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 |
|---|---|---|---|---|---|
| Pallas Capital Advisors LLC | 6,359 | $1.59M | 0.06% | −987−13.4% | Reduced |
| Intech Investment Management LLC | 6,309 | $1.58M | 0.02% | +1,061+20.2% | Added |
| Macquarie Group Ltd | 6,259 | $1.57M | 0.01% | −10,370−62.4% | Reduced |
| Captrust Financial Advisors | 6,155 | $1.54M | 0.00% | −1,033−14.4% | Reduced |
| Pacer Advisors, Inc. | 5,883 | $1.48M | 0.00% | −54−0.9% | Reduced |
| Caisse de Depot Et Placement du Quebec | 5,753 | $1.44M | 0.00% | +5,753 | New |
| Foundations Investment Advisors, LLC | 5,748 | $1.44M | 0.02% | −12−0.2% | Reduced |
| Teachers Retirement System of the State of Kentucky | 5,681 | $1.42M | 0.01% | 00.0% | Unchanged |
| Gulf International Bank (UK) Ltd | 5,618 | $1.41M | 0.03% | +1,990+54.9% | Added |
| Rafferty Asset Management, LLC | 5,556 | $1.39M | 0.01% | −2,190−28.3% | Reduced |
| Cypress Advisory Group LLC | 5,516 | $1.38M | 1.05% | −10−0.2% | Reduced |
| Wealthfront Advisers LLC | 5,503 | $1.38M | 0.00% | +24+0.4% | Added |
| Callan Family Office, LLC | 5,367 | $1.35M | 0.03% | −440−7.6% | Reduced |
| Commerce Bank | 5,289 | $1.33M | 0.01% | +202+4.0% | Added |
| CWM, LLC | 5,241 | $1.31M | 0.00% | −12,989−71.3% | Reduced |
| HighTower Advisors, LLC | 5,220 | $1.31M | 0.00% | −279−5.1% | Reduced |
| Investment Management Corp of Ontario | 5,142 | $1.29M | 0.02% | −1,407−21.5% | Reduced |
| Algert Global LLC | 5,140 | $1.29M | 0.02% | +5,140 | New |
| Laird Norton Trust Company, LLC | 5,131 | $1.29M | 0.03% | +530+11.5% | Added |
| Ethic Inc. | 5,109 | $1.28M | 0.02% | −20−0.4% | Reduced |
| First National Bank Sioux Falls | 4,727 | $1.28M | 0.35% | 00.0% | Unchanged |
| Bright Rock Capital Management, LLC | 5,000 | $1.25M | 0.25% | 00.0% | Unchanged |
| Oddo BHF Asset Management SAS | 4,990 | $1.25M | 0.05% | +235+4.9% | Added |
| Metis Global Partners, LLC | 4,866 | $1.22M | 0.03% | −1,839−27.4% | Reduced |
| Guggenheim Capital LLC | 4,803 | $1.20M | 0.01% | +2,219+85.9% | Added |
| Roundview Capital LLC | 4,785 | $1.20M | 0.07% | +981+25.8% | Added |
| Northwest & Ethical Investments L.P. | 4,706 | $1.18M | 0.03% | −5,022−51.6% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 4,625 | $1.14M | 0.00% | −3,795−45.1% | Reduced |
| Merit Financial Group, LLC | 4,533 | $1.14M | 0.01% | −1,040−18.7% | Reduced |
| Oppenheimer & Co Inc | 4,514 | $1.13M | 0.01% | +20+0.4% | Added |
| E. Ohman J:or Asset Management AB | 4,465 | $1.12M | 0.03% | +1,426+46.9% | Added |
| Mission Wealth Management, LP | 4,461 | $1.12M | 0.02% | +14+0.3% | Added |
| Brooktree Capital Management | 4,372 | $1.10M | 0.87% | −787−15.3% | Reduced |
| Glenmede Trust Co NA | 4,370 | $1.10M | 0.01% | +126+3.0% | Added |
| Mizuho Securities USA LLC | 4,349 | $1.09M | 0.03% | −889−17.0% | Reduced |
| Advisors Capital Management, LLC | 4,270 | $1.07M | 0.01% | −237−5.3% | Reduced |
| Rockland Trust Co | 4,243 | $1.06M | 0.04% | −1,920−31.2% | Reduced |
| Sanctuary Advisors, LLC | 4,190 | $1.05M | 0.01% | −700−14.3% | Reduced |
| Redwood Investment Management, LLC | 4,168 | $1.04M | 0.13% | +4,168 | New |
| Norden Group LLC | 4,168 | $1.04M | 0.10% | +382+10.1% | Added |
| B. Metzler seel. Sohn & Co. AG | 4,116 | $1.03M | 0.01% | +1,206+41.4% | Added |
| Hartford Investment Management Co | 4,112 | $1.03M | 0.03% | −49−1.2% | Reduced |
| Lido Advisors, LLC | 4,094 | $1.03M | 0.00% | +2,671+187.7% | Added |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 4,020 | $1.01M | 0.34% | +3,950+5,642.9% | Added |
| National Pension Service | 3,970 | $995.0K | 0.00% | −5,188−56.6% | Reduced |
| Norinchukin Bank, The | 3,928 | $984.5K | 0.01% | +18+0.5% | Added |
| Kinneret Advisory, LLC | 3,813 | $955.7K | 0.09% | −169−4.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 3,724 | $941.2K | 0.00% | +15+0.4% | Added |
| Umb Bank N A | 3,737 | $936.6K | 0.01% | +157+4.4% | 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 |
| United Capital Financial Advisers, LLC | 3,693 | $925.6K | 0.01% | +58+1.6% | Added |
| Benjamin Edwards Inc | 3,602 | $902.7K | 0.01% | +194+5.7% | Added |
| Maryland State Retirement & Pension System | 3,553 | $890.5K | 0.02% | 00.0% | Unchanged |
| GAMMA Investing LLC | 3,421 | $857.4K | 0.04% | +840+32.5% | Added |
| Welch & Forbes LLC | 3,413 | $855.4K | 0.01% | +552+19.3% | Added |
| Tokio Marine Asset Management Co Ltd | 3,378 | $846.7K | 0.03% | +54+1.6% | Added |
| Heritage Investment Group, Inc. | 3,372 | $845.2K | 0.13% | 00.0% | Unchanged |
| Sequoia Financial Advisors, LLC | 3,325 | $833.4K | 0.00% | −379−10.2% | Reduced |
| New Mexico Educational Retirement Board | 3,300 | $827.0K | 0.03% | 00.0% | Unchanged |
| Tema ETFs LLC | 3,273 | $820.3K | 0.06% | +14+0.4% | Added |
| Gibbs Wealth Management | 3,216 | $806.1K | 0.11% | +414+14.8% | Added |
| Engineers Gate Manager LP | 3,215 | $805.8K | 0.01% | −8,212−71.9% | Reduced |
| Bridgefront Capital, LLC | 3,196 | $801.0K | 0.20% | −6,152−65.8% | Reduced |
| Meiji Yasuda Life Insurance Co | 3,173 | $795.3K | 0.03% | +1,472+86.5% | Added |
| Lecap Asset Management Ltd | 3,121 | $782.2K | 0.29% | +867+38.5% | Added |
| Verdence Capital Advisors LLC | 3,091 | $774.7K | 0.05% | −251−7.5% | Reduced |
| Inspire Advisors, LLC | 3,083 | $772.9K | 0.06% | +929+43.1% | Added |
| Aigen Investment Management, LP | 3,060 | $767.0K | 0.20% | +3,060 | New |
| Federation des caisses Desjardins du Quebec | 3,041 | $762.2K | 0.00% | +607+24.9% | Added |
| Commonwealth Equity Services, LLC | 3,037 | $761.2K | 0.00% | −1,362−31.0% | Reduced |
| Horizon Investments, LLC | 3,024 | $757.4K | 0.01% | +74+2.5% | Added |
| Hennion & Walsh Asset Management, Inc. | 2,994 | $750.4K | 0.03% | −2,268−43.1% | Reduced |
| PFG Advisors | 2,989 | $749.1K | 0.04% | −65−2.1% | Reduced |
| Accretive Wealth Partners, LLC | 2,988 | $748.9K | 0.21% | +22+0.7% | Added |
| Everett Harris & Co | 2,982 | $747.4K | 0.01% | 00.0% | Unchanged |
| MUFG Securities EMEA plc | 2,951 | $739.6K | 0.01% | 00.0% | Unchanged |
| Voleon Capital Management LP | 2,856 | $715.8K | 0.02% | +503+21.4% | Added |
| Clearstead Advisors, LLC | 2,833 | $710.1K | 0.01% | −918−24.5% | Reduced |
| Woodline Partners LP | 2,806 | $703.3K | 0.00% | −7,282−72.2% | Reduced |
| Venturi Wealth Management, LLC | 2,773 | $694.8K | 0.03% | +227+8.9% | Added |
| Larson Financial Group LLC | 2,757 | $691.1K | 0.02% | +225+8.9% | Added |
| Modera Wealth Management, LLC | 2,755 | $690.5K | 0.01% | −52−1.9% | Reduced |
| Empowered Funds, LLC | 2,717 | $681.0K | 0.00% | +2,717 | New |
| TD Private Client Wealth LLC | 2,710 | $679.2K | 0.01% | −972−26.4% | Reduced |
| GWM Advisors LLC | 2,709 | $678.9K | 0.00% | −385−12.4% | Reduced |
| V-Square Quantitative Management LLC | 2,688 | $673.7K | 0.07% | +351+15.0% | Added |
| SlateStone Wealth, LLC | 2,660 | $667.0K | 0.05% | +195+7.9% | Added |
| Saudi Central Bank | 2,656 | $665.7K | 0.01% | +2,656 | New |
| Voya Financial Advisors, Inc. | 2,655 | $646.1K | 0.06% | −504−16.0% | Reduced |
| Abn Amro Investment Solutions | 2,552 | $639.6K | 0.01% | +214+9.2% | Added |
| Plato Investment Management Ltd | 2,535 | $635.7K | 0.04% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 2,532 | $634.6K | 0.07% | +2,532 | New |
| Purkiss Capital Advisors LLC | 2,519 | $631.4K | 0.28% | 00.0% | Unchanged |
| LRT Capital Management, LLC | 2,518 | $631.1K | 0.59% | +2,518 | New |
| O'Shaughnessy Asset Management, LLC | 2,484 | $622.6K | 0.00% | +953+62.2% | Added |
| Diversified Trust Co | 2,478 | $621.1K | 0.01% | −2,273−47.8% | Reduced |
| Beacon Pointe Advisors, LLC | 2,477 | $620.8K | 0.00% | +1,641+196.3% | Added |
| SRS Capital Advisors, Inc. | 2,458 | $616.1K | 0.02% | −2,121−46.3% | Reduced |
| Empirical Finance, LLC | 2,416 | $605.5K | 0.03% | −3−0.1% | Reduced |