West Pharmaceutical Services
WST · US
West Pharmaceutical Services is held by 5 of the 24 tracked investors in their latest 13F filings. The largest position is Norges Bank's at $310M, 0.03% of that portfolio. Versus the prior quarter, 1 added, 3 trimmed and 0 bought new. In the last 90 days insiders sold 1 times ($2.7M) and bought 0 times on the open market.
Big investors holding this stock
Latest 13F of the 24 tracked investors. Common shares only.
| Investor | Value ($) | vs prior quarter |
|---|---|---|
| Norges Bank weight 0.03% · Q2 2026 |
310M | ▼ 13% |
| Gates Foundation Trust weight 0.46% · Q2 2026 |
160M | – |
| National Pension Service (Korea) weight 0.03% · Q2 2026 |
45.3M | ▲ 32× |
| Korea Investment Corporation weight 0.02% · Q2 2026 |
11.9M | ▼ 50% |
| Bridgewater Associates weight 0.02% · Q2 2026 |
3.7M | ▼ 55% |
Insider trades (90 days)
SEC Form 4| Insider | Trade | Amount ($) |
|---|---|---|
| Favorite Annette F Sr. VP & Chief HR Officer · 9/15 |
Sell Plan | 2.7M |
Questions
Which big investors own West Pharmaceutical Services?
Norges Bank ($310M), Gates Foundation Trust ($160M), National Pension Service (Korea) ($45.3M), Korea Investment Corporation ($11.9M), Bridgewater Associates ($3.7M), per their latest 13F filings.
Does Warren Buffett own West Pharmaceutical Services?
Berkshire Hathaway did not report it in its latest 13F.
Does Korea's National Pension Service own West Pharmaceutical Services?
Yes, $45.3M as of 2026-06-30 (0.03% of its US holdings).
Have West Pharmaceutical Services insiders been selling?
1 open-market sales ($2.7M) and 0 purchases in the last 90 days; 1 of the sales were under pre-arranged 10b5-1 plans.
Restated and computed from SEC (13F, 13D/G, Form 4) and DART filings and NPS public data. Filings describe a past date and may differ from current holdings (13F: quarter end, up to 45 days later). Not investment advice.
Sources: SEC EDGAR, DART, data.go.kr (NPS), OpenFIGI. See Methodology for how figures are computed.