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; 833 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 | 833 | $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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 9,704,948 | $2.55B | 0.04% | +388,144+4.2% | Added |
| BlackRock, Inc. | 6,455,861 | $1.69B | 0.03% | −149,061−2.3% | Reduced |
| State Street Corp | 3,207,911 | $841.5M | 0.03% | −63,955−2.0% | Reduced |
| Bank of New York Mellon Corp | 2,904,709 | $762.0M | 0.14% | −301,672−9.4% | Reduced |
| Artisan Partners Limited Partnership | 2,770,920 | $726.9M | 1.05% | +503,601+22.2% | Added |
| Brown Advisory Inc | 2,498,082 | $655.3M | 0.85% | −523,201−17.3% | Reduced |
| Geode Capital Management, LLC | 1,857,124 | $485.2M | 0.03% | +24,120+1.3% | Added |
| Morgan Stanley | 1,478,629 | $387.9M | 0.02% | −6,468−0.4% | Reduced |
| Van Eck Associates Corp | 1,424,879 | $373.8M | 0.35% | −61,308−4.1% | Reduced |
| APG Asset Management N.V. | 1,413,698 | $315.6M | 0.89% | −244,966−14.8% | Reduced |
| Durable Capital Partners LP | 1,172,583 | $307.6M | 2.28% | +131,935+12.7% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 1,038,094 | $272.3M | 0.66% | −13,236−1.3% | Reduced |
| Generation Investment Management LLP | 976,014 | $256.0M | 1.70% | −189,763−16.3% | Reduced |
| Franklin Resources Inc | 965,931 | $253.4M | 0.06% | −138,204−12.5% | Reduced |
| UBS Asset Management Americas Inc | 885,236 | $232.2M | 0.05% | −150,537−14.5% | Reduced |
| Invesco Ltd. | 881,285 | $231.2M | 0.04% | −78,240−8.2% | Reduced |
| Findlay Park Partners LLP | 802,106 | $210.4M | 2.21% | −14,500−1.8% | Reduced |
| Northern Trust Corp | 744,891 | $195.4M | 0.02% | −5,039−0.7% | Reduced |
| Citadel Advisors LLC | 727,537 | $190.9M | 0.15% | +598,751+464.9% | Added |
| T. Rowe Price Investment Management, Inc. | 701,415 | $184.0M | 0.11% | +234,981+50.4% | Added |
| Point72 Asset Management, L.P. | 659,253 | $172.9M | 0.38% | +319,300+93.9% | Added |
| ProShare Advisors LLC | 612,620 | $160.7M | 0.34% | −125,748−17.0% | Reduced |
| TD Asset Management Inc | 606,332 | $159.1M | 0.13% | +125,398+26.1% | Added |
| Royal Bank of Canada | 559,777 | $146.8M | 0.03% | +16,020+2.9% | Added |
| AQR Capital Management LLC | 545,879 | $142.9M | 0.09% | +440,929+420.1% | Added |
| SEI Investments Co | 527,510 | $138.4M | 0.15% | +82,259+18.5% | Added |
| Charles Schwab Investment Management Inc | 527,164 | $138.3M | 0.02% | +24,810+4.9% | Added |
| Epoch Investment Partners, Inc. | 525,899 | $138.0M | 0.76% | +164,634+45.6% | Added |
| Legal & General Group Plc | 508,565 | $133.4M | 0.03% | +9,643+1.9% | Added |
| Bank of America Corp | 474,206 | $124.4M | 0.01% | −25,929−5.2% | Reduced |
| Steadfast Capital Management LP | 471,418 | $123.7M | 2.24% | +471,418 | New |
| Champlain Investment Partners, LLC | 458,920 | $120.4M | 0.91% | +11,245+2.5% | Added |
| Neuberger Berman Group LLC | 445,395 | $116.8M | 0.09% | −27,492−5.8% | Reduced |
| Gates Foundation TrustSuperinvestorGates Foundation Trust | 444,500 | $116.6M | 0.32% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 418,077 | $109.7M | 0.02% | −248,251−37.3% | Reduced |
| Jacobs Levy Equity Management, Inc | 409,648 | $107.5M | 0.43% | +60,426+17.3% | Added |
| State Farm Mutual Automobile Insurance Co | 388,239 | $101.8M | 0.08% | 00.0% | Unchanged |
| DF Dent & Co Inc | 383,705 | $100.7M | 1.30% | −11,569−2.9% | Reduced |
| Dimensional Fund Advisors LP | 380,906 | $99.9M | 0.02% | +65,132+20.6% | Added |
| Riverbridge Partners LLC | 362,540 | $95.1M | 1.60% | −20,980−5.5% | Reduced |
| Longview Partners (Guernsey) LTD | 352,139 | $92.4M | 0.97% | +352,139 | New |
| Nuveen, LLC | 352,104 | $92.4M | 0.02% | +31,749+9.9% | Added |
| Deutsche Bank AG | 346,295 | $90.8M | 0.03% | +65,423+23.3% | Added |
| Seilern Investment Management Ltd | 326,957 | $85.8M | 6.20% | −104,604−24.2% | Reduced |
| Envestnet Asset Management Inc | 321,987 | $84.5M | 0.02% | −51,324−13.7% | Reduced |
| Millennium Management LLC | 312,986 | $82.1M | 0.06% | −152,601−32.8% | Reduced |
| Bamco Inc | 300,931 | $78.9M | 0.21% | −6,716−2.2% | Reduced |
| American Century Companies Inc | 297,008 | $77.9M | 0.04% | −76,423−20.5% | Reduced |
| UBS Group AG | 294,910 | $77.4M | 0.02% | −4,208−1.4% | Reduced |
| Amundi | 284,450 | $76.3M | 0.02% | −218,381−43.4% | Reduced |
| Woodline Partners LP | 252,216 | $66.2M | 0.31% | +252,216 | New |
| Brown Brothers Harriman & Co | 247,356 | $64.9M | 0.40% | +44,938+22.2% | Added |
| Rhumbline Advisers | 242,942 | $63.7M | 0.05% | −778−0.3% | Reduced |
| JPMorgan Chase & Co | 236,963 | $62.2M | 0.00% | +16,919+7.7% | Added |
| Federated Hermes, Inc. | 227,536 | $59.7M | 0.11% | +2,869+1.3% | Added |
| Arrowstreet Capital, Limited Partnership | 220,964 | $58.0M | 0.04% | +91,934+71.3% | Added |
| LGT Group Foundation | 209,585 | $56.9M | 0.65% | −14,341−6.4% | Reduced |
| Swiss National Bank | 207,100 | $54.3M | 0.03% | −11,700−5.3% | Reduced |
| CBOE Vest Financial, LLC | 196,461 | $51.5M | 0.67% | −48,353−19.8% | Reduced |
| Pictet Asset Management Holding SA | 190,113 | $49.9M | 0.05% | −20,389−9.7% | Reduced |
| Assenagon Asset Management S.A. | 188,867 | $49.5M | 0.07% | +35,408+23.1% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 188,495 | $49.4M | 0.03% | −3,148−1.6% | Reduced |
| Holocene Advisors, LP | 187,111 | $49.1M | 0.11% | +187,111 | New |
| Worldquant Millennium Advisors LLC | 183,670 | $48.2M | 0.21% | −129,651−41.4% | Reduced |
| Freestone Grove Partners LP | 166,342 | $43.6M | 0.33% | +165,239+14,980.9% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 165,073 | $43.3M | 0.03% | +5,217+3.3% | Added |
| Ami Asset Management Corp | 163,000 | $42.8M | 2.39% | −2,305−1.4% | Reduced |
| Nomura Asset Management Co Ltd | 161,721 | $42.4M | 0.11% | −28,506−15.0% | Reduced |
| Canada Pension Plan Investment Board | 160,219 | $42.0M | 0.03% | +95,117+146.1% | Added |
| Border to Coast Pensions Partnership Ltd | 155,732 | $40.9M | 0.71% | +155,732 | New |
| Schroder Investment Management Group | 150,277 | $39.4M | 0.03% | +23,474+18.5% | Added |
| Barclays PLC | 140,016 | $36.7M | 0.01% | −59,572−29.8% | Reduced |
| Russell Investments Group, Ltd. | 137,394 | $36.0M | 0.04% | −22,663−14.2% | Reduced |
| Birch Hill Investment Advisors LLC | 136,470 | $35.8M | 1.51% | +63,638+87.4% | Added |
| Bank of Montreal | 132,971 | $34.9M | 0.02% | −26,513−16.6% | Reduced |
| D. E. Shaw & Co., Inc. | 127,146 | $33.4M | 0.03% | −157,190−55.3% | Reduced |
| Local Pensions Partnership Investment Ltd | 126,380 | $33.2M | 0.57% | 00.0% | Unchanged |
| California Public Employees Retirement System | 122,506 | $32.1M | 0.02% | +28,250+30.0% | Added |
| Baird Financial Group, Inc. | 121,603 | $31.9M | 0.05% | −32,226−20.9% | Reduced |
| BNP Paribas Arbitrage, SA | 121,300 | $31.8M | 0.02% | −243,876−66.8% | Reduced |
| Raymond James Financial Inc | 120,450 | $31.6M | 0.01% | −6,221−4.9% | Reduced |
| HSBC Holdings PLC | 119,127 | $31.3M | 0.02% | −13,131−9.9% | Reduced |
| California State Teachers Retirement System | 117,516 | $30.8M | 0.03% | −59−0.1% | Reduced |
| Credit Agricole S A | 115,623 | $30.3M | 0.10% | +115,623 | New |
| Price T Rowe Associates Inc | 114,545 | $30.1M | 0.00% | −3,084−2.6% | Reduced |
| Annex Advisory Services, LLC | 113,158 | $29.7M | 0.63% | +44,028+63.7% | Added |
| Nan Shan Life Insurance Co., Ltd. | 109,867 | $28.8M | 0.61% | −413−0.4% | Reduced |
| Wells Fargo & Company | 109,023 | $28.6M | 0.01% | +3,409+3.2% | Added |
| EULAV Asset Management | 104,616 | $27.4M | 0.64% | −33,000−24.0% | Reduced |
| Ensign Peak Advisors, Inc | 103,522 | $27.2M | 0.04% | +9,946+10.6% | Added |
| Prudential Financial Inc | 103,344 | $27.1M | 0.03% | +24,892+31.7% | Added |
| Man Group plc | 102,485 | $26.9M | 0.05% | +2,507+2.5% | Added |
| Two Sigma Investments, LP | 101,201 | $26.5M | 0.04% | −482,864−82.7% | Reduced |
| Conestoga Capital Advisors, LLC | 100,783 | $26.4M | 0.42% | −7,124−6.6% | Reduced |
| Ninety One UK Ltd | 97,918 | $25.7M | 0.06% | −2,707−2.7% | Reduced |
| Moore Capital Management, LP | 95,000 | $24.9M | 0.50% | +95,000 | New |
| Mackenzie Financial Corp | 92,670 | $24.3M | 0.03% | +84,260+1,001.9% | Added |
| Quantinno Capital Management LP | 92,326 | $24.2M | 0.07% | +52,890+134.1% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 89,403 | $23.4M | 0.06% | +38,067+74.2% | Added |
| New York State Common Retirement Fund | 87,915 | $23.1M | 0.03% | +10,409+13.4% | Added |