InvestInfoAI
MAIRS & POWER INC

Q1 2026 · 13F-HR

MAIRS & POWER INCholdings as filed

Filed 2026-05-14 · accession 0001172661-26-001819

$9.79B
Reported value
245
Positions
2026-03-31
Period end
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The Brief · MAIRS & POWER INC · Q1 2026

AI · grounded in 13F

MAIRS & POWER INC established a new position in PIPR valued at $41.8M. The fund significantly increased its holdings in WM by 39,724% and AMP by 362.4%. These additions occurred alongside reductions in positions for JPM, which was trimmed by 17.4%, and UNH, which was trimmed by 10.8%.

Holdings as filed

CUSIPTickerIssuerValue% port.SharesClassVoting
67066G104NVDANVIDIA CORPORATION$830.4M8.49%4,761,351CommonSOLE
594918104MSFTMICROSOFT CORP$719.0M7.35%1,942,391CommonSOLE
023135106AMZNAMAZON COM INC$542.1M5.54%2,602,912CommonSOLE
02079K107GOOGALPHABET INC$462.3M4.72%1,611,610CommonSOLE
384109104GGGGRACO INC$323.0M3.30%3,815,684CommonSOLE
46625H100JPMJPMORGAN CHASE & CO$310.1M3.17%1,054,197CommonSOLE
037833100AAPLAPPLE INC$306.7M3.13%1,208,398CommonSOLE
532457108LLYELI LILLY & CO$300.1M3.07%326,306CommonSOLE
92826C839VVISA INC$254.2M2.60%840,917CommonSOLE
891092108TTCTORO CO$254.1M2.60%2,718,983CommonSOLE
537008104LFUSLITTELFUSE INC$245.9M2.51%724,710CommonSOLE
G6700G107NVTNVENT ELEC PLC$244.4M2.50%2,066,420CommonSOLE
620076307MSIMOTOROLA SOLUTIONS INC$234.7M2.40%540,732CommonSOLE
92939U106WECWEC ENERGY GROUP INC$221.2M2.26%1,910,685CommonSOLE
018802108LNTALLIANT ENERGY CORP$207.3M2.12%2,889,060CommonSOLE
278865100ECLECOLAB INC$202.7M2.07%761,818CommonSOLE
91324P102UNHUNITEDHEALTH GROUP INC$200.5M2.05%741,083CommonSOLE
30303M102METAMETA PLATFORMS INC$185.7M1.90%324,625CommonSOLE
311900104FASTFASTENAL CO$182.0M1.86%3,922,442CommonSOLE
92343V104VZVERIZON COMMUNICATIONS INC$166.4M1.70%3,315,436CommonSOLE
874039100TSMTAIWAN SEMICONDUCTOR MANUFAC$164.3M1.68%486,253CommonSOLE
29362U104ENTGENTEGRIS INC$157.5M1.61%1,343,104CommonSOLE
359694106FULFULLER H B CO$145.7M1.49%2,361,617CommonSOLE
09073M104TECHBIO-TECHNE CORP$143.7M1.47%2,750,282CommonSOLE
478160104JNJJOHNSON & JOHNSON$141.2M1.44%577,590CommonSOLE
12541W209CHRWC H ROBINSON WORLDWIDE IN$140.9M1.44%848,203CommonSOLE
824348106SHWSHERWIN WILLIAMS CO$140.3M1.43%437,760CommonSOLE
337738108FISVFISERV INC$120.1M1.23%2,152,853CommonSOLE
949746101WMT2WELLS FARGO & CO$108.7M1.11%1,365,876CommonSOLE
773903109ROKROCKWELL AUTOMATION INC$101.8M1.04%283,553CommonSOLE
94106L109WMWASTE MGMT INC DEL$91.5M0.94%398,240CommonSOLE
03076C106AMPAMERIPRISE FINL INC$87.6M0.89%197,047CommonSOLE
697435105PANWPALO ALTO NETWORKS INC$85.4M0.87%532,679CommonSOLE
440452100HRLHORMEL FOODS CORP$77.4M0.79%3,417,959CommonSOLE
002824100ABTABBOTT LABORATORIES$74.1M0.76%721,778CommonSOLE
147528103CASYCASEYS GEN STORES INC$69.8M0.71%95,937CommonSOLE
747525103QCOMQUALCOMM INC$61.6M0.63%478,055CommonSOLE
192422103CGNXCOGNEX CORP$60.0M0.61%1,223,875CommonSOLE
880345103TNCTENNANT CO$53.4M0.55%803,464CommonSOLE
88579Y101MMM3M CO$51.1M0.52%351,848CommonSOLE
437076102HDHOME DEPOT INC$50.5M0.52%153,398CommonSOLE
438516106HONHONEYWELL INTL INC$47.1M0.48%208,448CommonSOLE
46120E602ISRGINTUITIVE SURGICAL INC$46.0M0.47%99,885CommonSOLE
025816109AXPAMERICAN EXPRESS CO$45.0M0.46%148,821CommonSOLE
882508104TXNTEXAS INSTRS INC$44.9M0.46%231,151CommonSOLE
451107106IDAIDACORP INC$43.1M0.44%301,377CommonSOLE
98139A105WKWORKIVA INC$42.7M0.44%715,640CommonSOLE
257651109DCIDONALDSON INC$42.4M0.43%499,374CommonSOLE
724078209PIPRPIPER SANDLER COMPANIES$41.8M0.43%546,090CommonSOLE
89417E109TRVTRAVELERS COMPANIES INC$41.5M0.42%142,414CommonSOLE
58506Q109MEDPMEDPACE HLDGS INC$41.2M0.42%85,720CommonSOLE
98978V103ZTSZOETIS INC$35.8M0.37%303,116CommonSOLE
742718109PGPROCTER & GAMBLE CO$35.2M0.36%243,410CommonSOLE
G5960L103MDTMEDTRONIC PLC$34.8M0.36%401,968CommonSOLE
98389B100XELXCEL ENERGY INC$32.0M0.33%402,263CommonSOLE
902973304USBUS BANCORP$31.3M0.32%601,518CommonSOLE
053015103ADPAUTOMATIC DATA PROCESSING IN$25.3M0.26%124,436CommonSOLE
808513105SCHWSCHWAB CHARLES CORP$23.3M0.24%247,732CommonSOLE
254687106DISDISNEY WALT CO$23.1M0.24%239,846CommonSOLE
85208M102SFMSPROUTS FMRS MKT INC$22.5M0.23%292,177CommonSOLE
87612E106TGTTARGET CORP$20.5M0.21%168,879CommonSOLE
368736104GNRCGENERAC HLDGS INC$19.5M0.20%99,747CommonSOLE
18482P103CLFDCLEARFIELD INC$19.4M0.20%731,733CommonSOLE
78462F103SPYSTATE STR SPDR S&P 500 ETF T$17.7M0.18%27,180CommonSOLE
02079K305GOOGLALPHABET INC$16.0M0.16%55,766CommonSOLE
056525108BMIBADGER METER INC$16.0M0.16%104,815CommonSOLE
74251V102PFGPRINCIPAL FINANCIAL GROUP IN$14.8M0.15%163,884CommonSOLE
30231G102XOMEXXON MOBIL CORP$14.2M0.14%83,523CommonSOLE
427866108HSYHERSHEY CO$13.4M0.14%64,560CommonSOLE
149123101CATCATERPILLAR INC$13.1M0.13%18,450CommonSOLE
219350105GLWCORNING INC$12.0M0.12%88,250CommonSOLE
084670702BRK/BBERKSHIRE HATHAWAY INC DEL$11.5M0.12%23,929CommonSOLE
498894104KNFKNIFE RIVER CORP$11.0M0.11%134,428CommonSOLE
00287Y109ABBVABBVIE INC$9.9M0.10%45,317CommonSOLE
000361105AIRAAR CORP$9.8M0.10%89,391CommonSOLE
680033107ONBOLD NATL BANCORP IND$9.6M0.10%433,191CommonSOLE
79466L302CRMSALESFORCE INC$9.3M0.10%49,996CommonSOLE
729132100PLXSPLEXUS CORP$9.3M0.09%45,868CommonSOLE
89834G836MINNTRUST FOR PROFESSIONAL MANAG$9.1M0.09%410,865CommonSOLE
922908363VOOVANGUARD INDEX FDS$8.9M0.09%14,866CommonSOLE
291011104EMREMERSON ELEC CO$8.5M0.09%64,752CommonSOLE
08265T208BSYBENTLEY SYS INC$8.3M0.08%236,158CommonSOLE
166764100CVXCHEVRON CORPORATION$8.1M0.08%39,017CommonSOLE
97650W108WTFCWINTRUST FINL CORP$8.0M0.08%57,744CommonSOLE
74727A104QCRHQCR HLDGS INC$7.8M0.08%91,002CommonSOLE
477839104JBTMJBT MAREL CORPORATION$7.6M0.08%59,100CommonSOLE
750491102RDNTRADNET INC$7.4M0.08%133,116CommonSOLE
500754106KHCKRAFT HEINZ CO$7.1M0.07%316,563CommonSOLE
871829107SYYSYSCO CORP$7.1M0.07%99,279CommonSOLE
045487105ASBASSOCIATED BANC-CORP$7.0M0.07%270,040CommonSOLE
092113109BKHBLACK HILLS CORP$6.8M0.07%98,285CommonSOLE
808524102SCHBSCHWAB STRATEGIC TR$6.6M0.07%261,246CommonNONE
703343103PATKPATRICK INDS INC$6.4M0.07%57,894CommonSOLE
58933Y105MRKMERCK & CO INC$6.1M0.06%50,348CommonSOLE
G037AX101AMBAAMBARELLA INC$6.1M0.06%117,581CommonSOLE
229899109CFRCULLEN FROST BANKERS INC$5.9M0.06%42,696CommonSOLE
443320106HUBGHUB GROUP INC$5.8M0.06%159,933CommonSOLE
668074305NWENORTHWESTERN ENERGY GROUP IN$5.7M0.06%86,002CommonSOLE
G7S00T104PNRPENTAIR PLC$5.0M0.05%57,578CommonSOLE
980745103WWDWOODWARD INC$5.0M0.05%14,000CommonSOLE
688239201OSKOSHKOSH CORP$4.9M0.05%33,183CommonSOLE
37637Q105GBCIGLACIER BANCORP INC NEW$4.7M0.05%106,200CommonSOLE
83444M101SOLVSOLVENTUM CORP$4.7M0.05%72,513CommonSOLE
53190C102LTHLIFE TIME GROUP HOLDINGS INC$4.6M0.05%172,317CommonSOLE
G4253H101JHXJAMES HARDIE INDS PLC$4.6M0.05%240,761CommonSOLE
68389X105ORCLORACLE CORP$4.5M0.05%30,718CommonSOLE
580135101MCDMCDONALDS CORP$4.5M0.05%14,329CommonSOLE
89531P105TREXTREX INC$4.2M0.04%116,022CommonSOLE
464287200IVVISHARES TR$4.2M0.04%6,461CommonSOLE
420261109HWKNHAWKINS INC$4.0M0.04%25,951CommonSOLE
038222105AMATAPPLIED MATLS INC$3.9M0.04%11,327CommonSOLE
172908105CTASCINTAS CORP$3.8M0.04%22,438CommonSOLE
370334104GISGENERAL MILLS INC$3.6M0.04%96,924CommonSOLE
084670108BRK/ABERKSHIRE HATHAWAY INC DEL$3.6M0.04%5CommonSOLE
654106103NKENIKE INC$3.5M0.04%65,955CommonSOLE
20825C104COPCONOCOPHILLIPS$3.4M0.04%26,028CommonSOLE
731068102PIIPOLARIS INC$3.4M0.03%62,491CommonSOLE
922908629VOVANGUARD INDEX FDS$3.2M0.03%10,997CommonSOLE
22160K105COSTCOSTCO WHOLESALE CORPORATION$3.0M0.03%2,963CommonSOLE
921943858VEAVANGUARD TAX-MANAGED FDS$2.9M0.03%45,237CommonSOLE
00187Y100APGAPI GROUP CORP$2.3M0.02%57,969CommonSOLE
369604301GEGE AEROSPACE$2.1M0.02%7,525CommonSOLE
717081103PFEPFIZER INC$2.0M0.02%71,829CommonSOLE
931142103WMTWALMART INC$2.0M0.02%15,700CommonSOLE
01446U103ALRSALERUS FINL CORP$1.9M0.02%79,436CommonSOLE
191216100KOCOCA COLA CO$1.8M0.02%23,315CommonSOLE
031162100AMGNAMGEN INC$1.7M0.02%4,964CommonSOLE
911312106UPSUNITED PARCEL SVCS INC$1.7M0.02%17,427CommonSOLE
83443Q103SOLSSOLSTICE ADVANCED MATLS INC$1.7M0.02%22,239CommonSOLE
98419M100XYLXYLEM INC$1.7M0.02%14,090CommonSOLE
75513E101RTXRTX CORPORATION$1.7M0.02%8,562CommonSOLE
548661107LOWLOWES COS INC$1.6M0.02%6,850CommonSOLE
17275R102CSCOCISCO SYS INC$1.5M0.02%19,827CommonSOLE
464287465EFAISHARES TR$1.5M0.02%15,702CommonSOLE
922908751VBVANGUARD INDEX FDS$1.5M0.02%5,805CommonSOLE
110122108BMYBRISTOL-MYERS SQUIBB CO$1.5M0.01%24,200CommonSOLE
713448108PEPPEPSICO INC$1.4M0.01%8,978CommonSOLE
863667101SYKSTRYKER CORPORATION$1.4M0.01%4,155CommonSOLE
929740108WABWABTEC$1.3M0.01%5,237CommonSOLE
718546104PSXPHILLIPS 66$1.2M0.01%6,604CommonSOLE
45168D104IDXXIDEXX LABS INC$1.2M0.01%2,080CommonSOLE
65339F101NEENEXTERA ENERGY INC$1.1M0.01%12,272CommonSOLE
833034101SNASNAP ON INC$1.1M0.01%3,123CommonSOLE
075887109BDXBECTON DICKINSON & CO$1.1M0.01%7,119CommonSOLE
922042858VWOVANGUARD INTL EQUITY INDEX F$1.1M0.01%20,515CommonSOLE
11135F101AVGOBROADCOM INC$1.1M0.01%3,533CommonSOLE
171779309CIENCIENA CORP$1.1M0.01%2,800CommonSOLE
060505104BACBANK AMERICA CORP$1.1M0.01%21,707CommonSOLE
46137V357RSPINVESCO EXCHANGE TRADED FD T$1.0M0.01%5,385CommonSOLE
907818108UNPUNION PAC CORP$1.0M0.01%4,190CommonNONE
46090E103QQQINVESCO QQQ TR$1.0M0.01%1,760CommonSOLE
136069101CMCANADIAN IMPERIAL BANK OF CO$964,1760.01%10,176CommonSOLE
92206C730VONEVANGUARD SCOTTSDALE FDS$963,5550.01%3,270CommonSOLE
494368103KMBKIMBERLY-CLARK CORP$935,1800.01%9,694CommonSOLE
063671101BMOBANK MONTREAL MEDIUM$913,0040.01%6,746CommonSOLE
459200101IBMINTERNATIONAL BUSINESS MACHS$883,9960.01%3,647CommonSOLE
962166104WYWEYERHAEUSER CO$882,3380.01%36,117CommonSOLE
92346J108VCELVERICEL CORP$832,0770.01%25,865CommonSOLE
H1467J104CBCHUBB LTD SWITZ$794,9430.01%2,439CommonSOLE
655844108NSCNORFOLK SOUTHN CORP$779,2050.01%2,715CommonNONE
02156V109OKLOOKLO INC$771,6700.01%15,561CommonNONE
45167R104IEXIDEX CORP$758,2000.01%4,000CommonSOLE
808524805SCHFSCHWAB STRATEGIC TR$757,0040.01%30,586CommonNONE
780259305SHELSHELL PLC$756,2760.01%8,132CommonSOLE
36828A101GEVGE VERNOVA INC$738,4730.01%846CommonSOLE
05463X106AXGNAXOGEN INC$728,8600.01%22,000CommonSOLE
98956P102ZBHZIMMER BIOMET HOLDINGS INC$727,8810.01%8,050CommonNONE
92206C847VGLTVANGUARD SCOTTSDALE FDS$713,0180.01%12,875CommonSOLE
064058100BKBANK NEW YORK MELLON CORP$698,4930.01%5,888CommonSOLE
030420103AWKAMERICAN WTR WKS CO INC NEW$683,8520.01%5,025CommonSOLE
G0250X149AMCRAMCOR PLC$680,8780.01%17,129CommonSOLE
78468R663BILSPDR SERIES TRUST$640,1050.01%6,985CommonSOLE
101137107BSXBOSTON SCIENTIFIC CORP$638,5440.01%10,176CommonSOLE
458140100INTCINTEL CORP$632,5150.01%14,333CommonNONE
78463V107GLDSPDR GOLD TR$615,3150.01%1,430CommonSOLE
883556102TMOTHERMO FISHER SCIENTIFIC INC$609,9890.01%1,241CommonNONE
92552V100VSATVIASAT INC$595,4000.01%13,000CommonSOLE
81369Y803XLKSELECT SECTOR SPDR TR$594,0900.01%4,470CommonSOLE
104674106BRCBRADY CORP$568,6800.01%7,000CommonSOLE
464287598IWDISHARES TR$547,4230.01%2,562CommonSOLE
651639106NEMNEWMONT CORP$541,2500.01%5,000CommonSOLE
872540109TJXTJX COS INC NEW$529,4060.01%3,315CommonSOLE
464288240ACWXISHARES TR$516,9490.01%7,550CommonSOLE
097023105BABOEING CO$516,8810.01%2,597CommonSOLE
61945C103MOSMOSAIC CO$510,0000.01%20,000CommonSOLE
78467Y107MDYSTATE STR SPDR S&P MIDCAP 40$505,2030.01%819CommonSOLE
922908769VTIVANGUARD INDEX FDS$496,2730.01%1,546CommonSOLE
921908844VIGVANGUARD SPECIALIZED FUNDS$494,6380.01%2,300CommonSOLE
00724F101ADBEADOBE INC$488,3480.00%2,009CommonSOLE
864159108RGRSTURM RUGER & CO INC$481,0800.00%12,000CommonSOLE
G8994E103TTTRANE TECHNOLOGIES PLC$457,1640.00%1,097CommonNONE
14149Y108CAHCARDINAL HEALTH INC$448,1890.00%2,121CommonSOLE
446150104HBANHUNTINGTON BANCSHARES INC$426,3530.00%27,243CommonSOLE
718172109PMPHILIP MORRIS INTL INC$419,4680.00%2,537CommonNONE
629445206NVECNVE CORP$393,0000.00%6,000CommonSOLE
007903107AMDADVANCED MICRO DEVICES INC$392,6200.00%1,930CommonSOLE
452308109ITWILLINOIS TOOL WKS INC$386,2700.00%1,484CommonSOLE
071813109BAXBAXTER INTL INC$378,7220.00%22,543CommonNONE
086516101BBYBEST BUY INC$378,4590.00%5,895CommonSOLE
46429B697USMVISHARES TR$360,0100.00%3,884CommonSOLE
502431109LHXL3HARRIS TECHNOLOGIES INC$356,5400.00%1,033CommonSOLE
83089J108SKYTSKYWATER TECHNOLOGY INC$356,3300.00%13,000CommonSOLE
03027X100AMTAMERICAN TOWER CORP$348,6120.00%2,020CommonNONE
90364P105PATHUIPATH INC$340,7700.00%30,700CommonNONE
56585A102MPCMARATHON PETE CORP$339,4100.00%1,390CommonNONE
253798102DGIIDIGI INTL INC$337,4000.00%7,000CommonSOLE
665859104NTRSNORTHERN TR CORP$334,9680.00%2,400CommonNONE
00206R102TAT&T INC$328,3700.00%11,327CommonNONE
46436E858IBTGISHARES TR$326,6530.00%14,255CommonNONE
293792107EPDENTERPRISE PRODS PARTNERS L$325,4240.00%8,600CommonSOLE
244199105DEDEERE & CO$322,2080.00%572CommonNONE
375558103GILDGILEAD SCIENCES INC$317,0670.00%2,275CommonSOLE
90384S303ULTAULTA BEAUTY INC$316,2400.00%605CommonSOLE
464287291IXNISHARES TR$314,7800.00%3,150CommonSOLE
464285204IAUISHARES GOLD TR$310,7640.00%3,525CommonSOLE
02209S103MOALTRIA GROUP INC$301,1630.00%4,563CommonNONE
922908736VUGVANGUARD INDEX FDS$300,5120.00%688CommonSOLE
464287804IJRISHARES TR$299,5870.00%2,410CommonNONE
062540109BOHBANK HAWAII CORP$297,0000.00%4,000CommonSOLE
941848103WATWATERS CORP$285,5900.00%958CommonSOLE
231021106CMICUMMINS INC$284,0750.00%528CommonNONE
464287309IVWISHARES TR$283,7930.00%2,509CommonSOLE
412822108HOGHARLEY DAVIDSON INC$283,0800.00%14,000CommonSOLE
806857108SLBSLB LIMITED$282,6450.00%5,500CommonSOLE
055622104BPBP PLC$263,6700.00%5,610CommonSOLE
57636Q104MAMASTERCARD INCORPORATED$259,8230.00%520CommonSOLE
784117103SEICSEI INVTS CO$258,9510.00%3,300CommonNONE
910340108UFCSUNITED FIRE GROUP INC$244,5960.00%6,600CommonSOLE
922908637VVVANGUARD INDEX FDS$244,1600.00%817CommonNONE
G1151C101ACNACCENTURE PLC IRELAND$243,6980.00%1,229CommonSOLE
464287408IVEISHARES TR$241,3440.00%1,143CommonSOLE
553498106MSAMSA SAFETY INC$241,0070.00%1,470CommonSOLE
922042775VEUVANGUARD INTL EQUITY INDEX F$238,6680.00%3,178CommonSOLE
595112103MUMICRON TECHNOLOGY INC$234,1230.00%693CommonSOLE
92204A702VGTVANGUARD WORLD FD$233,5140.00%334CommonSOLE
571748102MRSHMARSH & MCLENNAN COS INC$225,4850.00%1,300CommonSOLE
235851102DHRDANAHER CORP DEL$215,1960.00%1,135CommonSOLE
91307C102UTHRUNITED THERAPEUTICS CORP DEL$207,5430.00%350CommonSOLE
626717102MURMURPHY OIL CORP$206,2500.00%5,000CommonSOLE
032654105ADIANALOG DEVICES INC$206,1550.00%648CommonSOLE
887389104TKRTIMKEN CO$201,1400.00%2,000CommonSOLE
185899101CLFCLEVELAND-CLIFFS INC NEW$114,0750.00%13,500CommonSOLE
83304A106SNAPSNAP INC$103,6150.00%22,525CommonNONE
H00501108AEBIAEBI SCHMIDT HLDG AG$100,9940.00%10,401CommonSOLE
72919P202PLUGPLUG PWR INC$22,6000.00%10,000CommonSOLE

Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.