West Pharmaceutical ServicesWST
13F holders, Q4 2025 (December 31)804holders +46
85new positions
55sold out
12famous investors
$274.41avg. 13F price*
At the end of Q4 2025, 804 institutions reported holding West Pharmaceutical Services (WST) in their 13F filings, up 46 from Q3 2025. 85 opened new positions and 55 sold out. The largest holders were Vanguard Group Inc. ($2.6B), BlackRock, Inc. ($1.8B) and State Street Corp. ($894.8M). 12 famous investors held it, including Bill Gates / Michael Larson (0.3% of Gates Foundation Trust's portfolio), Andreas Halvorsen (0.2% of Viking Global Investors's portfolio) and Ron Baron (0.2% of Baron Capital (BAMCO)'s portfolio).
- Company
- West Pharmaceutical Services
- Sector
- Health Care
- CUSIP
- 955306105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 85 | $380.2M |
| Exits | 55 | $403.8M |
All 13F filers, Q3 2025 → Q4 2025: 6,704,946 shares bought and 7,070,799 shares sold, net −365,853 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 804 holders
| Vanguard Group Inc. | 0.04% | Reduce -1.7% | 9,539,173 | $2.6B |
| BlackRock, Inc. | 0.03% | Add +2.2% | 6,599,735 | $1.8B |
| State Street Corp. | 0.03% | Add +1.4% | 3,252,020 | $894.8M |
| Artisan Partners Limited Partnership | 1.20% | Add +2.9% | 2,850,401 | $784.3M |
| Bank of New York Mellon Corp | 0.13% | Reduce -8.3% | 2,662,035 | $732.4M |
| Brown Advisory Inc. | 0.75% | Reduce -22.2% | 1,943,606 | $534.8M |
| Geode Capital Management, LLC | 0.03% | Add +0.6% | 1,869,086 | $512.2M |
| Generation Investment Management LLP | 2.98% | Add +60.0% | 1,561,869 | $429.7M |
| Morgan Stanley | 0.03% | Add +3.6% | 1,531,858 | $421.5M |
| T. Rowe Price Investment Management, Inc. | 0.20% | Add +67.5% | 1,174,962 | $323.3M |
| Longview Partners (Guernsey) LTD | 3.25% | Add +221.2% | 1,131,026 | $311.2M |
| APG Asset Management N.V. | 0.80% | Reduce -15.2% | 1,199,005 | $280.9M |
| Norges Bank | 0.03% | — | 988,737 | $272.0M |
| Kayne Anderson Rudnick Investment Management LLC | 0.71% | Reduce -8.0% | 955,149 | $262.8M |
| Invesco Ltd. | 0.02% | Add +3.1% | 908,625 | $250.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.05% | Add +2.3% | 905,656 | $249.2M |
| Franklin Resources Inc. | 0.06% | Reduce -8.0% | 888,252 | $244.4M |
| Northern Trust Corp. | 0.03% | Reduce -2.5% | 726,512 | $199.9M |
| Van Eck Associates Corp. | 0.16% | Reduce -49.7% | 716,087 | $197.0M |
| Findlay Park Partners LLP | 2.34% | Reduce -16.9% | 666,926 | $183.5M |
| Jacobs Levy Equity Management, Inc. | 0.68% | Add +56.1% | 639,561 | $176.0M |
| TD Asset Management Inc | 0.13% | Reduce -0.1% | 605,726 | $166.7M |
| Sei Investments Co. | 0.16% | Add +12.2% | 591,757 | $162.8M |
| ProShare Advisors LLC | 0.28% | Reduce -4.2% | 586,847 | $161.5M |
| Charles Schwab Investment Management Inc. | 0.02% | Add +3.0% | 542,803 | $149.3M |
| Bank of America Corp. | 0.01% | Add +12.2% | 531,846 | $146.3M |
| AQR Capital Management | 0.07% | Reduce -5.2% | 517,631 | $142.4M |
| Epoch Investment Partners, Inc. | 0.79% | Reduce -3.9% | 505,305 | $139.0M |
| Legal & General Group Plc | 0.03% | Reduce -1.2% | 502,686 | $138.3M |
| Champlain Investment Partners, LLC | 1.32% | Add +3.6% | 475,355 | $130.8M |
| American Century Companies Inc. | 0.06% | Add +50.0% | 445,484 | $122.6M |
| Royal Bank of Canada | 0.02% | Reduce -20.5% | 444,860 | $122.4M |
| Gates Foundation Trust | 0.35% | No change | 444,500 | $122.3M |
| Goldman Sachs Group Inc. | 0.02% | Add +5.3% | 440,045 | $121.1M |
| Dimensional Fund Advisors LP | 0.03% | Add +14.8% | 437,360 | $120.3M |
| Steadfast Capital Management LP | 2.07% | Reduce -8.8% | 429,907 | $118.3M |
| Neuberger Berman Group LLC | 0.09% | Reduce -4.0% | 427,512 | $117.6M |
| Nuveen, LLC | 0.03% | Add +14.8% | 404,322 | $111.2M |
| State Farm Mutual Automobile Insurance Co. | 0.08% | No change | 388,239 | $106.8M |
| Deutsche Bank AG | 0.03% | Add +7.7% | 372,875 | $102.6M |
| Liontrust Investment Partners LLP | 1.50% | New | 366,188 | $100.8M |
| Amundi | 0.03% | Add +22.1% | 347,426 | $95.6M |
| T. Rowe Price Associates Inc. | 0.01% | Add +196.2% | 339,267 | $93.3M |
| DF Dent & Co. Inc. | 1.27% | Reduce -16.7% | 319,582 | $87.9M |
| Riverbridge Partners LLC | 1.64% | Reduce -12.1% | 318,613 | $87.7M |
| Arrowstreet Capital, Limited Partnership | 0.05% | Add +36.0% | 300,404 | $82.7M |
| Viking Global Investors | 0.22% | New | 295,028 | $81.2M |
| Seilern Investment Management Ltd | 5.94% | Reduce -14.9% | 278,229 | $76.6M |
| JPMorgan Chase & Co. | 0.01% | Add +16.0% | 274,960 | $75.7M |
| Rhumbline Advisers | 0.06% | Add +12.0% | 272,192 | $74.9M |
| Baron Capital (BAMCO) | 0.20% | Reduce -12.5% | 263,189 | $72.4M |
| Assenagon Asset Management S.A. | 0.10% | Add +32.9% | 251,006 | $69.1M |
| UBS Group AG | 0.01% | Reduce -15.1% | 250,398 | $68.9M |
| Envestnet Asset Management Inc. | 0.02% | Reduce -22.9% | 248,112 | $68.3M |
| Citadel Advisors | 0.05% | Reduce -66.2% | 245,640 | $67.6M |
| Brown Brothers Harriman & Co. | 0.36% | Reduce -2.7% | 240,691 | $66.2M |
| Border to Coast Pensions Partnership Ltd | 1.13% | Add +51.7% | 236,307 | $65.1M |
| Point72 Asset Management | 0.11% | Reduce -64.3% | 235,037 | $64.7M |
| Jane Street Group, LLC | 0.07% | Add +506.3% | 219,746 | $60.5M |
| BNP Paribas Financial Markets | 0.04% | Add +75.9% | 213,333 | $58.7M |
| LGT Group Foundation | 0.62% | Reduce -2.1% | 205,087 | $56.8M |
| Federated Hermes, Inc. | 0.09% | Reduce -12.1% | 200,066 | $55.0M |
| Swiss National Bank | 0.03% | Reduce -4.9% | 197,040 | $54.2M |
| Schroder Investment Management Group | 0.04% | Add +19.2% | 179,173 | $49.6M |
| Vest Financial, LLC | 0.62% | Reduce -9.4% | 178,079 | $49.0M |
| Sumitomo Mitsui Trust Group, Inc. | 0.03% | Reduce -6.6% | 176,116 | $48.5M |
| Russell Investments Group, Ltd. | 0.05% | Add +25.3% | 172,102 | $47.4M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.03% | Add +1.3% | 167,203 | $46.2M |
| Prudential Financial Inc. | 0.05% | Add +57.8% | 163,091 | $44.9M |
| Ami Asset Management Corp. | 2.48% | Reduce -2.4% | 159,039 | $43.8M |
| Nomura Asset Management Co. Ltd. | 0.11% | Reduce -4.5% | 154,502 | $42.5M |
| Birch Hill Investment Advisors LLC | 1.75% | Add +11.5% | 152,148 | $41.9M |
| Pictet Asset Management Holding SA | 0.04% | Reduce -20.1% | 151,997 | $41.8M |
| HSBC Holdings PLC | 0.02% | Add +23.3% | 146,872 | $40.4M |
| Baird Financial Group, Inc. | 0.06% | Add +20.2% | 146,206 | $40.2M |
| Citigroup Inc. | 0.03% | Add +76.0% | 145,656 | $40.1M |
| Barclays PLC | 0.02% | Add +1.6% | 142,185 | $39.1M |
| Two Sigma Investments, LP | 0.06% | Add +38.3% | 139,939 | $38.5M |
| Walleye Capital LLC | 0.23% | Add +443.7% | 134,453 | $37.0M |
| Bank of Montreal | 0.01% | Reduce -0.2% | 132,649 | $36.5M |
| Holocene Advisors, LP | 0.07% | Reduce -31.7% | 127,717 | $35.1M |
| HRT Financial LP | 0.11% | Add +5223.9% | 127,188 | $35.0M |
| Asset Management One Co., Ltd. | 0.10% | Add +79.2% | 125,004 | $34.4M |
| California Public Employees Retirement System | 0.02% | Add +0.7% | 123,336 | $33.9M |
| Annex Advisory Services, LLC | 0.65% | Add +8.7% | 122,958 | $33.8M |
| Conestoga Capital Advisors, LLC | 0.57% | Add +21.8% | 122,791 | $33.8M |
| Local Pensions Partnership Investment Ltd | 0.59% | Reduce -4.3% | 120,880 | $33.3M |
| Canada Pension Plan Investment Board | 0.02% | Reduce -28.6% | 114,410 | $31.5M |
| California State Teachers Retirement System | 0.03% | Reduce -3.4% | 113,570 | $31.2M |
| Korea Investment CORP | 0.06% | Add +97.8% | 110,970 | $30.5M |
| Millennium Management | 0.02% | Reduce -64.7% | 110,393 | $30.4M |
| Nan Shan Life Insurance Co., Ltd. | 0.93% | No change | 109,867 | $30.2M |
| FMR LLC | 0.00% | Add +147.2% | 109,654 | $30.2M |
| Wells Fargo & Company | 0.01% | Reduce -2.1% | 106,711 | $29.4M |
| Susquehanna Portfolio Strategies, LLC | 0.45% | Add +26.9% | 106,451 | $29.3M |
| Quantinno Capital Management LP | 0.06% | Add +14.2% | 105,406 | $29.0M |
| Renaissance Technologies | 0.04% | New | 104,736 | $28.8M |
| EULAV Asset Management | 0.77% | No change | 104,616 | $28.8M |
| Raymond James Financial Inc. | 0.01% | Reduce -14.9% | 102,448 | $28.2M |
| Mackenzie Financial Corp. | 0.03% | Add +10.0% | 101,911 | $28.2M |
"% of holder's portfolio" is WST's weight in each manager's 13F, not the share of West Pharmaceutical Services the manager owns.