Mairs & Power Inc
Institutional manager — quarterly 13F holdings, Q ending 2026-03-31
Reported value
$9.79B
Q ending 2026-03-31
Prior quarter
$10.39B
Q ending 2025-12-31
Change
-5.8% QoQ · +1.8% YoY
Positions
245
reported holdings
Largest positions
Top 100 of 245 reported positions by value, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| Nvidia Corporation | NVDA | Shares | $830.4M | 4.8M |
| Microsoft Corp | MSFT | Shares | $719.0M | 1.9M |
| Amazon Com Inc | AMZN | Shares | $542.1M | 2.6M |
| Alphabet Inc | GOOG | Shares | $462.3M | 1.6M |
| Graco Inc | GGG | Shares | $323.0M | 3.8M |
| Jpmorgan Chase & Co | JPM | Shares | $310.1M | 1.1M |
| Apple Inc | AAPL | Shares | $306.7M | 1.2M |
| Eli Lilly & Co | LLY | Shares | $300.1M | 326K |
| Visa Inc | V | Shares | $254.2M | 841K |
| Toro Co | TTC | Shares | $254.1M | 2.7M |
| Littelfuse Inc | LFUS | Shares | $245.9M | 725K |
| Nvent Elec Plc | Shares | $244.4M | 2.1M | |
| Motorola Solutions Inc | MSI | Shares | $234.7M | 541K |
| Wec Energy Group Inc | WEC | Shares | $221.2M | 1.9M |
| Alliant Energy Corp | LNT | Shares | $207.3M | 2.9M |
| Ecolab Inc | ECL | Shares | $202.7M | 762K |
| Unitedhealth Group Inc | UNH | Shares | $200.5M | 741K |
| Meta Platforms Inc | META | Shares | $185.7M | 325K |
| Fastenal Co | FAST | Shares | $182.0M | 3.9M |
| Verizon Communications Inc | VZ | Shares | $166.4M | 3.3M |
| Taiwan Semiconductor Manufac | TSM | Shares | $164.3M | 486K |
| Entegris Inc | ENTG | Shares | $157.5M | 1.3M |
| Fuller H B Co | FUL | Shares | $145.7M | 2.4M |
| Bio-Techne Corp | TECH | Shares | $143.7M | 2.8M |
| Johnson & Johnson | JNJ | Shares | $141.2M | 578K |
| C H Robinson Worldwide In | CHRW | Shares | $140.9M | 848K |
| Sherwin Williams Co | SHW | Shares | $140.3M | 438K |
| Fiserv Inc | FISV | Shares | $120.1M | 2.2M |
| Wells Fargo & Co | WFC | Shares | $108.7M | 1.4M |
| Rockwell Automation Inc | ROK | Shares | $101.8M | 284K |
| Waste Mgmt Inc Del | WM | Shares | $91.5M | 398K |
| Ameriprise Finl Inc | AMP | Shares | $87.6M | 197K |
| Palo Alto Networks Inc | PANW | Shares | $85.4M | 533K |
| Hormel Foods Corp | HRL | Shares | $77.4M | 3.4M |
| Abbott Laboratories | ABT | Shares | $74.1M | 722K |
| Caseys Gen Stores Inc | CASY | Shares | $69.8M | 96K |
| Qualcomm Inc | QCOM | Shares | $61.6M | 478K |
| Cognex Corp | CGNX | Shares | $60.0M | 1.2M |
| Tennant Co | TNC | Shares | $53.4M | 803K |
| 3M Co | MMM | Shares | $51.1M | 352K |
| Home Depot Inc | HD | Shares | $50.5M | 153K |
| Honeywell Intl Inc | HONGBP | Shares | $47.1M | 208K |
| Intuitive Surgical Inc | ISRG | Shares | $46.0M | 100K |
| American Express Co | AXP | Shares | $45.0M | 149K |
| Texas Instrs Inc | TXN | Shares | $44.9M | 231K |
| Idacorp Inc | IDA | Shares | $43.1M | 301K |
| Workiva Inc | WK | Shares | $42.7M | 716K |
| Donaldson Inc | DCI | Shares | $42.4M | 499K |
| Piper Sandler Companies | PIPR | Shares | $41.8M | 546K |
| Travelers Companies Inc | TRV | Shares | $41.5M | 142K |
| Medpace Hldgs Inc | MEDP | Shares | $41.2M | 86K |
| Zoetis Inc | ZTS | Shares | $35.8M | 303K |
| Procter & Gamble Co | PG | Shares | $35.2M | 243K |
| Medtronic Plc | Shares | $34.8M | 402K | |
| Xcel Energy Inc | XEL | Shares | $32.0M | 402K |
| Us Bancorp | USB | Shares | $31.3M | 602K |
| Automatic Data Processing In | ADP | Shares | $25.3M | 124K |
| Schwab Charles Corp | SCHW | Shares | $23.3M | 248K |
| Disney Walt Co | DIS | Shares | $23.1M | 240K |
| Sprouts Fmrs Mkt Inc | SFM | Shares | $22.5M | 292K |
| Target Corp | TGT | Shares | $20.5M | 169K |
| Generac Hldgs Inc | GNRC | Shares | $19.5M | 100K |
| Clearfield Inc | CLFD | Shares | $19.4M | 732K |
| State Str Spdr S&P 500 Etf T | SPY | Shares | $17.7M | 27K |
| Alphabet Inc | GOOGL | Shares | $16.0M | 56K |
| Badger Meter Inc | BMI | Shares | $16.0M | 105K |
| Principal Financial Group In | PFG | Shares | $14.8M | 164K |
| Exxon Mobil Corp | XOM | Shares | $14.2M | 84K |
| Hershey Co | HSY | Shares | $13.4M | 65K |
| Caterpillar Inc | CAT | Shares | $13.1M | 18K |
| Corning Inc | GLW | Shares | $12.0M | 88K |
| Berkshire Hathaway Inc Del | BRK/B | Shares | $11.5M | 24K |
| Knife River Corp | KNF | Shares | $11.0M | 134K |
| Abbvie Inc | ABBV | Shares | $9.9M | 45K |
| Aar Corp | AIR | Shares | $9.8M | 89K |
| Old Natl Bancorp Ind | ONB | Shares | $9.6M | 433K |
| Salesforce Inc | CRM | Shares | $9.3M | 50K |
| Plexus Corp | PLXS | Shares | $9.3M | 46K |
| Trust For Professional Manag | MINN | Shares | $9.1M | 411K |
| Vanguard Index Fds | VOO | Shares | $8.9M | 15K |
| Emerson Elec Co | EMR | Shares | $8.5M | 65K |
| Bentley Sys Inc | BSY | Shares | $8.3M | 236K |
| Chevron Corporation | CVX | Shares | $8.1M | 39K |
| Wintrust Finl Corp | WTFC | Shares | $8.0M | 58K |
| Qcr Hldgs Inc | QCRH | Shares | $7.8M | 91K |
| Jbt Marel Corporation | JBTM | Shares | $7.6M | 59K |
| Radnet Inc | RDNT | Shares | $7.4M | 133K |
| Kraft Heinz Co | KHC | Shares | $7.1M | 317K |
| Sysco Corp | SYY | Shares | $7.1M | 99K |
| Associated Banc-Corp | ASB | Shares | $7.0M | 270K |
| Black Hills Corp | BKH | Shares | $6.8M | 98K |
| Schwab Strategic Tr | SCHB | Shares | $6.6M | 261K |
| Patrick Inds Inc | PATK | Shares | $6.4M | 58K |
| Merck & Co Inc | MRK | Shares | $6.1M | 50K |
| Ambarella Inc | Shares | $6.1M | 118K | |
| Cullen Frost Bankers Inc | CFR | Shares | $5.9M | 43K |
| Hub Group Inc | HUBG | Shares | $5.8M | 160K |
| Northwestern Energy Group In | NWE | Shares | $5.7M | 86K |
| Pentair Plc | Shares | $5.0M | 58K | |
| Woodward Inc | WWD | Shares | $5.0M | 14K |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.