William Frels - Mairs & Power Inc

Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    245
Portfolio value:    $9,786,094,433

Holdings Activity Buys Sells History

Period	Portfolio Value	Top 20 holdings history (left to right)
2026 Q1	$9.79 B	NVDA	MSFT	AMZN	GOOG	GGG	JPM	AAPL	LLY	TTC	V	LFUS	NVT	MSI	WEC	LNT	ECL	UNH	META	FAST	VZ
2025 Q4	$10.39 B	MSFT	NVDA	AMZN	GOOG	JPM	LLY	AAPL	GGG	V	UNH	TTC	NVT	META	ECL	MSI	WEC	LFUS	LNT	FAST	JNJ
2025 Q3	$10.64 B	NVDA	MSFT	AMZN	JPM	GOOG	UNH	GGG	AAPL	TTC	LLY	V	FAST	FISV	NVT	ECL	LFUS	MSI	WEC	LNT	META
2025 Q2	$10.13 B	MSFT	NVDA	AMZN	JPM	GGG	UNH	GOOG	FISV	LLY	V	TTC	AAPL	FAST	ECL	MSI	LFUS	LNT	WFC	NVT	META
2025 Q1	$9.61 B	MSFT	NVDA	UNH	AMZN	JPM	FISV	GGG	GOOG	AAPL	LLY	V	TTC	MSI	FAST	LNT	ECL	LFUS	JNJ	SHW	WFC
2024 Q4	$10.34 B	MSFT	NVDA	AMZN	UNH	GOOG	JPM	FISV	AAPL	GGG	TTC	V	LLY	LNT	MSI	LFUS	QCOM	USB	FAST	TECH	ECL
2024 Q3	$10.63 B	MSFT	NVDA	UNH	GOOG	AMZN	JPM	GGG	FISV	AAPL	LLY	TTC	LNT	LFUS	QCOM	MSI	V	TECH	VZ	USB	ECL
2024 Q2	$10.35 B	MSFT	NVDA	GOOG	AMZN	UNH	JPM	LLY	TTC	GGG	FISV	AAPL	QCOM	MDT	LFUS	USB	ECL	TECH	LNT	MSI	VZ
2024 Q1	$10.33 B	MSFT	NVDA	GOOG	AMZN	UNH	GGG	JPM	FISV	TTC	LLY	USB	MDT	ECL	QCOM	TECH	FAST	LFUS	NVT	HRL	JNJ
2023 Q4	$9.49 B	MSFT	GOOG	UNH	AMZN	NVDA	GGG	TTC	JPM	USB	FISV	ECL	MDT	TECH	LFUS	LLY	FAST	QCOM	JNJ	FUL	HRL
2023 Q3	$8.52 B	MSFT	GOOG	UNH	NVDA	AMZN	GGG	TTC	JPM	ECL	MDT	LLY	FISV	LFUS	JNJ	TECH	USB	HRL	FAST	NVT	QCOM
2023 Q2	$9.19 B	MSFT	GOOG	NVDA	UNH	GGG	AMZN	TTC	ECL	LFUS	TECH	MDT	FISV	JPM	JNJ	USB	LLY	HRL	FAST	NVT	QCOM
2023 Q1	$8.67 B	MSFT	GOOG	UNH	TTC	NVDA	GGG	AMZN	ECL	USB	LFUS	FISV	MDT	TECH	JNJ	HRL	LLY	QCOM	FAST	JPM	MSI
2022 Q4	$8.31 B	MSFT	UNH	GOOG	TTC	USB	GGG	ECL	JNJ	TECH	MDT	HRL	AMZN	FISV	NVDA	LFUS	LLY	FUL	DCI	MSI	QCOM
2022 Q3	$7.93 B	MSFT	GOOG	UNH	USB	AMZN	TTC	ECL	GGG	JNJ	MDT	HRL	TECH	FISV	LFUS	LLY	FUL	QCOM	DCI	WFC	MSI
2022 Q2	$8.34 B	MSFT	GOOG	UNH	USB	AMZN	ECL	JNJ	GGG	MDT	TTC	TECH	HRL	LFUS	FISV	LLY	QCOM	MSI	ABT	FUL	NVDA
2022 Q1	$9.93 B	GOOG	MSFT	UNH	AMZN	USB	ECL	MDT	GGG	TECH	JNJ	NVDA	HRL	TTC	LFUS	FISV	FAST	MSI	LLY	QCOM	V
2021 Q4	$10.80 B	MSFT	GOOG	UNH	ECL	AMZN	USB	NVDA	TECH	GGG	MDT	TTC	JNJ	LFUS	HRL	V	FUL	FISV	FAST	MSI	ABT
2021 Q3	$9.99 B	GOOG	MSFT	USB	ECL	UNH	AMZN	MDT	TECH	GGG	NVDA	TTC	JNJ	V	FISV	LFUS	HRL	DCI	MSI	ABT	FAST
2021 Q2	$10.12 B	GOOG	MSFT	ECL	USB	UNH	MDT	TECH	GGG	NVDA	TTC	AMZN	JNJ	V	MMM	FISV	HRL	DCI	LFUS	WFC	FAST
2021 Q1	$9.53 B	GOOG	MSFT	USB	ECL	UNH	MDT	GGG	TECH	TTC	JNJ	FISV	MMM	V	HRL	NVDA	DCI	LFUS	DIS	FUL	AMZN
2020 Q4	$9.00 B	GOOG	MSFT	USB	ECL	MDT	GGG	UNH	TECH	TTC	JNJ	MMM	V	FISV	NVDA	DIS	HRL	DCI	LFUS	FAST	HON
2020 Q3	$8.01 B	MSFT	GOOG	ECL	MDT	USB	GGG	MMM	NVDA	UNH	JNJ	TTC	TECH	HRL	DIS	FISV	V	HON	DCI	FAST	ABT
2020 Q2	$7.65 B	MSFT	GOOG	ECL	USB	MDT	MMM	TECH	JNJ	UNH	GGG	HRL	DIS	FAST	TTC	FISV	NVDA	HON	DCI	V	COR
2020 Q1	$6.85 B	GOOG	MSFT	ECL	MDT	MMM	USB	GGG	JNJ	RHHBY	HRL	UNH	TECH	DIS	DCI	HON	TTC	FISV	FAST	COR	CHRW
2019 Q4	$8.80 B	GOOG	USB	MMM	ECL	MDT	JNJ	MSFT	GGG	DCI	DIS	HRL	UNH	RHHBY	TECH	HON	TTC	FISV	FAST	PFG	CHRW
2019 Q3	$8.27 B	USB	GOOG	ECL	MDT	MMM	JNJ	DCI	HRL	MSFT	GGG	DIS	HON	FISV	TECH	TTC	RHHBY	ABT	CHRW	FAST	UNH
2019 Q2	$8.33 B	ECL	USB	MMM	GOOG	MDT	JNJ	GGG	DCI	DIS	HRL	HON	MSFT	TECH	ABT	FISV	RHHBY	TTC	UNH	FAST	PFG
2019 Q1	$8.23 B	MMM	ECL	GOOG	USB	JNJ	MDT	GGG	HRL	HON	DCI	ABT	TECH	DIS	TTC	MSFT	FAST	FISV	RHHBY	CHRW	AXP
2018 Q4	$7.41 B	MMM	ECL	USB	MDT	GOOG	JNJ	HRL	ABT	GGG	HON	DCI	DIS	TECH	RHHBY	TTC	FAST	CHRW	MSFT	FISV	BMS
2018 Q3	$8.59 B	ECL	MMM	USB	MDT	GOOG	DCI	JNJ	HON	HRL	ABT	GGG	TECH	DIS	CHRW	FAST	FISV	RHHBY	TTC	BMS	PFE
2018 Q2	$8.06 B	ECL	USB	MMM	MDT	HON	JNJ	GOOG	HRL	GGG	DCI	ABT	DIS	TECH	BMS	CHRW	RHHBY	FISV	TTC	PFE	SLB
2018 Q1	$8.10 B	ECL	USB	MMM	HON	MDT	JNJ	GGG	ABT	DCI	HRL	GOOG	TECH	DIS	CHRW	BMS	PNR	FAST	RHHBY	PFG	TTC
2017 Q4	$8.62 B	ECL	USB	MMM	HON	GGG	JNJ	MDT	DCI	ABT	HRL	DIS	BMS	GIS	TECH	PNR	GOOG	PFG	CHRW	RHHBY	PFE
2017 Q3	$8.33 B	ECL	USB	MMM	HON	GGG	JNJ	MDT	DCI	ABT	HRL	BMS	DIS	FUL	PNR	GIS	TECH	RHHBY	PFE	GOOG	PFG
2017 Q2	$8.27 B	ECL	MMM	USB	GGG	MDT	HON	JNJ	DCI	HRL	BMS	ABT	DIS	TTC	GIS	FUL	PNR	TECH	RHHBY	PFG	PFE
2017 Q1	$8.16 B	MMM	ECL	USB	GGG	HON	MDT	JNJ	DCI	BMS	DIS	HRL	GIS	ABT	TTC	FUL	SLB	PNR	PFE	PFG	RHHBY
2016 Q4	$7.79 B	USB	MMM	ECL	GGG	HON	JNJ	STJ	BMS	DCI	MDT	GIS	SLB	TGT	TTC	FUL	DIS	HRL	VAP	WFC	PFG
2016 Q3	$7.59 B	MMM	ECL	USB	HON	MDT	JNJ	GGG	BMS	STJ	DCI	GIS	TTC	VAP	TGT	SLB	PNR	FUL	HRL	PFE	DIS
2016 Q2	$7.41 B	MMM	ECL	USB	JNJ	MDT	HON	BMS	GGG	GIS	STJ	VAP	DCI	TGT	SLB	TTC	PFE	PNR	FUL	HRL	WFC
2016 Q1	$7.04 B	MMM	ECL	USB	VAP	HON	GGG	JNJ	BMS	MDT	GIS	TGT	TTC	DCI	SLB	STJ	EMR	HRL	FUL	CHRW	PNR
2015 Q4	$6.67 B	ECL	MMM	USB	MDT	VAP	HON	JNJ	BMS	GGG	GIS	TGT	HRL	TTC	SLB	DCI	WFC	EMR	STJ	PNR	6683
2015 Q3	$6.40 B	ECL	MMM	USB	HON	MDT	VAP	JNJ	TGT	GGG	BMS	GIS	HRL	TTC	EMR	SLB	DCI	WFC	PFG	PNR	CHRW
2015 Q2	$7.06 B	MMM	ECL	USB	HON	MDT	VAP	TGT	BMS	JNJ	GGG	EMR	SLB	DCI	GIS	PNR	HRL	TTC	BAX	WFC	PFG
2015 Q1	$7.27 B	MMM	ECL	USB	MDT	HON	VAP	TGT	BMS	JNJ	EMR	TTC	DCI	GGG	SLB	GIS	HRL	PNR	BAX	WFC	PFG
2014 Q4	$7.20 B	MMM	USB	VAP	ECL	TGT	MDT	HON	EMR	BMS	JNJ	DCI	SLB	GGG	TTC	PNR	BAX	GIS	HRL	WFC	CHRW
2014 Q3	$6.85 B	MMM	ECL	USB	VAP	MDT	EMR	TGT	HON	SLB	JNJ	DCI	BMS	PNR	GGG	TTC	BAX	HRL	GIS	PFG	WFC
2014 Q2	$6.95 B	MMM	MDT	USB	SLB	ECL	VAP	EMR	HON	JNJ	TGT	DCI	BMS	GGG	TTC	PNR	BAX	GIS	WFC	FUL	HRL
2014 Q1	$6.46 B	MMM	USB	MDT	VAP	EMR	ECL	HON	TGT	SLB	JNJ	TTC	DCI	BAX	GGG	GIS	BMS	FUL	HRL	WFC	6683
2013 Q4	$6.20 B	MMM	USB	EMR	MDT	VAP	HON	TGT	ECL	TTC	SLB	DCI	GGG	FUL	JNJ	BAX	6683	HRL	WFC	BMS	STJ
2013 Q3	$5.52 B	MMM	EMR	MDT	USB	VAP	ECL	HON	TGT	SLB	TTC	GGG	FUL	DCI	JNJ	HRL	BMS	WFC	6683	GIS	BAX
2013 Q2	$4.99 B	MMM	MDT	VAP	TGT	HON	EMR	GGG	USB	ECL	JNJ	TTC	FUL	WFC	DCI	BMS	HRL	6683	BAX	GIS	PFG
2013 Q1	$9.83 B	VKVTIX	MMM	TGT	VAP	MDT	EMR	HON	ECL	GGG	USB	JNJ	TTC	FUL	DCI	HRL	BMS	BAX	WFC	GIS	6683
2012 Q4	$4.01 B	MMM	VAP	TGT	EMR	MDT	HON	ECL	GGG	USB	TTC	FUL	DCI	JNJ	BAX	WFC	BMS	HRL	6683	GIS	MTSC
2012 Q3	$4.06 B	MMM	VAP	TGT	MDT	PNRG	USB	GGG	HON	EMR	ECL	TTC	DCI	WFC	JNJ	FUL	BAX	6683	BMS	HRL	GIS
2012 Q2	$3.83 B	MMM	VAP	TGT	MDT	ECL	USB	EMR	HON	GGG	PNRG	DCI	TTC	WFC	FUL	JNJ	BMS	HRL	6683	GIS	BAX
2012 Q1	$3.90 B	MMM	VAP	TGT	PNRG	GGG	HON	EMR	MDT	USB	DCI	ECL	FUL	WFC	TTC	JNJ	BMS	BAX	HRL	GIS	6683
2011 Q4	$3.47 B	MMM	MDT	TGT	VAP	HON	DCI	EMR	ECL	USB	GGG	JNJ	PNRG	GIS	HRL	TTC	BMS	WFC	FUL	BAX	6683
2011 Q3	$3.11 B	MMM	TGT	MDT	ECL	EMR	VAP	DCI	JNJ	PNRG	HON	USB	GGG	GIS	BMS	BAX	HRL	WFC	TTC	FUL	6683
2011 Q1	$3.65 B	MMM	EMR	HON	GGG	MDT	VAP	ECL	TGT	DCI	PNRG	USB	TTC	WFC	BMS	HRL	JNJ	GIS	BAX	6683	STJ
2010 Q4	$3.47 B	MMM	EMR	TGT	MDT	HON	ECL	GGG	DCI	PNRG	VAP	USB	WFC	TTC	JNJ	BMS	HRL	GIS	BAX	6683	FUL
2010 Q3	$6,333.27 B	ZBH	MMM	EMR	TGT	ECL	MDT	VAP	PNRG	JNJ	HON	BMS	GGG	TTC	DCI	GIS	USB	WFC	HRL	BAX	FUL
2010 Q1	$6,617.26 B	ZBH	MMM	MDT	EMR	TGT	PNRG	WFC	VAP	JNJ	TTC	ECL	HON	USB	GGG	DCI	GIS	FUL	BMS	BAX	HRL
2009 Q4	$6,310.68 B	ZBH	MMM	MDT	EMR	TGT	JNJ	ECL	PNRG	VAP	WFC	DCI	TTC	HON	BMS	USB	GIS	GGG	FUL	BAX	HRL
2009 Q3	$6,061.13 B	ZBH	MMM	TGT	EMR	MDT	WFC	ECL	VAP	JNJ	PNRG	TTC	DCI	USB	GGG	HON	GIS	FUL	BMS	BAX	HRL
2009 Q2	$5,257.64 B	ZBH	MMM	MDT	TGT	EMR	WFC	VAP	JNJ	ECL	DCI	PNRG	BMS	FUL	HRL	HON	USB	BAX	TTC	GIS	GGG
2009 Q1	$4,428.69 B	ZBH	MMM	TGT	MDT	VAP	EMR	JNJ	ECL	PNRG	DCI	HRL	BMS	BAX	GIS	WFC	USB	HON	TTC	STJ	GGG
2008 Q4	$5,253.67 B	ZBH	MMM	EMR	WFC	JNJ	MDT	TGT	USB	DCI	VAP	ECL	GIS	PNRG	TTC	BMS	BAX	GGG	HRL	HON	FUL
2008 Q3	$6,849.54 B	ZBH	WFC	MDT	MMM	TGT	USB	EMR	JNJ	ECL	PNRG	DCI	VAP	GGG	GIS	TTC	6683	BAX	HON	BMS	FUL
2008 Q2	$6,743.45 B	ZBH	MDT	EMR	MMM	TGT	JNJ	DCI	PNRG	WFC	GGG	ECL	USB	HON	GIS	BAX	6683	VAP	FUL	HRL	TTC
2008 Q1	$7,252.63 B	ZBH	EMR	MMM	MDT	TGT	WFC	6683	JNJ	USB	DCI	HON	GIS	GGG	PNRG	ECL	BAX	VAP	HRL	TTC	FUL
2007 Q4	$4,914.57 B	ZBH	EMR	MMM	MDT	WFC	DCI	TGT	HON	ECL	JNJ	6683	USB	GIS	PNRG	BAX	TTC	GGG	VAP	HRL	FUL
2007 Q3	$8,361.06 B	ZBH	MMM	MDT	EMR	TGT	WFC	6683	HON	DCI	VAP	JNJ	TTC	USB	ECL	GIS	FUL	GGG	BAX	PNRG	TFC
2007 Q2	$8,282.29 B	ZBH	MMM	MDT	TGT	WFC	EMR	VAP	6683	HON	PNRG	TTC	USB	FUL	GIS	GGG	JNJ	BAX	TFC	DCI	ECL
2007 Q1	$7,849.18 B	ZBH	MDT	WFC	MMM	TGT	EMR	VAP	USB	6683	GIS	FUL	JNJ	GGG	HON	BAX	DCI	TTC	TFC	ECL	BMS
2006 Q4	$7,783.54 B	ZBH	MDT	WFC	MMM	EMR	TGT	USB	VAP	6683	JNJ	GIS	FUL	TFC	ECL	GGG	HON	BMS	DCI	TTC	PNRG
2006 Q3	$3,642.95 B	WFC	MMM	MDT	TGT	EMR	USB	VAP	JNJ	6683	GIS	GGG	DCI	ECL	TFC	FUL	PFE	BMS	HON	BAX	TTC
2006 Q2	$1,993.97 B	BMS	PFE	WFC	0860320D	BAX	365164Q	MMM	MTSC	STJ	MDT	EMR	GLW	PFG	ASB	INTC	BGGSQ	GGG	PDCO	2987544Q	TGT
2006 Q1	$7,312.73 B	ZBH	WFC	MMM	EMR	GGG	MDT	TGT	VAP	FUL	USB	PNRG	6683	JNJ	ECL	TTC	GIS	TFC	DCI	HON	BMS
2005 Q4	$6,884.60 B	ZBH	WFC	MMM	MDT	TGT	EMR	USB	VAP	GGG	TFC	JNJ	ECL	6683	GIS	PNRG	TTC	DCI	HON	HRL	BMS
2005 Q3	$3,194.92 B	WFC	MMM	MDT	TGT	EMR	TFC	USB	GGG	JNJ	VAP	6683	GIS	PNRG	DCI	ECL	HRL	PFE	BAX	STJ	HON
2005 Q2	$6,385.32 B	ZBH	WFC	TGT	MDT	MMM	PNRG	USB	EMR	VAP	TFC	GGG	GIS	PFE	ECL	6683	DCI	FUL	JNJ	STJ	HON
2005 Q1	$5,997.57 B	ZBH	WFC	MMM	TGT	MDT	USB	EMR	TFC	PNRG	GGG	GIS	VAP	JNJ	DCI	6683	PFE	TTC	BMS	HON	ECL
2004 Q4	$5,565.84 B	ZBH	WFC	TGT	MMM	MDT	PNRG	USB	TFC	GIS	VAP	EMR	DCI	GGG	JNJ	PFE	TTC	BMS	6683	HRL	ECL
2004 Q3	$5.00 B	VFINX
2004 Q2	$2,274.42 B	WFC	MDT	TGT	TFC	PNRG	MMM	USB	PFE	GIS	GGG	JNJ	VAP	365164Q	EMR	DCI	HRL	TTC	ECL	6683	BMS
2004 Q1	$4,174.00 B	XEL	WFC	TGT	MDT	USB	MMM	TFC	PNRG	PFE	HRL	GIS	JNJ	365164Q	TTC	VAP	GGG	BMS	DCI	ECL	EMR
2003 Q4	$3,735.58 B	ZBH	WFC	MDT	TGT	MMM	USB	TFC	PFE	JNJ	GIS	365164Q	HRL	GGG	DCI	PNRG	EMR	VAP	BMS	FUL	TTC
2003 Q3	$3,216.76 B	ZBH	WFC	MDT	TGT	TFC	MMM	GIS	PFE	USB	GGG	DCI	JNJ	365164Q	HRL	TTC	VAP	BMS	PNRG	EMR	STJ
2003 Q2	$3.03 B	SMTFX	ZBH
2003 Q1	$2,389.70 B	ZBH	WFC	MDT	TGT	TFC	PFE	MMM	GGG	GIS	JNJ	DCI	TTC	STJ	HRL	USB	VAP	BMS	365164Q	EMR	FUL
2002 Q4	$2,371.55 B	ZBH	WFC	MDT	TGT	TFC	PFE	GGG	GIS	MMM	HRL	JNJ	USB	DCI	EMR	TTC	365164Q	VAP	STJ	BMS	PNRG
2002 Q3	$2,128.96 B	ZBH	WFC	MDT	TGT	TFC	GIS	JNJ	PFE	GGG	MMM	HRL	USB	DCI	TTC	BMS	EMR	FUL	BAX	365164Q	VAP
2002 Q2	$2,253.94 B	ZBH	WFC	TGT	MDT	TFC	PFE	MMM	USB	GIS	GGG	HRL	EMR	JNJ	BAX	365164Q	TTC	FUL	HON	DCI	6683
2002 Q1	$1,147.97 B	WFC	TGT	MDT	TFC	PFE	BAX	GGG	JNJ	USB	GIS	EMR	365164Q	MMM	HRL	TTC	DCI	HON	FUL	VAP	2987544Q
2001 Q4	$1,997.96 B	ZBH	MDT	TGT	WFC	GGG	TFC	MH	EMR	JNJ	BAX	PFE	365164Q	USB	HRL	GIS	STJ	DCI	HON	TTC	VAP
2001 Q3	$1,755.08 B	XEL	WFC	MDT	TGT	TFC	BAX	PFE	GGG	JNJ	USB	MH	365164Q	HRL	EMR	GIS	STJ	DCI	VAP	BMS	ECL
2001 Q2	$884.99 B	WFC	GGG	TGT	MDT	TFC	MH	BAX	USB	365164Q	PFE	EMR	HRL	JNJ	GIS	DCI	ECL	STJ	HON	MTSC	VAP
2001 Q1	$833.04 B	WY	VFINX
2000 Q4	$1,728.62 B	WY	2766711Q	MDT	EMR	MH	TGT	365164Q	GGG	TFC	PFE	JNJ	ADCT	HON	BAX	GIS	ECL	STJ	HRL	DCI	VAP
2000 Q3	$1,535.35 B	WY	2766711Q	ADCT	MDT	EMR	PFE	365164Q	MH	TFC	JNJ	GGG	BAX	STJ	TGT	HON	GIS	ECL	HRL	CEN	DCI
2000 Q2	$1,590.94 B	WY	ADCT	PFE	MDT	2766711Q	NLCS	EMR	JNJ	GGG	MH	TGT	BAX	STJ	GIS	ECL	365164Q	HRL	TFC	HON	BMS
2000 Q1	$2.37 B	ANWPX
1999 Q4	$1,575.49 B	WY	ADCT	2766711Q	MDT	MH	GGG	NLCS	JNJ	EMR	2755Q	PFE	HRL	ECL	365164Q	BAX	GIS	RLR	TFC	BMS	DCI
1999 Q3	$1,581.00 B	WY	2766711Q	ADCT	MDT	MH	EMR	NLCS	PFE	GGG	2755Q	JNJ	HRL	MRLL	3346Q	GIS	TFC	BAX	ECL	FUL	DLX