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, Q2 2025
Institutional positions in West Pharmaceutical Services Inc as of Jun 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
- 733
- +25 vs. Q1 2025
- Shares held
- 70.0M
- +253.4K (+0.4%) vs. Q1 2025
- Total value
- $15.3B
- −$323.1M (−2.1%) vs. Q1 2025
- New holders
- 105
- 270 more added
- Sold out
- 80
- 263 more reduced
7 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding West Pharmaceutical Services Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Grace & White Inc | 45,730 | $10.0M | 1.83% | +4,400+10.6% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 45,768 | $10.0M | 0.02% | +886+2.0% | Added |
| First Trust Advisors LP | 46,332 | $10.1M | 0.01% | +29,067+168.4% | Added |
| ICICI Prudential Asset Management Co Ltd | 47,000 | $10.3M | 1.28% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 47,825 | $10.5M | 0.03% | +4,637+10.7% | Added |
| Engineers Gate Manager LP | 48,848 | $10.7M | 0.13% | +47,286+3,027.3% | Added |
| Public Employees Retirement Association of Colorado | 49,722 | $10.9M | 0.04% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 50,631 | $11.1M | 0.03% | +3,212+6.8% | Added |
| National Bank of Canada | 50,926 | $11.1M | 0.01% | −4,378−7.9% | Reduced |
| CI Private Wealth, LLC | 50,933 | $11.1M | 0.02% | −6,498−11.3% | Reduced |
| Rock Springs Capital Management LP | 51,030 | $11.2M | 0.70% | −9,220−15.3% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 51,336 | $11.2M | 0.03% | −7,581−12.9% | Reduced |
| Vident Advisory, LLC | 52,067 | $11.4M | 0.13% | +49,039+1,619.5% | Added |
| Creative Planning | 52,261 | $11.4M | 0.01% | +1,713+3.4% | Added |
| BLI - Banque de Luxembourg Investments | 52,900 | $11.6M | 0.33% | −3,200−5.7% | Reduced |
| Aviva PLC | 55,565 | $12.2M | 0.03% | +2,858+5.4% | Added |
| Natixis Advisors, L.P. | 56,362 | $12.3M | 0.02% | −3,114−5.2% | Reduced |
| New York State Teachers Retirement System | 58,746 | $12.9M | 0.03% | −140.0% | Reduced |
| Asset Management One Co.,Ltd. | 59,766 | $13.1M | 0.04% | +101+0.2% | Added |
| Handelsbanken Fonder AB | 59,922 | $13.1M | 0.05% | +8,354+16.2% | Added |
| HRT Financial LP | 60,803 | $13.3M | 0.06% | +60,803 | New |
| Marshall Wace, LLP | 62,526 | $13.7M | 0.02% | −103,573−62.4% | Reduced |
| Canada Pension Plan Investment Board | 65,102 | $14.2M | 0.01% | +3,297+5.3% | Added |
| Adage Capital Partners GP, L.L.C. | 65,807 | $14.4M | 0.02% | −145,300−68.8% | Reduced |
| Standard Life Aberdeen plc | 65,858 | $14.4M | 0.02% | +2,752+4.4% | Added |
| Annex Advisory Services, LLC | 69,130 | $15.1M | 0.36% | +9,264+15.5% | Added |
| Parnassus Investments | 69,248 | $15.2M | 0.03% | +6,769+10.8% | Added |
| State Board of Administration of Florida Retirement System | 70,197 | $15.4M | 0.03% | +590+0.8% | Added |
| Blair William & Co | 71,736 | $15.7M | 0.04% | −10,849−13.1% | Reduced |
| Birch Hill Investment Advisors LLC | 72,832 | $15.9M | 0.71% | +72,832 | New |
| Great West Life Assurance Co | 76,467 | $16.8M | 0.03% | −2,394−3.0% | Reduced |
| RMB Capital Management, LLC | 76,725 | $16.8M | 0.32% | +3,574+4.9% | Added |
| New York State Common Retirement Fund | 77,506 | $17.0M | 0.02% | +2,301+3.1% | Added |
| Rockland Trust Co | 77,979 | $17.1M | 0.83% | +13,255+20.5% | Added |
| Prudential Financial Inc | 78,452 | $17.2M | 0.02% | +40,104+104.6% | Added |
| Squarepoint Ops LLC | 81,142 | $17.8M | 0.04% | +27,154+50.3% | Added |
| Alliancebernstein L.P. | 81,888 | $17.9M | 0.01% | +1,748+2.2% | Added |
| Principal Financial Group Inc | 83,324 | $18.2M | 0.01% | −6,088−6.8% | Reduced |
| LPL Financial LLC | 90,461 | $19.8M | 0.01% | +16,665+22.6% | Added |
| Ensign Peak Advisors, Inc | 93,576 | $20.5M | 0.04% | −14,994−13.8% | Reduced |
| California Public Employees Retirement System | 94,256 | $20.6M | 0.01% | +4,562+5.1% | Added |
| Citigroup Inc | 95,073 | $20.8M | 0.01% | −9,553−9.1% | Reduced |
| Man Group plc | 99,978 | $21.9M | 0.05% | +69,069+223.5% | Added |
| Ninety One UK Ltd | 100,625 | $22.0M | 0.05% | −11,885−10.6% | Reduced |
| FMR LLC | 104,784 | $22.9M | 0.00% | −634,165−85.8% | Reduced |
| AQR Capital Management LLC | 104,950 | $23.0M | 0.02% | +100,569+2,295.6% | Added |
| Wells Fargo & Company | 105,614 | $23.1M | 0.01% | −2,684−2.5% | Reduced |
| Conestoga Capital Advisors, LLC | 107,907 | $23.6M | 0.35% | +35,900+49.9% | Added |
| Nan Shan Life Insurance Co., Ltd. | 110,280 | $24.1M | 0.54% | −1,557−1.4% | Reduced |
| California State Teachers Retirement System | 117,575 | $25.7M | 0.03% | −704−0.6% | Reduced |
| Price T Rowe Associates Inc | 117,629 | $25.7M | 0.00% | −37,122−24.0% | Reduced |
| Local Pensions Partnership Investment Ltd | 126,380 | $27.6M | 0.51% | 00.0% | Unchanged |
| Raymond James Financial Inc | 126,671 | $27.7M | 0.01% | −106,796−45.7% | Reduced |
| Schroder Investment Management Group | 126,803 | $27.7M | 0.02% | +7,350+6.2% | Added |
| Citadel Advisors LLC | 128,786 | $28.2M | 0.02% | −151,941−54.1% | Reduced |
| Arrowstreet Capital, Limited Partnership | 129,030 | $28.2M | 0.02% | +87,679+212.0% | Added |
| HSBC Holdings PLC | 132,258 | $28.9M | 0.02% | −5,060−3.7% | Reduced |
| EULAV Asset Management | 137,616 | $30.1M | 0.71% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 139,819 | $30.6M | 0.04% | +139,819 | New |
| Assenagon Asset Management S.A. | 153,459 | $33.6M | 0.05% | −81,348−34.6% | Reduced |
| Baird Financial Group, Inc. | 153,829 | $33.7M | 0.06% | −11,893−7.2% | Reduced |
| Bank of Montreal | 159,484 | $34.9M | 0.02% | +18,811+13.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 159,856 | $35.0M | 0.03% | +16,971+11.9% | Added |
| Russell Investments Group, Ltd. | 160,057 | $35.0M | 0.04% | +84,397+111.5% | Added |
| J. Goldman & Co LP | 163,809 | $35.8M | 1.13% | +163,809 | New |
| Ami Asset Management Corp | 165,305 | $36.2M | 2.07% | −8,498−4.9% | Reduced |
| Voloridge Investment Management, LLC | 167,934 | $36.7M | 0.14% | +62,797+59.7% | Added |
| Ameriprise Financial Inc | 169,935 | $37.2M | 0.01% | −4,503−2.6% | Reduced |
| Nomura Asset Management Co Ltd | 190,227 | $41.6M | 0.11% | +58,445+44.3% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 191,643 | $41.9M | 0.03% | +13,446+7.5% | Added |
| Barclays PLC | 199,588 | $43.7M | 0.02% | +7,412+3.9% | Added |
| Brown Brothers Harriman & Co | 202,418 | $44.3M | 0.28% | +51,747+34.3% | Added |
| Pictet Asset Management Holding SA | 210,502 | $46.1M | 0.05% | +76,151+56.7% | Added |
| Swiss National Bank | 218,800 | $47.9M | 0.03% | +14,600+7.1% | Added |
| JPMorgan Chase & Co | 220,044 | $48.1M | 0.00% | −435,132−66.4% | Reduced |
| LGT Group Foundation | 223,926 | $49.0M | 0.61% | +2,885+1.3% | Added |
| Federated Hermes, Inc. | 224,667 | $49.2M | 0.09% | −7,174−3.1% | Reduced |
| Rhumbline Advisers | 243,720 | $53.3M | 0.05% | +6,923+2.9% | Added |
| CBOE Vest Financial, LLC | 244,814 | $53.6M | 0.76% | +85,897+54.1% | Added |
| Deutsche Bank AG | 280,872 | $61.5M | 0.02% | −22,497−7.4% | Reduced |
| D. E. Shaw & Co., Inc. | 284,336 | $62.2M | 0.06% | +181,314+176.0% | Added |
| Two Sigma Advisers, LP | 296,500 | $64.9M | 0.13% | +52,600+21.6% | Added |
| UBS Group AG | 299,118 | $65.4M | 0.01% | +116,881+64.1% | Added |
| Bamco Inc | 307,647 | $67.3M | 0.18% | −108,501−26.1% | Reduced |
| Worldquant Millennium Advisors LLC | 313,321 | $68.6M | 0.34% | +45,050+16.8% | Added |
| Dimensional Fund Advisors LP | 315,774 | $69.1M | 0.02% | −3,504−1.1% | Reduced |
| Nuveen, LLC | 320,355 | $70.1M | 0.02% | −33,650−9.5% | Reduced |
| Point72 Asset Management, L.P. | 339,953 | $74.4M | 0.18% | +211,666+165.0% | Added |
| Jacobs Levy Equity Management, Inc | 349,222 | $76.4M | 0.30% | +280,811+410.5% | Added |
| Epoch Investment Partners, Inc. | 361,265 | $79.0M | 0.41% | +31,472+9.5% | Added |
| BNP Paribas Arbitrage, SA | 365,176 | $79.9M | 0.06% | +122,265+50.3% | Added |
| William Blair Investment Management, LLC | 366,152 | $80.1M | 0.21% | +13,314+3.8% | Added |
| Envestnet Asset Management Inc | 373,311 | $81.7M | 0.02% | −15,256−3.9% | Reduced |
| American Century Companies Inc | 373,431 | $81.7M | 0.04% | +3,121+0.8% | Added |
| Riverbridge Partners LLC | 383,520 | $83.9M | 1.35% | −24,886−6.1% | Reduced |
| State Farm Mutual Automobile Insurance Co | 388,239 | $84.9M | 0.08% | 00.0% | Unchanged |
| DF Dent & Co Inc | 395,274 | $86.5M | 1.10% | −44,024−10.0% | Reduced |
| Liontrust Investment Partners LLP | 421,601 | $92.2M | 1.32% | −25,137−5.6% | Reduced |
| Seilern Investment Management Ltd | 431,561 | $94.4M | 6.23% | −9,796−2.2% | Reduced |
| Gates Foundation TrustSuperinvestorGates Foundation Trust | 444,500 | $97.3M | 0.20% | 00.0% | Unchanged |