Mairs & Power Growth Fund (MPGFX)

(Unaudited) Portfolio Holdings as of June 30, 2021

Cusip Symbol Shares Security Description Value

COMMON STOCKS 002824100 ABT 515,000 Abbott Laboratories $ 59,703,950 00507V109 ATVI 660,000 Activision Blizzard Inc 62,990,400 018802108 LNT 500,000 Alliant Energy Corp 27,880,000 02079K107 GOOG 150,500 Alphabet Inc * 377,201,160 023135106 AMZN 70,300 Amazon.com Inc * 241,843,248 025816109 AXP 175,000 American Express Co 28,915,250 071813109 BAX 225,000 Baxter International Inc 18,112,500 09073M104 TECH 409,700 Bio-Techne Corp 184,471,522 12541W209 CHRW 630,000 CH Robinson Worldwide Inc 59,012,100 21870Q105 COR 815,000 CoreSite Realty Corp 109,699,000 219350105 GLW 960,000 Corning Inc 39,264,000 253798102 DGII 1,391,333 Digi International Inc * 27,979,707 254687106 DIS 510,000 Walt Disney Co/The * 89,642,700 257651109 DCI 1,670,000 Donaldson Co Inc 106,095,100 278865100 ECL 1,039,000 Ecolab Inc 214,002,830 28414H103 ELAN 430,527 Elanco Animal Health Inc * 14,934,982 311900104 FAST 1,830,000 Fastenal Co 95,160,000 337738108 FISV 1,160,000 Fiserv Inc * 123,992,400 359694106 FUL 1,505,000 HB Fuller Co 95,733,050 37253A103 THRM 242,100 Gentherm Inc * 17,201,205 384109104 GGG 2,245,000 Graco Inc 169,946,500 391416104 GWB 420,000 Great Western Bancorp Inc 13,771,800 437076102 HD 200,000 Home Depot Inc/The 63,778,000 438516106 HON 225,000 Honeywell International Inc 49,353,750 440452100 HRL 2,458,592 Hormel Foods Corp 117,397,768 457730109 INSP 96,000 Inspire Medical Systems Inc * 18,552,960 47074L105 JAMF 815,000 Jamf Holding Corp * 27,359,550 478160104 JNJ 775,000 Johnson & Johnson 127,673,500 532457108 LLY 255,000 Eli Lilly & Co 58,527,600 537008104 LFUS 449,404 Littelfuse Inc 114,503,645 594918104 MSFT 1,473,000 Microsoft Corp 399,035,700 620076307 MSI 520,000 Motorola Solutions Inc 112,762,000 67066G104 NVDA 276,000 NVIDIA Corp 220,827,600 717081103 PFE 1,010,000 Pfizer Inc 39,551,600 731068102 PII 110,000 Polaris Inc 15,065,600 74251V102 PFG 835,000 Principal Financial Group Inc 52,763,650 743713109 PRLB 125,000 Proto Labs Inc * 11,475,000 747525103 QCOM 675,000 QUALCOMM Inc 96,477,750 771195104 RHHBY 3,225,000 Roche Holding AG 151,542,750 773903109 ROK 125,000 Rockwell Automation Inc 35,752,500 808513105 SCHW 841,300 Charles Schwab Corp/The 61,255,053 824348106 SHW 378,000 Sherwin-Williams Co/The 102,986,100 871829107 SYY 365,000 Sysco Corp 28,378,750 87612E106 TGT 180,000 Target Corp 43,513,200 880345103 TNC 949,966 Tennant Co 75,854,785 88579Y101 MMM 455,000 3M Co 90,376,650 891092108 TTC 1,535,000 Toro Co/The 168,665,800 902973304 USB 3,710,000 US Bancorp/MN 211,358,700 91324P102 UNH 615,000 UnitedHealth Group Inc 246,270,600 92826C839 V 675,000 Visa Inc 157,828,500 949746101 WFC 2,370,000 Wells Fargo & Co 107,337,300 98139A105 WK 296,600 Workiva Inc * 33,020,478 G5960L103 MDT 1,635,000 Medtronic PLC 202,952,550 G6700G107 NVT 2,176,066 nVent Electric PLC 67,980,302 SHORT-TERM INVESTMENTS 31846V336 30,332,811 First American Government Obligations Fund $ 30,332,811

* Non-income producing security.

The Fund's investment objective, risks, charges and expenses must be considered carefully before investing.

The summary prospectus or full prospectus contains this and other important information about the Fund, and they may be obtained by calling Shareholder Services at (800) 304-7404, or by visiting www.mairsandpower.com. Read the summary prospectus or full prospectus carefully before investing.

This list of portfolio holdings is not required to conform to Generally Accepted Accounting Principles (GAAP) and Securities and Exchange Commission (SEC) presentation requirements. Therefore, it differs from that disclosed in the complete schedule of investments in the annual and semi-annual report to shareholders filed with the SEC on Form N-CSR. The Fund also discloses its portfolio holdings in required SEC filings such as Form N-PORT.

All holdings in the portfolio are subject to change without notice and may or may not represent current or future portfolio composition. The Fund assumes no obligation or responsibility to update or supplement this schedule to reflect any changes that may occur beyond the "as of" date shown.

This portfolio data is for informational purposes only. It is not intended as a recommendation or offer for a particular security, nor is it intended to be a solicitation for the purchase or sale of any security.

Foreside Fund Services, LLC. is the Distributor for the Mairs & Power Funds.

MAIRMF-20210709-0099