West Pharmaceutical Services Inc (WST) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

72,709,867Shares Outstanding

1,405,357Shares held by institutions

$341,768,769Value of institutional holdings

92.36%Institutional ownership %

1.69%Shares Changed QoQ

762No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 762 institutions have reported a stake in West Pharmaceutical Services Inc (NYSE:WST) as of December 2025, according to recent 13F filings with the SEC.

The percentage of West Pharmaceutical Services owned by institutions changed from 95.1% in September 2025 to 92.4% in December 2025, marking a slight down trend.
On a quarter-over-quarter basis, institutional holdings shifted by 1.69%, with a year-over-year an increase of 3.39% in the count of filers.
During the quarter, 362 institutions bought more West Pharmaceutical Services shares, 276 sold shares, and 124 of the 762 total investors held their position steady.
The total number of shares held by institutions in West Pharmaceutical Services increased to 67.15Mn as of December 2025, a net change of up by 1.12Mn shares quarter on quarter, and down 2.41Mn shares year over year.
The top institutional stake in West Pharmaceutical Services as of December 31, 2025 belongs to VANGUARD GROUP INC, which owns 9.54Mn shares, or 13.12% of the company.
Among the most significant buyers of West Pharmaceutical Services during December 2025 were NORGES BANK (988.74K), Longview Partners (Guernsey) LTD (778.89K), GENERATION INVESTMENT MANAGEMENT LLP (585.86K), VIKING GLOBAL INVESTORS LP (295.03K), JACOBS LEVY EQUITY MANAGEMENT, INC (229.91K).
Leading sellers of West Pharmaceutical Services stock in December 2025 included VAN ECK ASSOCIATES CORP (708.79K), BROWN ADVISORY INC (554.48K), CITADEL ADVISORS LLC (481.90K), Point72 Asset Management, L.P. (424.22K), Bank of New York Mellon Corp (242.67K).
The top 10 institutional holders of West Pharmaceutical Services for the quarter ending December 2025 included VANGUARD GROUP INC (9.54Mn), BlackRock, Inc. (6.60Mn), STATE STREET CORP (3.25Mn), Artisan Partners Limited Partnership (2.85Mn), Bank of New York Mellon Corp (2.66Mn), BROWN ADVISORY INC (1.94Mn), GEODE CAPITAL MANAGEMENT, LLC (1.87Mn), GENERATION INVESTMENT MANAGEMENT LLP (1.56Mn), MORGAN STANLEY (1.53Mn), APG Asset Management N.V. (1.20Mn).

762 Institutional Holders

1,405,357 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	9,539,173	-165,775	-1.71%	$2,624,608,060.00
BlackRock, Inc.	31 Dec, 2025	6,599,735	143,874	2.23%	$1,815,851,080.00
STATE STREET CORP	31 Dec, 2025	3,252,020	44,109	1.38%	$894,760,783.00
Artisan Partners Limited Partnership	31 Dec, 2025	2,850,401	79,481	2.87%	$784,259,419.00
Bank of New York Mellon Corp	31 Dec, 2025	2,662,035	-242,674	-8.35%	$732,432,196.00
BROWN ADVISORY INC	31 Dec, 2025	1,943,606	-554,476	-22.20%	$534,770,720.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,869,086	11,962	0.64%	$512,249,725.00
GENERATION INVESTMENT MANAGEMENT LLP	31 Dec, 2025	1,561,869	585,855	60.03%	$429,732,636.00
MORGAN STANLEY	31 Dec, 2025	1,531,858	53,229	3.60%	$421,476,429.00
APG Asset Management N.V.	31 Dec, 2025	1,199,005	-214,693	-15.19%	$280,892,533.00
Longview Partners (Guernsey) LTD	31 Dec, 2025	1,131,026	778,887	221.19%	$311,190,494.00
NORGES BANK	31 Dec, 2025	988,737	988,737	0.00%	$272,041,098.00
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC	31 Dec, 2025	955,149	-82,945	-7.99%	$262,799,913.00
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	31 Dec, 2025	905,656	20,420	2.31%	$249,182,191.00
FRANKLIN RESOURCES INC	31 Dec, 2025	888,252	-77,679	-8.04%	$244,393,655.00
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	792,676	91,261	13.01%	$218,097.00
NORTHERN TRUST CORP	31 Dec, 2025	726,512	-18,379	-2.47%	$199,892,511.00
VAN ECK ASSOCIATES CORP	31 Dec, 2025	716,087	-708,792	-49.74%	$197,025.00
Findlay Park Partners LLP	31 Dec, 2025	666,926	-135,180	-16.85%	$183,498,020.00
JACOBS LEVY EQUITY MANAGEMENT, INC	31 Dec, 2025	639,561	229,913	56.12%	$175,968,814.00

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