Champlain Investment Partners, LLC

Position in WST — West Pharmaceutical Services Inc

CIK 1315478 BURLINGTON, VT

Position in WST

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$51,626,576

-$79,162,598 QoQ

Shares Held

205,979

-56.7% QoQ

Ownership

0.292%

of shares outstanding

% of Portfolio

0.66%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

20 quarters on record

Voting authority Sole 94% Shared 0% None 6%

Healthcare · as of Mar 31, 2026

Champlain Investment Partners, LLC holds $296,084,968 across 5 Medical Instruments & Supplies names. WST ranks #3 (17.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	COO	Cooper Companies, Inc.	1,608,090	$114,978,435
2	RGEN	Repligen Corp	693,855	$81,749,996
3	WST	West Pharmaceutical Services Inc This page	205,979	$51,626,576
4	ATRC	AtriCure, Inc.	971,111	$27,705,796
5	MMSI	Merit Medical Systems Inc	290,500	$20,024,165

20 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$51,626,576	205,979	-56.7%	Shares	Sole	2026-05-13
2025-12-31	$130,789,174	475,355	+3.6%	Shares	Sole	2026-02-13
2025-09-30	$120,388,483	458,920	+2.5%	Shares	Sole	2025-11-12
2025-06-30	$97,951,290	447,675	-5.0%	Shares	Sole	2025-08-12
2025-03-31	$105,486,659	471,175	+6.0%	Shares	Sole	2025-05-14
2024-12-31	$145,656,105	444,670	+0.2%	Shares	Sole	2025-02-13
2024-09-30	$133,271,040	444,000	+29.7%	Shares	Sole	2024-11-12
2024-06-30	$112,746,903	342,290	+96.6%	Shares	Sole	2024-08-14
2024-03-31	$68,906,960	174,135	-34.5%	Shares	Sole	2024-05-13
2023-12-31	$93,577,650	265,755	-2.9%	Shares	Sole	2024-02-13
2023-09-30	$102,711,861	273,745	-28.5%	Shares	Sole	2023-11-13
2023-06-30	$146,451,587	382,910	-0.1%	Shares	Sole	2023-08-11
2023-03-31	$132,860,850	383,470	-2.4%	Shares	Sole	2023-05-12
2022-12-31	$92,484,312	392,965	+110.8%	Shares	Sole	2023-02-13
2021-06-30	$66,945,217	186,425	-36.5%	Shares	Sole	2021-08-12
2021-03-31	$82,771,466	293,745	-15.0%	Shares	Sole	2021-05-13
2020-12-31	$97,948,766	345,730	-32.7%	Shares	Sole	2021-02-12
2020-09-30	$141,126,787	513,375	-16.1%	Shares	Sole	2020-11-13
2020-06-30	$139,082,560	612,240	-4.3%	Shares	Sole	2020-08-13
2020-03-31	$97,398,892	639,730	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.