West Pharmaceutical Services (WST) Superinvestor holders
25 of the superinvestors we track hold West Pharmaceutical Services (WST) in their latest 13F filings, $2.4B in total.
Summary
The largest holder is Artisan Partners, with $866M, 1.4% of the portfolio.
In their latest quarter: 4 opened a new position, 7 added, 13 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| Artisan Partners | Trimmed | 2,411,792 | $866M | 1.4% | Q2 2026 |
| David Blood Generation Investment Management |
Trimmed | 2,028,322 | $728M | 7.1% | Q2 2026 |
| Bill Gates Gates Foundation Trust |
Held | 444,500 | $160M | 0.5% | Q2 2026 |
| Arrowstreet Capital | Trimmed | 438,718 | $157M | 0.1% | Q2 2026 |
| Steve Cohen Point72 Asset Management |
Added | 283,396 | $102M | 0.2% | Q2 2026 |
| Brandon Haley Holocene Advisors |
Added | 275,421 | $99M | 0.2% | Q2 2026 |
| Ron Baron Baron Capital (BAMCO) |
Trimmed | 164,174 | $59M | 0.1% | Q2 2026 |
| Conestoga Conestoga Capital Advisors |
Trimmed | 101,475 | $38M | 1.1% | Q3 2026 |
| Paul Marshall Marshall Wace |
Added | 83,578 | $30M | 0.0% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Trimmed | 57,609 | $20M | 0.0% | Q2 2026 |
| Alger Fred Alger Management |
Added | 39,457 | $14M | 0.0% | Q2 2026 |
| Man Group Man Group plc |
Trimmed | 34,669 | $12M | 0.0% | Q2 2026 |
| Wasatch Wasatch Global Investors |
Added | 31,777 | $12M | 0.1% | Q3 2026 |
| Jim Simons Renaissance Technologies |
Trimmed | 30,900 | $11M | 0.0% | Q2 2026 |
| Ensign Peak Ensign Peak Advisors |
Added | 29,576 | $11M | 0.0% | Q2 2026 |
| Paul Tudor Jones Tudor Investment Corp |
Trimmed | 23,851 | $9M | 0.0% | Q2 2026 |
| Two Sigma Two Sigma Investments |
Trimmed | 18,227 | $7M | 0.0% | Q2 2026 |
| David Shaw D. E. Shaw & Co. |
Trimmed | 12,890 | $5M | 0.0% | Q2 2026 |
| Joel Greenblatt Gotham Asset Management |
Added | 12,101 | $4M | 0.0% | Q2 2026 |
| Ray Dalio Bridgewater Associates |
Trimmed | 10,429 | $4M | 0.0% | Q2 2026 |
| Peter Muller PDT Partners |
New position | 9,332 | $3M | 0.2% | Q2 2026 |
| Jeremy Grantham GMO |
New position | 5,660 | $2M | 0.0% | Q2 2026 |
| Ken Tropin Graham Capital Management |
New position | 1,794 | $644,046 | 0.0% | Q2 2026 |
| Aziz Hamzaogullari Loomis Sayles & Co |
New position | 1,521 | $546,039 | 0.0% | Q2 2026 |
| Ken Fisher Fisher Investments |
Trimmed | 614 | $227,686 | 0.0% | Q3 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 26 |
| Q1 2026 | 23 |
| Q4 2025 | 28 |
| Q3 2025 | 24 |
| Q2 2025 | 24 |
| Q1 2025 | 19 |
| Q4 2024 | 18 |
| Q3 2024 | 19 |
Questions about West Pharmaceutical Services
Which superinvestors own West Pharmaceutical Services?
25 of the superinvestors we track hold West Pharmaceutical Services (WST) in their latest 13F filings, $2.4B in total. Artisan Partners, David Blood, Bill Gates, Arrowstreet Capital, Steve Cohen, Brandon Haley.
Who is the largest superinvestor holder of WST?
The largest holder is Artisan Partners, with $866M, 1.4% of the portfolio.
From West Pharmaceutical Services's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.