Canonical: https://ownershiptrace.com/13f/companies/779

# Who owns WEST PHARMACEUTICAL SERVICES INC (WST)? Elite investor 13F holders

8 tracked elite investors reported holding WEST PHARMACEUTICAL SERVICES INC as of 2026-06-30, including Bill & Melinda Gates Foundation Trust, Renaissance Technologies LLC, Tudor Investment, Bridgewater Associates, D.E. Shaw. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

8 tracked investors currently reported holding · Latest report period: 2026-06-30 · Health Care · Health Care Equipment & Services

West Pharmaceutical Services, Inc. designs, manufactures, and sells containment and delivery systems for injectable drugs and healthcare products in the Americas, Europe, the Middle East, Africa, and the Asia Pacific. It operates in two segments, Proprietary Products and Contract-Manufactured Products. The Proprietary Products segment offers stoppers and seals for injectable packaging systems;…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [Bill & Melinda Gates Foundation Trust](https://ownershiptrace.com/13f/investors/7) | WEST PHARMACEUTICAL SVSC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 159575500.00 USD | 444500.000000 | Shares | hold | [Original filing](https://www.sec.gov/Archives/edgar/data/1166559/0001104659-26-097175-index.html) |
| [Viking Global Investors](https://ownershiptrace.com/13f/investors/81) | WEST PHARMACEUTICAL SVSC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1103804/0001103804-26-000006-index.html) |
| [Renaissance Technologies LLC](https://ownershiptrace.com/13f/investors/63) | WEST PHARMACEUTICAL SVSC INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 11093100.00 USD | 30900.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1037389/0001037389-26-000059-index.html) |
| [Tudor Investment](https://ownershiptrace.com/13f/investors/94675) | WEST PHARMACEUTICAL SVSC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 8562509.00 USD | 23851.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/923093/0000902664-26-003485-index.html) |
| [Bridgewater Associates](https://ownershiptrace.com/13f/investors/8) | WEST PHARMACEUTICAL SVSC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 3744011.00 USD | 10429.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1350694/0001350694-26-000003-index.html) |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | WEST PHARMACEUTICAL SVSC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 4627510.00 USD | 12890.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [Gotham Asset Management](https://ownershiptrace.com/13f/investors/94672) | WEST PHARMACEUTICAL SVSC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 4344259.00 USD | 12101.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1510387/0001398344-26-014644-index.html) |
| [Hillman Capital Management](https://ownershiptrace.com/13f/investors/43) | WEST PHARMACEUTICAL SVSC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 2551054.00 USD | 7106.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1314620/0001398344-26-014467-index.html) |
| [GMO](https://ownershiptrace.com/13f/investors/94674) | WEST PHARMACEUTICAL SVSC INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 2031940.00 USD | 5660.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/1352662/0001072613-26-000636-index.html) |
| [Ancora Advisors / Ancora Holdings](https://ownershiptrace.com/13f/investors/101) | WEST PHARMACEUTICAL SVSC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1446114/0001446114-26-000012-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

This public summary shows the default reporting scope. Enable JavaScript for interactive filters, charts, and additional rows.

[How to read the data](https://ownershiptrace.com/docs#reading-the-data) · [Disclaimer](https://ownershiptrace.com/disclaimer)
