WEST PHARMACEUTICAL SERVICES INC

PublicCIK: 105770
WSTNYSE
Location

EXTON, PA

13F Filings

Institutional Holders

WEST PHARMACEUTICAL SERVICES INCWST— Latest position per institution from SEC 13F filings

15

Institutional holders

98.38M

Total shares held

18.51B

Estimated value

4.92M

Avg. position size

1

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

CIK 1081019

Shares

40.59M

Value

113.07K

Filed

Jun 30, 2026

2

VANGUARD GROUP INC

CIK 102909

Shares

9.54M

Value

2.62B

Filed

Dec 31, 2025

3

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

7.58M

Value

2.50B

Filed

Jun 30, 2024

4

BLACKROCK, INC.

CIK 2012383

Shares

6.65M

Value

2.39B

Filed

Jun 30, 2026

5

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

4.61M

Value

1.66B

Filed

Jun 30, 2026

6

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

4.02M

Value

1.44B

Filed

Jun 30, 2026

7

FMR LLC

CIK 315066

Shares

3.57M

Value

1.28B

Filed

Jun 30, 2026

8

STATE STREET CORP

CIK 93751

Shares

3.35M

Value

1.20B

Filed

Jun 30, 2026

9

ARTISAN PARTNERS LIMITED PARTNERSHIP

CIK 1466153

Shares

2.41M

Value

865.83M

Filed

Jun 30, 2026

10

BANK OF NEW YORK MELLON CORP

CIK 1390777

Shares

2.04M

Value

733.73M

Filed

Jun 30, 2026

11

GENERATION INVESTMENT MANAGEMENT LLP

CIK 1375534

Shares

2.03M

Value

728.17M

Filed

Jun 30, 2026

12

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

1.90M

Value

680.55M

Filed

Jun 30, 2026

13

T. ROWE PRICE INVESTMENT MANAGEMENT, INC.

CIK 1897612

Shares

1.81M

Value

648K

Filed

Jun 30, 2026

14

MORGAN STANLEY

CIK 895421

Shares

1.58M

Value

568.14M

Filed

Jun 30, 2026

15

WCM INVESTMENT MANAGEMENT, LLC

CIK 1061186

Shares

1.24M

Value

310.58K

Filed

Sep 30, 2022

16

DURABLE CAPITAL PARTNERS LP

CIK 1798849

Shares

1.17M

Value

307.60M

Filed

Sep 30, 2025

17

JPMORGAN CHASE & CO

CIK 19617

Shares

1.16M

Value

413.03M

Filed

Jun 30, 2026

18

BROWN ADVISORY INC

CIK 1345929

Shares

1.08M

Value

386.04M

Filed

Jun 30, 2026

19

LONGVIEW PARTNERS (GUERNSEY) LTD

CIK 1426092

Shares

1.03M

Value

371.14M

Filed

Jun 30, 2026

20

INVESCO LTD.

CIK 914208

Shares

1.01M

Value

362.54M

Filed

Jun 30, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.