Clarkston Capital Partners, LLC

Position in AVTR — Avantor, Inc.

CIK 1562855 ROCHESTER, MI

Position in AVTR

as of Jun 30, 2026 · filed Aug 11, 2026 Compact

Position Value

$67,214,208

-$440,201 QoQ

Shares Held

6,789,314

-21.3% QoQ

Ownership

0.994%

of shares outstanding

% of Portfolio

5.73%

of 13F equity value

Holder Rank

#25

of 454 holders

Holding Since

Mar 2023

14 quarters on record

Voting authority Sole 72% Shared 0% None 28%

Healthcare · as of Jun 30, 2026

Clarkston Capital Partners, LLC holds $124,281,971 across 5 Medical Instruments & Supplies names. AVTR ranks #1 (54.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AVTR	Avantor, Inc. This page	6,789,314	$67,214,208
2	NVST	Envista Holdings Corp	1,474,050	$38,841,217
3	BDX	Becton Dickinson & Co	106,880	$16,174,150
4	ALC	Alcon Inc	25,560	$1,715,076
5	ALGN	Align Technology Inc	2,000	$337,320

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$67,214,208	6,789,314	-21.3%	Shares	Sole	2026-08-11
2026-03-31	$67,654,409	8,629,389	-42.9%	Shares	Sole	2026-05-14
2025-12-31	$173,104,044	15,105,065	+0.6%	Shares	Sole	2026-02-13
2025-09-30	$187,453,656	15,020,325	+7.4%	Shares	Sole	2025-11-13
2025-06-30	$188,198,931	13,982,090	+45.8%	Shares	Sole	2025-08-13
2025-03-31	$155,485,509	9,591,950	+17.8%	Shares	Sole	2025-05-14
2024-12-31	$171,632,532	8,145,825	+43.6%	Shares	Sole	2025-02-13
2024-09-30	$146,745,764	5,672,430	-1.5%	Shares	Sole	2024-11-07
2024-06-30	$122,119,844	5,760,370	-1.6%	Shares	Sole	2024-08-14
2024-03-31	$149,625,923	5,851,620	+0.1%	Shares	Sole	2024-05-14
2023-12-31	$133,419,593	5,844,047	+237.1%	Shares	Sole	2024-02-14
2023-09-30	$36,547,492	1,733,752	+29.7%	Shares	Sole	2023-11-02
2023-06-30	$27,460,028	1,336,905	+25.1%	Shares	Sole	2023-08-07
2023-03-31	$22,597,074	1,068,925	—	Shares	Sole	2023-05-15
No filing history on record for this holder in this stock.