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 |
|---|---|---|---|---|---|
| Sumitomo Mitsui DS Asset Management Company, Ltd | 8,295 | $2.28M | 0.02% | +251+3.1% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 8,420 | $2.33M | 0.01% | −3,072−26.7% | Reduced |
| Mercer Global Advisors Inc | 8,629 | $2.37M | 0.00% | +509+6.3% | Added |
| US Bancorp | 8,668 | $2.39M | 0.00% | −1,162−11.8% | Reduced |
| Bryn Mawr Trust Co | 8,705 | $2.40M | 0.06% | 00.0% | Unchanged |
| CWM Advisors, LLC | 8,750 | $2.41M | 0.22% | +248+2.9% | Added |
| Keybank National Association | 8,844 | $2.43M | 0.01% | −936−9.6% | Reduced |
| HB Wealth Management, LLC | 8,850 | $2.43M | 0.02% | −3,325−27.3% | Reduced |
| Advisor Group Holdings, Inc. | 8,891 | $2.45M | 0.00% | −4,436−33.3% | Reduced |
| Hillman Capital Management, Inc. | 8,906 | $2.45M | 1.54% | −1,367−13.3% | Reduced |
| Brevan Howard Capital Management LP | 9,108 | $2.51M | 0.05% | +8,325+1,063.2% | Added |
| Regions Financial Corp | 9,153 | $2.52M | 0.02% | −1,441−13.6% | Reduced |
| National Pension Service | 9,158 | $2.52M | 0.00% | +5,178+130.1% | Added |
| UniSuper Management Pty Ltd | 9,309 | $2.56M | 0.02% | −1,970−17.5% | Reduced |
| Bridgefront Capital, LLC | 9,348 | $2.57M | 0.65% | +9,348 | New |
| Public Sector Pension Investment Board | 9,400 | $2.59M | 0.01% | +3,098+49.2% | Added |
| Fifth Third Bancorp | 9,412 | $2.59M | 0.01% | −1,943−17.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 9,470 | $2.61M | 0.00% | +131+1.4% | Added |
| ASR Vermogensbeheer N.V. | 9,513 | $2.62M | 0.03% | −82−0.9% | Reduced |
| Davenport & Co LLC | 9,521 | $2.62M | 0.01% | +8,078+559.8% | Added |
| Rakuten Investment Management, Inc. | 9,576 | $2.64M | 0.01% | −84,493−89.8% | Reduced |
| Nissay Asset Management Corp | 9,612 | $2.64M | 0.01% | −188−1.9% | Reduced |
| Park Avenue Securities LLC | 9,724 | $2.68M | 0.02% | −188−1.9% | Reduced |
| Northwest & Ethical Investments L.P. | 9,728 | $2.68M | 0.06% | +334+3.6% | Added |
| Azzad Asset Management Inc | 9,825 | $2.70M | 0.27% | −621−5.9% | Reduced |
| Janus Henderson Group PLC | 9,841 | $2.71M | 0.00% | +142+1.5% | Added |
| Candriam Luxembourg S.C.A. | 9,877 | $2.72M | 0.01% | +4,847+96.4% | Added |
| Colony Group, LLC | 9,972 | $2.74M | 0.00% | +4,585+85.1% | Added |
| CIBC World Markets Corp | 10,006 | $2.75M | 0.01% | +10,006 | New |
| Woodline Partners LP | 10,088 | $2.78M | 0.01% | −242,128−96.0% | Reduced |
| Tredje AP-fonden | 10,183 | $2.80M | 0.02% | −1,168−10.3% | Reduced |
| Hilton Capital Management, LLC | 10,267 | $2.82M | 0.21% | +992+10.7% | Added |
| Omers Administration Corp | 10,327 | $2.84M | 0.02% | +7,684+290.7% | Added |
| New York Life Investment Management LLC | 10,405 | $2.86M | 0.02% | −72−0.7% | Reduced |
| Swedbank AB | 10,423 | $2.87M | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 10,601 | $2.91M | 0.00% | +190+1.8% | Added |
| Elo Mutual Pension Insurance Co | 10,578 | $2.91M | 0.04% | +10,578 | New |
| Y-Intercept (Hong Kong) Ltd | 10,667 | $2.93M | 0.07% | +10,667 | New |
| Xponance, Inc. | 10,902 | $3.00M | 0.02% | +652+6.4% | Added |
| Police & Firemen's Retirement System of New Jersey | 10,966 | $3.02M | 0.03% | −541−4.7% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 10,995 | $3.03M | 0.15% | +182+1.7% | Added |
| Ilmarinen Mutual Pension Insurance Co | 11,000 | $3.03M | 0.02% | +11,000 | New |
| JustInvest LLC | 11,240 | $3.09M | 0.03% | +16+0.1% | Added |
| Engineers Gate Manager LP | 11,427 | $3.14M | 0.04% | +8,692+317.8% | Added |
| Utah Retirement Systems | 11,813 | $3.25M | 0.03% | 00.0% | Unchanged |
| Clear Harbor Asset Management, LLC | 11,897 | $3.27M | 0.22% | −1,145−8.8% | Reduced |
| Magnetar Financial LLC | 11,918 | $3.28M | 0.03% | +11,918 | New |
| Quantbot Technologies LP | 12,024 | $3.31M | 0.11% | +12,024 | New |
| MML Investors Services, LLC | 12,338 | $3.39M | 0.01% | −1,264−9.3% | Reduced |
| Summit Financial, LLC | 12,553 | $3.45M | 0.05% | −745−5.6% | Reduced |
| Fideuram Asset Management (Ireland) dac | 12,436 | $3.46M | 0.28% | +12,436 | New |
| British Columbia Investment Management Corp | 12,730 | $3.50M | 0.02% | +2,404+23.3% | Added |
| Robeco Institutional Asset Management B.V. | 12,879 | $3.54M | 0.01% | +6,433+99.8% | Added |
| Employees Retirement System of Texas | 12,966 | $3.57M | 0.03% | +766+6.3% | Added |
| Assetmark, Inc | 12,993 | $3.57M | 0.01% | −1,951−13.1% | Reduced |
| William Allan, LLC | 13,163 | $3.62M | 2.05% | −659−4.8% | Reduced |
| Endowment Wealth Management, Inc. | 13,219 | $3.64M | 1.67% | +11+0.1% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 13,232 | $3.64M | 0.01% | −262−1.9% | Reduced |
| Brendel Financial Advisors LLC | 13,599 | $3.74M | 1.84% | +13,599 | New |
| Amalgamated Bank | 13,600 | $3.74M | 0.03% | −23−0.2% | Reduced |
| IFM Investors Pty Ltd | 13,730 | $3.78M | 0.03% | +49+0.4% | Added |
| Worldquant Millennium Advisors LLC | 14,193 | $3.91M | 0.02% | −169,477−92.3% | Reduced |
| Voya Investment Management LLC | 14,215 | $3.91M | 0.00% | −2,160−13.2% | Reduced |
| PensionDanmark Pensionsforsikringsaktieselskab | 14,280 | $3.93M | 0.04% | +14,280 | New |
| DnB Asset Management AS | 14,447 | $3.97M | 0.01% | +975+7.2% | Added |
| SummitTX Capital, L.P. | 14,621 | $4.02M | 0.12% | +14,621 | New |
| Syntegra Private Wealth Group, LLC | 14,756 | $4.06M | 0.37% | 00.0% | Unchanged |
| First Trust Advisors LP | 14,784 | $4.07M | 0.00% | −11,726−44.2% | Reduced |
| ING Groep NV | 14,853 | $4.09M | 0.02% | −17,581−54.2% | Reduced |
| Bank of Nova Scotia | 14,921 | $4.11M | 0.01% | −7,228−32.6% | Reduced |
| Nordea Investment Management AB | 14,950 | $4.12M | 0.00% | +4,477+42.7% | Added |
| Retirement Systems of Alabama | 15,304 | $4.21M | 0.01% | −34−0.2% | Reduced |
| Aquatic Capital Management LLC | 15,314 | $4.21M | 0.12% | +15,314 | New |
| Prudential PLC | 15,598 | $4.29M | 0.03% | −12,508−44.5% | Reduced |
| Wellington Management Group LLP | 15,860 | $4.36M | 0.00% | +1,241+8.5% | Added |
| Forsta Ap-Fonden | 15,980 | $4.40M | 0.03% | −120−0.7% | Reduced |
| Tobam | 15,995 | $4.40M | 1.08% | −343−2.1% | Reduced |
| Daiwa Securities Group Inc. | 16,528 | $4.55M | 0.01% | +2,903+21.3% | Added |
| ExodusPoint Capital Management, LP | 16,568 | $4.56M | 0.05% | +16,568 | New |
| Macquarie Group Ltd | 16,629 | $4.57M | 0.02% | −12,839−43.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 16,734 | $4.60M | 0.02% | −533−3.1% | Reduced |
| Apella Capital, LLC | 16,831 | $4.63M | 0.09% | +80.0% | Added |
| CIBC Asset Management Inc | 16,956 | $4.67M | 0.01% | +6,915+68.9% | Added |
| MetLife Investment Management | 17,241 | $4.74M | 0.02% | −594−3.3% | Reduced |
| Cerity Partners LLC | 17,285 | $4.76M | 0.01% | +2,993+20.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 17,438 | $4.80M | 0.01% | +1,999+12.9% | Added |
| Susquehanna International Group, LLP | 17,684 | $4.87M | 0.01% | +9,345+112.1% | Added |
| CWM, LLC | 18,230 | $5.02M | 0.01% | +1,101+6.4% | Added |
| Cramer Rosenthal McGlynn LLC | 18,387 | $5.06M | 0.33% | +18,387 | New |
| USS Investment Management Ltd | 18,486 | $5.09M | 0.03% | +1,619+9.6% | Added |
| Sterling Capital Management LLC | 18,548 | $5.10M | 0.08% | −1,714−8.5% | Reduced |
| Fisher Asset Management, LLC | 18,576 | $5.11M | 0.00% | −3,373−15.4% | Reduced |
| Campbell & CO Investment Adviser LLC | 18,597 | $5.12M | 0.25% | +18,597 | New |
| Czech National Bank | 18,970 | $5.22M | 0.03% | +707+3.9% | Added |
| ICICI Prudential Asset Management Co Ltd | 19,118 | $5.26M | 0.62% | −21,520−53.0% | Reduced |
| Motley Fool Asset Management LLC | 19,166 | $5.27M | 0.21% | −1,386−6.7% | Reduced |
| State of Michigan Retirement System | 19,456 | $5.35M | 0.03% | −700−3.5% | Reduced |
| Motley Fool Wealth Management, LLC | 19,477 | $5.36M | 0.42% | −5,468−21.9% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 19,610 | $5.40M | 0.05% | −300−1.5% | Reduced |
| Arizona State Retirement System | 19,737 | $5.43M | 0.03% | −1,512−7.1% | Reduced |