WSTWest Pharmaceutical Services

$366.17+44% 1Y

Who owns WST

815 institutions reported holding WST for 2026Q2, together 97% of the company, more than the 740 a quarter earlier.

815

Institutions reporting a position · as of 2026Q2 · up from 740 the quarter before

Shares held by institutions
70.1M

Shares held by institutions · 97% of the company · long US equity positions only, as reported on Form 13F

Reported value
$25.1B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
35%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
146
Positions exited
72
Added to
271
Reduced
240
Top 10 holdersof the company
48%
Shares sold shortsettled Sep 15, 2026
2.4M
Short interestof shares outstanding
3.3%
Days to coverat the average daily volume
4.5
Change in the short positionsince the Aug 31, 2026 count
+8.3%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q281570.1M$25.1B
2026Q174070.8M$17.7B
2025Q479169.3M$19.0B
2025Q374768.3M$17.9B
2025Q272169.6M$15.2B
2025Q170269.4M$15.5B
2024Q473669.5M$22.7B
2024Q371868.3M$20.4B
2024Q276768.0M$22.3B
2024Q176268.2M$26.9B
2023Q476968.4M$24.0B
2023Q374068.1M$25.6B
2023Q271667.8M$25.9B
2023Q167669.2M$23.9B
2022Q462669.1M$16.3B
2022Q363268.4M$16.8B
Largest reported holders, 2026Q2
HolderShares% of companyValue
VANGUARD GROUP INC9.4M13%$3.36B
BlackRock Inc.6.7M9.2%$2.39B
FMR LLC3.6M4.9%$1.28B
STATE STREET CORP3.3M4.6%$1.20B
Artisan Partners Limited Partnership2.4M3.3%$866M
Bank of New York Mellon Corp2.0M2.8%$734M
GENERATION INVESTMENT MANAGEMENT LLP2.0M2.8%$728M
GEODE CAPITAL MANAGEMENT LLC1.9M2.6%$681M
T. Rowe Price Investment Management, Inc.1.8M2.5%$648M
MORGAN STANLEY1.6M2.2%$568M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20262.4M3.3%4.5
Aug 31, 20262.2M3.0%4.9
Aug 14, 20262.1M2.9%4.1
Jul 31, 20262.5M3.5%2.5
Jul 15, 20262.4M3.3%3.6
Jun 30, 20262.3M3.2%2.3
Jun 15, 20262.3M3.2%3.5
May 29, 20262.3M3.2%3.4
May 15, 20262.3M3.2%2.6
Apr 30, 20262.4M3.4%2.1
Apr 15, 20262.7M3.7%3.6
Mar 31, 20262.9M4.0%3.2

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

opening the register…
On our screens:Stocks with no debt