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, Q1 2026
Institutional positions in West Pharmaceutical Services Inc as of Mar 31, 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
- 755
- −37 vs. Q4 2025
- Shares held
- 71.1M
- +12.2M (+20.8%) vs. Q4 2025
- Total value
- $17.8B
- +$1.62B (+10.0%) vs. Q4 2025
- New holders
- 89
- 265 more added
- Sold out
- 126
- 281 more reduced
12 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding West Pharmaceutical Services Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| GAMMA Investing LLC | 3,421 | $857.4K | 0.04% | +840+32.5% | Added |
| Maryland State Retirement & Pension System | 3,553 | $890.5K | 0.02% | 00.0% | Unchanged |
| Benjamin Edwards Inc | 3,602 | $902.7K | 0.01% | +194+5.7% | Added |
| United Capital Financial Advisers, LLC | 3,693 | $925.6K | 0.01% | +58+1.6% | Added |
| Louisiana State Employees Retirement System | 3,700 | $927.4K | 0.02% | 00.0% | Unchanged |
| Barbara Oil Co. | 3,700 | $927.4K | 0.36% | 00.0% | Unchanged |
| Umb Bank N A | 3,737 | $936.6K | 0.01% | +157+4.4% | Added |
| Allspring Global Investments Holdings, LLC | 3,724 | $941.2K | 0.00% | +15+0.4% | Added |
| Kinneret Advisory, LLC | 3,813 | $955.7K | 0.09% | −169−4.2% | Reduced |
| Norinchukin Bank, The | 3,928 | $984.5K | 0.01% | +18+0.5% | Added |
| National Pension Service | 3,970 | $995.0K | 0.00% | −5,188−56.6% | Reduced |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 4,020 | $1.01M | 0.34% | +3,950+5,642.9% | Added |
| Lido Advisors, LLC | 4,094 | $1.03M | 0.00% | +2,671+187.7% | Added |
| Hartford Investment Management Co | 4,112 | $1.03M | 0.03% | −49−1.2% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 4,116 | $1.03M | 0.01% | +1,206+41.4% | Added |
| Norden Group LLC | 4,168 | $1.04M | 0.10% | +382+10.1% | Added |
| Redwood Investment Management, LLC | 4,168 | $1.04M | 0.13% | +4,168 | New |
| Sanctuary Advisors, LLC | 4,190 | $1.05M | 0.01% | −700−14.3% | Reduced |
| Rockland Trust Co | 4,243 | $1.06M | 0.04% | −1,920−31.2% | Reduced |
| Advisors Capital Management, LLC | 4,270 | $1.07M | 0.01% | −237−5.3% | Reduced |
| Mizuho Securities USA LLC | 4,349 | $1.09M | 0.03% | −889−17.0% | Reduced |
| Glenmede Trust Co NA | 4,370 | $1.10M | 0.01% | +126+3.0% | Added |
| Brooktree Capital Management | 4,372 | $1.10M | 0.87% | −787−15.3% | Reduced |
| Mission Wealth Management, LP | 4,461 | $1.12M | 0.02% | +14+0.3% | Added |
| E. Ohman J:or Asset Management AB | 4,465 | $1.12M | 0.03% | +1,426+46.9% | Added |
| Oppenheimer & Co Inc | 4,514 | $1.13M | 0.01% | +20+0.4% | Added |
| Merit Financial Group, LLC | 4,533 | $1.14M | 0.01% | −1,040−18.7% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 4,625 | $1.14M | 0.00% | −3,795−45.1% | Reduced |
| Northwest & Ethical Investments L.P. | 4,706 | $1.18M | 0.03% | −5,022−51.6% | Reduced |
| Roundview Capital LLC | 4,785 | $1.20M | 0.07% | +981+25.8% | Added |
| Guggenheim Capital LLC | 4,803 | $1.20M | 0.01% | +2,219+85.9% | Added |
| Metis Global Partners, LLC | 4,866 | $1.22M | 0.03% | −1,839−27.4% | Reduced |
| Oddo BHF Asset Management SAS | 4,990 | $1.25M | 0.05% | +235+4.9% | Added |
| Bright Rock Capital Management, LLC | 5,000 | $1.25M | 0.25% | 00.0% | Unchanged |
| First National Bank Sioux Falls | 4,727 | $1.28M | 0.35% | 00.0% | Unchanged |
| Ethic Inc. | 5,109 | $1.28M | 0.02% | −20−0.4% | Reduced |
| Laird Norton Trust Company, LLC | 5,131 | $1.29M | 0.03% | +530+11.5% | Added |
| Algert Global LLC | 5,140 | $1.29M | 0.02% | +5,140 | New |
| Investment Management Corp of Ontario | 5,142 | $1.29M | 0.02% | −1,407−21.5% | Reduced |
| HighTower Advisors, LLC | 5,220 | $1.31M | 0.00% | −279−5.1% | Reduced |
| CWM, LLC | 5,241 | $1.31M | 0.00% | −12,989−71.3% | Reduced |
| Commerce Bank | 5,289 | $1.33M | 0.01% | +202+4.0% | Added |
| Callan Family Office, LLC | 5,367 | $1.35M | 0.03% | −440−7.6% | Reduced |
| Wealthfront Advisers LLC | 5,503 | $1.38M | 0.00% | +24+0.4% | Added |
| Cypress Advisory Group LLC | 5,516 | $1.38M | 1.05% | −10−0.2% | Reduced |
| Rafferty Asset Management, LLC | 5,556 | $1.39M | 0.01% | −2,190−28.3% | Reduced |
| Gulf International Bank (UK) Ltd | 5,618 | $1.41M | 0.03% | +1,990+54.9% | Added |
| Teachers Retirement System of the State of Kentucky | 5,681 | $1.42M | 0.01% | 00.0% | Unchanged |
| Foundations Investment Advisors, LLC | 5,748 | $1.44M | 0.02% | −12−0.2% | Reduced |
| Caisse de Depot Et Placement du Quebec | 5,753 | $1.44M | 0.00% | +5,753 | New |
| Pacer Advisors, Inc. | 5,883 | $1.48M | 0.00% | −54−0.9% | Reduced |
| Captrust Financial Advisors | 6,155 | $1.54M | 0.00% | −1,033−14.4% | Reduced |
| Macquarie Group Ltd | 6,259 | $1.57M | 0.01% | −10,370−62.4% | Reduced |
| Intech Investment Management LLC | 6,309 | $1.58M | 0.02% | +1,061+20.2% | Added |
| Pallas Capital Advisors LLC | 6,359 | $1.59M | 0.06% | −987−13.4% | Reduced |
| Regions Financial Corp | 6,478 | $1.62M | 0.01% | −2,675−29.2% | Reduced |
| Mercer Global Advisors Inc | 6,501 | $1.63M | 0.00% | −2,128−24.7% | Reduced |
| HB Wealth Management, LLC | 6,567 | $1.65M | 0.01% | −2,283−25.8% | Reduced |
| Peninsula Asset Management Inc | 6,749 | $1.69M | 0.86% | −205−2.9% | Reduced |
| Atria Investments LLC | 6,870 | $1.72M | 0.02% | −374−5.2% | Reduced |
| Summit Trail Advisors, LLC | 6,920 | $1.73M | 0.02% | +1,136+19.6% | Added |
| Pinebridge Investments LLC | 7,009 | $1.76M | 0.01% | +7,009 | New |
| Generali Asset Management SPA SGR | 7,029 | $1.76M | 0.04% | +547+8.4% | Added |
| Gotham Asset Management, LLC | 7,066 | $1.77M | 0.01% | +5,324+305.6% | Added |
| MML Investors Services, LLC | 7,073 | $1.77M | 0.00% | −5,265−42.7% | Reduced |
| State of Alaska, Department of Revenue | 7,175 | $1.80M | 0.02% | 00.0% | Unchanged |
| Storebrand Asset Management AS | 7,239 | $1.81M | 0.01% | −402−5.3% | Reduced |
| Acadian Asset Management LLC | 7,322 | $1.83M | 0.00% | −3,279−30.9% | Reduced |
| US Bancorp | 7,332 | $1.84M | 0.00% | −1,336−15.4% | Reduced |
| OP Asset Management Ltd | 7,459 | $1.87M | 0.02% | −734−9.0% | Reduced |
| Avanza Fonder AB | 7,508 | $1.88M | 0.05% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 7,579 | $1.90M | 0.00% | −1,312−14.8% | Reduced |
| Mutual of America Capital Management LLC | 7,674 | $1.92M | 0.02% | −70−0.9% | Reduced |
| Crossmark Global Holdings, Inc. | 7,880 | $1.98M | 0.03% | +87+1.1% | Added |
| Weiss Asset Management LP | 7,924 | $1.99M | 0.04% | +7,924 | New |
| Susquehanna International Group, LLP | 7,926 | $1.99M | 0.00% | −9,758−55.2% | Reduced |
| Keybank National Association | 7,959 | $1.99M | 0.01% | −885−10.0% | Reduced |
| State of Tennessee, Treasury Department | 8,034 | $2.01M | 0.01% | −23,135−74.2% | Reduced |
| Salem Investment Counselors Inc | 8,053 | $2.02M | 0.06% | +1,492+22.7% | Added |
| Janus Henderson Group PLC | 8,172 | $2.05M | 0.00% | −1,669−17.0% | Reduced |
| Oregon Public Employees Retirement Fund | 8,247 | $2.07M | 0.03% | +18+0.2% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 8,295 | $2.08M | 0.02% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 8,620 | $2.16M | 0.05% | −85−1.0% | Reduced |
| Fox Run Management, L.L.C. | 9,055 | $2.22M | 0.39% | +5,261+138.7% | Added |
| Hillman Capital Management, Inc. | 8,906 | $2.23M | 1.55% | 00.0% | Unchanged |
| XTX Topco Ltd | 9,040 | $2.27M | 0.04% | +6,325+233.0% | Added |
| Davenport & Co LLC | 9,080 | $2.28M | 0.01% | −441−4.6% | Reduced |
| Candriam Luxembourg S.C.A. | 9,124 | $2.29M | 0.01% | −753−7.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 9,190 | $2.30M | 0.00% | −280−3.0% | Reduced |
| UniSuper Management Pty Ltd | 9,400 | $2.36M | 0.02% | +91+1.0% | Added |
| Allstate Corp | 9,409 | $2.36M | 0.03% | +4,144+78.7% | Added |
| Azzad Asset Management Inc | 9,545 | $2.39M | 0.24% | −280−2.8% | Reduced |
| KBC Group NV | 9,610 | $2.41M | 0.01% | −11,791−55.1% | Reduced |
| ASR Vermogensbeheer N.V. | 9,675 | $2.43M | 0.03% | +162+1.7% | Added |
| Colony Group, LLC | 9,617 | $2.44M | 0.00% | −355−3.6% | Reduced |
| CIBC World Markets Inc. | 9,790 | $2.45M | 0.00% | +5,527+129.7% | Added |
| Nissay Asset Management Corp | 9,802 | $2.46M | 0.01% | +190+2.0% | Added |
| NEOS Investment Management LLC | 9,815 | $2.46M | 0.01% | +5,562+130.8% | Added |
| British Columbia Investment Management Corp | 9,916 | $2.49M | 0.01% | −2,814−22.1% | Reduced |
| JustInvest LLC | 10,013 | $2.51M | 0.02% | −1,227−10.9% | Reduced |