Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

MAIRS & POWER INC 13F Holdings -- Portfolio & Top Positions (2026-03-31)

MAIRS & POWER INC (CIK 1070134) reported $9.79B across 244 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: NVDA ($830.4M, 8.49%), MSFT ($719.0M, 7.35%), AMZN ($542.1M, 5.54%), GOOG ($462.3M, 4.72%), GGG ($323.0M, 3.30%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1NVDANVIDIA CORPORATION$830.4M8.49%4.8MTrimmed
2MSFTMICROSOFT CORP$719.0M7.35%1.9MAdded
3AMZNAMAZON COM INC$542.1M5.54%2.6MAdded
4GOOGALPHABET INC$462.3M4.72%1.6MTrimmed
5GGGGRACO INC$323.0M3.30%3.8MTrimmed
6JPMJPMORGAN CHASE & CO$310.1M3.17%1.1MTrimmed
7AAPLAPPLE INC$306.7M3.13%1.2MTrimmed
8LLYELI LILLY & CO$300.1M3.07%326,306Trimmed
9VVISA INC$254.2M2.60%840,917Added
10TTCTORO CO$254.1M2.60%2.7MTrimmed
11LFUSLITTELFUSE INC$245.9M2.51%724,710Trimmed
12NVTNVENT ELEC PLC$244.4M2.50%2.1MTrimmed
13MSIMOTOROLA SOLUTIONS INC$234.7M2.40%540,732Added
14WECWEC ENERGY GROUP INC$221.2M2.26%1.9MAdded
15LNTALLIANT ENERGY CORP$207.3M2.12%2.9MTrimmed
16ECLECOLAB INC$202.7M2.07%761,818Trimmed
17UNHUNITEDHEALTH GROUP INC$200.5M2.05%741,083Trimmed
18METAMETA PLATFORMS INC$185.7M1.90%324,625Added
19FASTFASTENAL CO$182.0M1.86%3.9MTrimmed
20VZVERIZON COMMUNICATIONS INC$166.4M1.70%3.3MTrimmed
21TSMTAIWAN SEMICONDUCTOR MANUFAC$164.3M1.68%486,253Trimmed
22ENTGENTEGRIS INC$157.5M1.61%1.3MTrimmed
23FULFULLER H B CO$145.7M1.49%2.4MTrimmed
24TECHBIO-TECHNE CORP$143.7M1.47%2.8MTrimmed
25JNJJOHNSON & JOHNSON$141.2M1.44%577,590Trimmed

Source: SEC Form 13F filings · as of 2026-03-31