West Pharmaceutical
WST
730 hedge funds and large institutions have $15.3B invested in West Pharmaceutical in 2025 Q2 according to their latest regulatory filings, with 103 funds opening new positions, 269 increasing their positions, 264 reducing their positions, and 80 closing their positions.
161% more call options, than puts
Call options by funds: $80M | Put options by funds: $30.7M
29% more first-time investments, than exits
New positions opened: 103 | Existing positions closed: 80
2% more funds holding
Funds holding: 713 → 730 (+17)
2% more repeat investments, than reductions
Existing positions increased: 269 | Existing positions reduced: 264
0.86% more ownership
Funds ownership: 96.64% → 97.49% (+0.86%)
2% less capital invested
Capital invested by funds: $15.6B → $15.3B (-$338M)
67% less funds holding in top 10
Funds holding in top 10: 3 → 1 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
GIM
Generation Investment Management
London,
United Kingdom
|
+$249M |
| 2 |
Jacobs Levy Equity Management
Florham Park,
New Jersey
|
+$60M |
| 3 |
ProShare Advisors
Bethesda,
Maryland
|
+$50.3M |
| 4 |
Amundi
Paris,
France
|
+$48.9M |
| 5 |
Point72 Asset Management
Stamford,
Connecticut
|
+$45.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$136M |
| 2 |
DCP
Durable Capital Partners
Bethesda,
Maryland
|
-$114M |
| 3 |
Franklin Resources
San Mateo,
California
|
-$97.6M |
| 4 |
JP Morgan Chase
New York
|
-$93M |
| 5 |
Capital Research Global Investors
Los Angeles,
California
|
-$87.5M |
WST Hedge Fund Activity: Q2 2025 in Review
730 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in West Pharmaceutical (WST) for Q2 2025, worth a combined $15.3B — down 2.2% from $15.6B a quarter earlier.
Buyers outnumbered sellers: 103 funds opened new WST positions and 80 closed out — a net gain of 23 holders — while 269 added to existing stakes and 264 trimmed.
The largest buyer was Generation Investment Management, opening a new position worth an estimated $249M. The largest seller was Fidelity Investments, cutting an estimated $136M.
- 730 institutional investors held West Pharmaceutical (WST) as of Q2 2025, up from 713 in Q1 2025.
- Funds reported $15.3B of West Pharmaceutical stock for Q2 2025, down 2.2% quarter-over-quarter.
- 103 funds opened new West Pharmaceutical positions in Q2 2025 and 80 closed out, a net change of +23 holders.
- The largest West Pharmaceutical buyer in Q2 2025 was Generation Investment Management, an estimated $249M added.
- The largest West Pharmaceutical seller in Q2 2025 was Fidelity Investments, an estimated $136M sold.
Based on aggregated 13F filings for Q2 2025.