Common Stocks — 98.7% Green Century Msci International

GREEN CENTURY MSCI INTERNATIONAL INDEX FUND PORTFOLIO OF INVESTMENTS April 30, 2021 (unaudited)

COMMON STOCKS — 98.7% SHARES VALUE SHARES VALUE Japan — (continued) Panasonic Corporation ...... 64,300 $ 755,011 Japan — 22.0% Rakuten,Inc...... 25,000 317,804 AeonCompany,Ltd...... 19,200 $ 523,947 Resona Holdings, Inc...... 62,200 256,055 AjinomotoCompany,Inc...... 13,600 271,979 SCSKCorporation...... 1,600 92,851 AsahiKaseiCorporation...... 36,300 382,402 Sekisui Chemical Company, Ltd. . 10,400 181,328 AstellasPharma,Inc...... 54,500 820,283 Sekisui House Ltd...... 18,000 364,547 DaifukuCo.,Ltd...... 3,000 296,527 SG Holdings Company Ltd...... 9,400 213,466 Dai-ichi Life Holdings, Inc...... 31,700 572,409 Shimizu Corporation...... 16,300 133,564 Daiichi Sankyo Company Ltd. . . . 49,800 1,271,913 Shionogi & Company Ltd...... 7,700 405,938 Daikin Industries Ltd...... 7,300 1,472,518 Sompo Holdings, Inc...... 9,800 364,218 Daiwa House Industry Company, SonyCorporation...... 36,900 3,689,223 Ltd...... 16,500 489,262 Stanley Electric Company Ltd. . . . 3,800 108,780 DensoCorporation...... 12,600 814,628 Sumitomo Chemical Company, EisaiCompany,Ltd...... 7,300 476,120 Ltd...... 43,800 223,564 FujitsuLtd...... 5,700 905,491 Sumitomo Metal Mining Hankyu Hanshin Holdings, Inc.. . 6,700 211,312 Company,Ltd...... 6,800 287,901 HitachiMetalsLtd.(a)...... 6,300 122,145 Sumitomo Mitsui Trust Holdings, HondaMotorCompany,Ltd..... 47,700 1,422,406 KansaiPaintCompanyLtd...... 5,200 130,931 Inc...... 9,800 334,010 KaoCorp...... 14,000 900,110 Suntory Beverage & Food Ltd. . . . 4,200 141,772 KDDICorp...... 47,200 1,426,830 Sysmex Corporation ...... 4,900 489,429 KeioCorporation...... 3,000 195,294 Teijin Ltd...... 5,100 83,969 KikkomanCorporation...... 4,300 264,253 Tokyo Century Corporation...... 1,200 74,186 KobeBussanCompanyLtd...... 3,700 98,843 Tokyo Electron Ltd...... 4,400 1,998,427 KomatsuLtd...... 25,700 755,699 TokyuCorp...... 14,300 183,909 KyushuRailwayCompany...... 4,200 94,287 Toray Industries, Inc...... 40,600 252,460 MitsuiChemicals,Inc...... 5,400 169,992 West Japan Railway Company . . . 4,800 265,372 MiuraCompanyLtd...... 2,600 136,395 Yamaha Corporation ...... 3,900 212,845 MS&AD Insurance Group Yaskawa Electric Corporation . . . . 6,900 318,055 Yokogawa Electric Corporation. . . 6,600 119,810 Holdings,Inc...... 13,200 374,492 Murata Manufacturing Company, 31,828,804 Ltd...... 16,800 1,335,725 NGKInsulatorsLtd...... 7,600 138,901 Germany — 12.2% NintendoCompany,Ltd...... 3,300 1,893,056 adidas AG (a) ...... 5,574 1,721,536 Nippon Paint Holdings Allianz SE ...... 12,063 3,131,661 CompanyLtd...... 21,700 309,959 Beiersdorf AG...... 2,939 331,716 Nippon Yusen KK ...... 4,500 176,865 DeutscheBoerseAG...... 5,564 958,788 Nitto Denko Corporation ...... 4,600 380,670 Henkel AG & Company KGaA. . . 3,091 307,089 Nomura Real Estate Master Henkel AG & Company Fund, Inc...... 123 194,347 KGaA (b) ...... 5,180 595,006 Nomura Research Institute Ltd. . . 9,400 288,477 Merck KGaA...... 3,797 667,053 Odakyu Electric Railway Muenchener CompanyLtd...... 8,600 232,922 Rueckversicherungs-Gesellschaft OmronCorporation...... 5,400 408,920 AG in Muenchen ...... 4,099 1,184,304

1 GREEN CENTURY MSCI INTERNATIONAL INDEX FUND PORTFOLIO OF INVESTMENTS April 30, 2021 (unaudited) continued

SHARES VALUE SHARES VALUE

Germany — (continued) Switzerland — (continued) SAPSE...... 30,536 $ 4,275,539 Swisscom AG ...... 753 $ 408,818 SartoriusAG(b)...... 1,033 582,822 12,585,348 SiemensAG...... 22,374 3,732,647 Telefonica Deutschland Holding AG...... 30,333 88,151 United Kingdom — 8.5% Associated British Foods PLC (a) . 10,411 332,179 17,576,312 Barratt Developments PLC ...... 30,110 321,035 Berkeley Group Holdings PLC . . . 3,667 234,349 Canada — 10.6% British Land Company PLC AgnicoEagleMinesLtd...... 7,101 443,784 (The) ...... 26,358 188,881 BankofMontreal...... 18,841 1,778,184 Burberry Group PLC (a)...... 11,790 335,576 BankofNovaScotia(The)...... 35,522 2,261,883 Coca-Cola European Partners BlackBerry Ltd. (a)...... 15,347 135,716 PLC...... 5,984 340,011 Canadian National Railway Compass Group PLC (a) ...... 52,259 1,136,837 Company...... 20,782 2,237,294 Croda International PLC ...... 4,077 380,867 CGI,Inc.(a)...... 6,686 591,525 InformaPLC(a)...... 43,670 339,445 FirstServiceCorporation...... 1,135 184,359 InterContinental Hotels Group GildanActivewear,Inc...... 5,696 197,683 PLC (a)...... 5,050 358,862 IntactFinancialCorporation..... 4,158 552,664 J Sainsbury PLC ...... 51,757 169,995 Magna International, Inc...... 8,358 789,291 JD Sports Fashion PLC (a) ...... 15,034 190,696 Metro,Inc...... 7,270 333,100 Kingfisher PLC (a)...... 61,544 303,819 OpenTextCorporation...... 7,901 372,039 Mondi PLC ...... 14,175 384,755 RitchieBrosAuctioneers,Inc..... 3,147 200,182 RELX PLC ...... 56,534 1,466,777 Rogers Communications, Inc., Schroders PLC ...... 3,608 179,760 ClassB...... 10,473 515,811 Segro PLC ...... 34,707 482,159 Shopify,Inc.(a)...... 3,218 3,798,402 Taylor Wimpey PLC ...... 106,362 263,841 Wheaton Precious Metals Unilever PLC ...... 76,900 4,504,496 Corporation...... 13,212 548,064 WhitbreadPLC(a)...... 5,856 262,539 WSPGlobal,Inc...... 3,307 343,372 Wm Morrison Supermarkets 15,283,353 PLC...... 69,216 166,229 12,343,108 Switzerland — 8.7% Alcon,Inc.(a)...... 14,391 1,080,860 France — 8.2% Coca-ColaHBCAG...... 5,844 201,976 Accor SA (a) ...... 5,334 214,773 GivaudanSA...... 270 1,131,285 Amundi SA (a)(c)...... 1,755 156,398 Kuehne + Nagel International AXA SA ...... 56,576 1,597,942 AG...... 1,574 470,592 Carrefour SA...... 17,912 346,892 Lonza Group AG (a) ...... 2,178 1,384,510 Cie Generale des Etablissements RocheHoldingAG...... 20,426 6,661,694 Michelin SCA ...... 4,957 717,258 SonovaHoldingAG(a)...... 1,597 472,846 CNPAssurances...... 5,037 88,098 SwissReAG...... 8,324 772,767 Danone SA ...... 18,086 1,276,642 Gecina SA ...... 1,371 200,677 Getlink SE (a) ...... 12,857 204,516

2 GREEN CENTURY MSCI INTERNATIONAL INDEX FUND PORTFOLIO OF INVESTMENTS April 30, 2021 (unaudited) continued

SHARES VALUE SHARES VALUE

France — (continued) Australia — (continued) L’OrealSA...... 7,364 $ 3,015,246 SEEKLtd.(a)...... 9,717 $ 231,579 NatixisSA(a)...... 27,102 132,336 Stockland...... 70,066 252,499 OrangeSA...... 58,182 724,533 Sydney Airport (a)...... 39,666 188,637 SchneiderElectricSE...... 15,737 2,510,852 Transurban Group ...... 79,642 868,448 SEBSA...... 730 132,940 6,215,233 Unibail-Rodamco-Westfield (a) . . . 4,039 332,608 ValeoSA...... 6,762 219,122 Sweden — 2.3% 11,870,833 BolidenAB...... 8,004 311,334 ElectroluxAB...... 6,618 185,744 Netherlands — 6.9% Essity AB, Class B ...... 17,890 583,891 Akzo Nobel NV ...... 5,677 681,611 Husqvarna AB B Shares ...... 12,036 167,607 ASMLHoldingNV...... 11,783 7,648,599 ICA Gruppen AB ...... 2,943 135,651 KoninklijkeDSMNV...... 5,052 905,796 Skandinaviska Enskilda Banken WoltersKluwerNV...... 7,845 709,566 AB,ClassA...... 47,383 607,122 9,945,572 Svenska Cellulosa AB SCA, Class B ...... 17,677 309,547 Svenska Handelsbanken AB A Denmark — 4.6% Shares...... 45,318 524,791 ColoplastA/S,ClassB...... 3,453 571,953 Tele2ABBShares...... 14,965 193,291 GNStoreNordA/S...... 3,726 336,038 Telia Company AB...... 71,432 296,000 H Lundbeck A/S ...... 1,973 60,755 Novo Nordisk A/S, Class B . . . . . 50,361 3,715,004 3,314,978 Novozymes A/S ...... 6,045 428,727 PandoraA/S...... 2,920 330,687 Hong Kong — 2.3% VestasWindSystemsA/S...... 28,855 1,204,507 BOC Hong Kong Holdings Ltd. . . 107,500 377,994 6,647,671 HangSengBankLtd...... 22,117 432,983 Hong Kong Exchanges & ClearingLtd...... 35,220 2,124,141 Australia — 4.3% MTR Corporation Ltd...... 45,167 251,553 ASXLtd...... 5,639 316,852 Swire Properties Ltd...... 35,000 104,445 BlueScopeSteelLtd...... 14,653 242,240 BramblesLtd...... 43,033 344,738 3,291,116 Coca-ColaAmatilLtd.(d)...... 14,610 149,690 CochlearLtd...... 1,915 327,812 Spain — 1.5% ColesGroupLtd...... 38,849 487,859 Banco Bilbao Vizcaya Argentaria Dexus...... 31,718 248,982 SA (a) ...... 194,445 1,088,780 EvolutionMiningLtd...... 47,184 167,072 Industria de Diseno Textil SA . . . . 31,928 1,135,985 GoodmanGroup...... 48,804 711,694 GPTGroup(The)...... 57,281 203,879 2,224,765 Insurance Australia Group Ltd. . . 71,155 268,099 LendleaseGroup...... 20,486 200,186 Ireland — 1.2% MirvacGroup...... 114,628 237,512 CRHPLC(e)...... 51 2,414 NewcrestMiningLtd...... 23,762 485,654 CRHPLC(f)...... 22,981 1,084,306 RamsayHealthCareLtd...... 5,436 281,801

3 GREEN CENTURY MSCI INTERNATIONAL INDEX FUND PORTFOLIO OF INVESTMENTS April 30, 2021 (unaudited) continued

SHARES VALUE SHARES VALUE

Ireland — (continued) New Zealand — (continued) KerryGroupPLC,ClassA ...... 4,628 $ 599,871 Ryman Healthcare Ltd...... 11,633 $ 117,612 1,686,591 889,887

Singapore — 1.2% Finland — 0.3% CapitaLandLtd...... 77,711 216,625 Elisa Oyj ...... 4,133 234,282 CityDevelopmentsLtd...... 12,800 75,715 OrionOyj,ClassB...... 3,110 137,703 DBSGroupHoldingsLtd...... 52,695 1,180,906 371,985 SingaporeExchangeLtd...... 23,500 184,085 1,657,331 Austria — 0.2% Erste Group Bank AG (a)...... 8,313 295,453 Italy — 0.9% IntesaSanpaoloSpA(a)...... 483,602 1,348,190 Portugal — 0.1% Jeronimo Martins SGPS SA ...... 7,440 135,866 Jersey — 0.9% Total Common Stocks FergusonPLC...... 6,616 834,436 (Cost $112,473,891) ...... 142,660,338 WPPPLC...... 36,204 488,096 1,322,532 SHORT-TERM INVESTMENTS — 0.5% Belgium — 0.6% UMB Money Market Fiduciary KBCGroupNV(a)...... 7,278 564,672 Account, 0.01% (g) UmicoreSA...... 5,755 349,677 (Cost $736,274) ...... 736,274 914,349 Total Short-term Investments (Cost $736,274) ...... 736,274 Norway — 0.6% TOTAL INVESTMENTS — 99.2% MowiASA...... 12,892 318,047 (Cost $113,210,165) ...... 143,396,612 OrklaASA...... 21,865 222,872 Other Assets Less Liabilities — 0.8% ...... 1,152,645 TelenorASA...... 20,777 370,142 NET ASSETS — 100.0% $144,549,257 911,061

New Zealand — 0.6% Auckland International Airport Ltd.(a)...... 36,846 199,270 Fisher & Paykel Healthcare CorporationLtd...... 16,731 431,216 MeridianEnergyLtd...... 37,194 141,789

4 GREEN CENTURY MSCI INTERNATIONAL INDEX FUND PORTFOLIO OF INVESTMENTS April 30, 2021 (unaudited) concluded

(a) Non-income producing security. (b) Preference shares. (c) Security exempt from registration under Rule 144A of the Securities Act of 1933. These securities are restricted and may be resold in transactions exempt from registration normally to qualified institutional buyers. The total value of these securities is $156,398. (d) Level 3 securities fair valued under procedures established by the Board of Trustees, represents 0.1% of Net Assets. The total value of these securities is $149,690. (e) Shares of this security are traded on the London Stock Exchange. (f) Shares of this security are traded on the Irish Stock Exchange. (g) The rate quoted is the annualized seven-day yield of the fund at the period end.