Who Owns WST?
West Pharmaceutical Services, Inc. — Institutional Ownership & 13F Holdings
$297.11
+1.75 (+0.59%)
Market Cap
$20.9B
Shares Outstanding
70,647,600
Institutional Holders
699
Total Inst. Value
$128.1B
% of Float Held
96.4%
QoQ Holder Change
+132
Institutional data as of Q1 2025
New Positions
148
Closed Positions
112
Increased
242
Decreased
237
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | GATES FOUNDATION TRUSTNew | $99.5B | 444,500 |
| 2 | CANADA PENSION PLAN INVESTMENT BOARD | $13.8B | 61,805 |
| 3 | VANGUARD GROUP INC | $2.1B | 9,231,721 |
| 4 | BlackRock, Inc. | $1.6B | 6,930,119 |
| 5 | Bank of New York Mellon Corp | $755.7M | 3,375,321 |
| 6 | BROWN ADVISORY INC | $731.7M | 3,268,478 |
| 7 | STATE STREET CORP | $717.2M | 3,203,536 |
| 8 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $664.2M | 2,967 |
| 9 | Artisan Partners Limited Partnership | $491.5M | 2,195,483 |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $413.7M | 1,853,693 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| GATES FOUNDATION TRUSTNew | +445K | $99.5B |
| VANGUARD GROUP INC | +244K | $2.1B |
| BROWN ADVISORY INC | +716K | $731.7M |
| GEODE CAPITAL MANAGEMENT, LLC | +75K | $413.7M |
| Durable Capital Partners LP | +936K | $352.2M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| ALLIANCEBERNSTEIN L.P. | -2.5M | $17.9M |
| Artisan Partners Limited Partnership | -915K | $491.5M |
| BlackRock, Inc. | -521K | $1.6B |
| PRICE T ROWE ASSOCIATES INC /MD/ | -371K | $34.6M |
| FMR LLC | -352K | $165.4M |
Related Stocks
Frequently Asked Questions
How many institutional investors hold WST?
As of Q1 2025, 699 institutional investors report holding WST (West Pharmaceutical Services, Inc.) in their 13F filings.
What percentage of West Pharmaceutical Services, Inc. is owned by institutions?
Institutional investors hold approximately 96.4% of West Pharmaceutical Services, Inc.'s float as reported in SEC 13F filings.
Which hedge fund owns the most WST?
The largest institutional holder of WST is GATES FOUNDATION TRUST with $99.5B in shares.
Are institutions buying or selling WST?
This quarter, 148 institutions opened new positions in WST and 112 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.