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 |
|---|---|---|---|---|---|
| Ninety One UK Ltd | 101,888 | $28.0M | 0.06% | +3,970+4.1% | Added |
| SG Americas Securities, LLC | 100,909 | $27.8M | 0.04% | +74,245+278.4% | Added |
| Qube Research & Technologies Ltd | 96,030 | $26.4M | 0.04% | +96,030 | New |
| Moore Capital Management, LP | 95,000 | $26.1M | 0.53% | 00.0% | Unchanged |
| Royal London Asset Management Ltd | 92,414 | $25.4M | 0.05% | +40,712+78.7% | Added |
| Ensign Peak Advisors, Inc | 89,737 | $24.7M | 0.04% | −13,785−13.3% | Reduced |
| Credit Agricole S A | 88,989 | $24.5M | 0.07% | −26,634−23.0% | Reduced |
| Principal Financial Group Inc | 85,633 | $23.6M | 0.01% | +2,184+2.6% | Added |
| Alliancebernstein L.P. | 80,043 | $22.0M | 0.01% | −2,985−3.6% | Reduced |
| Creative Planning | 79,502 | $21.9M | 0.02% | +19,557+32.6% | Added |
| LPL Financial LLC | 73,841 | $20.3M | 0.01% | −2,787−3.6% | Reduced |
| RMB Capital Management, LLC | 72,533 | $20.0M | 0.35% | −1,960−2.6% | Reduced |
| Manufacturers Life Insurance Company, The | 70,452 | $19.4M | 0.02% | +26,639+60.8% | Added |
| Polar Capital Holdings Plc | 69,332 | $19.1M | 0.09% | +69,332 | New |
| Man Group plc | 67,328 | $18.5M | 0.04% | −35,157−34.3% | Reduced |
| State Board of Administration of Florida Retirement System | 65,739 | $18.1M | 0.03% | −1,600−2.4% | Reduced |
| Standard Life Aberdeen plc | 65,628 | $18.1M | 0.03% | −1,181−1.8% | Reduced |
| Adage Capital Partners GP, L.L.C. | 64,907 | $17.9M | 0.03% | +9,400+16.9% | Added |
| Handelsbanken Fonder AB | 63,254 | $17.4M | 0.05% | +2,474+4.1% | Added |
| Blair William & Co | 62,316 | $17.1M | 0.05% | −1,683−2.6% | Reduced |
| Ofi Invest Asset Management | 72,558 | $17.0M | 0.24% | +72,558 | New |
| Aviva PLC | 61,686 | $17.0M | 0.03% | +3,109+5.3% | Added |
| New York State Teachers Retirement System | 58,833 | $16.2M | 0.03% | +101+0.2% | Added |
| Comerica Bank | 56,693 | $15.6M | 0.06% | +13,680+31.8% | Added |
| Jennison Associates LLC | 54,593 | $15.0M | 0.01% | +17,363+46.6% | Added |
| Kempen Capital Management N.V. | 54,515 | $15.0M | 0.13% | +54,515 | New |
| Vident Advisory, LLC | 53,695 | $14.8M | 0.14% | −363−0.7% | Reduced |
| FIL Ltd | 52,345 | $14.4M | 0.01% | +656+1.3% | Added |
| Natixis Advisors, L.P. | 52,304 | $14.4M | 0.02% | −4,558−8.0% | Reduced |
| BLI - Banque de Luxembourg Investments | 49,900 | $13.8M | 0.41% | −3,000−5.7% | Reduced |
| State of Wisconsin Investment Board | 49,616 | $13.7M | 0.03% | +11,718+30.9% | Added |
| Public Employees Retirement Association of Colorado | 48,695 | $13.4M | 0.05% | 00.0% | Unchanged |
| Great West Life Assurance Co | 48,223 | $13.3M | 0.02% | −28,220−36.9% | Reduced |
| Fred Alger Management, LLC | 48,124 | $13.2M | 0.05% | +28,390+143.9% | Added |
| National Bank of Canada | 47,740 | $13.1M | 0.01% | +2,437+5.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 46,726 | $12.9M | 0.01% | −42,677−47.7% | Reduced |
| Whittier Trust Co | 45,481 | $12.8M | 0.14% | −297−0.6% | Reduced |
| Thrivent Financial for Lutherans | 46,092 | $12.7M | 0.02% | +12,781+38.4% | Added |
| Janney Montgomery Scott LLC | 45,159 | $12.4M | 0.03% | −3,099−6.4% | Reduced |
| Taproot Management LP | 44,758 | $12.3M | 2.00% | +44,758 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 43,959 | $12.1M | 0.02% | −2,561−5.5% | Reduced |
| Grace & White Inc | 43,530 | $12.0M | 2.14% | −2,200−4.8% | Reduced |
| Los Angeles Capital Management LLC | 42,911 | $12.0M | 0.04% | +5,970+16.2% | Added |
| Trexquant Investment LP | 43,355 | $11.9M | 0.11% | +35,184+430.6% | Added |
| New York State Common Retirement Fund | 41,547 | $11.4M | 0.02% | −46,368−52.7% | Reduced |
| GW&K Investment Management, LLC | 41,441 | $11.4M | 0.10% | +40,577+4,696.4% | Added |
| William Blair Investment Management, LLC | 41,242 | $11.3M | 0.03% | +437+1.1% | Added |
| McCollum Christoferson Group LLC | 41,086 | $11.3M | 3.27% | −615−1.5% | Reduced |
| Tudor Investment Corp Et Al | 40,670 | $11.2M | 0.06% | +40,670 | New |
| DekaBank Deutsche Girozentrale | 27,611 | $10.8M | 0.02% | 00.0% | Unchanged |
| North Growth Management Ltd. | 39,000 | $10.8M | 1.69% | +5,000+14.7% | Added |
| Teacher Retirement System of Texas | 38,157 | $10.5M | 0.04% | +28,626+300.3% | Added |
| Nisa Investment Advisors, LLC | 37,948 | $10.4M | 0.03% | +397+1.1% | Added |
| Chevy Chase Trust Holdings, Inc. | 36,475 | $10.0M | 0.03% | −223−0.6% | Reduced |
| Marshall Wace, LLP | 35,625 | $9.80M | 0.01% | +34,825+4,353.1% | Added |
| Hudson Bay Capital Management LP | 35,448 | $9.75M | 0.06% | +35,448 | New |
| Stifel Financial Corp | 34,926 | $9.61M | 0.01% | −3,467−9.0% | Reduced |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 34,752 | $9.56M | 0.34% | +34,752 | New |
| Mitsubishi UFJ Trust & Banking Corp | 34,507 | $9.49M | 0.02% | −58−0.2% | Reduced |
| Parnassus Investments | 34,387 | $9.46M | 0.02% | +819+2.4% | Added |
| Danske Bank A/S | 33,517 | $9.22M | 0.02% | +1,654+5.2% | Added |
| Oppenheimer Asset Management Inc. | 30,760 | $8.46M | 0.10% | −1,364−4.2% | Reduced |
| Cetera Investment Advisers | 30,135 | $8.29M | 0.01% | −679−2.2% | Reduced |
| Resona Asset Management Co.,Ltd. | 30,028 | $8.27M | 0.04% | −471−1.5% | Reduced |
| Treasurer of the State of North Carolina | 29,994 | $8.25M | 0.03% | −2,192−6.8% | Reduced |
| Jefferies Financial Group Inc. | 29,876 | $8.22M | 0.07% | −8,869−22.9% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 29,599 | $8.14M | 0.21% | +3,527+13.5% | Added |
| Unisphere Establishment | 29,500 | $8.12M | 0.06% | 00.0% | Unchanged |
| Blue Zone Wealth Advisors, LLC | 29,248 | $8.05M | 1.54% | +365+1.3% | Added |
| Natixis | 28,658 | $7.88M | 0.03% | +14,241+98.8% | Added |
| Mn Services Vermogensbeheer B.V. | 28,524 | $7.85M | 0.05% | +1,824+6.8% | Added |
| CI Private Wealth, LLC | 28,350 | $7.80M | 0.01% | +24+0.1% | Added |
| Cresset Asset Management, LLC | 27,757 | $7.64M | 0.03% | −428−1.5% | Reduced |
| Brasada Capital Management, LP | 26,997 | $7.46M | 1.28% | −1,114−4.0% | Reduced |
| Verition Fund Management LLC | 26,928 | $7.41M | 0.04% | +138+0.5% | Added |
| Truist Financial Corp | 26,607 | $7.32M | 0.01% | −2,500−8.6% | Reduced |
| The PNC Financial Services Group, Inc. | 26,581 | $7.31M | 0.00% | −427−1.6% | Reduced |
| Alpine Peaks Capital, LP | 26,483 | $7.29M | 6.96% | −350−1.3% | Reduced |
| State of Tennessee, Treasury Department | 31,169 | $7.20M | 0.02% | +15,115+94.2% | Added |
| Yousif Capital Management, LLC | 28,619 | $7.17M | 0.08% | −1,035−3.5% | Reduced |
| Victory Capital Management Inc | 25,534 | $7.03M | 0.00% | −509−2.0% | Reduced |
| KLP Kapitalforvaltning AS | 25,400 | $6.99M | 0.03% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 24,898 | $6.85M | 0.02% | −589−2.3% | Reduced |
| Panagora Asset Management Inc | 24,599 | $6.77M | 0.02% | +23,693+2,615.1% | Added |
| Allianz Asset Management GmbH | 24,250 | $6.67M | 0.01% | +3,454+16.6% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 24,222 | $6.66M | 0.03% | +172+0.7% | Added |
| Whittier Trust Co of Nevada Inc | 23,641 | $6.64M | 0.14% | −350−1.5% | Reduced |
| Toronto Dominion Bank | 24,037 | $6.61M | 0.01% | −6,594−21.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 23,919 | $6.58M | 0.01% | +2,922+13.9% | Added |
| Ieq Capital, LLC | 23,107 | $6.36M | 0.02% | +3,388+17.2% | Added |
| Mariner, LLC | 22,615 | $6.23M | 0.01% | +3,585+18.8% | Added |
| Jump Financial, LLC | 22,568 | $6.21M | 0.08% | +21,499+2,011.1% | Added |
| Pathstone Holdings, LLC | 22,316 | $6.14M | 0.02% | +708+3.3% | Added |
| Squarepoint Ops LLC | 22,019 | $6.06M | 0.01% | +20,101+1,048.0% | Added |
| La Banque Postale Asset Management SA | 22,009 | $6.06M | 0.07% | +19,819+905.0% | Added |
| Wealth Enhancement Advisory Services, LLC | 21,480 | $6.03M | 0.01% | −7,693−26.4% | Reduced |
| Public Employees Retirement System of Ohio | 21,545 | $5.93M | 0.02% | −818−3.7% | Reduced |
| KBC Group NV | 21,401 | $5.89M | 0.01% | +10,077+89.0% | Added |
| Swiss Life Asset Management Ltd | 21,299 | $5.86M | 0.03% | +1,811+9.3% | Added |
| Ameriprise Financial Inc | 21,054 | $5.79M | 0.00% | −1,615−7.1% | Reduced |