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 $25.3B in total; Gates Foundation Trust is the only superinvestor holding it.
13F holders, Q2 2026
Institutional positions in West Pharmaceutical Services Inc as of Jun 30, 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
- 833
- +87 vs. Q1 2026
- Shares held
- 70.5M
- −536.1K (−0.8%) vs. Q1 2026
- Total value
- $25.3B
- +$7.51B (+42.3%) vs. Q1 2026
- New holders
- 149
- 306 more added
- Sold out
- 62
- 259 more reduced
9 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | $25.3B |
| Q1 2026 | 755 | $17.8B |
| Q4 2025 | 804 | $19.3B |
| Q3 2025 | 758 | $18.1B |
| Q2 2025 | 733 | $15.4B |
| Q1 2025 | 715 | $15.6B |
| Q4 2024 | 747 | $22.9B |
| Q3 2024 | 733 | $20.8B |
| Q2 2024 | 778 | $22.8B |
| Q1 2024 | 778 | $28.0B |
| Q4 2023 | 784 | $24.8B |
| Q3 2023 | 759 | $25.8B |
| Q2 2023 | 735 | $26.0B |
| Q1 2023 | 698 | $24.5B |
| Q4 2022 | 638 | $16.3B |
| Q3 2022 | 639 | $16.9B |
| Q2 2022 | 657 | $20.8B |
| Q1 2022 | 718 | $28.3B |
| Q4 2021 | 731 | $32.2B |
| Q3 2021 | 672 | $28.5B |
| Q2 2021 | 641 | $24.9B |
| Q1 2021 | 591 | $19.3B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding West Pharmaceutical Services Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6,651,784 | $2.39B | 0.04% | −184,930−2.7% | Reduced |
| Vanguard Capital Management LLC | 4,613,134 | $1.66B | 0.04% | −70,152−1.5% | Reduced |
| Vanguard Portfolio Management LLC | 4,015,766 | $1.44B | 0.06% | −78,243−1.9% | Reduced |
| FMR LLC | 3,574,816 | $1.28B | 0.06% | +2,325,068+186.0% | Added |
| State Street Corp | 3,348,698 | $1.20B | 0.04% | +54,920+1.7% | Added |
| Artisan Partners Limited Partnership | 2,411,792 | $865.8M | 1.41% | −246,101−9.3% | Reduced |
| Bank of New York Mellon Corp | 2,043,823 | $733.7M | 0.12% | −422,035−17.1% | Reduced |
| Generation Investment Management LLP | 2,028,322 | $728.2M | 7.08% | −215,654−9.6% | Reduced |
| Geode Capital Management, LLC | 1,903,279 | $680.6M | 0.04% | −9,176−0.5% | Reduced |
| T. Rowe Price Investment Management, Inc. | 1,805,019 | $648.0M | 0.42% | −535,384−22.9% | Reduced |
| Morgan Stanley | 1,582,546 | $568.1M | 0.03% | +124,264+8.5% | Added |
| JPMorgan Chase & Co | 1,164,527 | $413.0M | 0.02% | +121,110+11.6% | Added |
| Brown Advisory Inc | 1,075,309 | $386.0M | 0.60% | −265,568−19.8% | Reduced |
| Longview Partners (Guernsey) LTD | 1,033,826 | $371.1M | 6.03% | −281,577−21.4% | Reduced |
| Invesco Ltd. | 1,009,852 | $362.5M | 0.03% | −46,155−4.4% | Reduced |
| UBS Asset Management Americas Inc | 884,865 | $317.7M | 0.06% | −17,899−2.0% | Reduced |
| Norges Bank | 862,915 | $309.8M | 0.03% | +862,915 | New |
| Goldman Sachs Group Inc | 814,772 | $292.5M | 0.03% | +87,155+12.0% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 760,622 | $273.1M | 0.85% | −97,676−11.4% | Reduced |
| TD Asset Management Inc | 731,054 | $262.4M | 0.23% | −37,899−4.9% | Reduced |
| Northern Trust Corp | 709,421 | $254.7M | 0.03% | −21,862−3.0% | Reduced |
| Capital Research Global Investors | 609,221 | $218.7M | 0.03% | +5,210+0.9% | Added |
| Van Eck Associates Corp | 604,754 | $217.1M | 0.13% | −108,825−15.3% | Reduced |
| ProShare Advisors LLC | 598,024 | $214.7M | 0.31% | −62,060−9.4% | Reduced |
| Findlay Park Partners LLP | 596,646 | $214.2M | 2.89% | −20,120−3.3% | Reduced |
| Charles Schwab Investment Management Inc | 583,984 | $209.7M | 0.03% | +29,652+5.3% | Added |
| Epoch Investment Partners, Inc. | 562,557 | $202.0M | 1.15% | +17,507+3.2% | Added |
| Price T Rowe Associates Inc | 524,652 | $188.4M | 0.02% | −1,731−0.3% | Reduced |
| Dimensional Fund Advisors LP | 521,707 | $187.3M | 0.03% | +60,245+13.1% | Added |
| Jacobs Levy Equity Management, Inc | 507,786 | $182.3M | 0.66% | −197,550−28.0% | Reduced |
| SEI Investments Co | 497,734 | $178.7M | 0.16% | −31,527−6.0% | Reduced |
| State Farm Mutual Automobile Insurance Co | 495,334 | $177.8M | 0.12% | +107,095+27.6% | Added |
| Legal & General Group Plc | 490,634 | $176.1M | 0.04% | −15,824−3.1% | Reduced |
| APG Asset Management N.V. | 560,582 | $176.0M | 0.43% | −706,700−55.8% | Reduced |
| Nuveen, LLC | 446,156 | $160.2M | 0.04% | +37,166+9.1% | Added |
| Gates Foundation TrustSuperinvestorGates Foundation Trust | 444,500 | $159.6M | 0.46% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 438,718 | $157.5M | 0.07% | −71,798−14.1% | Reduced |
| Royal Bank of Canada | 434,255 | $155.9M | 0.03% | +56,703+15.0% | Added |
| William Blair Investment Management, LLC | 417,309 | $149.8M | 0.45% | +377,584+950.5% | Added |
| Deutsche Bank AG | 410,699 | $147.4M | 0.04% | −8,155−1.9% | Reduced |
| Liontrust Investment Partners LLP | 402,233 | $144.4M | 2.12% | +65,238+19.4% | Added |
| Vanguard Fiduciary Trust Co | 396,602 | $142.4M | 0.03% | −8,502−2.1% | Reduced |
| Amundi | 385,311 | $138.3M | 0.03% | −258,754−40.2% | Reduced |
| UBS Group AG | 374,361 | $134.4M | 0.02% | +98,853+35.9% | Added |
| Citadel Advisors LLC | 352,769 | $126.6M | 0.07% | +29,182+9.0% | Added |
| Bank of America Corp | 350,482 | $125.8M | 0.01% | −31,331−8.2% | Reduced |
| Stonehage Fleming Financial Services Holdings Ltd | 340,263 | $122.2M | 4.17% | +85,446+33.5% | Added |
| Quantinno Capital Management LP | 308,116 | $110.6M | 0.13% | +146,638+90.8% | Added |
| Point72 Asset Management, L.P. | 283,396 | $101.7M | 0.16% | +124,046+77.8% | Added |
| Holocene Advisors, LP | 275,421 | $98.9M | 0.23% | +71,800+35.3% | Added |
| Russell Investments Group, Ltd. | 271,862 | $97.5M | 0.09% | +76,530+39.2% | Added |
| Envestnet Asset Management Inc | 259,536 | $93.2M | 0.02% | +24,015+10.2% | Added |
| BNP Paribas Arbitrage, SA | 257,112 | $92.3M | 0.05% | −56,482−18.0% | Reduced |
| Barclays PLC | 246,199 | $88.4M | 0.03% | −102,905−29.5% | Reduced |
| Rhumbline Advisers | 239,648 | $86.0M | 0.06% | −19,579−7.6% | Reduced |
| Riverbridge Partners LLC | 232,514 | $83.5M | 2.33% | −28,928−11.1% | Reduced |
| Border to Coast Pensions Partnership Ltd | 226,857 | $81.4M | 1.20% | 00.0% | Unchanged |
| LGT Group Foundation | 223,365 | $80.2M | 0.91% | +19,809+9.7% | Added |
| Jane Street Group, LLC | 217,581 | $78.1M | 0.05% | −87,551−28.7% | Reduced |
| Brown Brothers Harriman & Co | 206,212 | $74.0M | 0.32% | −22,203−9.7% | Reduced |
| Swiss National Bank | 203,160 | $72.9M | 0.04% | −8,000−3.8% | Reduced |
| Federated Hermes, Inc. | 197,269 | $70.8M | 0.10% | −10,892−5.2% | Reduced |
| Citigroup Inc | 190,778 | $68.5M | 0.03% | +48,344+33.9% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 188,231 | $67.6M | 0.04% | +6,146+3.4% | Added |
| Los Angeles Capital Management LLC | 186,295 | $66.9M | 0.25% | +125,590+206.9% | Added |
| CBOE Vest Financial, LLC | 182,581 | $65.5M | 0.69% | −20,367−10.0% | Reduced |
| Lord, Abbett & Co. LLC | 181,384 | $65.1M | 0.19% | +181,384 | New |
| Wellington Management Group LLP | 175,052 | $62.8M | 0.01% | −73,584−29.6% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 168,080 | $60.3M | 0.03% | −4,700−2.7% | Reduced |
| Bamco Inc | 164,174 | $58.9M | 0.09% | −35,576−17.8% | Reduced |
| Nomura Asset Management Co Ltd | 160,692 | $57.7M | 0.12% | −13,570−7.8% | Reduced |
| Birch Hill Investment Advisors LLC | 159,696 | $57.3M | 2.32% | −1,463−0.9% | Reduced |
| Allianz Asset Management GmbH | 155,139 | $55.7M | 0.05% | −21,421−12.1% | Reduced |
| Vanguard Global Advisers, LLC | 152,124 | $54.6M | 0.03% | −5,613−3.6% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 149,862 | $53.8M | 0.05% | +104,935+233.6% | Added |
| Ami Asset Management Corp | 146,764 | $52.7M | 3.03% | −7,637−4.9% | Reduced |
| Prudential Financial Inc | 143,328 | $51.5M | 0.06% | +46,916+48.7% | Added |
| Schroder Investment Management Group | 144,449 | $51.2M | 0.04% | +9,443+7.0% | Added |
| Seilern Investment Management Ltd | 138,230 | $49.6M | 6.25% | −87,791−38.8% | Reduced |
| Vanguard Asset Management, Ltd | 138,190 | $49.6M | 0.03% | +13,548+10.9% | Added |
| HSBC Holdings PLC | 138,384 | $49.6M | 0.02% | −18,511−11.8% | Reduced |
| Bank of Montreal | 137,753 | $49.5M | 0.02% | +10,579+8.3% | Added |
| Assenagon Asset Management S.A. | 129,508 | $46.5M | 0.03% | −8,053−5.9% | Reduced |
| Local Pensions Partnership Investment Ltd | 128,880 | $46.3M | 0.97% | +8,000+6.6% | Added |
| California Public Employees Retirement System | 127,799 | $45.9M | 0.03% | −105,118−45.1% | Reduced |
| National Pension Service | 126,271 | $45.3M | 0.03% | +122,301+3,080.6% | Added |
| USS Investment Management Ltd | 123,343 | $44.3M | 0.16% | +104,136+542.2% | Added |
| Susquehanna Portfolio Strategies, LLC | 119,345 | $42.8M | 0.68% | +63,644+114.3% | Added |
| Wells Fargo & Company | 114,107 | $41.0M | 0.01% | +17,133+17.7% | Added |
| California State Teachers Retirement System | 113,071 | $40.6M | 0.04% | +2,437+2.2% | Added |
| Conestoga Capital Advisors, LLC | 111,294 | $40.0M | 0.87% | −19,676−15.0% | Reduced |
| First Trust Advisors LP | 108,546 | $39.0M | 0.02% | +80,682+289.6% | Added |
| Teacher Retirement System of Texas | 104,511 | $37.5M | 0.10% | +27,986+36.6% | Added |
| American Century Companies Inc | 99,557 | $35.7M | 0.02% | −300,143−75.1% | Reduced |
| Asset Management One Co.,Ltd. | 96,318 | $34.6M | 0.09% | +21,521+28.8% | Added |
| Candriam Luxembourg S.C.A. | 96,349 | $34.6M | 0.16% | +87,225+956.0% | Added |
| Ninety One UK Ltd | 93,032 | $33.4M | 0.07% | −26,199−22.0% | Reduced |
| Raymond James Financial Inc | 92,072 | $33.1M | 0.01% | +9,513+11.5% | Added |
| Creative Planning | 90,518 | $32.5M | 0.02% | +7,146+8.6% | Added |
| Principal Financial Group Inc | 85,727 | $30.8M | 0.02% | +364+0.4% | Added |