GATEWAY INVESTMENT ADVISERS LLC

Position in WST — West Pharmaceutical Services Inc

CIK 1114618 CINCINNATI, OH

Position in WST

as of Jun 30, 2026 · filed Jul 20, 2026 Compact

Position Value

$698,614

+$345,713 QoQ

Shares Held

1,946

+38.2% QoQ

Ownership

0.003%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#460

of 827 holders

Holding Since

Jun 2020

10 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

GATEWAY INVESTMENT ADVISERS LLC holds $53,354,337 across 9 Medical Instruments & Supplies names. WST ranks #4 (1.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ISRG	Intuitive Surgical Inc	118,560	$47,148,940
2	RGEN	Repligen Corp	17,668	$2,410,621
3	SOLV	Solventum Corp	17,908	$1,381,602
4	WST	West Pharmaceutical Services Inc This page	1,946	$698,614
5	RMD	Resmed Inc	2,241	$436,726
6	BDX	Becton Dickinson & Co	2,493	$377,265
7	ALC	Alcon Inc	5,105	$342,545
8	ALGN	Align Technology Inc	1,818	$306,623

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$698,614	1,946	+38.2%	Shares	Sole	2026-07-20
2026-03-31	$352,901	1,408	-93.5%	Shares	Sole	2026-04-13
2025-06-30	$4,739,426	21,661	-56.3%	Shares	Sole	2025-07-09
2025-03-31	$11,091,686	49,543	+2753.9%	Shares	Sole	2025-04-11
2024-09-30	$521,077	1,736	+4.6%	Shares	Sole	2024-10-10
2024-06-30	$546,787	1,660	+10.2%	Shares	Sole	2024-07-12
2024-03-31	$596,334	1,507	-97.0%	Shares	Sole	2024-04-12
2020-12-31	$14,002,880	49,426	-15.8%	Shares	Sole	2021-01-14
2020-09-30	$16,139,104	58,709	+125.4%	Shares	Sole	2020-10-19
2020-06-30	$5,918,232	26,052	—	Shares	Sole	2020-07-15
No filing history on record for this holder in this stock.