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; 834 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, Q4 2025
Institutional positions in West Pharmaceutical Services Inc as of Dec 31, 2025. 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
- 804
- +59 vs. Q3 2025
- Shares held
- 69.5M
- +754.2K (+1.1%) vs. Q3 2025
- Total value
- $19.1B
- +$1.11B (+6.2%) vs. Q3 2025
- New holders
- 115
- 269 more added
- Sold out
- 56
- 290 more reduced
13 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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 | 834 | $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, Q4 2025
Shares, value and share of portfolio for each institution holding West Pharmaceutical Services Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Illinois Municipal Retirement Fund | 20,463 | $5.63M | 0.07% | +1,415+7.4% | Added |
| Wiley Bros.-Aintree Capital, LLC | 20,446 | $5.63M | 0.03% | +14,753+259.1% | Added |
| M&T Bank Corp | 20,455 | $5.63M | 0.02% | −170−0.8% | Reduced |
| Dark Forest Capital Management LP | 20,131 | $5.54M | 0.25% | +19,028+1,725.1% | Added |
| Arizona State Retirement System | 19,737 | $5.43M | 0.03% | −1,512−7.1% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 19,610 | $5.40M | 0.05% | −300−1.5% | Reduced |
| Motley Fool Wealth Management, LLC | 19,477 | $5.36M | 0.42% | −5,468−21.9% | Reduced |
| State of Michigan Retirement System | 19,456 | $5.35M | 0.03% | −700−3.5% | Reduced |
| Motley Fool Asset Management LLC | 19,166 | $5.27M | 0.21% | −1,386−6.7% | Reduced |
| ICICI Prudential Asset Management Co Ltd | 19,118 | $5.26M | 0.62% | −21,520−53.0% | Reduced |
| Czech National Bank | 18,970 | $5.22M | 0.03% | +707+3.9% | Added |
| Campbell & CO Investment Adviser LLC | 18,597 | $5.12M | 0.25% | +18,597 | New |
| Fisher Asset Management, LLC | 18,576 | $5.11M | 0.00% | −3,373−15.4% | Reduced |
| Sterling Capital Management LLC | 18,548 | $5.10M | 0.08% | −1,714−8.5% | Reduced |
| USS Investment Management Ltd | 18,486 | $5.09M | 0.03% | +1,619+9.6% | Added |
| Cramer Rosenthal McGlynn LLC | 18,387 | $5.06M | 0.33% | +18,387 | New |
| CWM, LLC | 18,230 | $5.02M | 0.01% | +1,101+6.4% | Added |
| Susquehanna International Group, LLP | 17,684 | $4.87M | 0.01% | +9,345+112.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 17,438 | $4.80M | 0.01% | +1,999+12.9% | Added |
| Cerity Partners LLC | 17,285 | $4.76M | 0.01% | +2,993+20.9% | Added |
| MetLife Investment Management | 17,241 | $4.74M | 0.02% | −594−3.3% | Reduced |
| CIBC Asset Management Inc | 16,956 | $4.67M | 0.01% | +6,915+68.9% | Added |
| Apella Capital, LLC | 16,831 | $4.63M | 0.09% | +80.0% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 16,734 | $4.60M | 0.02% | −533−3.1% | Reduced |
| Macquarie Group Ltd | 16,629 | $4.57M | 0.02% | −12,839−43.6% | Reduced |
| ExodusPoint Capital Management, LP | 16,568 | $4.56M | 0.05% | +16,568 | New |
| Daiwa Securities Group Inc. | 16,528 | $4.55M | 0.01% | +2,903+21.3% | Added |
| Tobam | 15,995 | $4.40M | 1.08% | −343−2.1% | Reduced |
| Forsta Ap-Fonden | 15,980 | $4.40M | 0.03% | −120−0.7% | Reduced |
| Wellington Management Group LLP | 15,860 | $4.36M | 0.00% | +1,241+8.5% | Added |
| Prudential PLC | 15,598 | $4.29M | 0.03% | −12,508−44.5% | Reduced |
| Aquatic Capital Management LLC | 15,314 | $4.21M | 0.12% | +15,314 | New |
| Retirement Systems of Alabama | 15,304 | $4.21M | 0.01% | −34−0.2% | Reduced |
| Nordea Investment Management AB | 14,950 | $4.12M | 0.00% | +4,477+42.7% | Added |
| Bank of Nova Scotia | 14,921 | $4.11M | 0.01% | −7,228−32.6% | Reduced |
| ING Groep NV | 14,853 | $4.09M | 0.02% | −17,581−54.2% | Reduced |
| First Trust Advisors LP | 14,784 | $4.07M | 0.00% | −11,726−44.2% | Reduced |
| Syntegra Private Wealth Group, LLC | 14,756 | $4.06M | 0.37% | 00.0% | Unchanged |
| SummitTX Capital, L.P. | 14,621 | $4.02M | 0.12% | +14,621 | New |
| DnB Asset Management AS | 14,447 | $3.97M | 0.01% | +975+7.2% | Added |
| PensionDanmark Pensionsforsikringsaktieselskab | 14,280 | $3.93M | 0.04% | +14,280 | New |
| Voya Investment Management LLC | 14,215 | $3.91M | 0.00% | −2,160−13.2% | Reduced |
| Worldquant Millennium Advisors LLC | 14,193 | $3.91M | 0.02% | −169,477−92.3% | Reduced |
| IFM Investors Pty Ltd | 13,730 | $3.78M | 0.03% | +49+0.4% | Added |
| Amalgamated Bank | 13,600 | $3.74M | 0.03% | −23−0.2% | Reduced |
| Brendel Financial Advisors LLC | 13,599 | $3.74M | 1.84% | +13,599 | New |
| Skandinaviska Enskilda Banken AB (publ) | 13,232 | $3.64M | 0.01% | −262−1.9% | Reduced |
| Endowment Wealth Management, Inc. | 13,219 | $3.64M | 1.67% | +11+0.1% | Added |
| William Allan, LLC | 13,163 | $3.62M | 2.05% | −659−4.8% | Reduced |
| Assetmark, Inc | 12,993 | $3.57M | 0.01% | −1,951−13.1% | Reduced |
| Employees Retirement System of Texas | 12,966 | $3.57M | 0.03% | +766+6.3% | Added |
| Robeco Institutional Asset Management B.V. | 12,879 | $3.54M | 0.01% | +6,433+99.8% | Added |
| British Columbia Investment Management Corp | 12,730 | $3.50M | 0.02% | +2,404+23.3% | Added |
| Fideuram Asset Management (Ireland) dac | 12,436 | $3.46M | 0.28% | +12,436 | New |
| Summit Financial, LLC | 12,553 | $3.45M | 0.05% | −745−5.6% | Reduced |
| MML Investors Services, LLC | 12,338 | $3.39M | 0.01% | −1,264−9.3% | Reduced |
| Quantbot Technologies LP | 12,024 | $3.31M | 0.11% | +12,024 | New |
| Magnetar Financial LLC | 11,918 | $3.28M | 0.03% | +11,918 | New |
| Clear Harbor Asset Management, LLC | 11,897 | $3.27M | 0.22% | −1,145−8.8% | Reduced |
| Utah Retirement Systems | 11,813 | $3.25M | 0.03% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 11,427 | $3.14M | 0.04% | +8,692+317.8% | Added |
| JustInvest LLC | 11,240 | $3.09M | 0.03% | +16+0.1% | Added |
| Ilmarinen Mutual Pension Insurance Co | 11,000 | $3.03M | 0.02% | +11,000 | New |
| Meiji Yasuda Asset Management Co Ltd. | 10,995 | $3.03M | 0.15% | +182+1.7% | Added |
| Police & Firemen's Retirement System of New Jersey | 10,966 | $3.02M | 0.03% | −541−4.7% | Reduced |
| Xponance, Inc. | 10,902 | $3.00M | 0.02% | +652+6.4% | Added |
| Y-Intercept (Hong Kong) Ltd | 10,667 | $2.93M | 0.07% | +10,667 | New |
| Elo Mutual Pension Insurance Co | 10,578 | $2.91M | 0.04% | +10,578 | New |
| Acadian Asset Management LLC | 10,601 | $2.91M | 0.00% | +190+1.8% | Added |
| Swedbank AB | 10,423 | $2.87M | 0.00% | 00.0% | Unchanged |
| New York Life Investment Management LLC | 10,405 | $2.86M | 0.02% | −72−0.7% | Reduced |
| Omers Administration Corp | 10,327 | $2.84M | 0.02% | +7,684+290.7% | Added |
| Hilton Capital Management, LLC | 10,267 | $2.82M | 0.21% | +992+10.7% | Added |
| Tredje AP-fonden | 10,183 | $2.80M | 0.02% | −1,168−10.3% | Reduced |
| Woodline Partners LP | 10,088 | $2.78M | 0.01% | −242,128−96.0% | Reduced |
| CIBC World Markets Corp | 10,006 | $2.75M | 0.01% | +10,006 | New |
| Colony Group, LLC | 9,972 | $2.74M | 0.00% | +4,585+85.1% | Added |
| Candriam Luxembourg S.C.A. | 9,877 | $2.72M | 0.01% | +4,847+96.4% | Added |
| Janus Henderson Group PLC | 9,841 | $2.71M | 0.00% | +142+1.5% | Added |
| Azzad Asset Management Inc | 9,825 | $2.70M | 0.27% | −621−5.9% | Reduced |
| Northwest & Ethical Investments L.P. | 9,728 | $2.68M | 0.06% | +334+3.6% | Added |
| Park Avenue Securities LLC | 9,724 | $2.68M | 0.02% | −188−1.9% | Reduced |
| Nissay Asset Management Corp | 9,612 | $2.64M | 0.01% | −188−1.9% | Reduced |
| Rakuten Investment Management, Inc. | 9,576 | $2.64M | 0.01% | −84,493−89.8% | Reduced |
| Davenport & Co LLC | 9,521 | $2.62M | 0.01% | +8,078+559.8% | Added |
| ASR Vermogensbeheer N.V. | 9,513 | $2.62M | 0.03% | −82−0.9% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 9,470 | $2.61M | 0.00% | +131+1.4% | Added |
| Fifth Third Bancorp | 9,412 | $2.59M | 0.01% | −1,943−17.1% | Reduced |
| Public Sector Pension Investment Board | 9,400 | $2.59M | 0.01% | +3,098+49.2% | Added |
| Bridgefront Capital, LLC | 9,348 | $2.57M | 0.65% | +9,348 | New |
| UniSuper Management Pty Ltd | 9,309 | $2.56M | 0.02% | −1,970−17.5% | Reduced |
| National Pension Service | 9,158 | $2.52M | 0.00% | +5,178+130.1% | Added |
| Regions Financial Corp | 9,153 | $2.52M | 0.02% | −1,441−13.6% | Reduced |
| Brevan Howard Capital Management LP | 9,108 | $2.51M | 0.05% | +8,325+1,063.2% | Added |
| Hillman Capital Management, Inc. | 8,906 | $2.45M | 1.54% | −1,367−13.3% | Reduced |
| Advisor Group Holdings, Inc. | 8,891 | $2.45M | 0.00% | −4,436−33.3% | Reduced |
| HB Wealth Management, LLC | 8,850 | $2.43M | 0.02% | −3,325−27.3% | Reduced |
| Keybank National Association | 8,844 | $2.43M | 0.01% | −936−9.6% | Reduced |
| CWM Advisors, LLC | 8,750 | $2.41M | 0.22% | +248+2.9% | Added |
| Bryn Mawr Trust Co | 8,705 | $2.40M | 0.06% | 00.0% | Unchanged |