EXTON, PA
WEST PHARMACEUTICAL SERVICES INCWST— Latest position per institution from SEC 13F filings
15
Institutional holders
58.73M
Total shares held
14.65B
Estimated value
2.94M
Avg. position size
VANGUARD GROUP INC
CIK 102909
Shares
9.54M
Value
2.62B
Filed
Dec 31, 2025
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
7.58M
Value
2.50B
Filed
Jun 30, 2024
BLACKROCK, INC.
CIK 2012383
Shares
6.84M
Value
1.71B
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
4.68M
Value
1.17B
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
4.09M
Value
1.03B
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
3.29M
Value
825.55M
Filed
Mar 31, 2026
ARTISAN PARTNERS LIMITED PARTNERSHIP
CIK 1466153
Shares
2.66M
Value
666.17M
Filed
Mar 31, 2026
BANK OF NEW YORK MELLON CORP
CIK 1390777
Shares
2.47M
Value
618.04M
Filed
Mar 31, 2026
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
CIK 1897612
Shares
2.34M
Value
586.60K
Filed
Mar 31, 2026
GENERATION INVESTMENT MANAGEMENT LLP
CIK 1375534
Shares
2.24M
Value
562.43M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.91M
Value
477.53M
Filed
Mar 31, 2026
MORGAN STANLEY
CIK 895421
Shares
1.46M
Value
365.50M
Filed
Mar 31, 2026
BROWN ADVISORY INC
CIK 1345929
Shares
1.34M
Value
336.08M
Filed
Mar 31, 2026
LONGVIEW PARTNERS (GUERNSEY) LTD
CIK 1426092
Shares
1.32M
Value
329.69M
Filed
Mar 31, 2026
APG ASSET MANAGEMENT N.V.
CIK 1434819
Shares
1.27M
Value
275.67M
Filed
Mar 31, 2026
FMR LLC
CIK 315066
Shares
1.25M
Value
313.24M
Filed
Mar 31, 2026
WCM INVESTMENT MANAGEMENT, LLC
CIK 1061186
Shares
1.24M
Value
310.58K
Filed
Sep 30, 2022
DURABLE CAPITAL PARTNERS LP
CIK 1798849
Shares
1.17M
Value
307.60M
Filed
Sep 30, 2025
INVESCO LTD.
CIK 914208
Shares
1.06M
Value
264.68M
Filed
Mar 31, 2026
NORGES BANK
CIK 1374170
Shares
988.74K
Value
272.04M
Filed
Dec 31, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | 102909 | 9.54M | 2.62B | Dec 31, 2025 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 7.58M | 2.50B | Jun 30, 2024 |
| 3 | BLACKROCK, INC. | 2012383 | 6.84M | 1.71B | Mar 31, 2026 |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 4.68M | 1.17B | Mar 31, 2026 |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 4.09M | 1.03B | Mar 31, 2026 |
| 6 | STATE STREET CORP | 93751 | 3.29M | 825.55M | Mar 31, 2026 |
| 7 | ARTISAN PARTNERS LIMITED PARTNERSHIP | 1466153 | 2.66M | 666.17M | Mar 31, 2026 |
| 8 | BANK OF NEW YORK MELLON CORP | 1390777 | 2.47M | 618.04M | Mar 31, 2026 |
| 9 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 2.34M | 586.60K | Mar 31, 2026 |
| 10 | GENERATION INVESTMENT MANAGEMENT LLP | 1375534 | 2.24M | 562.43M | Mar 31, 2026 |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.91M | 477.53M | Mar 31, 2026 |
| 12 | MORGAN STANLEY | 895421 | 1.46M | 365.50M | Mar 31, 2026 |
| 13 | BROWN ADVISORY INC | 1345929 | 1.34M | 336.08M | Mar 31, 2026 |
| 14 | LONGVIEW PARTNERS (GUERNSEY) LTD | 1426092 | 1.32M | 329.69M | Mar 31, 2026 |
| 15 | APG ASSET MANAGEMENT N.V. | 1434819 | 1.27M | 275.67M | Mar 31, 2026 |
| 16 | FMR LLC | 315066 | 1.25M | 313.24M | Mar 31, 2026 |
| 17 | WCM INVESTMENT MANAGEMENT, LLC | 1061186 | 1.24M | 310.58K | Sep 30, 2022 |
| 18 | DURABLE CAPITAL PARTNERS LP | 1798849 | 1.17M | 307.60M | Sep 30, 2025 |
| 19 | INVESCO LTD. | 914208 | 1.06M | 264.68M | Mar 31, 2026 |
| 20 | NORGES BANK | 1374170 | 988.74K | 272.04M | Dec 31, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.