West Pharmaceutical Services Inc (WST) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

1,434,109Shares held by institutions

$351,643,527Value of institutional holdings

97.10%Institutional ownership %

0.93%Shares Changed QoQ

728No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

West Pharmaceutical Services Inc (NYSE:WST) has 786 institutional investors with active 13F positions as of December 2025.

These investors held 96.3% of outstanding shares in December 2025, down from 96.5% in September 2025.
They increased total shares held in West Pharmaceutical Services by 2.79% from the prior quarter, while the number of investors in WST increased 6.5% year over year.
Of these 786 holders, 372 added to their stakes in West Pharmaceutical Services, 289 trimmed positions, and 125 made no changes.
Institutional investors collectively held 70.02Mn shares in West Pharmaceutical Services as of December 2025, up by 1.9Mn shares quarter on quarter, and down 2.65Mn shares year over year.
VANGUARD GROUP INC leads ownership in WST with 9.54Mn shares as of December 31, 2025, equal to 13.12% of outstanding shares.
The most significant purchases of WST for the quarter ending December 2025 came from T. Rowe Price Investment Management, Inc. (1.27Mn), NORGES BANK (988.74K), Longview Partners (Guernsey) LTD (778.89K), GENERATION INVESTMENT MANAGEMENT LLP (585.86K), VIKING GLOBAL INVESTORS LP (295.03K).
The largest sales of WST for the quarter ending December 2025 came from VAN ECK ASSOCIATES CORP (708.79K), BROWN ADVISORY INC (554.48K), CITADEL ADVISORS LLC (481.9K), Point72 Asset Management, L.P. (424.22K), Bank Of America Corp /De/ (416.57K).
Business Quant data shows the 10 biggest positions in West Pharmaceutical Services as of December 2025 are held by VANGUARD GROUP INC (9.54Mn), BlackRock, Inc. (6.6Mn), State Street Corp (3.25Mn), Artisan Partners Limited Partnership (2.85Mn), Bank of New York Mellon Corp (2.66Mn), T. Rowe Price Investment Management, Inc. (1.97Mn), BROWN ADVISORY INC (1.94Mn), GEODE CAPITAL MANAGEMENT, LLC (1.87Mn), GENERATION INVESTMENT MANAGEMENT LLP (1.56Mn), Morgan Stanley (1.53Mn).

786 Institutional Holders

1,434,109 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	143,874	2.23%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	-165,775	-1.71%	$0.00
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	1,266,223	180.52%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	174,617	146.58%	$0.00
State Street Corp	31 Dec, 2025	44,109	1.38%	$0.00
Nuveen, LLC	31 Dec, 2025	52,218	14.83%	$0.00
Barclays Plc	31 Dec, 2025	-253,016	-64.02%	$0.00
Artisan Partners Limited Partnership	31 Dec, 2025	79,481	2.87%	$0.00
Seilern Investment Management Ltd	31 Dec, 2025	-48,728	-14.90%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	1,850	183.53%	$0.00
Bank of New York Mellon Corp	31 Dec, 2025	-242,674	-8.35%	$0.00
UBS Group AG	31 Dec, 2025	-44,512	-15.09%	$0.00
World Investment Advisors	31 Dec, 2025	1,474	115.88%	$0.00
BROWN ADVISORY INC	31 Dec, 2025	-554,476	-22.20%	$0.00
Border to Coast Pensions Partnership Ltd	31 Dec, 2025	80,575	51.74%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	11,962	0.64%	$0.00
Point72 Asset Management, L.P.	31 Dec, 2025	-424,216	-64.35%	$0.00
GENERATION INVESTMENT MANAGEMENT LLP	31 Dec, 2025	585,855	60.03%	$0.00
LGT Group Foundation	31 Dec, 2025	-4,498	-2.15%	$0.00
Morgan Stanley	31 Dec, 2025	53,229	3.60%	$0.00

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