MAIRS & POWER INC

Est. AUM

$9.74B

13F long equity, this entity only

Positions

244

Period

Mar 2026 (Q1)

SEC EDGAR

View filings ↗

Mar 2026 (Q1)

#	Issuer	Class	Value	Shares	% Portfolio	Discretion
1	NVIDIA CORPORATION	COM	$830.4M	4761351	8.53%	SOLE
2	MICROSOFT CORP	COM	$719.0M	1942391	7.38%	SOLE
3	AMAZON COM INC	COM	$542.1M	2602912	5.57%	SOLE
4	ALPHABET INC	CAP STK CL C	$462.3M	1611610	4.75%	SOLE
5	GRACO INC	COM	$323.0M	3815684	3.32%	SOLE
6	JPMORGAN CHASE & CO	COM	$310.1M	1054197	3.18%	SOLE
7	APPLE INC	COM	$306.7M	1208398	3.15%	SOLE
8	ELI LILLY & CO	COM	$300.1M	326306	3.08%	SOLE
9	VISA INC	COM CL A	$254.2M	840917	2.61%	SOLE
10	TORO CO	COM	$254.1M	2718983	2.61%	SOLE
11	LITTELFUSE INC	COM	$245.9M	724710	2.52%	SOLE
12	NVENT ELEC PLC	SHS	$244.4M	2066420	2.51%	SOLE
13	MOTOROLA SOLUTIONS INC	COM NEW	$234.7M	540732	2.41%	SOLE
14	WEC ENERGY GROUP INC	COM	$221.2M	1910685	2.27%	SOLE
15	ALLIANT ENERGY CORP	COM	$207.3M	2889060	2.13%	SOLE
16	ECOLAB INC	COM	$202.7M	761818	2.08%	SOLE
17	UNITEDHEALTH GROUP INC	COM	$200.5M	741083	2.06%	SOLE
18	META PLATFORMS INC	CL A	$185.7M	324625	1.91%	SOLE
19	FASTENAL CO	COM	$182.0M	3922442	1.87%	SOLE
20	VERIZON COMMUNICATIONS INC	COM	$166.4M	3315436	1.71%	SOLE
21	TAIWAN SEMICONDUCTOR MANUFAC	SPONSORED ADS	$164.3M	486253	1.69%	SOLE
22	ENTEGRIS INC	COM	$157.5M	1343104	1.62%	SOLE
23	FULLER H B CO	COM	$145.7M	2361617	1.50%	SOLE
24	BIO-TECHNE CORP	COM	$143.7M	2750282	1.48%	SOLE
25	JOHNSON & JOHNSON	COM	$141.2M	577590	1.45%	SOLE
26	C H ROBINSON WORLDWIDE IN	COM NEW	$140.9M	848203	1.45%	SOLE
27	SHERWIN WILLIAMS CO	COM	$140.3M	437760	1.44%	SOLE
28	FISERV INC	COM	$120.1M	2152853	1.23%	SOLE
29	WELLS FARGO & CO	COM	$108.7M	1365876	1.12%	SOLE
30	ROCKWELL AUTOMATION INC	COM	$101.8M	283553	1.04%	SOLE
31	WASTE MGMT INC DEL	COM	$91.5M	398240	0.94%	SOLE
32	AMERIPRISE FINL INC	COM	$87.6M	197047	0.90%	SOLE
33	PALO ALTO NETWORKS INC	COM	$85.4M	532679	0.88%	SOLE
34	HORMEL FOODS CORP	COM	$77.4M	3417959	0.79%	SOLE
35	ABBOTT LABORATORIES	COM	$74.1M	721778	0.76%	SOLE
36	CASEYS GEN STORES INC	COM	$69.8M	95937	0.72%	SOLE
37	QUALCOMM INC	COM	$61.6M	478055	0.63%	SOLE
38	COGNEX CORP	COM	$60.0M	1223875	0.62%	SOLE
39	TENNANT CO	COM	$53.4M	803464	0.55%	SOLE
40	3M CO	COM	$51.1M	351848	0.52%	SOLE
41	HOME DEPOT INC	COM	$50.5M	153398	0.52%	SOLE
42	HONEYWELL INTL INC	COM	$47.1M	208448	0.48%	SOLE
43	AMERICAN EXPRESS CO	COM	$45.0M	148821	0.46%	SOLE
44	TEXAS INSTRS INC	COM	$44.9M	231151	0.46%	SOLE
45	IDACORP INC	COM	$43.1M	301377	0.44%	SOLE
46	WORKIVA INC	COM CL A	$42.7M	715640	0.44%	SOLE
47	DONALDSON INC	COM	$42.4M	499374	0.44%	SOLE
48	PIPER SANDLER COMPANIES	COM NEW	$41.8M	546090	0.43%	SOLE
49	TRAVELERS COMPANIES INC	COM	$41.5M	142414	0.43%	SOLE
50	MEDPACE HLDGS INC	COM	$41.2M	85720	0.42%	SOLE

1–50 of 244

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Values in USD (reported in $thousands on 13F). Source: SEC EDGAR.