Holocene Advisors, LP

Position in WST — West Pharmaceutical Services Inc

CIK 1700574 New York, NY

Position in WST

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$98,876,139

+$47,840,572 QoQ

Shares Held

275,421

+35.3% QoQ

Ownership

0.391%

of shares outstanding

% of Portfolio

0.23%

of 13F equity value

Holder Rank

#50

of 831 holders

Holding Since

Sep 2023

10 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Holocene Advisors, LP holds $848,642,556 across 9 Medical Instruments & Supplies names. WST ranks #4 (11.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ISRG	Intuitive Surgical Inc	781,465	$310,773,001
2	RGEN	Repligen Corp	1,292,191	$176,306,540
3	TFX	Teleflex Inc	886,281	$112,344,979
4	WST	West Pharmaceutical Services Inc This page	275,421	$98,876,139
5	COO	Cooper Companies, Inc.	1,080,677	$77,495,347
6	BAX	Baxter International Inc	2,666,396	$56,847,562
7	ATR	Aptargroup, Inc.	56,932	$7,127,886
8	MMSI	Merit Medical Systems Inc	65,406	$4,535,252

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$98,876,139	275,421	+35.3%	Shares	Sole	2026-08-14
2026-03-31	$51,035,567	203,621	+59.4%	Shares	Sole	2026-05-15
2025-12-31	$35,140,055	127,717	-31.7%	Shares	Sole	2026-02-17
2025-09-30	$49,084,828	187,111	+6509.4%	Shares	Sole	2025-11-14
2025-03-31	$633,804	2,831	-74.8%	Shares	Sole	2025-05-15
2024-12-31	$3,677,516	11,227	-89.7%	Shares	Sole	2025-02-14
2024-09-30	$32,849,510	109,440	-41.2%	Shares	Sole	2024-11-14
2024-06-30	$61,310,348	186,133	-47.9%	Shares	Sole	2024-08-14
2024-03-31	$141,271,635	357,008	+1910.5%	Shares	Sole	2024-05-15
2023-09-30	$6,662,603	17,757	—	Shares	Sole	2023-11-14
No filing history on record for this holder in this stock.