West Pharmaceutical Services Inc
WST- Exchange
- NYSE
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0000105770
In the last 90 days, West Pharmaceutical Services Inc insiders filed 0 open-market purchases and 2 sales; 833 institutions reported holding it in 13F filings for Q2 2026, worth $25.2B in total; Gates Foundation Trust is the only superinvestor holding it.
13F holders, Q2 2026
Institutional positions in West Pharmaceutical Services Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 833
- +87 vs. Q1 2026
- Shares held
- 70.5M
- −608.2K (−0.9%) vs. Q1 2026
- Total value
- $25.2B
- +$7.48B (+42.1%) vs. Q1 2026
- New holders
- 149
- 304 more added
- Sold out
- 62
- 260 more reduced
9 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting WST on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 833 | $25.2B |
| Q1 2026 | 755 | $17.8B |
| Q4 2025 | 804 | $19.1B |
| Q3 2025 | 758 | $18.0B |
| Q2 2025 | 733 | $15.3B |
| Q1 2025 | 715 | $15.6B |
| Q4 2024 | 747 | $22.9B |
| Q3 2024 | 733 | $20.5B |
| Q2 2024 | 778 | $22.4B |
| Q1 2024 | 778 | $27.0B |
| Q4 2023 | 784 | $24.1B |
| Q3 2023 | 759 | $25.8B |
| Q2 2023 | 735 | $26.0B |
| Q1 2023 | 698 | $24.0B |
| Q4 2022 | 638 | $16.3B |
| Q3 2022 | 638 | $16.9B |
| Q2 2022 | 657 | $20.6B |
| Q1 2022 | 718 | $28.2B |
| Q4 2021 | 731 | $32.2B |
| Q3 2021 | 672 | $28.5B |
| Q2 2021 | 641 | $24.7B |
| Q1 2021 | 591 | $19.3B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding West Pharmaceutical Services Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Marshall Wace, LLP | 83,578 | $30.0M | 0.03% | +82,005+5,213.3% | Added |
| Boston Trust Walden Corp | 81,231 | $29.2M | 0.22% | +81,231 | New |
| RMB Capital Management, LLC | 75,808 | $27.2M | 0.42% | +3,642+5.0% | Added |
| OrbiMed Advisors LLC | 70,600 | $25.3M | 0.48% | +70,600 | New |
| LPL Financial LLC | 67,793 | $24.3M | 0.01% | +1,940+2.9% | Added |
| Clough Capital Partners L P | 66,400 | $23.8M | 1.94% | +66,400 | New |
| Fifth Third Bancorp | 65,285 | $23.4M | 0.04% | −61−0.1% | Reduced |
| Assenagon Asset Management S.A. | 64,754 | $23.2M | 0.03% | −72,807−52.9% | Reduced |
| CI Private Wealth, LLC | 64,490 | $23.2M | 0.03% | +5,161+8.7% | Added |
| State Board of Administration of Florida Retirement System | 64,484 | $23.1M | 0.04% | −1,228−1.9% | Reduced |
| Aviva PLC | 63,477 | $22.8M | 0.03% | +91+0.1% | Added |
| North Growth Management Ltd. | 62,000 | $22.4M | 2.88% | 00.0% | Unchanged |
| Assetmark, Inc | 62,265 | $22.4M | 0.04% | +51,666+487.5% | Added |
| Standard Life Aberdeen plc | 61,351 | $22.0M | 0.03% | −7,725−11.2% | Reduced |
| Blair William & Co | 61,152 | $22.0M | 0.06% | −1,314−2.1% | Reduced |
| Adage Capital Partners GP, L.L.C. | 59,007 | $21.2M | 0.03% | −5,200−8.1% | Reduced |
| Public Employees Retirement Association of Colorado | 57,395 | $20.6M | 0.07% | +8,700+17.9% | Added |
| AQR Capital Management LLC | 57,609 | $20.3M | 0.01% | −209,335−78.4% | Reduced |
| New York State Teachers Retirement System | 55,023 | $19.8M | 0.04% | −5,500−9.1% | Reduced |
| Great West Life Assurance Co | 53,733 | $19.3M | 0.03% | +3,437+6.8% | Added |
| Alliancebernstein L.P. | 76,356 | $19.1M | 0.01% | −10,945−12.5% | Reduced |
| Credit Agricole S A | 52,687 | $18.9M | 0.05% | −13,939−20.9% | Reduced |
| Ossiam | 52,586 | $18.9M | 0.25% | +52,586 | New |
| National Bank of Canada | 51,983 | $18.7M | 0.02% | +2,347+4.7% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 51,049 | $18.3M | 0.03% | +2,790+5.8% | Added |
| Janney Montgomery Scott LLC | 50,176 | $18.0M | 0.03% | +50,176 | New |
| Natixis Advisors, L.P. | 49,906 | $17.9M | 0.02% | −12,666−20.2% | Reduced |
| Handelsbanken Fonder AB | 49,193 | $17.7M | 0.05% | −8,535−14.8% | Reduced |
| STRS Ohio | 49,078 | $17.6M | 0.07% | +47,366+2,766.7% | Added |
| Tredje AP-fonden | 48,615 | $17.5M | 0.08% | +21,358+78.4% | Added |
| Baird Financial Group, Inc. | 46,908 | $16.8M | 0.02% | −10,379−18.1% | Reduced |
| Balyasny Asset Management LLC | 45,766 | $16.4M | 0.03% | +44,645+3,982.6% | Added |
| Vident Advisory, LLC | 45,454 | $16.3M | 0.12% | +1,850+4.2% | Added |
| Grace & White Inc | 43,530 | $15.6M | 2.47% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 43,423 | $15.6M | 0.03% | +4,896+12.7% | Added |
| Manufacturers Life Insurance Company, The | 43,187 | $15.5M | 0.01% | −4,171−8.8% | Reduced |
| Public Employees Retirement System of Ohio | 41,640 | $14.9M | 0.04% | +20,805+99.9% | Added |
| Thrivent Financial for Lutherans | 41,398 | $14.9M | 0.02% | −12,241−22.8% | Reduced |
| New York State Common Retirement Fund | 40,899 | $14.7M | 0.02% | −648−1.6% | Reduced |
| Kempen Capital Management N.V. | 40,796 | $14.6M | 0.11% | −10,705−20.8% | Reduced |
| Neuberger Berman Group LLC | 40,366 | $14.5M | 0.01% | −141,487−77.8% | Reduced |
| GW&K Investment Management, LLC | 39,863 | $14.3M | 0.11% | −841−2.1% | Reduced |
| Fred Alger Management, LLC | 39,457 | $14.2M | 0.05% | +3,515+9.8% | Added |
| Pictet Asset Management Holding SA | 38,205 | $13.7M | 0.01% | −5,985−13.5% | Reduced |
| Ameriprise Financial Inc | 38,080 | $13.7M | 0.00% | −1,175−3.0% | Reduced |
| McCollum Christoferson Group LLC | 64,183 | $13.3M | 3.89% | −1,423−2.2% | Reduced |
| Vanguard Investments Australia, Ltd. | 36,598 | $13.1M | 0.03% | +911+2.6% | Added |
| Nisa Investment Advisors, LLC | 36,430 | $13.1M | 0.04% | −323−0.9% | Reduced |
| Capitolis Liquid Global Markets LLC | 35,520 | $12.8M | 0.06% | +35,520 | New |
| Mitsubishi UFJ Trust & Banking Corp | 34,853 | $12.5M | 0.03% | +779+2.3% | Added |
| Man Group plc | 34,669 | $12.4M | 0.02% | −44,980−56.5% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 34,114 | $12.2M | 0.03% | −1,329−3.7% | Reduced |
| Korea Investment CORP | 33,088 | $11.9M | 0.02% | −32,915−49.9% | Reduced |
| Cresset Asset Management, LLC | 32,643 | $11.7M | 0.04% | +1,598+5.1% | Added |
| Dakota Wealth Management | 32,568 | $11.7M | 0.22% | +32,568 | New |
| Toroso Investments, LLC | 32,535 | $11.7M | 0.03% | +11,205+52.5% | Added |
| Danske Bank A/S | 32,429 | $11.6M | 0.02% | +1,181+3.8% | Added |
| State of Tennessee, Treasury Department | 32,366 | $11.6M | 0.03% | +24,332+302.9% | Added |
| Yousif Capital Management, LLC | 32,023 | $11.5M | 0.13% | +763+2.4% | Added |
| Swiss Life Asset Management Ltd | 31,799 | $11.4M | 0.05% | +10,131+46.8% | Added |
| Nan Shan Life Insurance Co., Ltd. | 31,216 | $11.2M | 0.35% | −78,651−71.6% | Reduced |
| Alyeska Investment Group, L.P. | 31,000 | $11.1M | 0.03% | +31,000 | New |
| Franklin Resources Inc | 30,978 | $11.1M | 0.00% | +19,322+165.8% | Added |
| Renaissance Technologies LLC | 30,900 | $11.1M | 0.02% | −178,760−85.3% | Reduced |
| ExodusPoint Capital Management, LP | 30,860 | $11.1M | 0.10% | +4,046+15.1% | Added |
| Andra AP-fonden | 30,737 | $11.0M | 0.13% | −24,270−44.1% | Reduced |
| Stifel Financial Corp | 30,229 | $10.9M | 0.01% | −6,141−16.9% | Reduced |
| Treasurer of the State of North Carolina | 29,785 | $10.7M | 0.03% | −860−2.8% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 29,600 | $10.6M | 0.05% | −1,000−3.3% | Reduced |
| Ensign Peak Advisors, Inc | 29,576 | $10.6M | 0.02% | +1,167+4.1% | Added |
| Resona Asset Management Co.,Ltd. | 29,287 | $10.5M | 0.05% | −1,801−5.8% | Reduced |
| Truist Financial Corp | 29,089 | $10.4M | 0.01% | +4,677+19.2% | Added |
| BLI - Banque de Luxembourg Investments | 29,125 | $10.4M | 0.37% | −20,775−41.6% | Reduced |
| KLP Kapitalforvaltning AS | 28,820 | $10.3M | 0.03% | +1,300+4.7% | Added |
| The PNC Financial Services Group, Inc. | 28,388 | $10.2M | 0.01% | +980+3.6% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 27,963 | $10.0M | 0.01% | +27,520+6,212.2% | Added |
| Victory Capital Management Inc | 27,803 | $9.98M | 0.01% | +397+1.4% | Added |
| Madison Asset Management, LLC | 27,574 | $9.90M | 0.12% | +27,574 | New |
| Wiley Bros.-Aintree Capital, LLC | 27,370 | $9.84M | 0.04% | +4,317+18.7% | Added |
| Empowered Funds, LLC | 27,152 | $9.75M | 0.05% | +24,435+899.3% | Added |
| Bank of Nova Scotia | 26,814 | $9.63M | 0.01% | −38,509−59.0% | Reduced |
| Cramer Rosenthal McGlynn LLC | 26,270 | $9.43M | 0.48% | +26,270 | New |
| Blue Zone Wealth Advisors, LLC | 25,839 | $9.28M | 1.62% | −3,229−11.1% | Reduced |
| Oppenheimer Asset Management Inc. | 25,370 | $9.11M | 0.09% | −1,827−6.7% | Reduced |
| Robeco Institutional Asset Management B.V. | 24,952 | $8.96M | 0.01% | −5,130−17.1% | Reduced |
| Mediolanum International Funds Ltd | 24,994 | $8.86M | 0.08% | +6,877+38.0% | Added |
| Wasatch Advisors Inc | 24,670 | $8.86M | 0.06% | +24,670 | New |
| Nykredit A/S | 24,456 | $8.78M | 0.03% | +24,456 | New |
| Pathstone Holdings, LLC | 24,202 | $8.70M | 0.03% | +606+2.6% | Added |
| Cetera Investment Advisers | 23,974 | $8.61M | 0.01% | −84−0.3% | Reduced |
| Tudor Investment Corp Et Al | 23,851 | $8.56M | 0.04% | −41,564−63.5% | Reduced |
| State of New Jersey Common Pension Fund D | 23,365 | $8.39M | 0.03% | −1,533−6.2% | Reduced |
| Unisphere Establishment | 23,200 | $8.33M | 0.07% | −6,300−21.4% | Reduced |
| Canada Pension Plan Investment Board | 23,070 | $8.28M | 0.00% | −112,300−83.0% | Reduced |
| FIL Ltd | 23,044 | $8.27M | 0.01% | −2,395−9.4% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 22,998 | $8.26M | 0.04% | −445−1.9% | Reduced |
| Cullen/Frost Bankers, Inc. | 22,640 | $8.13M | 0.08% | +22,640 | New |
| Mirae Asset Global Investments Co., Ltd. | 21,896 | $7.86M | 0.01% | +983+4.7% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 21,847 | $7.84M | 0.18% | +21,847 | New |
| Toronto Dominion Bank | 21,624 | $7.76M | 0.01% | +403+1.9% | Added |