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, Q3 2025
Institutional positions in West Pharmaceutical Services Inc as of Sep 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
- 758
- +35 vs. Q2 2025
- Shares held
- 68.8M
- −323.3K (−0.5%) vs. Q2 2025
- Total value
- $18.0B
- +$2.90B (+19.3%) vs. Q2 2025
- New holders
- 119
- 270 more added
- Sold out
- 84
- 248 more reduced
10 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding West Pharmaceutical Services Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Toronto Dominion Bank | 30,631 | $8.04M | 0.02% | −483−1.6% | Reduced |
| Cetera Investment Advisers | 30,814 | $8.08M | 0.01% | +6,423+26.3% | Added |
| Danske Bank A/S | 31,863 | $8.36M | 0.02% | +1,754+5.8% | Added |
| Oppenheimer Asset Management Inc. | 32,124 | $8.43M | 0.09% | −60−0.2% | Reduced |
| Treasurer of the State of North Carolina | 32,186 | $8.44M | 0.03% | −1,252−3.7% | Reduced |
| ING Groep NV | 32,434 | $8.51M | 0.05% | −5,557−14.6% | Reduced |
| Thrivent Financial for Lutherans | 33,311 | $8.74M | 0.02% | +4,101+14.0% | Added |
| Parnassus Investments | 33,568 | $8.81M | 0.02% | −35,680−51.5% | Reduced |
| North Growth Management Ltd. | 34,000 | $8.93M | 1.55% | +5,000+17.2% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 34,565 | $9.07M | 0.02% | −1,943−5.3% | Reduced |
| Jane Street Group, LLC | 36,245 | $9.51M | 0.01% | +612+1.7% | Added |
| Chevy Chase Trust Holdings, Inc. | 36,698 | $9.63M | 0.03% | −1,250−3.3% | Reduced |
| Los Angeles Capital Management LLC | 36,941 | $9.69M | 0.03% | +25,707+228.8% | Added |
| Jennison Associates LLC | 37,230 | $9.77M | 0.01% | +37,230 | New |
| Nisa Investment Advisors, LLC | 37,551 | $9.85M | 0.04% | +2,723+7.8% | Added |
| State of Wisconsin Investment Board | 37,898 | $9.94M | 0.02% | −9,927−20.8% | Reduced |
| Stifel Financial Corp | 38,393 | $10.1M | 0.01% | −141−0.4% | Reduced |
| Jefferies Financial Group Inc. | 38,745 | $10.2M | 0.09% | +1,500+4.0% | Added |
| Bright Rock Capital Management, LLC | 40,000 | $10.5M | 2.06% | 00.0% | Unchanged |
| ICICI Prudential Asset Management Co Ltd | 40,638 | $10.7M | 1.13% | −6,362−13.5% | Reduced |
| William Blair Investment Management, LLC | 40,805 | $10.7M | 0.03% | −325,347−88.9% | Reduced |
| McCollum Christoferson Group LLC | 41,701 | $10.9M | 3.13% | −1,932−4.4% | Reduced |
| Comerica Bank | 43,013 | $11.3M | 0.04% | −1,951−4.3% | Reduced |
| Manufacturers Life Insurance Company, The | 43,813 | $11.5M | 0.01% | +266+0.6% | Added |
| FMR LLC | 44,364 | $11.6M | 0.00% | −60,420−57.7% | Reduced |
| National Bank of Canada | 45,303 | $11.9M | 0.01% | −5,623−11.0% | Reduced |
| Balyasny Asset Management LLC | 45,673 | $12.0M | 0.02% | +45,673 | New |
| Grace & White Inc | 45,730 | $12.0M | 2.12% | 00.0% | Unchanged |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 46,520 | $12.2M | 0.02% | +752+1.6% | Added |
| Whittier Trust Co | 45,778 | $12.5M | 0.14% | +590+1.3% | Added |
| Janney Montgomery Scott LLC | 48,258 | $12.7M | 0.03% | −2,373−4.7% | Reduced |
| Public Employees Retirement Association of Colorado | 48,695 | $12.8M | 0.05% | −1,027−2.1% | Reduced |
| FIL Ltd | 51,689 | $13.6M | 0.01% | +51,088+8,500.5% | Added |
| Royal London Asset Management Ltd | 51,702 | $13.6M | 0.03% | +16,598+47.3% | Added |
| BLI - Banque de Luxembourg Investments | 52,900 | $13.8M | 0.40% | 00.0% | Unchanged |
| Vident Advisory, LLC | 54,058 | $14.2M | 0.14% | +1,991+3.8% | Added |
| Adage Capital Partners GP, L.L.C. | 55,507 | $14.6M | 0.02% | −10,300−15.7% | Reduced |
| Korea Investment CORP | 56,097 | $14.7M | 0.03% | +31,635+129.3% | Added |
| Ossiam | 56,108 | $14.7M | 0.19% | +48,814+669.2% | Added |
| Natixis Advisors, L.P. | 56,862 | $14.9M | 0.02% | +500+0.9% | Added |
| Aviva PLC | 58,577 | $15.4M | 0.03% | +3,012+5.4% | Added |
| New York State Teachers Retirement System | 58,732 | $15.4M | 0.03% | −140.0% | Reduced |
| Creative Planning | 59,945 | $15.7M | 0.01% | +7,684+14.7% | Added |
| Handelsbanken Fonder AB | 60,780 | $15.9M | 0.05% | +858+1.4% | Added |
| Blair William & Co | 63,999 | $16.8M | 0.04% | −7,737−10.8% | Reduced |
| Standard Life Aberdeen plc | 66,809 | $17.4M | 0.03% | +951+1.4% | Added |
| State Board of Administration of Florida Retirement System | 67,339 | $17.7M | 0.03% | −2,858−4.1% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 68,893 | $18.1M | 0.03% | +42,606+162.1% | Added |
| Asset Management One Co.,Ltd. | 69,775 | $18.3M | 0.05% | +10,009+16.7% | Added |
| Iron Triangle Partners LP | 70,000 | $18.4M | 2.61% | +70,000 | New |
| RMB Capital Management, LLC | 74,493 | $19.5M | 0.36% | −2,232−2.9% | Reduced |
| Great West Life Assurance Co | 76,443 | $19.9M | 0.03% | −240.0% | Reduced |
| LPL Financial LLC | 76,628 | $20.1M | 0.01% | −13,833−15.3% | Reduced |
| Citigroup Inc | 82,767 | $21.7M | 0.01% | −12,306−12.9% | Reduced |
| Alliancebernstein L.P. | 83,028 | $21.8M | 0.01% | +1,140+1.4% | Added |
| Rockland Trust Co | 83,066 | $21.8M | 0.89% | +5,087+6.5% | Added |
| Principal Financial Group Inc | 83,449 | $21.9M | 0.01% | +125+0.2% | Added |
| Susquehanna Portfolio Strategies, LLC | 83,859 | $22.0M | 0.35% | +83,859 | New |
| New York State Common Retirement Fund | 87,915 | $23.1M | 0.03% | +10,409+13.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 89,403 | $23.4M | 0.06% | +38,067+74.2% | Added |
| Quantinno Capital Management LP | 92,326 | $24.2M | 0.07% | +52,890+134.1% | Added |
| Mackenzie Financial Corp | 92,670 | $24.3M | 0.03% | +84,260+1,001.9% | Added |
| Moore Capital Management, LP | 95,000 | $24.9M | 0.50% | +95,000 | New |
| Ninety One UK Ltd | 97,918 | $25.7M | 0.06% | −2,707−2.7% | Reduced |
| Conestoga Capital Advisors, LLC | 100,783 | $26.4M | 0.42% | −7,124−6.6% | Reduced |
| Two Sigma Investments, LP | 101,201 | $26.5M | 0.04% | −482,864−82.7% | Reduced |
| Man Group plc | 102,485 | $26.9M | 0.05% | +2,507+2.5% | Added |
| Prudential Financial Inc | 103,344 | $27.1M | 0.03% | +24,892+31.7% | Added |
| Ensign Peak Advisors, Inc | 103,522 | $27.2M | 0.04% | +9,946+10.6% | Added |
| EULAV Asset Management | 104,616 | $27.4M | 0.64% | −33,000−24.0% | Reduced |
| Wells Fargo & Company | 109,023 | $28.6M | 0.01% | +3,409+3.2% | Added |
| Nan Shan Life Insurance Co., Ltd. | 109,867 | $28.8M | 0.61% | −413−0.4% | Reduced |
| Annex Advisory Services, LLC | 113,158 | $29.7M | 0.63% | +44,028+63.7% | Added |
| Price T Rowe Associates Inc | 114,545 | $30.1M | 0.00% | −3,084−2.6% | Reduced |
| Credit Agricole S A | 115,623 | $30.3M | 0.10% | +115,623 | New |
| California State Teachers Retirement System | 117,516 | $30.8M | 0.03% | −59−0.1% | Reduced |
| HSBC Holdings PLC | 119,127 | $31.3M | 0.02% | −13,131−9.9% | Reduced |
| Raymond James Financial Inc | 120,450 | $31.6M | 0.01% | −6,221−4.9% | Reduced |
| BNP Paribas Arbitrage, SA | 121,300 | $31.8M | 0.02% | −243,876−66.8% | Reduced |
| Baird Financial Group, Inc. | 121,603 | $31.9M | 0.05% | −32,226−20.9% | Reduced |
| California Public Employees Retirement System | 122,506 | $32.1M | 0.02% | +28,250+30.0% | Added |
| Local Pensions Partnership Investment Ltd | 126,380 | $33.2M | 0.57% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 127,146 | $33.4M | 0.03% | −157,190−55.3% | Reduced |
| Bank of Montreal | 132,971 | $34.9M | 0.02% | −26,513−16.6% | Reduced |
| Birch Hill Investment Advisors LLC | 136,470 | $35.8M | 1.51% | +63,638+87.4% | Added |
| Russell Investments Group, Ltd. | 137,394 | $36.0M | 0.04% | −22,663−14.2% | Reduced |
| Barclays PLC | 140,016 | $36.7M | 0.01% | −59,572−29.8% | Reduced |
| Schroder Investment Management Group | 150,277 | $39.4M | 0.03% | +23,474+18.5% | Added |
| Border to Coast Pensions Partnership Ltd | 155,732 | $40.9M | 0.71% | +155,732 | New |
| Canada Pension Plan Investment Board | 160,219 | $42.0M | 0.03% | +95,117+146.1% | Added |
| Nomura Asset Management Co Ltd | 161,721 | $42.4M | 0.11% | −28,506−15.0% | Reduced |
| Ami Asset Management Corp | 163,000 | $42.8M | 2.39% | −2,305−1.4% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 165,073 | $43.3M | 0.03% | +5,217+3.3% | Added |
| Freestone Grove Partners LP | 166,342 | $43.6M | 0.33% | +165,239+14,980.9% | Added |
| Worldquant Millennium Advisors LLC | 183,670 | $48.2M | 0.21% | −129,651−41.4% | Reduced |
| Holocene Advisors, LP | 187,111 | $49.1M | 0.11% | +187,111 | New |
| Sumitomo Mitsui Trust Holdings, Inc. | 188,495 | $49.4M | 0.03% | −3,148−1.6% | Reduced |
| Assenagon Asset Management S.A. | 188,867 | $49.5M | 0.07% | +35,408+23.1% | Added |
| Pictet Asset Management Holding SA | 190,113 | $49.9M | 0.05% | −20,389−9.7% | Reduced |
| CBOE Vest Financial, LLC | 196,461 | $51.5M | 0.67% | −48,353−19.8% | Reduced |