InvestInfoAI
← Tracker

Institutional

MAIRS & POWER INC

CIK 0001070134
$9.79B
Reported AUM
245
Positions
Q1 2026
Period
2026-05-14
Filed

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%.

Portfolio · Q1 2026

NVDA$830.4MMSFT$719.0MAMZN$542.1MGOOG$462.3MGGG$323.0MJPM$310.1MAAPL$306.7MLLY$300.1MV$254.2MTTC$254.1MLFUS$245.9MNVT$244.4MOther$4.99BMI

Top holdings

QoQ vs Q4 2025

#TickerIssuerValue% of bookΔ shares (QoQ)Status
1NVDANVIDIA CORPORATION$830.4M8.49%-188,297-3.8%
2MSFTMICROSOFT CORP$719.0M7.35%+29,495+1.5%
3AMZNAMAZON COM INC$542.1M5.54%+10,144+0.4%
4GOOGALPHABET INC$462.3M4.72%-86,359-5.1%
5GGGGRACO INC$323.0M3.30%-89,898-2.3%
6JPMJPMORGAN CHASE & CO$310.1M3.17%-222,207-17.4%
7AAPLAPPLE INC$306.7M3.13%-9,088-0.7%
8LLYELI LILLY & CO$300.1M3.07%-19,039-5.5%
9VVISA INC$254.2M2.60%+38,399+4.8%
10TTCTORO CO$254.1M2.60%-703,840-20.6%
11LFUSLITTELFUSE INC$245.9M2.51%-54,241-7.0%
12NVTNVENT ELEC PLC$244.4M2.50%-44,791-2.1%
13MSIMOTOROLA SOLUTIONS INC$234.7M2.40%+15,518+3.0%
14WECWEC ENERGY GROUP INC$221.2M2.26%+1,911+0.1%
15LNTALLIANT ENERGY CORP$207.3M2.12%-67,887-2.3%
16ECLECOLAB INC$202.7M2.07%-8,753-1.1%
17UNHUNITEDHEALTH GROUP INC$200.5M2.05%-89,452-10.8%
18METAMETA PLATFORMS INC$185.7M1.90%+8,096+2.6%
19FASTFASTENAL CO$182.0M1.86%-745,057-16.0%
20VZVERIZON COMMUNICATIONS INC$166.4M1.70%-58,236-1.7%
21TSMTAIWAN SEMICONDUCTOR MANUFAC$164.3M1.68%-294-0.1%
22ENTGENTEGRIS INC$157.5M1.61%-5,882-0.4%
23FULFULLER H B CO$145.7M1.49%-49,450-2.1%
24TECHBIO-TECHNE CORP$143.7M1.47%-17,257-0.6%
25JNJJOHNSON & JOHNSON$141.2M1.44%-226,756-28.2%
26CHRWC H ROBINSON WORLDWIDE IN$140.9M1.44%-14,280-1.7%
27SHWSHERWIN WILLIAMS CO$140.3M1.43%-31,832-6.8%
28FISVFISERV INC$120.1M1.23%+509,603+31.0%
29WMT2WELLS FARGO & CO$108.7M1.11%-363,465-21.0%
30ROKROCKWELL AUTOMATION INC$101.8M1.04%-46,781-14.2%
31WMWASTE MGMT INC DEL$91.5M0.94%+397,240+39724.0%
32AMPAMERIPRISE FINL INC$87.6M0.89%+154,436+362.4%
33PANWPALO ALTO NETWORKS INC$85.4M0.87%+312,032+141.4%
34HRLHORMEL FOODS CORP$77.4M0.79%-371,554-9.8%
35ABTABBOTT LABORATORIES$74.1M0.76%+13,697+1.9%
36CASYCASEYS GEN STORES INC$69.8M0.71%-7,936-7.6%
37QCOMQUALCOMM INC$61.6M0.63%-72,253-13.1%
38CGNXCOGNEX CORP$60.0M0.61%+52,279+4.5%
39TNCTENNANT CO$53.4M0.55%-268,160-25.0%
40MMM3M CO$51.1M0.52%+2,701+0.8%
41HDHOME DEPOT INC$50.5M0.52%-3,655-2.3%
42HONHONEYWELL INTL INC$47.1M0.48%-25,528-10.9%
43ISRGINTUITIVE SURGICAL INC$46.0M0.47%+37,608+60.4%
44AXPAMERICAN EXPRESS CO$45.0M0.46%-10,638-6.7%
45TXNTEXAS INSTRS INC$44.9M0.46%-4,273-1.8%
46IDAIDACORP INC$43.1M0.44%-1,131-0.4%
47WKWORKIVA INC$42.7M0.44%-12,354-1.7%
48DCIDONALDSON INC$42.4M0.43%-61,279-10.9%
49PIPRPIPER SANDLER COMPANIES$41.8M0.43%+546,090NEW
50TRVTRAVELERS COMPANIES INC$41.5M0.42%+28,614+25.1%
51MEDPMEDPACE HLDGS INC$41.2M0.42%+19,055+28.6%
52ZTSZOETIS INC$35.8M0.37%+76,716+33.9%
53PGPROCTER & GAMBLE CO$35.2M0.36%+27,144+12.6%
54MDTMEDTRONIC PLC$34.8M0.36%-10,782-2.6%
55XELXCEL ENERGY INC$32.0M0.33%+5,983+1.5%
56USBUS BANCORP$31.3M0.32%-46,462-7.2%
57ADPAUTOMATIC DATA PROCESSING IN$25.3M0.26%+13,655+12.3%
58SCHWSCHWAB CHARLES CORP$23.3M0.24%-25,625-9.4%
59DISDISNEY WALT CO$23.1M0.24%-56,337-19.0%
60SFMSPROUTS FMRS MKT INC$22.5M0.23%+292,177NEW
61TGTTARGET CORP$20.5M0.21%-25,879-13.3%
62GNRCGENERAC HLDGS INC$19.5M0.20%-8,831-8.1%
63CLFDCLEARFIELD INC$19.4M0.20%+1,545+0.2%
64SPYSTATE STR SPDR S&P 500 ETF T$17.7M0.18%+126+0.5%
65GOOGLALPHABET INC$16.0M0.16%+5,885+11.8%
66BMIBADGER METER INC$16.0M0.16%+2,002+1.9%
67PFGPRINCIPAL FINANCIAL GROUP IN$14.8M0.15%-47,934-22.6%
68XOMEXXON MOBIL CORP$14.2M0.14%-3,079-3.6%
69HSYHERSHEY CO$13.4M0.14%-3,048-4.5%
70CATCATERPILLAR INC$13.1M0.13%-5-0.0%
71GLWCORNING INC$12.0M0.12%-2,100-2.3%
72BRK/BBERKSHIRE HATHAWAY INC DEL$11.5M0.12%-928-3.7%
73KNFKNIFE RIVER CORP$11.0M0.11%+10,573+8.5%
74ABBVABBVIE INC$9.9M0.10%-1,139-2.5%
75AIRAAR CORP$9.8M0.10%-22,785-20.3%
76ONBOLD NATL BANCORP IND$9.6M0.10%-156,769-26.6%
77CRMSALESFORCE INC$9.3M0.10%-246,017-83.1%
78PLXSPLEXUS CORP$9.3M0.09%HELD
79MINNTRUST FOR PROFESSIONAL MANAG$9.1M0.09%+86,129+26.5%
80VOOVANGUARD INDEX FDS$8.9M0.09%+14,866NEW
81EMREMERSON ELEC CO$8.5M0.09%-2,164-3.2%
82BSYBENTLEY SYS INC$8.3M0.08%+153,172+184.6%
83CVXCHEVRON CORPORATION$8.1M0.08%+17,405+80.5%
84WTFCWINTRUST FINL CORP$8.0M0.08%+11,111+23.8%
85QCRHQCR HLDGS INC$7.8M0.08%HELD
86JBTMJBT MAREL CORPORATION$7.6M0.08%-9,657-14.0%
87RDNTRADNET INC$7.4M0.08%+37,468+39.2%
88KHCKRAFT HEINZ CO$7.1M0.07%-1,356,268-81.1%
89SYYSYSCO CORP$7.1M0.07%-39,255-28.3%
90ASBASSOCIATED BANC-CORP$7.0M0.07%+9,761+3.8%
91BKHBLACK HILLS CORP$6.8M0.07%+4,147+4.4%
92SCHBSCHWAB STRATEGIC TR$6.6M0.07%HELD
93PATKPATRICK INDS INC$6.4M0.07%+4,861+9.2%
94MRKMERCK & CO INC$6.1M0.06%-1,651-3.2%
95AMBAAMBARELLA INC$6.1M0.06%+117,581NEW
96CFRCULLEN FROST BANKERS INC$5.9M0.06%-35-0.1%
97HUBGHUB GROUP INC$5.8M0.06%-76,103-32.2%
98NWENORTHWESTERN ENERGY GROUP IN$5.7M0.06%+4,320+5.3%
99PNRPENTAIR PLC$5.0M0.05%-1,485-2.5%
100WWDWOODWARD INC$5.0M0.05%HELD
101OSKOSHKOSH CORP$4.9M0.05%-1,886-5.4%
102GBCIGLACIER BANCORP INC NEW$4.7M0.05%+8,846+9.1%
103SOLVSOLVENTUM CORP$4.7M0.05%-374-0.5%
104LTHLIFE TIME GROUP HOLDINGS INC$4.6M0.05%HELD
105JHXJAMES HARDIE INDS PLC$4.6M0.05%+150,088+165.5%
106ORCLORACLE CORP$4.5M0.05%+2,100+7.3%
107MCDMCDONALDS CORP$4.5M0.05%-2,364-14.2%
108TREXTREX INC$4.2M0.04%+25,370+28.0%
109IVVISHARES TR$4.2M0.04%-20-0.3%
110HWKNHAWKINS INC$4.0M0.04%+13,382+106.5%
111AMATAPPLIED MATLS INC$3.9M0.04%HELD
112CTASCINTAS CORP$3.8M0.04%+2,821+14.4%
113GISGENERAL MILLS INC$3.6M0.04%-11,553-10.7%
114BRK/ABERKSHIRE HATHAWAY INC DEL$3.6M0.04%HELD
115NKENIKE INC$3.5M0.04%+2,770+4.4%
116COPCONOCOPHILLIPS$3.4M0.04%+170+0.7%
117PIIPOLARIS INC$3.4M0.03%-13,252-17.5%
118VOVANGUARD INDEX FDS$3.2M0.03%+8,902+424.9%
119COSTCOSTCO WHOLESALE CORPORATION$3.0M0.03%+30+1.0%
120VEAVANGUARD TAX-MANAGED FDS$2.9M0.03%+40,108+782.0%
121APGAPI GROUP CORP$2.3M0.02%+57,969NEW
122GEGE AEROSPACE$2.1M0.02%-250-3.2%
123PFEPFIZER INC$2.0M0.02%-2,092-2.8%
124WMTWALMART INC$2.0M0.02%-300-1.9%
125ALRSALERUS FINL CORP$1.9M0.02%HELD
126KOCOCA COLA CO$1.8M0.02%-96-0.4%
127AMGNAMGEN INC$1.7M0.02%-560-10.1%
128UPSUNITED PARCEL SVCS INC$1.7M0.02%-2,365-11.9%
129SOLSSOLSTICE ADVANCED MATLS INC$1.7M0.02%+22,239NEW
130XYLXYLEM INC$1.7M0.02%+8,120+136.0%
131RTXRTX CORPORATION$1.7M0.02%-509-5.6%
132LOWLOWES COS INC$1.6M0.02%-13-0.2%
133CSCOCISCO SYS INC$1.5M0.02%-438-2.2%
134EFAISHARES TR$1.5M0.02%+3,609+29.8%
135VBVANGUARD INDEX FDS$1.5M0.02%+4,309+288.0%
136BMYBRISTOL-MYERS SQUIBB CO$1.5M0.01%-738-3.0%
137PEPPEPSICO INC$1.4M0.01%-125-1.4%
138SYKSTRYKER CORPORATION$1.4M0.01%-44-1.0%
139WABWABTEC$1.3M0.01%HELD
140PSXPHILLIPS 66$1.2M0.01%HELD
141IDXXIDEXX LABS INC$1.2M0.01%-51-2.4%
142NEENEXTERA ENERGY INC$1.1M0.01%-500-3.9%
143SNASNAP ON INC$1.1M0.01%-250-7.4%
144BDXBECTON DICKINSON & CO$1.1M0.01%HELD
145VWOVANGUARD INTL EQUITY INDEX F$1.1M0.01%+20,515NEW
146AVGOBROADCOM INC$1.1M0.01%+210+6.3%
147CIENCIENA CORP$1.1M0.01%-200-6.7%
148BACBANK AMERICA CORP$1.1M0.01%-786-3.5%
149RSPINVESCO EXCHANGE TRADED FD T$1.0M0.01%+5,385NEW
150UNPUNION PAC CORP$1.0M0.01%-402-8.8%
151QQQINVESCO QQQ TR$1.0M0.01%+214+13.8%
152CMCANADIAN IMPERIAL BANK OF CO$964K0.01%HELD
153VONEVANGUARD SCOTTSDALE FDS$964K0.01%+3,270NEW
154KMBKIMBERLY-CLARK CORP$935K0.01%-725-7.0%
155BMOBANK MONTREAL MEDIUM$913K0.01%HELD
156IBMINTERNATIONAL BUSINESS MACHS$884K0.01%+20+0.6%
157WYWEYERHAEUSER CO$882K0.01%HELD
158VCELVERICEL CORP$832K0.01%HELD
159CBCHUBB LTD SWITZ$795K0.01%+105+4.5%
160NSCNORFOLK SOUTHN CORP$779K0.01%-320-10.5%
161OKLOOKLO INC$772K0.01%HELD
162IEXIDEX CORP$758K0.01%HELD
163SCHFSCHWAB STRATEGIC TR$757K0.01%+586+2.0%
164SHELSHELL PLC$756K0.01%+628+8.4%
165GEVGE VERNOVA INC$738K0.01%-87-9.3%
166AXGNAXOGEN INC$729K0.01%HELD
167ZBHZIMMER BIOMET HOLDINGS INC$728K0.01%-3,050-27.5%
168VGLTVANGUARD SCOTTSDALE FDS$713K0.01%+12,875NEW
169BKBANK NEW YORK MELLON CORP$698K0.01%HELD
170AWKAMERICAN WTR WKS CO INC NEW$684K0.01%-21-0.4%
171AMCRAMCOR PLC$681K0.01%+17,129NEW
172BILSPDR SERIES TRUST$640K0.01%+547+8.5%
173BSXBOSTON SCIENTIFIC CORP$639K0.01%HELD
174INTCINTEL CORP$633K0.01%HELD
175GLDSPDR GOLD TR$615K0.01%+1,430NEW
176TMOTHERMO FISHER SCIENTIFIC INC$610K0.01%HELD
177VSATVIASAT INC$595K0.01%HELD
178XLKSELECT SECTOR SPDR TR$594K0.01%HELD
179BRCBRADY CORP$569K0.01%HELD
180IWDISHARES TR$547K0.01%+600+30.6%
181NEMNEWMONT CORP$541K0.01%HELD
182TJXTJX COS INC NEW$529K0.01%HELD
183ACWXISHARES TR$517K0.01%-2,200-22.6%
184BABOEING CO$517K0.01%+327+14.4%
185MOSMOSAIC CO$510K0.01%-4,000-16.7%
186MDYSTATE STR SPDR S&P MIDCAP 40$505K0.01%+819NEW
187VTIVANGUARD INDEX FDS$496K0.01%+252+19.5%
188VIGVANGUARD SPECIALIZED FUNDS$495K0.01%-77-3.2%
189ADBEADOBE INC$488K0.00%HELD
190RGRSTURM RUGER & CO INC$481K0.00%HELD
191TTTRANE TECHNOLOGIES PLC$457K0.00%-46-4.0%
192CAHCARDINAL HEALTH INC$448K0.00%HELD
193HBANHUNTINGTON BANCSHARES INC$426K0.00%-460-1.7%
194PMPHILIP MORRIS INTL INC$419K0.00%-112-4.2%
195NVECNVE CORP$393K0.00%HELD
196AMDADVANCED MICRO DEVICES INC$393K0.00%-83-4.1%
197ITWILLINOIS TOOL WKS INC$386K0.00%-249-14.4%
198BAXBAXTER INTL INC$379K0.00%-2,013-8.2%
199BBYBEST BUY INC$378K0.00%-762-11.4%
200USMVISHARES TR$360K0.00%+3,884NEW
201LHXL3HARRIS TECHNOLOGIES INC$357K0.00%HELD
202SKYTSKYWATER TECHNOLOGY INC$356K0.00%-169,131-92.9%
203AMTAMERICAN TOWER CORP$349K0.00%HELD
204PATHUIPATH INC$341K0.00%+18,575+153.2%
205MPCMARATHON PETE CORP$339K0.00%+89+6.8%
206DGIIDIGI INTL INC$337K0.00%-1,000-12.5%
207NTRSNORTHERN TR CORP$335K0.00%HELD
208TAT&T INC$328K0.00%HELD
209IBTGISHARES TR$327K0.00%HELD
210EPDENTERPRISE PRODS PARTNERS L$325K0.00%HELD
211DEDEERE & CO$322K0.00%-30-5.0%
212GILDGILEAD SCIENCES INC$317K0.00%HELD
213ULTAULTA BEAUTY INC$316K0.00%-1,205-66.6%
214IXNISHARES TR$315K0.00%HELD
215IAUISHARES GOLD TR$311K0.00%HELD
216MOALTRIA GROUP INC$301K0.00%+2+0.0%
217VUGVANGUARD INDEX FDS$301K0.00%HELD
218IJRISHARES TR$300K0.00%-85-3.4%
219BOHBANK HAWAII CORP$297K0.00%HELD
220WATWATERS CORP$286K0.00%+958NEW
221CMICUMMINS INC$284K0.00%HELD
222IVWISHARES TR$284K0.00%HELD
223HOGHARLEY DAVIDSON INC$283K0.00%HELD
224SLBSLB LIMITED$283K0.00%HELD
225BPBP PLC$264K0.00%-890-13.7%
226MAMASTERCARD INCORPORATED$260K0.00%-104-16.7%
227SEICSEI INVTS CO$259K0.00%HELD
228UFCSUNITED FIRE GROUP INC$245K0.00%HELD
229VVVANGUARD INDEX FDS$244K0.00%HELD
230ACNACCENTURE PLC IRELAND$244K0.00%+45+3.8%
231IVEISHARES TR$241K0.00%HELD
232MSAMSA SAFETY INC$241K0.00%HELD
233VEUVANGUARD INTL EQUITY INDEX F$239K0.00%HELD
234MUMICRON TECHNOLOGY INC$234K0.00%+693NEW
235VGTVANGUARD WORLD FD$234K0.00%+334NEW
236MRSHMARSH & MCLENNAN COS INC$225K0.00%-56-4.1%
237DHRDANAHER CORP DEL$215K0.00%-34-2.9%
238UTHRUNITED THERAPEUTICS CORP DEL$208K0.00%+350NEW
239MURMURPHY OIL CORP$206K0.00%+5,000NEW
240ADIANALOG DEVICES INC$206K0.00%+648NEW
241TKRTIMKEN CO$201K0.00%+2,000NEW
242CLFCLEVELAND-CLIFFS INC NEW$114K0.00%HELD
243SNAPSNAP INC$104K0.00%+22,525NEW
244AEBIAEBI SCHMIDT HLDG AG$101K0.00%HELD
245PLUGPLUG PWR INC$23K0.00%HELD
24662CPIPER SANDLER COMPANIES-175,861EXITED
247INSPINSPIRE MED SYS INC-57,616EXITED
248MGPIMGP INGREDIENTS INC NEW-173,245EXITED
249CWANCLEARWATER ANALYTICS HLDGS I-92,510EXITED
250THRMGENTHERM INC-52,946EXITED
251EXKEXACT SCIENCES CORP-17,236EXITED
252XLISELECT SECTOR SPDR TR-10,535EXITED
253XLPSELECT SECTOR SPDR TR-20,045EXITED
254XLFSELECT SECTOR SPDR TR-25,310EXITED
255CVRXCVRX INC-142,456EXITED
256XLVSELECT SECTOR SPDR TR-5,522EXITED
257AMCRAMCOR PLC-88,520EXITED
258XLBSELECT SECTOR SPDR TR-5,260EXITED
259ADSKAUTODESK INC-801EXITED
260VTEBVANGUARD MUN BD FDS-4,211EXITED
261RFREGIONS FINANCIAL CORP NEW-7,620EXITED
262ETNEATON CORP PLC-648EXITED
263NVSNOVARTIS AG-1,485EXITED
264BLKBLACKROCK INC-190EXITED
265SONYSONY GROUP CORP-7,830EXITED

Source: SEC EDGAR · accession 0001172661-26-001819. 13F discloses long positions only — shorts, foreign equities, and options are excluded.