Fund Holdings As of 6/30/2021 Massmutual Diversified Bond Fund Barings Prior to 5/1/2021, the Fund Name Was Massmutual Premier Diversified Bond Fund

Fund Holdings As of 6/30/2021 MassMutual Diversified Bond Fund Barings Prior to 5/1/2021, the Fund name was MassMutual Premier Diversified Bond Fund. Fund Position Market Security Name Weighting % Value Us 2yr Note (Cbt) Sep21 Xcbt 20210930 11.37 33,048,047 USTREAS T-Bill Auction Ave 3 Mon 10.01 29,103,952 Us Ultra Bond Cbt Sep21 Xcbt 20210921 5.04 14,644,250 Federal National Mortgage Association 3% 2.73 7,924,187 Federal National Mortgage Association 2% 1.60 4,650,312 United States Treasury Bonds 2.25% 1.31 3,803,738 BGME TRUST 2021-VR 2.99% 1.04 3,025,219 United States Treasury Bonds 3.5% 1.03 3,001,958 Us 5yr Note (Cbt) Sep21 Xcbt 20210930 0.93 2,715,453 Federal National Mortgage Association 2% 0.93 2,703,308 Government National Mortgage Association 3% 0.84 2,451,895 Government National Mortgage Association 3% 0.59 1,717,311 Government National Mortgage Association 3% 0.58 1,681,968 Fnma Pass-Thru I 3.5% 0.56 1,639,984 AFFIRM ASSET SECURITIZATION TRUST 3.49% 0.47 1,368,562 The Boeing Company 2.2% 0.45 1,318,636 Mizrahi Tefahot Bank Limited 3.08% 0.43 1,237,250 Federal Home Loan Mortgage Corporation 2% 0.41 1,185,679 Thrust Engine Leasing 2021 Dac / Thrust Engine Leasing 2021 Statutory Trust 0.40 1,174,967 Global Atlantic Finance Company 1% 0.40 1,173,452 Federal National Mortgage Association 3.5% 0.40 1,158,094 Equitable Holdings Inc 4.30% PRF PERPETUAL USD 25 - 1/1000th Int Ser C 0.40 1,154,136 HCA Inc. 3.5% 0.39 1,133,554 Enstar Finance Llc 5.75% 0.39 1,124,925 NMLT 2021-INV1 TRUST 2.71% 0.38 1,103,708 MHC COMMERCIAL MORTGAGE TRUST 2021-MHC 2.17% 0.38 1,101,376 NAVIENT PRIVATE EDUCATION REFI LOAN TRUST 3.33% 0.36 1,054,058 First Quantum Minerals Ltd. 6.88% 0.36 1,047,500 Government National Mortgage Association 3.5% 0.36 1,046,232 Federal Home Loan Mortgage Corporation 2.02% 0.35 1,009,282 DROP MORTGAGE TRUST 2.82% 0.34 1,002,367 United States Treasury Notes 0.12% 0.34 993,711 SANTANDER REVOLVING AUTO LOAN TRUST 2019-A 3.45% 0.34 993,390 BP Capital Markets plc 4.38% 0.33 963,825 Hercules Capital Inc 4.62% 0.33 960,112 NELNET STUDENT LOAN TRUST 1.54% 0.33 957,698 ONEMAIN DIRECT AUTO RECEIVABLES TRUST 4.19% 0.33 956,327 Government National Mortgage Association 3% 0.33 955,727 Madison Pk Fdg Xxviii 2018-28 1.78% 0.33 950,021 EQT Corporation 3.9% 0.32 921,275 CommScope Holdings Co Inc 8.25% 0.31 908,480 Sammons Financial Group Inc 3.35% 0.31 896,411 American International Group, Inc. 5.75% 0.30 866,051 Mplx Lp 6.88% 0.30 865,810 VASA TRUST 2021-VASA 2.17% 0.30 864,259 Antares Holdings LP 6% 0.29 855,598 AASET TRUST 6.41% 0.29 850,183 Store Master Funding LLC 4.49% 0.29 839,955 Markel Corporation 6% 0.28 821,362 AT&T Inc 3.55% 0.28 818,282 Sixth Street Specialty Lending Inc 3.88% 0.28 817,372 Federal National Mortgage Association 3.5% 0.28 809,209 Us Long Bond(Cbt) Sep21 Xcbt 20210921 0.28 803,750 Usq Rail I Llc / Usq Cda Rail Ulc 144A 2.98% 0.28 802,321 DEEPHAVEN RESIDENTIAL MORTGAGE TRUST 3.4% 0.28 800,216 CNO Financial Group, Inc. 5.25% 0.27 792,217 Jbs Usa Lux SA/Jbs Usa Food Company/Jbs Usa Finance Inc 5.5% 0.27 782,866 AmTrust Financial Services Inc. 6.12% 0.27 772,052 Athene Holding Ltd 6.15% 0.26 752,980 Trinity Rail Leasing 2019 Llc 3.1% 0.25 722,776 Sallie Mae Pfd 144A 1% 0.25 722,390 Kenan Advantage Group, Inc. 7.88% 0.25 718,920 NBK Tier I Financing Ltd. 4.5% 0.25 715,024 Fnma Pass-Thru I 4.5% 0.24 707,730 The Allstate Corporation 5.75% 0.24 696,800 Cars Db4 LP 4.95% 0.24 693,067 Fund Position Market Security Name Weighting % Value SLG OFFICE TRUST 2.85% 0.24 692,341 Adapthealth Llc 4.62% 0.23 673,312 Expedia Group Inc 2.95% 0.23 670,005 Jackson Park Trust 2019-Lic 3.35% 0.23 669,905 HUDSON YARDS MORTGAGE TRUST 3.56% 0.22 649,893 OAK STREET INVESTMENT GRADE NET LEASE FUND 3.26% 0.22 648,712 Patterson Uti Eneg 5.15% 0.22 644,285 Global Aircraft Leasing Co Ltd 6.5% 0.22 642,359 Sprint Capital Corporation 6.88% 0.22 641,250 Bpce Sa 5.7% 0.22 636,481 Credit Suisse AG 6.5% 0.22 635,168 BGC Partners, Inc. 4.38% 0.22 633,250 Weir Group 2.2% 0.22 627,826 First Republic Bank San Francisco 4.38% 0.22 625,572 BX COMMERCIAL MORTGAGE TRUST 2.07% 0.21 624,118 OAK STREET INVESTMENT GRADE NET LEASE FUND 3.39% 0.21 622,386 Ally Financial Inc FXDFR PRF PERPETUAL USD 1000 - Ser B 0.21 619,620 EDVESTINU PRIVATE EDUCATION LOAN ISSUE NO 3 LLC 3.5% 0.21 617,019 GOODGREEN TRUST 5.74% 0.21 610,422 GRACIE POINT INTERNATIONAL FUNDING 2.51% 0.21 610,000 MANHATTAN WEST 2020-1MW MORTGAGE TRUST 2.41% 0.21 609,178 Air Lease Corporation 4.65% 0.21 601,025 COLD STORAGE TRUST 2.84% 0.20 592,375 Brighthouse Financial Inc. 5.62% 0.20 590,679 H&E Equipment Services, Inc. 3.88% 0.20 590,400 Bank of Nova Scotia 4.65% 0.20 589,375 STARWOOD MORTGAGE RESIDENTIAL TRUST 2.49% 0.20 587,991 Dc Office Trust 2019-Mtc 3.17% 0.20 586,855 COLLEGE AVE STUDENT LOANS LLC 2.92% 0.20 585,954 Viterra Finance B.V. 3.2% 0.20 585,174 Service Properties Trust 4.95% 0.20 581,888 Ally Financial Inc. 4.7% 0.20 577,296 B.A.T. Capital Corporation 4.7% 0.20 576,577 Intesa Sanpaolo S.p.A. 4.2% 0.20 575,473 CAMB Commercial Mortgage Trust 2019-LIFE 2.22% 0.20 573,527 Federal Home Loan Mortgage Corporation 2% 0.20 568,321 Vale Overseas Limited 6.25% 0.19 565,927 GS Mortgage Securities Corp 3% 0.19 565,375 Taylor Morrison Communities Inc 5.75% 0.19 564,500 Alpek SAB de CV 3.25% 0.19 564,206 Ares Capital Corporation 4.2% 0.19 564,069 CIT Group, Inc. 5.25% 0.19 562,500 Wave 2019-1 LLC/LTD 4.58% 0.19 562,283 Csmc 2019-Ice4 1.67% 0.19 560,875 Las Vegas Sands Corp 3.9% 0.19 559,433 Navient Private Education Refi Loan 4.22% 0.19 559,250 Ares Capital Corporation 2.15% 0.19 557,131 Triton Container International Limited 2.05% 0.19 557,002 Brighthouse Financial Inc. 4.7% 0.19 555,936 JP MORGAN CHASE COMMERCIAL MORTGAGE SECURITIES TRUST 3.91% 0.19 555,531 Syngenta Finance N.V. 4.89% 0.19 554,218 HSBC Holdings plc 4.25% 0.19 550,958 Equitable Holdings Inc 4.95% 0.19 549,188 Goal Capital Funding Trust 0.6% 0.19 548,323 Energy Transfer LP 6.25% 0.19 542,738 Ally Financial Inc. 8% 0.19 541,563 DISH DBS Corporation 7.38% 0.19 538,065 NAVIENT STUDENT LOAN TRUST 1.44% 0.18 530,530 Huntington Bancshares Incorporated 5.7% 0.18 529,125 Aventura Mall Trust 4.25% 0.18 528,115 TransDigm, Inc. 6.25% 0.18 527,500 Icahn Enterprises, L.P. / Icahn Enterprises Finance Corporation 4.75% 0.18 522,500 Avolon Holdings Funding Limited 4.38% 0.18 522,045 Colombia (Republic of) 6.12% 0.18 520,736 Axis Specialty Finance LLC 4.9% 0.18 519,596 Lenovo Group Ltd 3.42% 0.18 518,146 Bm1105972 Swaption Dec32 2.94 Put 0.18 515,078 SoFi Professional Loan Program 2017-D LLC 3.61% 0.18 513,650 Planet Fitness Incorporation 3.86% 0.17 505,748 Government National Mortgage Association 3.5% 0.17 504,300 BX COMMERCIAL MORTGAGE TRUST 1.77% 0.17 504,157 Comcast Corporation 4.6% 0.17 502,441 Fund Position Market Security Name Weighting % Value Anchorage Cap Clo 11 Ltd / Llc 1.61% 0.17 500,360 Neuberger Berman CLO Ltd 1.85% 0.17 500,304 Host Hotels & Resorts, L.P. 3.5% 0.17 500,020 Rr 3 Ltd 1.27% 0.17 500,003 Par Pharmaceutical Inc 7.5% 0.17 498,980 Mexico (United Mexican States) 6.75% 0.17 498,285 Hughes Satellite Systems Corporation 6.62% 0.17 497,835 BAMLL COMMERCIAL MORTGAGE SECURITIES TRUST 4.02% 0.17 496,800 ANGEL OAK MORTGAGE TRUST 3.46% 0.17 492,154 VEREIT Operating Partnership L.P 3.1% 0.17 491,532 THL CREDIT WIND RIVER 2018-3 CLO LTD 1.89% 0.17 490,023 Avnet, Inc. 3% 0.17 488,776 Steele Creek Clo 2018-2 2.46% 0.17 485,110 BENCHMARK MORTGAGE TRUST 3.09% 0.17 482,300 Golub Cap Bdc Inc 3.38% 0.17 482,041 Horizon Aircraft Finance III Ltd/LLC 3.42% 0.17 480,681 Alaska Airlines Pass Through Trust 2020-1A 4.8% 0.16 479,650 Selective Insurance Group Inc PRF PERPETUAL USD - 1/1000 INT Ser B 0.16 478,720 Slam 2021-1 Limited / Slam 2021-1 Llc 2.43% 0.16 471,056 BANK 2020-BNK30 3.02% 0.16 469,220 Brookfield Finance Inc. 4.35% 0.16 468,010 Blue Owl Finance Llc 3.12% 0.16 467,918 ONEMAIN DIRECT AUTO RECEIVABLES TRUST 4.68% 0.16 467,318 Nordea Bank ABP 6.62% 0.16 464,486 Unum Group 4.12% 0.16 464,447 WELLS FARGO COMMERCIAL MORTGAGE TRUST 2.47% 0.16 462,153 Nordstrom, Inc. 4.25% 0.16 459,570 Tanger Properties Limited Partnership 3.75% 0.16 458,328 Mexico (United Mexican States) 4.75% 0.16 457,151 ORANGE LAKE TIMESHARE TRUST 4.93% 0.16 456,691 Taco Bell Funding Llc 4.97% 0.16 456,355 Dupont De Nemours Inc 5.32% 0.16 454,607 MetLife Capital Trust IV 7.88% 0.16 452,562 Kref 2018-FL1 Ltd / Kref 2018-FL1 LLC 2.63% 0.15 450,565 Elmwood Clo Ii Ltd / Llc 1.34% 0.15 450,405 Dell International L.L.C. and EMC Corporation 8.35% 0.15 449,864 Associated Banc-Corp 4.25% 0.15 449,403 Altice France S.A 5.12% 0.15 444,166 Brazos Higher Education Authority, Inc. 1.59% 0.15 443,343 EQT Corporation 7.62% 0.15 443,266 Trinity Rail Leasing 2010 LLC 4.62% 0.15 442,593 NELNET STUDENT LOAN TRUST 1.59% 0.15 440,991 Federal National Mortgage Association 3% 0.15 440,961 AbbVie Inc. 4.7% 0.15 437,305 MANHATTAN WEST 2020-1MW MORTGAGE TRUST 2.41% 0.15 437,166 Bausch Health Companies Inc 9.25% 0.15 435,080 BBCMS MORTGAGE TRUST 4.41% 0.15 433,775 LIFE 2021-BMR MORTGAGE TRUST 1.82% 0.15 433,350 Saudi Arabian Oil Company 4.25% 0.15 430,653 Federal Home Loan Mortgage Corporation 2.32% 0.15 428,398 BAMLL COMMERCIAL MORTGAGE SECURITIES TRUST 4.02% 0.15 427,747 Mylan II B.V. 5.25% 0.15 427,318 Spirit Realty LP 4% 0.15 427,005 General Motors Company 6.8% 0.15 422,164 Anheuser-Busch InBev Worldwide Inc. 8.2% 0.14 415,960 Prudential Financial, Inc. 5.7% 0.14 410,566 Axis Specialty Finance LLC 3.9% 0.14 409,623 AT&T Inc 3.5% 0.14 409,243 Wynn Resorts Finance Llc / Wynn Resorts Capital Corp 5.12% 0.14 403,010 Enstar Group Ltd 4.95% 0.14 402,243 Ares Finance Co LLC 4% 0.14 401,073 Thrust Engine Leasing 2021 Dac / Thrust Engine Leasing 2021 Statutory Trust 0.14 400,000 GB TRUST 2020-FLIX 2.42% 0.14 394,858 HCA Inc. 5.38% 0.14 394,800 Telefonica Emisiones S.A.U. 4.66% 0.14 393,683 Antares Holdings LP 8.5% 0.14 393,449 Equitrans Midstream Corporation 4.75% 0.13 391,406 Napier Park Global Capital 4.22% 0.13 391,101 Goldman Sachs Group, Inc. 5.15% 0.13 389,338 MARINER FINANCE ISSUANCE TRUST 3.83% 0.13 385,088 Global Atlantic Finance Company 3.12% 0.13 382,553 Davita Inc 4.62% 0.13 377,737 Fund Position Market Security Name Weighting % Value BUSINESS JET SECURITIES LLC 5.07% 0.13 375,972 Aircastle Limited 5% 0.13 374,366 Kestrel Aircraft Funding Ltd 4.25% 0.13 368,234 Bank 2019-BN17 C 4.67% 0.13 363,792 Amcor Flexibles North America Inc 2.69% 0.13 363,506 NiSource Inc. 4.8% 0.12 362,225 Blackbird Cap Air Ls 2016-1 4.21% 0.12 361,282 Ares Finance Co III LLC 4.12% 0.12 360,450 Dc Office Trust 2019-Mtc 3.17% 0.12 356,730 Enlink Midstream Partners LP 4.15% 0.12 355,048 Ford Motor Company 7.45% 0.12 355,050 Patterson Uti Eneg 3.95% 0.12 354,480 Energy Transfer LP 4.2% 0.12 353,588 Santos Finance Limited 3.65% 0.12 353,507 Avolon Holdings Funding Limited 5.12% 0.12 351,316 OXFORD FINANCE FUNDING LLC 3.1% 0.12 351,001 Occidental Petroleum Corporation 6.38% 0.12 350,250 Crestline Denali Clo Xiv. Ltd 1.45% 0.12 349,636 SLM Student Loan Trust 0.48% 0.12 348,355 Imperial Brands Finance Plc 3.88% 0.12 346,979 Spirit Realty LP 3.4% 0.12 346,740 Perenti Finance Pty Ltd 6.5% 0.12 341,667 Taco Bell Funding Llc 4.94% 0.12 341,078 BX COMMERCIAL MORTGAGE TRUST 1.87% 0.12 340,699 Labrador Aviation Finance Limited 4.3% 0.12 340,305 Willis Engine Securitization Trust 4.69% 0.12 340,158 Devon Energy Corporation 5% 0.12 339,705 Aercap Ireland Capital DAC 4.5% 0.12 337,726 DB Master Finance LLC 4.02% 0.12 337,712 Apollo Management Holdings, L.P. 4.95% 0.12 337,594 Citigroup Inc. 4.6% 0.12 335,966 Pacific Gas and Electric Company 3.75% 0.12 335,294 Aercap Ireland Capital DAC 6.5% 0.12 334,448 Nelnet Student Loan Trust 1.09% 0.11 334,076 Occidental Petroleum Corporation 5.88% 0.11 333,750 PIONEER AIRCRAFT FINANCE LTD 4.95% 0.11 329,808 Morgan Stanley 3.22% 0.11 328,931 Grupo Televisa S A B 6.62% 0.11 324,767 Imperial Brands Finance Plc 3.5% 0.11 321,293 Suttonpark Struct Stl 2017-1 4.19% 0.11 318,263 Kdac Aviation Finance Cayman Limited / Kdac Aviation Finance USA Llc 4.21% 0.11 318,202 B.A.T. Capital Corporation 2.26% 0.11 317,876 Amazon.com, Inc. 4.05% 0.11 317,394 Lazard Group LLC 4.5% 0.11 317,130 Ford Motor Credit Company LLC 3.09% 0.11 316,200 Sixth Street Specialty Lending Inc 2.5% 0.11 314,351 Anheuser-Busch InBev Worldwide Inc. 4.6% 0.11 311,884 JPMBB Commercial Mortgage Securities Trust 2014-C21 4.8% 0.11 311,779 Nov Inc 3.95% 0.11 310,850 Cpts 2019-Cpt Mtg Trust 3.1% 0.11 310,488 Bank of America Corporation 2.59% 0.11 309,625 Mach 1 Cayman Ltd/Mach 1 Usa LLC 4.34% 0.11 309,538 GCI FUNDING I LLC 2.38% 0.11 308,920 DATABANK ISSUER LLC 2.65% 0.10 303,470 Walt Disney Company 6.65% 0.10 301,407 OHA Credit Partners XI Ltd / OHA Credit Partners XI LLC 2.34% 0.10 300,060 AGL CLO 7 LTD 1.98% 0.10 300,000 Kimco Realty Corporation 4.45% 0.10 299,714 Madison Park Xxxii 2.19% 0.10 299,434 El Puerto de Liverpool S.A.B. de C.V. 3.95% 0.10 299,250 Slam 2021-1 Limited / Slam 2021-1 Llc 3.42% 0.10 296,580 Ford Motor Credit Company LLC 4.14% 0.10 295,331 Aircastle Limited 4.4% 0.10 294,347 Energy Transfer LP 6.12% 0.10 293,266 BBCMS MORTGAGE TRUST 4.41% 0.10 291,038 Federal National Mortgage Association 5% 0.10 289,906 Enlink Midstream Partners LP 6% 0.10 288,750 Nov Inc 3.6% 0.10 287,504 Glencore Funding LLC 3.88% 0.10 285,948 COLLEGE AVE STUDENT LOANS LLC 4.12% 0.10 284,927 STORE Capital Corp 4.62% 0.10 284,593 Banco General S.A. 4.12% 0.10 284,378 Fund Position Market Security Name Weighting % Value Plains All American Pipeline L.P./PAA Finance Corp. 3.8% 0.10 283,727 General Motors Company 5.15% 0.10 280,670 Harbor Park Clo Ltd / Llc 1.89% 0.10 280,028 Occidental Petroleum Corporation 6.6% 0.10 279,344 General Motors Company 5.2% 0.10 278,272 Spectrum Management Holding Company LLC 4.5% 0.10 278,138 SIERRA TIMESHARE RECEIVABLES FUNDING LLC 4.75% 0.09 276,129 GE Capital International Funding Company Unlimited Company 4.42% 0.09 276,061 Plains All American Pipeline L.P./PAA Finance Corp. 4.7% 0.09 275,838 SLM Student Loan Trust 0.47% 0.09 274,307 Leidos Inc 5.5% 0.09 273,460 Falcon 2019-1 Aerospace Limited / Falcon 2019-1 Aerospace USA LLC 6.66% 0.09 273,423 XLIT Ltd. 5.5% 0.09 271,697 Aviation Capital Group LLC 1.95% 0.09 270,184 Halliburton Company 5% 0.09 268,212 Energy Transfer LP 6.75% 0.09 267,756 BBCMS MORTGAGE TRUST 4.41% 0.09 266,675 ViacomCBS Inc 4.95% 0.09 265,456 Iron Mountain Incorporated 5.25% 0.09 264,645 ANGEL OAK MORTGAGE TRUST I LLC 4.07% 0.09 263,755 KNDL 2019-KNSQ Mortgage Trust 1.87% 0.09 263,083 Park Aerospace Holdings Limited 4.5% 0.09 262,766 CCO Holdings, LLC/ CCO Holdings Capital Corp. 5% 0.09 262,310 TransDigm, Inc. 5.5% 0.09 260,625 Bank of America Corporation 6.11% 0.09 260,316 Bristol-Myers Squibb Company 4.35% 0.09 259,161 HORIZON AIRCRAFT FINANCE II LTD 4.7% 0.09 256,933 Store Master Funding I 4.74% 0.09 255,235 Cars Db4 LP 4.17% 0.09 254,453 SLM Student Loan Trust 0.38% 0.09 251,947 KAYNE CLO 4 LTD 2.28% 0.09 251,172 ICG US CLO 2019-1, Ltd. 1.56% 0.09 250,720 GoldenTree Loan Management US CLO 5, Ltd. 2.89% 0.09 250,617 Elmwood Clo III Ltd / Llc 1.55% 0.09 250,552 CANYON CLO LTD 2.93% 0.09 250,368 Ticp Clo Xiv Ltd / Llc 2.09% 0.09 250,348 OHA CREDIT FUNDING 4 LTD 1.55% 0.09 250,339 Benefit Street Partners CLO XVIII Ltd/LLC 2.13% 0.09 250,221 Anchorage Cap Clo 11 Ltd / Llc 3.22% 0.09 250,072 Avery Point VII Clo Limited/Corp 3.78% 0.09 250,064 CIFC Funding 1.37% 0.09 250,068 HPS Loan Management 15-2019 LTD / LLC 2.88% 0.09 250,044 ANCHORAGE CAPITAL CLO 15 LTD 2.04% 0.09 250,000 Atrium Xv /Atrium Xv Llc 1.92% 0.09 250,016 Crestline Denali Clo Xiv. Ltd 1.97% 0.09 250,007 522 Fdg Clo 2018-3 A Ltd / 522 Fdg C FRN 2.18% 0.09 250,000 Kkr Clo 26 LTD/LLC 2.23% 0.09 250,018 Rockford Tower Clo 2018-1 Ltd/ Llc 1.88% 0.09 250,006 Discovery Communications, LLC 4% 0.09 248,931 Aimco CLO Series 2018-A/LLC 1.59% 0.09 248,718 Bacardi Limited 5.15% 0.09 247,719 Wendys Funding Llc 2.37% 0.09 247,211 JPMorgan Chase & Co. 2.96% 0.09 247,122 Broadcom Inc 3.5% 0.08 246,295 CSC Holdings, LLC 4.62% 0.08 245,278 Brookfield Finance Inc. 4.85% 0.08 245,125 ENEL Finance International N.V. 6% 0.08 244,945 Marriott International, Inc. 2.85% 0.08 243,992 Navient Private Education Loan Trust 2015-c 1.29% 0.08 243,205 Marathon Petroleum Company 6.5% 0.08 243,087 Radiate Holdco LLC/Radiate Finance Inc 6.5% 0.08 242,654 GB TRUST 2020-FLIX 1.67% 0.08 242,227 Goldman Sachs Group, Inc. 6.75% 0.08 240,277 General Motors Company 4.2% 0.08 239,705 RENEW 3.21% 0.08 239,437 Cenovus Energy Inc 6.75% 0.08 237,717 Mattamy Group Corp 5.25% 0.08 237,215 CF Industries, Inc. 4.95% 0.08 236,418 Cigna Corporation 4.8% 0.08 234,760 Spirit Realty LP 3.2% 0.08 234,074 CITIGROUP COMMERCIAL MORTGAGE TRUST 3.5% 0.08 233,463 TransDigm, Inc. 6.38% 0.08 233,093 Fund Position Market Security Name Weighting % Value Bausch Health Companies Inc 5.25% 0.08 232,500 COLLEGE AVE STUDENT LOANS LLC 4.46% 0.08 230,685 CMS Energy Corporation 4.88% 0.08 230,107 Bank of America Corporation 4.27% 0.08 229,950 Plains All American Pipeline L.P./PAA Finance Corp. 6.65% 0.08 229,313 Firstenergy Transmission Llc 4.55% 0.08 228,571 Lazard Group LLC 4.38% 0.08 227,503 Avis Budget Rental Car Funding AESOP LLC 4.53% 0.08 225,590 MOFT TRUST 2020-ABC 3.59% 0.08 225,394 JPMorgan Chase & Co. 4.95% 0.08 225,337 BAE Systems plc 3% 0.08 225,202 The Cleveland Electric Illuminating Company 5.95% 0.08 222,788 ZAXBYS FUNDING LLC 3.24% 0.08 221,733 ITC Holdings Corporation 2.95% 0.08 221,245 Glencore Funding LLC 4.62% 0.08 219,236 EDLINC STUDENT LOAN FUNDING TRUST 2.1% 0.08 218,916 Barclays PLC 4.38% 0.08 218,294 CVS Health Corp 5.93% 0.08 218,078 OneMain Financial Corporation 4% 0.07 217,730 HSBC Holdings plc 4.25% 0.07 216,637 Goodgreen 2016-1 Trus 3.23% 0.07 216,439 MOFT TRUST 2020-ABC 3.36% 0.07 216,183 Oracle Corporation 3.6% 0.07 216,115 Prudential Financial, Inc. 5.62% 0.07 214,657 Sprint Capital Corporation 8.75% 0.07 214,320 Alliance Data Systems Corporation 7% 0.07 214,250 Lazard Group LLC 3.62% 0.07 213,862 Willis Engine Structured Trust Iv 4.75% 0.07 213,372 Empresa Nacional de Telecomunicaciones S.A. 4.88% 0.07 213,352 Aircastle Limited 4.12% 0.07 213,263 SVB Financial Group 4.1% 0.07 213,018 Molson Coors Beverage Company 4.2% 0.07 212,972 Ovintiv Inc 6.5% 0.07 212,736 Horizon Aircraft Finance I Ltd / Horizon Aircraft Finance I Llc 5.27% 0.07 211,463 STORE MASTER FUNDING I-VII 2.86% 0.07 211,243 Pnmac Gsmr Issuer Trust 2.94% 0.07 210,390 Verizon Communications Inc. 2.99% 0.07 209,823 Teachers Insurance and Annuity Assoc. 4.27% 0.07 209,367 ViacomCBS Inc 4.2% 0.07 207,983 Smithfield Foods, Inc. 3% 0.07 207,916 CSC Holdings, LLC 5.75% 0.07 207,750 MKT 2020-525M MORTGAGE TRUST 3.04% 0.07 207,246 Goldman Sachs Group, Inc. 5.95% 0.07 207,011 Enterprise Products Operating LP 5.38% 0.07 206,411 Standard Industries Inc. 4.38% 0.07 206,250 Vale Overseas Limited 6.88% 0.07 205,606 Icahn Enterprises, L.P. / Icahn Enterprises Finance Corporation 6.75% 0.07 204,286 Argent Secs Inc 0.99% 0.07 201,929 Occidental Petroleum Corporation 6.95% 0.07 199,387 Smb Private Education Loan Trust 2019-A 4% 0.07 197,879 Bank of America Corporation 7.75% 0.07 197,810 Netflix, Inc. 4.88% 0.07 197,424 Nelnet Student Loan Trust 1.09% 0.07 196,576 Golub Cap Bdc Inc 2.5% 0.07 196,460 CASTLELAKE AIRCRAFT SECURITIZATION TRUST 3.97% 0.07 193,500 Glencore Finance (Canada) Limited 5.55% 0.07 192,417 Occidental Petroleum Corporation 2.9% 0.07 191,208 CSX Corporation 4.75% 0.06 187,692 Pacific Gas and Electric Company 4.3% 0.06 187,244 Teck Resources Limited 6.25% 0.06 187,018 Petroleos Mexicanos 5.35% 0.06 186,856 Sofi Professional Loan Program 4.21% 0.06 186,396 Reynolds American Inc. 5.85% 0.06 183,779 Blackrock Tcp Capital Corp 3.9% 0.06 180,792 Avolon Holdings Funding Limited 3.25% 0.06 180,514 COLLEGE AVE STUDENT LOANS LLC 5.5% 0.06 180,117 Federal National Mortgage Association 3% 0.06 179,819 B.A.T. Capital Corporation 4.76% 0.06 178,913 Sofi Professional Loan Program 2017-A Llc 4.43% 0.06 177,829 T-Mobile USA, Inc. 5.38% 0.06 175,728 HSBC Holdings plc 6.5% 0.06 174,004 LUNAR AIRCRAFT LIMITED 6.41% 0.06 171,645 Fund Position Market Security Name Weighting % Value Centene Corporation 4.62% 0.06 168,265 Federal National Mortgage Association 2.39% 0.06 167,606 KKR Group Finance Co VIII LLC 3.5% 0.06 167,542 Antero Resources Corporation 7.62% 0.06 166,500 Berkshire Hathaway Energy Company 5.95% 0.06 165,892 Molson Coors Beverage Company 5% 0.06 165,779 Athene Holding Ltd 4.12% 0.06 160,855 Spectrum Management Holding Company LLC 6.75% 0.06 160,215 Qwest Corporation 6.75% 0.05 159,705 Enlink Midstream Partners LP 4.85% 0.05 159,390 CF Industries, Inc. 5.38% 0.05 158,618 Standard Industries Inc. 4.75% 0.05 158,052 Avolon Holdings Funding Limited 4.25% 0.05 157,198 Cars Db4 LP 4.18% 0.05 154,853 Leidos Inc 4.38% 0.05 153,297 Dell International L.L.C. and EMC Corporation 8.1% 0.05 153,048 Avolon Holdings Funding Limited 5.5% 0.05 153,008 Charter Communications Operating, LLC/Charter Communications Operating Capi 0.05 152,850 Verizon Communications Inc. 2.88% 0.05 152,803 Bamll Commercial Mortgage Securitie 1.42% 0.05 149,815 USF&G Capital I 8.5% 0.05 149,598 CVS Health Corp 5.05% 0.05 149,417 J.P. MORGAN MORTGAGE TRUST 3.5% 0.05 149,427 Elwood Energy LLC 8.16% 0.05 148,430 Nelnet Student Loan Trust 1.09% 0.05 147,476 Navient Private Education Loan Trust 2018 4.44% 0.05 146,621 JG Wentworh XLIII LLC 2019-1 4.51% 0.05 146,489 Citigroup Inc. 5.88% 0.05 143,694 Wells Fargo & Company 5.61% 0.05 143,433 WELLS FARGO COMMERCIAL MORTGAGE TRUST 3.85% 0.05 140,326 CMS Energy Corporation 4.7% 0.05 140,146 Nelnet Student Loan Trust 1.19% 0.05 139,971 GOODGREEN 3.86% 0.05 139,296 Virginia Electric and Power Company 6% 0.05 138,428 SLM Student Loan Trust 0.38% 0.05 136,673 Fnma Pass-Thru I 3.5% 0.05 135,634 BUSINESS JET SECURITIES 2020-1 LLC 2.98% 0.05 134,488 Indianapolis Power & Light Company 4.05% 0.04 127,474 Tourmaline Oil Corp 0.04 125,989 Federal National Mortgage Association 3% 0.04 124,563 Federal National Mortgage Association 5% 0.04 122,952 Sunnova Helios Ii Issuer Llc 4.87% 0.04 121,196 Hero Funding 3.19% 0.04 120,872 Access Funding Llc 1.59% 0.04 120,842 American International Group, Inc. 4.75% 0.04 120,820 Goodgreen Trust 2017-1 3.74% 0.04 120,837 Entergy Louisiana, LLC 4.95% 0.04 120,644 LUNAR AIRCRAFT LIMITED 4.34% 0.04 120,200 Valley National Bancorp 5.12% 0.04 119,808 Federal National Mortgage Association 3.5% 0.04 119,314 Spirit Realty LP 2.7% 0.04 119,099 Commercial Mortgage Trust 2015-Ccre23 4.43% 0.04 118,282 SLM Student Loan Trust 0.39% 0.04 115,453 VEREIT Operating Partnership L.P 3.4% 0.04 114,281 Teck Resources Limited 5.2% 0.04 114,219 Citigroup Inc. 6% 0.04 113,034 Bausch Health Companies Inc 6.12% 0.04 112,750 Ventas Realty L.P./Ventas Capital Corp. 5.7% 0.04 112,746 General Electric Company 6.88% 0.04 108,018 Nelnet Student Loan Trust 0.4% 0.04 103,428 SIERRA TIMESHARE RECEIVABLES FUNDING LLC 3.51% 0.04 101,913 NELNET STUDENT LOAN TRUST 1.59% 0.03 100,251 Nelnet Student Ln Tr 2014-2 1.59% 0.03 99,637 Wf-Rbs Com Mg Tst 5.05% 0.03 98,214 SLM Student Loan Trust 0.65% 0.03 94,643 Hero Funding 2016-4 4.29% 0.03 94,510 Hero Fdg 2016-3 3.08% 0.03 94,075 Cars Db4 LP 3.66% 0.03 92,213 Leidos Inc 2.3% 0.03 87,806 Elara Hgv Timeshare Issuer 2.73% 0.03 82,211 Live Nation Entertainment, Inc. 5.62% 0.03 80,186 United Air Lines, Inc. 4.6% 0.03 80,108 Fund Position Market Security Name Weighting % Value Credit Suisse AG 2.5% 0.03 76,079 ERAC USA Finance Company 7% 0.03 74,647 WEA Finance LLC 2.88% 0.03 74,351 SOUTH CAROLINA STUDENT LN CORP 1.59% 0.03 73,777 Park Aerospace Holdings Limited 5.25% 0.03 73,244 Government National Mortgage Association 6.5% 0.02 72,500 J.G. WENTWORTH XXXIV LLC 3.26% 0.02 70,769 Petroleos Mexicanos 6.5% 0.02 68,538 Bm1106244 Swaption Dec 32 2.44 Call 0.02 66,272 Bre Grand Islander Timeshare 2.94% 0.02 66,128 Spirit Realty LP 4.45% 0.02 65,826 Discovery Communications, LLC 4.65% 0.02 64,828 Connecticut Avenue Securities Trust 2019-R04 2.19% 0.02 55,346 Bre Grand Islander Timeshare 3.24% 0.02 54,451 Commonbond St Ln Tr 2017-A-Gs 5.28% 0.02 53,107 Goldman Sachs Group, Inc. 6.25% 0.02 52,019 BWAY Holding Company 5.5% 0.02 49,490 Elara Hgv Timeshare Issuer 3.22% 0.02 48,943 Federal National Mortgage Association 5% 0.02 48,337 Hero Funding 2017-2 3.28% 0.02 47,676 Pemex Project Funding Master Trust 6.62% 0.02 47,182 HSBC Holdings plc 4.38% 0.01 42,910 Mosaic Solar Loans Llc 2017-1 4.45% 0.01 41,969 Credit Suisse Seas 0.33% 0.01 39,644 Westgate Resorts Llc 2017-1 3.05% 0.01 39,527 Mattamy Group Corp 4.62% 0.01 35,752 Fulton Financial Corporation 3.6% 0.01 35,675 CVS Health Corp 6.12% 0.01 34,899 Petroleos Mexicanos 6.38% 0.01 30,100 Nelnet Private Ed Ln Tr 2016-A 1.84% 0.01 29,491 Park Pl Secs Inc 0.81% 0.01 25,107 Fci Fdg 2019-1 Llc 3.63% 0.01 23,709 Vistana Signature Experiences 2.74% 0.01 23,491 CVS Health Corp 7.51% 0.01 16,767 Government National Mortgage Association 6.5% 0.01 14,658 General Electric Company 4.12% 0.00 13,852 Banc America Mortgage Securitites Inc 3.06% 0.00 9,731 Federal Home Loan Mortgage Corporation 7% 0.00 6,410 Government National Mortgage Association 8% 0.00 4,063 Hercules Tr Ii ([Wts/Rts]) 0% 0.00 4,011 Government National Mortgage Association 6.5% 0.00 911 Government National Mortgage Association 7% 0.00 792 Government National Mortgage Association 7% 0.00 709 Government National Mortgage Association 6.5% 0.00 610 Government National Mortgage Association 7% 0.00 606 Keycorp Student Loan Trust 1.05% 0.00 490 Government National Mortgage Association 8% 0.00 446 Government National Mortgage Association 7% 0.00 380 NELNET PRIVATE ED LN TR 2016-A 3.6% 0.01 40,625 NELNET PRIVATE ED LN TR 2016-A 1.86% 0.01 36,246 Fulton Financial Corporation 3.6% 0.01 35,979 Mattamy Group Corp 4.62% 0.01 34,765 CVS Health Corp 6.12% 0.01 32,524 Fci Fdg 2019-1 Llc 3.63% 0.01 30,429 Park Pl Secs Inc 0.83% 0.01 29,152 Petroleos Mexicanos 6.38% 0.01 29,050 Vistana Signature Experiences 2.74% 0.01 26,667 VEREIT Operating Partnership L.P 2.85% 0.01 19,352 CVS Health Corp 7.51% 0.01 16,809 Government National Mortgage Association 6.5% 0.01 14,864 General Electric Company 4.12% 0.00 12,875 Banc America Mortgage Securitites Inc 3.07% 0.00 11,368 Federal Home Loan Mortgage Corporation 7% 0.00 7,010 Government National Mortgage Association 8% 0.00 4,424 Hercules Tr Ii ([Wts/Rts]) 0% 0.00 4,029 Keycorp Student Loan Trust 1.09% 0.00 2,892 Government National Mortgage Association 6.5% 0.00 949 Government National Mortgage Association 7% 0.00 820 Government National Mortgage Association 7% 0.00 731 Government National Mortgage Association 7% 0.00 663 Government National Mortgage Association 6.5% 0.00 631 Government National Mortgage Association 8% 0.00 474 Fund Position Market Security Name Weighting % Value Government National Mortgage Association 7% 0.00 399

Investors should carefully consider investment objectives, risks, charges and expenses. This and other important information is contained in the fund prospectuses and summary prospectuses, which can be obtained from www.MassMutual.com/mmfunds/ and should be read carefully before investing.

The mention of individual stocks and other securities in this document does not constitute investment advice.

© 2021 Massachusetts Mutual Life Insurance Company (MassMutual®), Springfield, MA. All rights reserved. www.MassMutual.com Principal Underwriter: MML Distributors, LLC. (MMLD), 1295 State St., Springfield, MA 01111. Member FINRA and SIPC (www.FINRA.org and www.SIPC.org). Investment advisory services provided to the Funds by MML Investment Advisers, LLC (MML Investment Advisers). MMLD and MML Investment Advisers are subsidiaries of Massachusetts Mutual Life Insurance Company (MassMutual), Springfield, MA 01111-0001.

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