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 2025
Institutional positions in West Pharmaceutical Services Inc as of Mar 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
- 715
- −20 vs. Q4 2024
- Shares held
- 69.9M
- +675.5K (+1.0%) vs. Q4 2024
- Total value
- $15.6B
- −$7.04B (−31.1%) vs. Q4 2024
- New holders
- 93
- 274 more added
- Sold out
- 113
- 260 more reduced
12 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding West Pharmaceutical Services Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| New York State Teachers Retirement System | 58,760 | $13.2M | 0.03% | −4,055−6.5% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 58,917 | $13.2M | 0.04% | +19,649+50.0% | Added |
| Natixis Advisors, L.P. | 59,476 | $13.3M | 0.02% | −942−1.6% | Reduced |
| Asset Management One Co.,Ltd. | 59,665 | $13.4M | 0.05% | +12,805+27.3% | Added |
| Annex Advisory Services, LLC | 59,866 | $13.4M | 0.38% | +11,218+23.1% | Added |
| Rock Springs Capital Management LP | 60,250 | $13.5M | 0.77% | −108,500−64.3% | Reduced |
| Twin Tree Management, LP | 60,316 | $13.5M | 0.30% | +60,316 | New |
| Canada Pension Plan Investment Board | 61,805 | $13.8M | 0.01% | −162,567−72.5% | Reduced |
| Standard Life Aberdeen plc | 63,106 | $14.0M | 0.03% | −106,834−62.9% | Reduced |
| Parnassus Investments | 62,479 | $14.0M | 0.03% | 00.0% | Unchanged |
| Rockland Trust Co | 64,724 | $14.5M | 0.73% | +4,980+8.3% | Added |
| Jacobs Levy Equity Management, Inc | 68,411 | $15.3M | 0.06% | +68,411 | New |
| State Board of Administration of Florida Retirement System | 69,607 | $15.6M | 0.03% | 00.0% | Unchanged |
| Conestoga Capital Advisors, LLC | 72,007 | $16.1M | 0.24% | +4,820+7.2% | Added |
| RMB Capital Management, LLC | 73,151 | $16.4M | 0.40% | +408+0.6% | Added |
| LPL Financial LLC | 73,796 | $16.5M | 0.01% | +8,039+12.2% | Added |
| New York State Common Retirement Fund | 75,205 | $16.8M | 0.02% | −19,777−20.8% | Reduced |
| Russell Investments Group, Ltd. | 75,660 | $16.9M | 0.02% | +31,596+71.7% | Added |
| M&T Bank Corp | 78,000 | $17.5M | 0.06% | −1,474−1.9% | Reduced |
| Great West Life Assurance Co | 78,861 | $17.7M | 0.03% | +15,049+23.6% | Added |
| Alliancebernstein L.P. | 80,140 | $17.9M | 0.01% | −2,512,343−96.9% | Reduced |
| Blair William & Co | 82,585 | $18.5M | 0.06% | −21,281−20.5% | Reduced |
| Principal Financial Group Inc | 89,412 | $20.0M | 0.01% | −991−1.1% | Reduced |
| California Public Employees Retirement System | 89,694 | $20.1M | 0.01% | −26,116−22.6% | Reduced |
| D. E. Shaw & Co., Inc. | 103,022 | $23.1M | 0.03% | −322,893−75.8% | Reduced |
| Citigroup Inc | 104,626 | $23.4M | 0.02% | +49,102+88.4% | Added |
| Voloridge Investment Management, LLC | 105,137 | $23.5M | 0.09% | +105,137 | New |
| Wells Fargo & Company | 108,298 | $24.2M | 0.01% | +14,905+16.0% | Added |
| Ensign Peak Advisors, Inc | 108,570 | $24.3M | 0.05% | −35,237−24.5% | Reduced |
| LTS One Management LP | 110,000 | $24.6M | 7.50% | +110,000 | New |
| Nan Shan Life Insurance Co., Ltd. | 111,837 | $25.0M | 0.59% | −3,973−3.4% | Reduced |
| Ninety One UK Ltd | 112,510 | $25.2M | 0.07% | +28,235+33.5% | Added |
| California State Teachers Retirement System | 118,279 | $26.5M | 0.03% | +759+0.6% | Added |
| Schroder Investment Management Group | 119,453 | $26.5M | 0.03% | +41,064+52.4% | Added |
| Local Pensions Partnership Investment Ltd | 126,380 | $28.3M | 0.56% | +20,000+18.8% | Added |
| Point72 Asset Management, L.P. | 128,287 | $28.7M | 0.08% | −74,185−36.6% | Reduced |
| Nomura Asset Management Co Ltd | 131,782 | $29.5M | 0.09% | −8,006−5.7% | Reduced |
| Pictet Asset Management Holding SA | 134,351 | $30.1M | 0.03% | +16,880+14.4% | Added |
| HSBC Holdings PLC | 137,318 | $30.7M | 0.02% | −3,458−2.5% | Reduced |
| EULAV Asset Management | 137,616 | $30.8M | 0.76% | −70.0% | Reduced |
| Woodline Partners LP | 138,871 | $31.1M | 0.20% | +119,417+613.8% | Added |
| Bank of Montreal | 140,673 | $31.5M | 0.02% | −16,543−10.5% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 142,885 | $32.0M | 0.03% | +14,207+11.0% | Added |
| Freestone Grove Partners LP | 142,976 | $32.0M | 0.33% | +142,976 | New |
| Brown Brothers Harriman & Co | 150,671 | $33.7M | 0.24% | +55,683+58.6% | Added |
| Price T Rowe Associates Inc | 154,751 | $34.6M | 0.00% | −370,568−70.5% | Reduced |
| CBOE Vest Financial, LLC | 158,917 | $35.6M | 0.55% | −12,727−7.4% | Reduced |
| Baird Financial Group, Inc. | 165,722 | $37.1M | 0.07% | +163,502+7,365.0% | Added |
| Marshall Wace, LLP | 166,099 | $37.2M | 0.05% | −61,166−26.9% | Reduced |
| Ami Asset Management Corp | 173,803 | $38.9M | 2.28% | −8,857−4.8% | Reduced |
| Ameriprise Financial Inc | 174,438 | $39.1M | 0.01% | +6,692+4.0% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 178,197 | $39.9M | 0.03% | −1,172−0.7% | Reduced |
| UBS Group AG | 182,237 | $40.8M | 0.01% | +30,798+20.3% | Added |
| Barclays PLC | 192,176 | $43.0M | 0.02% | +51,044+36.2% | Added |
| Swiss National Bank | 204,200 | $45.7M | 0.03% | −700−0.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 211,107 | $47.3M | 0.09% | −31,600−13.0% | Reduced |
| LGT Group Foundation | 221,041 | $49.5M | 0.68% | +113,917+106.3% | Added |
| Federated Hermes, Inc. | 231,841 | $51.9M | 0.11% | +154,315+199.0% | Added |
| Raymond James Financial Inc | 233,467 | $52.3M | 0.02% | +11,685+5.3% | Added |
| Assenagon Asset Management S.A. | 234,807 | $52.6M | 0.09% | +135,584+136.6% | Added |
| Rhumbline Advisers | 236,797 | $53.0M | 0.05% | +17,711+8.1% | Added |
| BNP Paribas Arbitrage, SA | 242,911 | $54.4M | 0.04% | +67,012+38.1% | Added |
| Two Sigma Advisers, LP | 243,900 | $54.6M | 0.12% | +237,200+3,540.3% | Added |
| Congress Asset Management Co | 253,252 | $56.7M | 0.42% | −35,796−12.4% | Reduced |
| Worldquant Millennium Advisors LLC | 268,271 | $60.1M | 0.38% | +268,271 | New |
| Amundi | 274,135 | $60.3M | 0.02% | −57,646−17.4% | Reduced |
| Citadel Advisors LLC | 280,727 | $62.8M | 0.06% | −390,151−58.2% | Reduced |
| Deutsche Bank AG | 303,369 | $67.9M | 0.03% | +42,536+16.3% | Added |
| Millennium Management LLC | 304,403 | $68.1M | 0.07% | +84,786+38.6% | Added |
| Dimensional Fund Advisors LP | 319,278 | $71.5M | 0.02% | +44,445+16.2% | Added |
| Epoch Investment Partners, Inc. | 329,793 | $73.8M | 0.38% | +57,268+21.0% | Added |
| William Blair Investment Management, LLC | 352,838 | $79.0M | 0.22% | −287,897−44.9% | Reduced |
| Nuveen, LLC | 354,005 | $79.3M | 0.02% | +354,005 | New |
| American Century Companies Inc | 370,310 | $82.9M | 0.05% | +113,065+44.0% | Added |
| State Farm Mutual Automobile Insurance Co | 388,239 | $86.9M | 0.08% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 388,567 | $87.0M | 0.03% | +79,089+25.6% | Added |
| Capital Research Global Investors | 390,678 | $87.5M | 0.02% | +167,468+75.0% | Added |
| Riverbridge Partners LLC | 408,406 | $91.4M | 1.47% | −26,887−6.2% | Reduced |
| Bamco Inc | 416,148 | $93.2M | 0.27% | −17,973−4.1% | Reduced |
| SEI Investments Co | 430,554 | $96.4M | 0.12% | −79,719−15.6% | Reduced |
| Neuberger Berman Group LLC | 433,436 | $97.0M | 0.08% | +52,370+13.7% | Added |
| TD Asset Management Inc | 438,385 | $98.1M | 0.09% | +25,372+6.1% | Added |
| DF Dent & Co Inc | 439,298 | $98.3M | 1.31% | +42,202+10.6% | Added |
| Seilern Investment Management Ltd | 441,357 | $98.8M | 6.46% | −2,468−0.6% | Reduced |
| Gates Foundation TrustSuperinvestorGates Foundation Trust | 444,500 | $99.5M | 0.24% | +444,500 | New |
| Liontrust Investment Partners LLP | 446,738 | $100.0M | 1.56% | +157,954+54.7% | Added |
| T. Rowe Price Investment Management, Inc. | 462,073 | $103.4M | 0.07% | −271,189−37.0% | Reduced |
| Champlain Investment Partners, LLC | 471,175 | $105.5M | 0.76% | +26,505+6.0% | Added |
| Charles Schwab Investment Management Inc | 491,827 | $110.1M | 0.02% | +23,707+5.1% | Added |
| ProShare Advisors LLC | 503,096 | $112.6M | 0.25% | −74,872−13.0% | Reduced |
| Legal & General Group Plc | 505,609 | $113.2M | 0.03% | +18,507+3.8% | Added |
| Bank of America Corp | 511,285 | $114.5M | 0.01% | +123,430+31.8% | Added |
| Two Sigma Investments, LP | 522,827 | $117.1M | 0.25% | +446,839+588.0% | Added |
| Royal Bank of Canada | 523,137 | $117.1M | 0.03% | −2,351−0.4% | Reduced |
| Goldman Sachs Group Inc | 603,733 | $135.2M | 0.03% | +91,707+17.9% | Added |
| JPMorgan Chase & Co | 655,176 | $146.7M | 0.01% | −153,497−19.0% | Reduced |
| FMR LLC | 738,949 | $165.4M | 0.01% | −351,654−32.2% | Reduced |
| Northern Trust Corp | 758,246 | $169.8M | 0.03% | −10,602−1.4% | Reduced |
| Findlay Park Partners LLP | 846,206 | $189.4M | 1.95% | +11,500+1.4% | Added |
| Norges Bank | 903,767 | $202.3M | 0.03% | +16,590+1.9% | Added |