EXTON, PA
WEST PHARMACEUTICAL SERVICES INCWST— Latest position per institution from SEC 13F filings
15
Institutional holders
58.30M
Total shares held
19.14B
Estimated value
2.92M
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
6.65M
Value
2.39B
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
4.61M
Value
1.66B
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
4.02M
Value
1.44B
Filed
Jun 30, 2026
FMR LLC
CIK 315066
Shares
3.57M
Value
1.28B
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
3.35M
Value
1.20B
Filed
Jun 30, 2026
ARTISAN PARTNERS LIMITED PARTNERSHIP
CIK 1466153
Shares
2.41M
Value
865.83M
Filed
Jun 30, 2026
BANK OF NEW YORK MELLON CORP
CIK 1390777
Shares
2.04M
Value
733.73M
Filed
Jun 30, 2026
GENERATION INVESTMENT MANAGEMENT LLP
CIK 1375534
Shares
2.03M
Value
728.17M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.90M
Value
680.55M
Filed
Jun 30, 2026
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
CIK 1897612
Shares
1.81M
Value
648K
Filed
Jun 30, 2026
MORGAN STANLEY
CIK 895421
Shares
1.58M
Value
568.14M
Filed
Jun 30, 2026
DURABLE CAPITAL PARTNERS LP
CIK 1798849
Shares
1.17M
Value
307.60M
Filed
Sep 30, 2025
JPMORGAN CHASE & CO
CIK 19617
Shares
1.16M
Value
413.03M
Filed
Jun 30, 2026
BROWN ADVISORY INC
CIK 1345929
Shares
1.08M
Value
386.04M
Filed
Jun 30, 2026
LONGVIEW PARTNERS (GUERNSEY) LTD
CIK 1426092
Shares
1.03M
Value
371.14M
Filed
Jun 30, 2026
INVESCO LTD.
CIK 914208
Shares
1.01M
Value
362.54M
Filed
Jun 30, 2026
UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC
CIK 861177
Shares
884.87K
Value
317.67M
Filed
Jun 30, 2026
NORGES BANK
CIK 1374170
Shares
862.91K
Value
309.79M
Filed
Jun 30, 2026
| # | 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 | 6.65M | 2.39B | Jun 30, 2026 |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 4.61M | 1.66B | Jun 30, 2026 |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 4.02M | 1.44B | Jun 30, 2026 |
| 6 | FMR LLC | 315066 | 3.57M | 1.28B | Jun 30, 2026 |
| 7 | STATE STREET CORP | 93751 | 3.35M | 1.20B | Jun 30, 2026 |
| 8 | ARTISAN PARTNERS LIMITED PARTNERSHIP | 1466153 | 2.41M | 865.83M | Jun 30, 2026 |
| 9 | BANK OF NEW YORK MELLON CORP | 1390777 | 2.04M | 733.73M | Jun 30, 2026 |
| 10 | GENERATION INVESTMENT MANAGEMENT LLP | 1375534 | 2.03M | 728.17M | Jun 30, 2026 |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.90M | 680.55M | Jun 30, 2026 |
| 12 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 1.81M | 648K | Jun 30, 2026 |
| 13 | MORGAN STANLEY | 895421 | 1.58M | 568.14M | Jun 30, 2026 |
| 14 | DURABLE CAPITAL PARTNERS LP | 1798849 | 1.17M | 307.60M | Sep 30, 2025 |
| 15 | JPMORGAN CHASE & CO | 19617 | 1.16M | 413.03M | Jun 30, 2026 |
| 16 | BROWN ADVISORY INC | 1345929 | 1.08M | 386.04M | Jun 30, 2026 |
| 17 | LONGVIEW PARTNERS (GUERNSEY) LTD | 1426092 | 1.03M | 371.14M | Jun 30, 2026 |
| 18 | INVESCO LTD. | 914208 | 1.01M | 362.54M | Jun 30, 2026 |
| 19 | UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC | 861177 | 884.87K | 317.67M | Jun 30, 2026 |
| 20 | NORGES BANK | 1374170 | 862.91K | 309.79M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.