RENAISSANCE TECHNOLOGIES LLC

Position in WST — West Pharmaceutical Services Inc

CIK 1037389 NEW YORK, NY

Position in WST

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$11,093,100

-$41,456,082 QoQ

Shares Held

30,900

-85.3% QoQ

Ownership

0.044%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#163

of 827 holders

Holding Since

Mar 2020

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

RENAISSANCE TECHNOLOGIES LLC holds $370,717,791 across 29 Medical Instruments & Supplies names. WST ranks #6 (3.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ISRG	Intuitive Surgical Inc	504,430	$200,601,722
2	NVST	Envista Holdings Corp	1,520,565	$40,066,887
3	ATR	Aptargroup, Inc.	170,400	$21,334,080
4	LMAT	Lemaitre Vascular Inc	169,502	$16,265,411
5	UTMD	Utah Medical Products Inc	175,814	$12,127,649
6	WST	West Pharmaceutical Services Inc This page	30,900	$11,093,100
7	STAA	Staar Surgical Co	340,400	$9,766,076
8	TFX	Teleflex Inc	75,700	$9,595,732

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$11,093,100	30,900	-85.3%	Shares	Sole	2026-08-13
2026-03-31	$52,549,182	209,660	+100.2%	Shares	Sole	2026-05-14
2025-12-31	$28,817,063	104,736	+331.0%	Shares	Sole	2026-02-12
2025-06-30	$5,316,840	24,300	-91.8%	Shares	Sole	2025-08-13
2022-12-31	$69,357,645	294,700	+47.6%	Shares	Sole	2023-02-13
2022-09-30	$49,139,469	199,689	-1.1%	Shares	Sole	2022-11-14
2022-06-30	$61,078,740	202,000	+4022.4%	Shares	Sole	2022-08-12
2022-03-31	$2,012,479	4,900	+206.2%	Shares	Sole	2022-05-13
2021-12-31	$750,416	1,600	-96.4%	Shares	Sole	2022-02-11
2020-12-31	$12,522,302	44,200	-27.7%	Shares	Sole	2021-02-10
2020-06-30	$13,880,087	61,100	-83.3%	Shares	Sole	2020-08-13
2020-03-31	$55,601,700	365,200	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.