Institutional Manager · CIK 0001070134
MAIRS & POWER INC
St Paul, MN · File #028-07342
Latest AUM
$10.39B
Positions
243
Top-10 Concentration
52.0%
Filings
12
Sector Allocation
Filing History
View all filings →- 13F HOLDINGS REPORTQ/E Dec 2025243 pos · $10.39B
- 13F HOLDINGS REPORTQ/E Sep 2025248 pos · $10.64B
- 13F HOLDINGS REPORTQ/E Jun 2025235 pos · $10.13B
- 13F HOLDINGS REPORTQ/E Mar 2025221 pos · $9.61B
- 13F HOLDINGS REPORTQ/E Dec 2024229 pos · $10.34B
- 13F HOLDINGS REPORTQ/E Sep 2024228 pos · $10.63B
- 13F HOLDINGS REPORTQ/E Jun 2024222 pos · $10.35B
- 13F HOLDINGS REPORTQ/E Mar 2024226 pos · $10.33B
- 13F HOLDINGS REPORTQ/E Dec 2023214 pos · $8.52B
- 13F HOLDINGS REPORTQ/E Sep 2023226 pos · $9.19B
- 13F HOLDINGS REPORTQ/E Jun 2023236 pos · $8.67B
- 13F HOLDINGS REPORTQ/E Mar 2023227 pos · $8.31B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | MICROSOFT CORP | MSFT | 1,912,896 | $925.1M | 9.68% |
| 2 | NVIDIA CORPORATION | NVDA | 4,949,648 | $923.1M | 9.66% |
| 3 | AMAZON COM INC | AMZN | 2,592,768 | $598.5M | 6.26% |
| 4 | ALPHABET INC | GOOG | 1,697,969 | $532.8M | 5.57% |
| 5 | JPMORGAN CHASE & CO. | VYLD | 1,276,404 | $411.3M | 4.30% |
| 6 | ELI LILLY & CO | LLY | 345,345 | $371.1M | 3.88% |
| 7 | APPLE INC | AAPL | 1,217,486 | $331.0M | 3.46% |
| 8 | GRACO INC | GGG | 3,905,582 | $320.1M | 3.35% |
| 9 | VISA INC | V | 802,518 | $281.5M | 2.94% |
| 10 | UNITEDHEALTH GROUP INC | UNH | 830,535 | $274.2M | 2.87% |
| 11 | TORO CO | TORO | 3,422,823 | $269.4M | 2.82% |
| 12 | NVENT ELECTRIC PLC | NVT | 2,111,211 | $215.3M | 2.25% |
| 13 | META PLATFORMS INC | META | 316,529 | $208.9M | 2.19% |
| 14 | ECOLAB INC | ECL | 770,571 | $202.3M | 2.12% |
| 15 | MOTOROLA SOLUTIONS INC | MSI | 525,214 | $201.3M | 2.11% |
| 16 | WEC ENERGY GROUP INC | WEC | 1,908,774 | $201.3M | 2.11% |
| 17 | LITTELFUSE INC | LFUS | 778,951 | $197.0M | 2.06% |
| 18 | ALLIANT ENERGY CORP | LNT | 2,956,947 | $192.2M | 2.01% |
| 19 | FASTENAL CO | FAST | 4,667,499 | $187.3M | 1.96% |
| 20 | JOHNSON & JOHNSON | JNJ | 804,346 | $166.5M | 1.74% |