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, Q3 2025
Institutional positions in West Pharmaceutical Services Inc as of Sep 30, 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
- 758
- +35 vs. Q2 2025
- Shares held
- 68.8M
- −323.3K (−0.5%) vs. Q2 2025
- Total value
- $18.0B
- +$2.90B (+19.3%) vs. Q2 2025
- New holders
- 119
- 270 more added
- Sold out
- 84
- 248 more reduced
10 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding West Pharmaceutical Services Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Swiss National Bank | 207,100 | $54.3M | 0.03% | −11,700−5.3% | Reduced |
| LGT Group Foundation | 209,585 | $56.9M | 0.65% | −14,341−6.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 220,964 | $58.0M | 0.04% | +91,934+71.3% | Added |
| Federated Hermes, Inc. | 227,536 | $59.7M | 0.11% | +2,869+1.3% | Added |
| JPMorgan Chase & Co | 236,963 | $62.2M | 0.00% | +16,919+7.7% | Added |
| Rhumbline Advisers | 242,942 | $63.7M | 0.05% | −778−0.3% | Reduced |
| Brown Brothers Harriman & Co | 247,356 | $64.9M | 0.40% | +44,938+22.2% | Added |
| Woodline Partners LP | 252,216 | $66.2M | 0.31% | +252,216 | New |
| Amundi | 284,450 | $76.3M | 0.02% | −218,381−43.4% | Reduced |
| UBS Group AG | 294,910 | $77.4M | 0.02% | −4,208−1.4% | Reduced |
| American Century Companies Inc | 297,008 | $77.9M | 0.04% | −76,423−20.5% | Reduced |
| Bamco Inc | 300,931 | $78.9M | 0.21% | −6,716−2.2% | Reduced |
| Millennium Management LLC | 312,986 | $82.1M | 0.06% | −152,601−32.8% | Reduced |
| Envestnet Asset Management Inc | 321,987 | $84.5M | 0.02% | −51,324−13.7% | Reduced |
| Seilern Investment Management Ltd | 326,957 | $85.8M | 6.20% | −104,604−24.2% | Reduced |
| Deutsche Bank AG | 346,295 | $90.8M | 0.03% | +65,423+23.3% | Added |
| Nuveen, LLC | 352,104 | $92.4M | 0.02% | +31,749+9.9% | Added |
| Longview Partners (Guernsey) LTD | 352,139 | $92.4M | 0.97% | +352,139 | New |
| Riverbridge Partners LLC | 362,540 | $95.1M | 1.60% | −20,980−5.5% | Reduced |
| Dimensional Fund Advisors LP | 380,906 | $99.9M | 0.02% | +65,132+20.6% | Added |
| DF Dent & Co Inc | 383,705 | $100.7M | 1.30% | −11,569−2.9% | Reduced |
| State Farm Mutual Automobile Insurance Co | 388,239 | $101.8M | 0.08% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 409,648 | $107.5M | 0.43% | +60,426+17.3% | Added |
| Goldman Sachs Group Inc | 418,077 | $109.7M | 0.02% | −248,251−37.3% | Reduced |
| Gates Foundation TrustSuperinvestorGates Foundation Trust | 444,500 | $116.6M | 0.32% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 445,395 | $116.8M | 0.09% | −27,492−5.8% | Reduced |
| Champlain Investment Partners, LLC | 458,920 | $120.4M | 0.91% | +11,245+2.5% | Added |
| Steadfast Capital Management LP | 471,418 | $123.7M | 2.24% | +471,418 | New |
| Bank of America Corp | 474,206 | $124.4M | 0.01% | −25,929−5.2% | Reduced |
| Legal & General Group Plc | 508,565 | $133.4M | 0.03% | +9,643+1.9% | Added |
| Epoch Investment Partners, Inc. | 525,899 | $138.0M | 0.76% | +164,634+45.6% | Added |
| Charles Schwab Investment Management Inc | 527,164 | $138.3M | 0.02% | +24,810+4.9% | Added |
| SEI Investments Co | 527,510 | $138.4M | 0.15% | +82,259+18.5% | Added |
| AQR Capital Management LLC | 545,879 | $142.9M | 0.09% | +440,929+420.1% | Added |
| Royal Bank of Canada | 559,777 | $146.8M | 0.03% | +16,020+2.9% | Added |
| TD Asset Management Inc | 606,332 | $159.1M | 0.13% | +125,398+26.1% | Added |
| ProShare Advisors LLC | 612,620 | $160.7M | 0.34% | −125,748−17.0% | Reduced |
| Point72 Asset Management, L.P. | 659,253 | $172.9M | 0.38% | +319,300+93.9% | Added |
| T. Rowe Price Investment Management, Inc. | 701,415 | $184.0M | 0.11% | +234,981+50.4% | Added |
| Citadel Advisors LLC | 727,537 | $190.9M | 0.15% | +598,751+464.9% | Added |
| Northern Trust Corp | 744,891 | $195.4M | 0.02% | −5,039−0.7% | Reduced |
| Findlay Park Partners LLP | 802,106 | $210.4M | 2.21% | −14,500−1.8% | Reduced |
| Invesco Ltd. | 881,285 | $231.2M | 0.04% | −78,240−8.2% | Reduced |
| UBS Asset Management Americas Inc | 885,236 | $232.2M | 0.05% | −150,537−14.5% | Reduced |
| Franklin Resources Inc | 965,931 | $253.4M | 0.06% | −138,204−12.5% | Reduced |
| Generation Investment Management LLP | 976,014 | $256.0M | 1.70% | −189,763−16.3% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 1,038,094 | $272.3M | 0.66% | −13,236−1.3% | Reduced |
| Durable Capital Partners LP | 1,172,583 | $307.6M | 2.28% | +131,935+12.7% | Added |
| APG Asset Management N.V. | 1,413,698 | $315.6M | 0.89% | −244,966−14.8% | Reduced |
| Van Eck Associates Corp | 1,424,879 | $373.8M | 0.35% | −61,308−4.1% | Reduced |
| Morgan Stanley | 1,478,629 | $387.9M | 0.02% | −6,468−0.4% | Reduced |
| Geode Capital Management, LLC | 1,857,124 | $485.2M | 0.03% | +24,120+1.3% | Added |
| Brown Advisory Inc | 2,498,082 | $655.3M | 0.85% | −523,201−17.3% | Reduced |
| Artisan Partners Limited Partnership | 2,770,920 | $726.9M | 1.05% | +503,601+22.2% | Added |
| Bank of New York Mellon Corp | 2,904,709 | $762.0M | 0.14% | −301,672−9.4% | Reduced |
| State Street Corp | 3,207,911 | $841.5M | 0.03% | −63,955−2.0% | Reduced |
| BlackRock, Inc. | 6,455,861 | $1.69B | 0.03% | −149,061−2.3% | Reduced |
| Vanguard Group Inc | 9,704,948 | $2.55B | 0.04% | +388,144+4.2% | Added |
| Erste Asset Management GmbH | 0 | $0 | 0.00% | −6,600−100.0% | Sold out |
| Liontrust Investment Partners LLP | 0 | $0 | 0.00% | −421,601−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −296,500−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −167,934−100.0% | Sold out |
| J. Goldman & Co LP | 0 | $0 | 0.00% | −163,809−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −139,819−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −37,754−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −32,175−100.0% | Sold out |
| Sawgrass Asset Management LLC | 0 | $0 | 0.00% | −28,102−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −25,767−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −24,300−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −23,299−100.0% | Sold out |
| Gateway Investment Advisers LLC | 0 | $0 | 0.00% | −21,661−100.0% | Sold out |
| Kornitzer Capital Management Inc | 0 | $0 | 0.00% | −21,185−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −19,000−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −14,874−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −12,508−100.0% | Sold out |
| Ontario Teachers Pension Plan Board | 0 | $0 | 0.00% | −9,175−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −8,789−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −7,360−100.0% | Sold out |
| Banque Cantonale Vaudoise | 0 | $0 | 0.00% | −6,501−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −5,901−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −5,900−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −5,837−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −5,520−100.0% | Sold out |
| Kennedy Capital Management, Inc. | 0 | $0 | 0.00% | −5,210−100.0% | Sold out |
| First Manhattan Co | 0 | $0 | 0.00% | −3,823−100.0% | Sold out |
| Vienna Powszechne Towarzystwo Emerytalne S.A. Vienna Insurance Group | 0 | $0 | 0.00% | −3,790−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −3,689−100.0% | Sold out |
| Semanteon Capital Management, LP | 0 | $0 | 0.00% | −3,559−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −3,192−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −3,138−100.0% | Sold out |
| Dakota Wealth Management | 0 | $0 | 0.00% | −2,843−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −2,686−100.0% | Sold out |
| V-Square Quantitative Management LLC | 0 | $0 | 0.00% | −2,486−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −2,095−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −2,090−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −2,064−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −1,937−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −1,808−100.0% | Sold out |
| Corient IA LLC | 0 | $0 | 0.00% | −1,795−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −1,765−100.0% | Sold out |