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, Q4 2025
Institutional positions in West Pharmaceutical Services Inc as of Dec 31, 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
- 804
- +59 vs. Q3 2025
- Shares held
- 69.5M
- +754.2K (+1.1%) vs. Q3 2025
- Total value
- $19.1B
- +$1.11B (+6.2%) vs. Q3 2025
- New holders
- 115
- 269 more added
- Sold out
- 56
- 290 more reduced
13 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding West Pharmaceutical Services Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Moore Capital Management, LP | 95,000 | $26.1M | 0.53% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 96,030 | $26.4M | 0.04% | +96,030 | New |
| SG Americas Securities, LLC | 100,909 | $27.8M | 0.04% | +74,245+278.4% | Added |
| Ninety One UK Ltd | 101,888 | $28.0M | 0.06% | +3,970+4.1% | Added |
| Mackenzie Financial Corp | 101,911 | $28.2M | 0.03% | +9,241+10.0% | Added |
| Raymond James Financial Inc | 102,448 | $28.2M | 0.01% | −18,002−14.9% | Reduced |
| EULAV Asset Management | 104,616 | $28.8M | 0.77% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 104,736 | $28.8M | 0.04% | +104,736 | New |
| Quantinno Capital Management LP | 105,406 | $29.0M | 0.06% | +13,080+14.2% | Added |
| Susquehanna Portfolio Strategies, LLC | 106,451 | $29.3M | 0.45% | +22,592+26.9% | Added |
| Wells Fargo & Company | 106,711 | $29.4M | 0.01% | −2,312−2.1% | Reduced |
| FMR LLC | 109,654 | $30.2M | 0.00% | +65,290+147.2% | Added |
| Nan Shan Life Insurance Co., Ltd. | 109,867 | $30.2M | 0.93% | 00.0% | Unchanged |
| Millennium Management LLC | 110,393 | $30.4M | 0.02% | −202,593−64.7% | Reduced |
| Korea Investment CORP | 110,970 | $30.5M | 0.06% | +54,873+97.8% | Added |
| California State Teachers Retirement System | 113,570 | $31.2M | 0.03% | −3,946−3.4% | Reduced |
| Canada Pension Plan Investment Board | 114,410 | $31.5M | 0.02% | −45,809−28.6% | Reduced |
| Local Pensions Partnership Investment Ltd | 120,880 | $33.3M | 0.59% | −5,500−4.4% | Reduced |
| Conestoga Capital Advisors, LLC | 122,791 | $33.8M | 0.57% | +22,008+21.8% | Added |
| Annex Advisory Services, LLC | 122,958 | $33.8M | 0.65% | +9,800+8.7% | Added |
| California Public Employees Retirement System | 123,336 | $33.9M | 0.02% | +830+0.7% | Added |
| Asset Management One Co.,Ltd. | 125,004 | $34.4M | 0.10% | +55,229+79.2% | Added |
| HRT Financial LP | 127,188 | $35.0M | 0.11% | +124,799+5,223.9% | Added |
| Holocene Advisors, LP | 127,717 | $35.1M | 0.07% | −59,394−31.7% | Reduced |
| Bank of Montreal | 132,649 | $36.5M | 0.01% | −322−0.2% | Reduced |
| Walleye Capital LLC | 134,453 | $37.0M | 0.21% | +109,722+443.7% | Added |
| Two Sigma Investments, LP | 139,939 | $38.5M | 0.06% | +38,738+38.3% | Added |
| Barclays PLC | 142,185 | $39.1M | 0.02% | +2,169+1.5% | Added |
| Citigroup Inc | 145,656 | $40.1M | 0.03% | +62,889+76.0% | Added |
| Baird Financial Group, Inc. | 146,206 | $40.2M | 0.06% | +24,603+20.2% | Added |
| HSBC Holdings PLC | 146,872 | $40.4M | 0.02% | +27,745+23.3% | Added |
| Pictet Asset Management Holding SA | 151,997 | $41.8M | 0.04% | −38,116−20.0% | Reduced |
| Birch Hill Investment Advisors LLC | 152,148 | $41.9M | 1.75% | +15,678+11.5% | Added |
| Nomura Asset Management Co Ltd | 154,502 | $42.5M | 0.11% | −7,219−4.5% | Reduced |
| Ami Asset Management Corp | 159,039 | $43.8M | 2.48% | −3,961−2.4% | Reduced |
| Prudential Financial Inc | 163,091 | $44.9M | 0.05% | +59,747+57.8% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 167,203 | $46.2M | 0.03% | +2,130+1.3% | Added |
| Russell Investments Group, Ltd. | 172,102 | $47.4M | 0.05% | +34,708+25.3% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 176,116 | $48.5M | 0.03% | −12,379−6.6% | Reduced |
| CBOE Vest Financial, LLC | 178,079 | $49.0M | 0.62% | −18,382−9.4% | Reduced |
| Schroder Investment Management Group | 179,173 | $49.6M | 0.04% | +28,896+19.2% | Added |
| Swiss National Bank | 197,040 | $54.2M | 0.03% | −10,060−4.9% | Reduced |
| Federated Hermes, Inc. | 200,066 | $55.0M | 0.09% | −27,470−12.1% | Reduced |
| LGT Group Foundation | 205,087 | $56.8M | 0.62% | −4,498−2.1% | Reduced |
| BNP Paribas Arbitrage, SA | 213,333 | $58.7M | 0.04% | +92,033+75.9% | Added |
| Jane Street Group, LLC | 219,746 | $60.5M | 0.07% | +183,501+506.3% | Added |
| Point72 Asset Management, L.P. | 235,037 | $64.7M | 0.10% | −424,216−64.3% | Reduced |
| Border to Coast Pensions Partnership Ltd | 236,307 | $65.1M | 1.13% | +80,575+51.7% | Added |
| Brown Brothers Harriman & Co | 240,691 | $66.2M | 0.36% | −6,665−2.7% | Reduced |
| Citadel Advisors LLC | 245,640 | $67.6M | 0.05% | −481,897−66.2% | Reduced |
| Envestnet Asset Management Inc | 248,112 | $68.3M | 0.02% | −73,875−22.9% | Reduced |
| UBS Group AG | 250,398 | $68.9M | 0.01% | −44,512−15.1% | Reduced |
| Assenagon Asset Management S.A. | 251,006 | $69.1M | 0.10% | +62,139+32.9% | Added |
| Bamco Inc | 263,189 | $72.4M | 0.20% | −37,742−12.5% | Reduced |
| Rhumbline Advisers | 272,192 | $74.9M | 0.06% | +29,250+12.0% | Added |
| JPMorgan Chase & Co | 274,960 | $75.7M | 0.01% | +37,997+16.0% | Added |
| Seilern Investment Management Ltd | 278,229 | $76.6M | 5.94% | −48,728−14.9% | Reduced |
| Viking Global Investors LPSuperinvestorViking Global Investors | 295,028 | $81.2M | 0.22% | +295,028 | New |
| Arrowstreet Capital, Limited Partnership | 300,404 | $82.7M | 0.05% | +79,440+36.0% | Added |
| Riverbridge Partners LLC | 318,613 | $87.7M | 1.64% | −43,927−12.1% | Reduced |
| DF Dent & Co Inc | 319,582 | $87.9M | 1.27% | −64,123−16.7% | Reduced |
| Price T Rowe Associates Inc | 339,267 | $93.3M | 0.01% | +224,722+196.2% | Added |
| Amundi | 347,426 | $95.6M | 0.03% | +62,976+22.1% | Added |
| Liontrust Investment Partners LLP | 366,188 | $100.8M | 1.50% | +366,188 | New |
| Deutsche Bank AG | 372,875 | $102.6M | 0.03% | +26,580+7.7% | Added |
| State Farm Mutual Automobile Insurance Co | 388,239 | $106.8M | 0.08% | 00.0% | Unchanged |
| Nuveen, LLC | 404,322 | $111.2M | 0.03% | +52,218+14.8% | Added |
| Neuberger Berman Group LLC | 427,512 | $117.6M | 0.09% | −17,883−4.0% | Reduced |
| Steadfast Capital Management LP | 429,907 | $118.3M | 2.07% | −41,511−8.8% | Reduced |
| Dimensional Fund Advisors LP | 437,360 | $120.3M | 0.03% | +56,454+14.8% | Added |
| Goldman Sachs Group Inc | 440,045 | $121.1M | 0.02% | +21,968+5.3% | Added |
| Gates Foundation TrustSuperinvestorGates Foundation Trust | 444,500 | $122.3M | 0.35% | 00.0% | Unchanged |
| Royal Bank of Canada | 444,860 | $122.4M | 0.02% | −114,917−20.5% | Reduced |
| American Century Companies Inc | 445,484 | $122.6M | 0.06% | +148,476+50.0% | Added |
| Champlain Investment Partners, LLC | 475,355 | $130.8M | 1.32% | +16,435+3.6% | Added |
| Legal & General Group Plc | 502,686 | $138.3M | 0.03% | −5,879−1.2% | Reduced |
| Epoch Investment Partners, Inc. | 505,305 | $139.0M | 0.79% | −20,594−3.9% | Reduced |
| AQR Capital Management LLC | 517,631 | $142.4M | 0.07% | −28,248−5.2% | Reduced |
| Bank of America Corp | 531,846 | $146.3M | 0.01% | +57,640+12.2% | Added |
| Charles Schwab Investment Management Inc | 542,803 | $149.3M | 0.02% | +15,639+3.0% | Added |
| ProShare Advisors LLC | 586,847 | $161.5M | 0.28% | −25,773−4.2% | Reduced |
| SEI Investments Co | 591,757 | $162.8M | 0.16% | +64,247+12.2% | Added |
| TD Asset Management Inc | 605,726 | $166.7M | 0.13% | −606−0.1% | Reduced |
| Jacobs Levy Equity Management, Inc | 639,561 | $176.0M | 0.68% | +229,913+56.1% | Added |
| Findlay Park Partners LLP | 666,926 | $183.5M | 2.34% | −135,180−16.9% | Reduced |
| Van Eck Associates Corp | 716,087 | $197.0M | 0.16% | −708,792−49.7% | Reduced |
| Northern Trust Corp | 726,512 | $199.9M | 0.03% | −18,379−2.5% | Reduced |
| Franklin Resources Inc | 888,252 | $244.4M | 0.06% | −77,679−8.0% | Reduced |
| UBS Asset Management Americas Inc | 905,656 | $249.2M | 0.05% | +20,420+2.3% | Added |
| Invesco Ltd. | 908,625 | $250.0M | 0.02% | +27,340+3.1% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 955,149 | $262.8M | 0.71% | −82,945−8.0% | Reduced |
| Norges Bank | 988,737 | $272.0M | 0.03% | +988,737 | New |
| APG Asset Management N.V. | 1,199,005 | $280.9M | 0.80% | −214,693−15.2% | Reduced |
| Longview Partners (Guernsey) LTD | 1,131,026 | $311.2M | 3.25% | +778,887+221.2% | Added |
| T. Rowe Price Investment Management, Inc. | 1,174,962 | $323.3M | 0.20% | +473,547+67.5% | Added |
| Morgan Stanley | 1,531,858 | $421.5M | 0.03% | +53,229+3.6% | Added |
| Generation Investment Management LLP | 1,561,869 | $429.7M | 2.98% | +585,855+60.0% | Added |
| Geode Capital Management, LLC | 1,869,086 | $512.2M | 0.03% | +11,962+0.6% | Added |
| Brown Advisory Inc | 1,943,606 | $534.8M | 0.75% | −554,476−22.2% | Reduced |
| Bank of New York Mellon Corp | 2,662,035 | $732.4M | 0.13% | −242,674−8.4% | Reduced |