13F

Investor

MAIRS & POWER INC

CIK 0001070134 · filed 2026-05-14 · SEC filing

13F book

$9.79B

Positions

245

22 new · 20 sold

Largest name

8.5%

Nvidia Corp · NVDA

Est. mark

−$348M

Price effect on 223 names still held. Flow −$256.3M.
NameTickerSharesValueWeightEst. markChange
Nvidia CorpNVDA4.76M$830.4M8.5%−$57.6MCut−$92.7M
Microsoft CorpMSFT1.94M$719M7.3%−$217MAdded−$206.1M
Amazon Com IncAMZN2.6M$542.1M5.5%−$58.5MAdded−$56.4M
Alphabet Inc1.61M$462.3M4.7%−$43.4MCut−$70.5M
Graco IncGGG3.82M$323M3.3%$10.2MCut$2.86M
Jpmorgan Chase & Co.1.05M$310.1M3.2%−$29.6MCut−$101.2M
Apple Inc.AAPL1.21M$306.7M3.1%−$21.8MCut−$24.3M
Eli Lilly & CoLLY326.3K$300.1M3.1%−$50.5MCut−$71M
Visa Inc.V840.9K$254.2M2.6%−$38.9MAdded−$27.3M
Toro CoTTC2.72M$254.1M2.6%$40MCut−$15.4M
Littelfuse Inc724.7K$245.9M2.5%$62.6MCut$48.9M
Nvent Electric PlcNVT2.07M$244.4M2.5%$33.7MCut$29.1M
Motorola Solutions, Inc.MSI540.7K$234.7M2.4%$26.6MAdded$33.3M
Wec Energy Group, Inc.WEC1.91M$221.2M2.3%$19.7MAdded$19.9M
Alliant Energy CorpLNT2.89M$207.3M2.1%$19.5MCut$15.1M
Ecolab Inc.ECL761.8K$202.7M2.1%$2.67MCut$368.4K
Unitedhealth Group IncUNH741.1K$200.5M2.0%−$44.1MCut−$73.6M
Meta Platforms, Inc.META324.6K$185.7M1.9%−$27.8MAdded−$23.2M
Fastenal CoFAST3.92M$182M1.9%$24.6MCut−$5.31M
Verizon Communications IncVZ3.32M$166.4M1.7%$31.4MCut$29M
Taiwan Semiconductor Mfg Ltd486.3K$164.3M1.7%$16.6MCut$16.5M
Entegris IncENTG1.34M$157.5M1.6%$44.3MCut$43.8M
Fuller H B CoFUL2.36M$145.7M1.5%$5.24MCut$2.3M
Bio-Techne CorpTECH2.75M$143.7M1.5%−$18MCut−$19M
Johnson & JohnsonJNJ577.6K$141.2M1.4%$21.7MCut−$25.3M
C. H. Robinson Worldwide, Inc.CHRW848.2K$140.9M1.4%$4.5MCut$2.21M
Sherwin Williams CoSHW437.8K$140.3M1.4%−$1.52MCut−$11.8M
Fiserv IncFISV2.15M$120.1M1.2%−$18.7MAdded$9.75M
Wells Fargo Co New1.37M$108.7M1.1%−$18.6MCut−$52.4M
Rockwell Automation, IncROK283.6K$101.8M1.0%−$8.56MCut−$26.8M
Waste Mgmt Inc Del398.2K$91.5M0.9%$10.1KAdded$91.3M
Ameriprise Finl Inc197K$87.6M0.9%−$1.96MAdded$66.7M
Palo Alto Networks IncPANW532.7K$85.4M0.9%−$5.27MAdded$44.8M
Hormel Foods Corp3.42M$77.4M0.8%−$3.59MCut−$12.4M
Abbott LabsABT721.8K$74.1M0.8%−$16MAdded−$14.6M
Caseys Gen Stores Inc95.9K$69.8M0.7%$16.8MCut$12.4M
Qualcomm Inc478.1K$61.6M0.6%−$20.2MCut−$32.6M
Cognex CorpCGNX1.22M$60M0.6%$15.2MAdded$17.8M
Tennant CoTNC803.5K$53.4M0.5%−$5.87MCut−$25.6M
3M COMMM351.8K$51.1M0.5%−$5.19MAdded−$4.8M
Home Depot, Inc.HD153.4K$50.5M0.5%−$2.33MCut−$3.59M
Honeywell Intl Inc208.4K$47.1M0.5%$6.45MCut$1.47M
Intuitive Surgical IncISRG99.9K$46M0.5%−$6.56MAdded$10.8M
American Express CoAXP148.8K$45M0.5%−$10MCut−$14M
Texas Instrs Inc231.2K$44.9M0.5%$4.77MCut$4.03M
Idacorp IncIDA301.4K$43.1M0.4%$4.95MCut$4.8M
Workiva IncWK715.6K$42.7M0.4%−$19.1MCut−$20.1M
DONALDSON Co INCDCI499.4K$42.4M0.4%−$1.89MCut−$7.33M
Piper Sandler CompaniesPIPR546.1K$41.8M0.4%New
Travelers Companies, Inc.TRV142.4K$41.5M0.4%$184.4KAdded$8.53M
Medpace Hldgs Inc85.7K$41.2M0.4%−$5.43MAdded$3.72M
Zoetis Inc.ZTS303.1K$35.8M0.4%−$1.72MAdded$7.35M
Procter And Gamble CoPG243.4K$35.2M0.4%$244.4KAdded$4.17M
Medtronic PlcMDT402K$34.8M0.4%−$3.78MCut−$4.82M
Xcel Energy Inc402.3K$32M0.3%$2.21MAdded$2.69M
Us Bancorp Del601.5K$31.3M0.3%−$812KCut−$3.29M
Automatic Data Processing In124.4K$25.3M0.3%−$5.99MAdded−$3.21M
Schwab Charles Corp247.7K$23.3M0.2%−$1.47MCut−$4.03M
Disney Walt Co239.8K$23.1M0.2%−$4.17MCut−$10.6M
Sprouts Fmrs Mkt Inc292.2K$22.5M0.2%New
Target CorpTGT168.9K$20.5M0.2%$3.96MCut$1.43M
Generac Hldgs Inc99.7K$19.5M0.2%$5.88MCut$4.68M
Clearfield, Inc.CLFD731.7K$19.4M0.2%−$1.96MAdded−$1.92M
Spdr S&P 500 Etf Tr27.2K$17.7M0.2%−$854.2KAdded−$772.3K
Alphabet Inc55.8K$16M0.2%−$1.27MAdded$423.3K
Badger Meter IncBMI104.8K$16M0.2%−$2.27MAdded−$1.96M
Principal Financial Group In163.9K$14.8M0.2%$311.5KCut−$3.92M
Exxon Mobil Corp83.5K$14.2M0.1%$4.12MCut$3.75M
Hershey CoHSY64.6K$13.4M0.1%$1.67MCut$1.12M
Caterpillar IncCAT18.4K$13.1M0.1%$2.5MCut$2.5M
Corning Inc88.3K$12M0.1%$4.27MCut$4.09M
Berkshire Hathaway Inc Del23.9K$11.5M0.1%−$561.1KCut−$1.03M
Knife River CorpKNF134.4K$11M0.1%$1.4MAdded$2.26M
AbbVie Inc.ABBV45.3K$9.86M0.1%−$498.5KCut−$758.7K
Aar CorpAIR89.4K$9.78M0.1%$2.38MCut$497.7K
Old Natl Bancorp Ind433.2K$9.57M0.1%−$91KCut−$3.59M
Salesforce, Inc.CRM50K$9.33M0.1%−$3.91MCut−$69.1M
Plexus CorpPLXS45.9K$9.29M0.1%$2.55MHeld
Trust For Professional Manag410.9K$9.09M0.1%−$138KAdded$1.77M
Vanguard Index Fds14.9K$8.88M0.1%New
Emerson Elec Co64.8K$8.48M0.1%−$110.1KCut−$397.3K
Bentley Sys Inc236.2K$8.29M0.1%−$252.7KAdded$5.13M
Chevron Corp NewCVX39K$8.07M0.1%$1.18MAdded$4.78M
Wintrust Finl Corp57.7K$8.02M0.1%−$41KAdded$1.5M
Qcr Holdings IncQCRH91K$7.78M0.1%$195.7KHeld
JBT MAREL CorpJBTM59.1K$7.56M0.1%−$1.35MCut−$2.8M
RadNet, Inc.RDNT133.1K$7.44M0.1%−$1.48MAdded$615.4K
Kraft Heinz CoKHC316.6K$7.12M0.1%−$557.2KCut−$33.4M
Sysco CorpSYY99.3K$7.08M0.1%−$234.3KCut−$3.13M
Associated Banc Corp270K$6.98M0.1%$26KAdded$278.4K
Black Hills Corp98.3K$6.82M0.1%−$941Added$286.9K
Schwab Strategic Tr261.2K$6.56M0.1%−$295.2KHeld
Patrick Inds Inc57.9K$6.43M0.1%$140KAdded$679.9K
Merck & Co., Inc.MRK50.3K$6.06M0.1%$756.7KCut$582.9K
Ambarella IncAMBA117.6K$6.05M0.1%New
Cullen Frost Bankers Inc42.7K$5.85M0.1%$446.2KCut$441.7K
Hub Group, Inc.HUBG159.9K$5.76M0.1%−$1.05MCut−$4.29M
Northwestern Energy Group In86K$5.67M0.1%$114.4KAdded$399.2K
PENTAIR plcPNR57.6K$5.02M0.1%−$980.6KCut−$1.14M
Woodward, Inc.WWD14K$5.01M0.1%$778.4KHeld
Oshkosh CorpOSK33.2K$4.88M0.1%$716.1KCut$479.2K
Glacier Bancorp Inc New106.2K$4.74M0.0%$60.4KAdded$455.5K
Solventum CorpSOLV72.5K$4.74M0.0%−$1.01MCut−$1.04M
Life Time Group Holdings, Inc.LTH172.3K$4.64M0.0%$62KHeld
James Hardie Inds Plc240.8K$4.56M0.0%−$164.1KAdded$2.68M
Oracle Corp30.7K$4.52M0.0%−$1.37MAdded−$1.06M
Mcdonalds CorpMCD14.3K$4.45M0.0%$74.2KCut−$648.3K
Trex Co IncTREX116K$4.23M0.0%$121.5KAdded$1.05M
Ishares Tr6.46K$4.22M0.0%−$204.3KCut−$218K
Hawkins IncHWKN26K$3.99M0.0%$145KAdded$2.2M
Applied Matls Inc11.3K$3.87M0.0%$960.5KHeld
Cintas CorpCTAS22.4K$3.8M0.0%−$371.3KAdded$105.8K
General Mls IncGIS96.9K$3.61M0.0%−$899.5KCut−$1.44M
Berkshire Hathaway Inc Del5$3.59M0.0%−$183.3KHeld
NIKE, Inc.NKE66K$3.48M0.0%−$688.1KAdded−$541.8K
ConocophillipsCOP26K$3.44M0.0%$992.7KAdded$1.02M
Polaris Inc.PII62.5K$3.41M0.0%−$546.8KCut−$1.38M
Vanguard Index Fds11K$3.16M0.0%−$6.37KAdded$2.55M
Costco Whsl Corp New2.96K$2.95M0.0%$393.3KAdded$423.2K
Vanguard Tax-Managed Fds45.2K$2.9M0.0%$8.26KAdded$2.58M
Api Group CorpAPG58K$2.35M0.0%New
Ge Aerospace7.53K$2.14M0.0%−$182.6KCut−$259.6K
Pfizer IncPFE71.8K$2.02M0.0%$228.4KCut$176.3K
Walmart Inc.WMT15.7K$1.95M0.0%$201.9KCut$168.5K
Alerus Finl Corp79.4K$1.88M0.0%$94.5KHeld
Coca Cola CoKO23.3K$1.77M0.0%$143.2KCut$136.4K
Amgen IncAMGN4.96K$1.75M0.0%$121.8KCut−$61.5K
United Parcel Service IncUPS17.4K$1.71M0.0%−$14.1KCut−$248.7K
Solstice Advanced Matls Inc22.2K$1.69M0.0%New
Xylem Inc.XYL14.1K$1.68M0.0%−$99.6KAdded$870.8K
RTX CorpRTX8.56K$1.65M0.0%$81.3KCut−$12K
Lowes Cos Inc6.85K$1.62M0.0%−$33.4KCut−$36.6K
Cisco Sys Inc19.8K$1.54M0.0%$11.1KCut−$22.6K
Ishares Tr15.7K$1.53M0.0%$13.4KAdded$364K
Vanguard Index Fds5.8K$1.52M0.0%$5.87KAdded$1.13M
Bristol-Myers Squibb Co24.2K$1.47M0.0%$162.4KCut$122.6K
Pepsico IncPEP8.98K$1.39M0.0%$105.7KCut$87.7K
Stryker CorpSYK4.16K$1.37M0.0%−$95.1KCut−$110.5K
Wabtec5.24K$1.31M0.0%$190.9KHeld
Phillips 66PSX6.6K$1.2M0.0%$350.9KHeld
Idexx Labs Inc2.08K$1.17M0.0%−$238.5KCut−$273K
Nextera Energy Inc12.3K$1.14M0.0%$154.6KCut$114.5K
Snap-on IncSNA3.12K$1.13M0.0%$58.2KCut−$28K
Becton Dickinson & CoBDX7.12K$1.12M0.0%−$262.3KHeld
Vanguard Intl Equity Index F20.5K$1.11M0.0%New
Broadcom Inc.AVGO3.53K$1.09M0.0%−$121.6KAdded−$56.6K
Ciena CorpCIEN2.8K$1.09M0.0%$432.2KCut$385.4K
Bank America Corp21.7K$1.06M0.0%−$135.7KCut−$178.9K
Invesco Exchange Traded Fd T5.38K$1.03M0.0%New
Union Pac Corp4.19K$1.02M0.0%$47.3KCut−$45.6K
Invesco Qqq Tr1.76K$1.02M0.0%−$57.3KAdded$66.2K
Canadian Imperial Bank Of Co10.2K$964.2K0.0%$42.1KHeld
Vanguard Scottsdale Fds3.27K$963.6K0.0%New
Kimberly Clark CorpKMB9.69K$935.2K0.0%−$42.8KCut−$116K
Bank Montreal Que6.75K$913K0.0%$37.4KHeld
International Business Machs3.65K$884K0.0%−$195.2KAdded−$190.4K
Weyerhaeuser Co Mtn BeWY36.1K$882.3K0.0%$26.7KHeld
Vericel CorpVCEL25.9K$832.1K0.0%−$99.3KHeld
Chubb Limited2.44K$794.9K0.0%$32.2KAdded$66.5K
Norfolk Southn Corp2.71K$779.2K0.0%−$4.67KCut−$97.1K
Oklo Inc.OKLO15.6K$771.7K0.0%−$345KHeld
Idex Corp4K$758.2K0.0%$46.4KHeld
Schwab Strategic Tr30.6K$757K0.0%$21.3KAdded$35.8K
Shell Plc8.13K$756.3K0.0%$146.5KAdded$204.9K
GE Vernova Inc.GEV846$738.5K0.0%$185.6KCut$128.7K
Axogen, Inc.AXGN22K$728.9K0.0%$8.8KHeld
Zimmer Biomet Holdings, Inc.ZBH8.05K$727.9K0.0%$4.03KCut−$270.2K
Vanguard Scottsdale Fds12.9K$713K0.0%New
Bank New York Mellon Corp5.89K$698.5K0.0%$15KHeld
American Wtr Wks Co Inc New5.03K$683.9K0.0%$28.1KCut$25.3K
Amcor Plc Com New17.1K$680.9K0.0%New
Spdr Series Trust6.99K$640.1K0.0%$1.67KAdded$51.8K
Boston Scientific CorpBSX10.2K$638.5K0.0%−$331.7KHeld
Intel CorpINTC14.3K$632.5K0.0%$103.6KHeld
Spdr Gold Tr1.43K$615.3K0.0%New
Thermo Fisher Scientific Inc.TMO1.24K$610K0.0%−$109.1KHeld
Viasat IncVSAT13K$595.4K0.0%$147.4KHeld
Select Sector Spdr Tr4.47K$594.1K0.0%−$49.5KHeld
Brady CorpBRC7K$568.7K0.0%$20.1KHeld
Ishares Tr2.56K$547.4K0.0%$6.53KAdded$134.7K
Newmont Corp5K$541.3K0.0%$42KHeld
Tjx Cos Inc New3.31K$529.4K0.0%$20.2KHeld
Ishares Tr7.55K$516.9K0.0%$10.1KCut−$137.6K
Boeing Co2.6K$516.9K0.0%−$41.1KAdded$24K
Mosaic Co NewMOS20K$510K0.0%$28.2KCut−$68.2K
Spdr S&P Midcap 400 Etf Tr819$505.2K0.0%New
Vanguard Index Fds1.55K$496.3K0.0%−$18.5KAdded$62.4K
Vanguard Specialized Funds2.3K$494.6K0.0%−$10.9KCut−$27.8K
Adobe Inc.ADBE2.01K$488.3K0.0%−$214.8KHeld
Sturm Ruger & Co IncRGR12K$481.1K0.0%$89.3KHeld
Trane Technologies PlcTT1.1K$457.2K0.0%$30.2KCut$12.3K
Cardinal Health IncCAH2.12K$448.2K0.0%$12.3KHeld
Huntington Bancshares Inc27.2K$426.4K0.0%−$46.3KCut−$54.3K
Philip Morris Intl Inc2.54K$419.5K0.0%$12.5KCut−$5.43K
Nve Corp6K$393K0.0%$37KHeld
Advanced Micro Devices IncAMD1.93K$392.6K0.0%−$20.7KCut−$38.5K
Illinois Tool Wks Inc1.48K$386.3K0.0%$20.8KCut−$40.6K
Baxter Intl Inc22.5K$378.7K0.0%−$52.1KCut−$90.5K
Best Buy Co IncBBY5.89K$378.5K0.0%−$16.1KCut−$67.1K
Ishares Tr3.88K$360K0.0%New
L3harris Technologies Inc1.03K$356.5K0.0%$53.3KHeld
SkyWater Technology, LLCSKYT13K$356.3K0.0%$120.2KCut−$2.95M
American Tower Corp New2.02K$348.6K0.0%−$6.04KHeld
UiPath, Inc.PATH30.7K$340.8K0.0%−$64.1KAdded$142K
Marathon Pete Corp1.39K$339.4K0.0%$106.1KAdded$127.8K
Digi Intl Inc7K$337.4K0.0%$34.4KCut−$8.92K
Northern Tr Corp2.4K$335K0.0%$7.15KHeld
At&T Inc11.3K$328.4K0.0%$47KHeld
Ishares Tr14.3K$326.7K0.0%$570Held
Enterprise Prods Partners L8.6K$325.4K0.0%$49.7KHeld
Deere & CoDE572$322.2K0.0%$55.9KCut$41.9K
Gilead Sciences, Inc.GILD2.27K$317.1K0.0%$37.8KHeld
Ulta Beauty, Inc.ULTA605$316.2K0.0%−$49.8KCut−$778.8K
Ishares Tr3.15K$314.8K0.0%−$16.5KHeld
Ishares Gold Tr3.52K$310.8K0.0%$24.6KHeld
Altria Group, Inc.MO4.56K$301.2K0.0%$38KAdded$38.2K
Vanguard Growth Etf688$300.5K0.0%−$35.1KHeld
Ishares Tr2.41K$299.6K0.0%$9.95KCut−$262
Bank Hawaii Corp4K$297K0.0%$23.5KHeld
Waters Corp958$285.6K0.0%New
Cummins IncCMI528$284.1K0.0%$14.6KHeld
Ishares Tr2.51K$283.8K0.0%−$25.5KHeld
Harley-Davidson, Inc.HOG14K$283.1K0.0%−$3.78KHeld
Slb Limited/NvSLB5.5K$282.6K0.0%$71.6KHeld
Bp Plc5.61K$263.7K0.0%$68.8KCut$37.9K
Mastercard IncMA520$259.8K0.0%−$37KCut−$96.4K
Sei Invts Co3.3K$259K0.0%−$11.7KHeld
United Fire Group IncUFCS6.6K$244.6K0.0%$4.69KHeld
Vanguard Index Fds817$244.2K0.0%−$13KHeld
Accenture Plc Ireland1.23K$243.7K0.0%−$82.9KAdded−$74K
Ishares Tr1.14K$241.3K0.0%−$1.05KHeld
Msa Safety Inc1.47K$241K0.0%$5.6KHeld
Vanguard Intl Equity Index F3.18K$238.7K0.0%$4.89KHeld
Micron Technology IncMU693$234.1K0.0%New
Vanguard World Fd334$233.5K0.0%New
Marsh & Mclennan Cos Inc1.3K$225.5K0.0%−$15.7KCut−$26.1K
Danaher Corporation1.14K$215.2K0.0%−$44.6KCut−$52.4K
United Therapeutics Corp Del350$207.5K0.0%New
Murphy Oil CorpMUR5K$206.3K0.0%New
Analog Devices IncADI648$206.2K0.0%New
Timken CoTKR2K$201.1K0.0%New
Cleveland-Cliffs Inc New13.5K$114.1K0.0%−$65.2KHeld
Snap IncSNAP22.5K$103.6K0.0%New
Aebi Schmidt Hldg Ag10.4K$101K0.0%−$30.6KHeld
Plug Power IncPLUG10K$22.6K0.0%$2.9KHeld

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.