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 2026
Institutional positions in West Pharmaceutical Services Inc as of Mar 31, 2026. 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
- 755
- −37 vs. Q4 2025
- Shares held
- 71.1M
- +12.2M (+20.8%) vs. Q4 2025
- Total value
- $17.8B
- +$1.62B (+10.0%) vs. Q4 2025
- New holders
- 89
- 265 more added
- Sold out
- 126
- 281 more reduced
12 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding West Pharmaceutical Services Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Whittier Trust Co of Nevada Inc | 10,009 | $2.57M | 0.05% | −13,632−57.7% | Reduced |
| Swedbank AB | 10,423 | $2.61M | 0.00% | 00.0% | Unchanged |
| NLB Skladi, upravljanje premozenja, d.o.o. | 10,486 | $2.63M | 0.13% | +6,486+162.2% | Added |
| Rakuten Investment Management, Inc. | 10,797 | $2.65M | 0.01% | +1,221+12.8% | Added |
| Assetmark, Inc | 10,599 | $2.66M | 0.01% | −2,394−18.4% | Reduced |
| New York Life Investment Management LLC | 10,672 | $2.67M | 0.02% | +267+2.6% | Added |
| Police & Firemen's Retirement System of New Jersey | 10,966 | $2.75M | 0.02% | 00.0% | Unchanged |
| Utah Retirement Systems | 11,620 | $2.91M | 0.03% | −193−1.6% | Reduced |
| Public Sector Pension Investment Board | 11,654 | $2.92M | 0.01% | +2,254+24.0% | Added |
| Franklin Resources Inc | 11,656 | $2.92M | 0.00% | −876,596−98.7% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 11,692 | $2.98M | 0.01% | −9,788−45.6% | Reduced |
| Cerity Partners LLC | 12,292 | $3.08M | 0.00% | −4,993−28.9% | Reduced |
| Mariner, LLC | 12,434 | $3.12M | 0.00% | −10,181−45.0% | Reduced |
| PensionDanmark Pensionsforsikringsaktieselskab | 12,460 | $3.12M | 0.03% | −1,820−12.7% | Reduced |
| CWM Advisors, LLC | 12,486 | $3.13M | 0.18% | +3,736+42.7% | Added |
| Xponance, Inc. | 12,543 | $3.14M | 0.02% | +1,641+15.1% | Added |
| Summit Financial, LLC | 12,601 | $3.16M | 0.04% | +48+0.4% | Added |
| Eurizon Capital SGR S.p.A. | 12,627 | $3.16M | 0.01% | +12,627 | New |
| Omers Administration Corp | 12,769 | $3.20M | 0.02% | +2,442+23.6% | Added |
| Employees Retirement System of Texas | 12,966 | $3.25M | 0.03% | 00.0% | Unchanged |
| Amalgamated Bank | 13,077 | $3.28M | 0.03% | −523−3.8% | Reduced |
| Endowment Wealth Management, Inc. | 13,231 | $3.32M | 1.47% | +12+0.1% | Added |
| Motley Fool Wealth Management, LLC | 13,322 | $3.34M | 0.38% | −6,155−31.6% | Reduced |
| Prudential PLC | 13,413 | $3.36M | 0.03% | −2,185−14.0% | Reduced |
| SEB Asset Management AB | 13,478 | $3.38M | 0.01% | +13,478 | New |
| William Allan, LLC | 13,526 | $3.39M | 2.01% | +363+2.8% | Added |
| Kornitzer Capital Management Inc | 13,668 | $3.43M | 0.07% | +13,668 | New |
| IFM Investors Pty Ltd | 13,773 | $3.45M | 0.03% | +43+0.3% | Added |
| Millennium Management LLC | 13,775 | $3.45M | 0.00% | −96,618−87.5% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 14,001 | $3.51M | 0.18% | +3,006+27.3% | Added |
| D. E. Shaw & Co., Inc. | 14,001 | $3.51M | 0.00% | +14,001 | New |
| Voya Investment Management LLC | 14,183 | $3.55M | 0.00% | −32−0.2% | Reduced |
| Landscape Capital Management, L.L.C. | 14,429 | $3.62M | 0.23% | +7,998+124.4% | Added |
| Quantitative Investment Management, LLC | 14,528 | $3.64M | 0.38% | +10,928+303.6% | Added |
| Ilmarinen Mutual Pension Insurance Co | 14,716 | $3.69M | 0.03% | +3,716+33.8% | Added |
| DnB Asset Management AS | 14,828 | $3.72M | 0.01% | +381+2.6% | Added |
| Jefferies Financial Group Inc. | 14,875 | $3.73M | 0.05% | −15,001−50.2% | Reduced |
| Tobam | 15,074 | $3.78M | 0.98% | −921−5.8% | Reduced |
| Retirement Systems of Alabama | 15,278 | $3.83M | 0.01% | −26−0.2% | Reduced |
| Sterling Capital Management LLC | 16,564 | $4.15M | 0.08% | −1,984−10.7% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 16,759 | $4.20M | 0.02% | +25+0.1% | Added |
| MetLife Investment Management | 16,802 | $4.21M | 0.02% | −439−2.5% | Reduced |
| Hilton Capital Management, LLC | 17,043 | $4.27M | 0.32% | +6,776+66.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 17,094 | $4.28M | 0.01% | −6,825−28.5% | Reduced |
| CIBC Asset Management Inc | 17,222 | $4.32M | 0.01% | +266+1.6% | Added |
| Natixis | 17,576 | $4.41M | 0.02% | −11,082−38.7% | Reduced |
| Mediolanum International Funds Ltd | 18,117 | $4.44M | 0.05% | +11,879+190.4% | Added |
| Daiwa Securities Group Inc. | 17,823 | $4.47M | 0.01% | +1,295+7.8% | Added |
| Motley Fool Asset Management LLC | 18,074 | $4.53M | 0.19% | −1,092−5.7% | Reduced |
| Illinois Municipal Retirement Fund | 18,100 | $4.54M | 0.06% | −2,363−11.5% | Reduced |
| Apella Capital, LLC | 16,838 | $4.61M | 0.07% | +70.0% | Added |
| Fisher Asset Management, LLC | 18,638 | $4.67M | 0.00% | +62+0.3% | Added |
| M&T Bank Corp | 18,997 | $4.76M | 0.02% | −1,458−7.1% | Reduced |
| ICICI Prudential Asset Management Co Ltd | 19,118 | $4.79M | 0.58% | 00.0% | Unchanged |
| USS Investment Management Ltd | 19,207 | $4.82M | 0.02% | +721+3.9% | Added |
| State of Michigan Retirement System | 19,456 | $4.88M | 0.03% | 00.0% | Unchanged |
| Arizona State Retirement System | 19,549 | $4.90M | 0.03% | −188−1.0% | Reduced |
| Czech National Bank | 19,593 | $4.91M | 0.03% | +623+3.3% | Added |
| Whittier Trust Co | 19,990 | $5.13M | 0.06% | −25,491−56.0% | Reduced |
| Public Employees Retirement System of Ohio | 20,835 | $5.22M | 0.02% | −710−3.3% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 20,913 | $5.24M | 0.02% | +3,475+19.9% | Added |
| Toronto Dominion Bank | 21,221 | $5.32M | 0.01% | −2,816−11.7% | Reduced |
| Mackenzie Financial Corp | 21,292 | $5.34M | 0.01% | −80,619−79.1% | Reduced |
| Toroso Investments, LLC | 21,330 | $5.35M | 0.02% | +21,330 | New |
| NFJ Investment Group, LLC | 21,606 | $5.42M | 0.21% | +21,606 | New |
| Swiss Life Asset Management Ltd | 21,668 | $5.43M | 0.03% | +369+1.7% | Added |
| TD Waterhouse Canada Inc. | 21,952 | $5.54M | 0.02% | +19,845+941.9% | Added |
| Qube Research & Technologies Ltd | 22,304 | $5.59M | 0.01% | −73,726−76.8% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 23,053 | $5.79M | 0.03% | +2,607+12.8% | Added |
| Bridgewater Associates, LP | 23,161 | $5.81M | 0.03% | +19,088+468.6% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 23,443 | $5.88M | 0.03% | −779−3.2% | Reduced |
| Pathstone Holdings, LLC | 23,596 | $5.91M | 0.02% | +1,280+5.7% | Added |
| Squarepoint Ops LLC | 23,661 | $5.93M | 0.01% | +1,642+7.5% | Added |
| Cetera Investment Advisers | 24,058 | $6.03M | 0.01% | −6,077−20.2% | Reduced |
| Truist Financial Corp | 24,412 | $6.12M | 0.01% | −2,195−8.2% | Reduced |
| State of New Jersey Common Pension Fund D | 24,898 | $6.24M | 0.02% | 00.0% | Unchanged |
| FIL Ltd | 25,439 | $6.38M | 0.00% | −26,906−51.4% | Reduced |
| Jones Financial Companies LLLP | 26,246 | $6.39M | 0.00% | +24,703+1,601.0% | Added |
| ExodusPoint Capital Management, LP | 26,814 | $6.72M | 0.07% | +10,246+61.8% | Added |
| Oppenheimer Asset Management Inc. | 27,197 | $6.82M | 0.08% | −3,563−11.6% | Reduced |
| Tredje AP-fonden | 27,257 | $6.83M | 0.04% | +17,074+167.7% | Added |
| Victory Capital Management Inc | 27,406 | $6.87M | 0.00% | +1,872+7.3% | Added |
| The PNC Financial Services Group, Inc. | 27,408 | $6.87M | 0.00% | +827+3.1% | Added |
| CIBC Bancorp USA Inc. | 27,424 | $6.87M | 0.01% | +27,424 | New |
| KLP Kapitalforvaltning AS | 27,520 | $6.90M | 0.03% | +2,120+8.3% | Added |
| DekaBank Deutsche Girozentrale | 27,611 | $6.98M | 0.01% | 00.0% | Unchanged |
| First Trust Advisors LP | 27,864 | $6.98M | 0.00% | +13,080+88.5% | Added |
| Ensign Peak Advisors, Inc | 28,409 | $7.12M | 0.01% | −61,328−68.3% | Reduced |
| Mn Services Vermogensbeheer B.V. | 28,524 | $7.15M | 0.05% | 00.0% | Unchanged |
| Blue Zone Wealth Advisors, LLC | 29,068 | $7.29M | 1.48% | −180−0.6% | Reduced |
| Unisphere Establishment | 29,500 | $7.39M | 0.06% | 00.0% | Unchanged |
| Alpine Peaks Capital, LP | 29,883 | $7.49M | 7.57% | +3,400+12.8% | Added |
| Robeco Institutional Asset Management B.V. | 30,082 | $7.54M | 0.01% | +17,203+133.6% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 30,600 | $7.67M | 0.04% | +10,990+56.0% | Added |
| Treasurer of the State of North Carolina | 30,645 | $7.68M | 0.02% | +651+2.2% | Added |
| Resona Asset Management Co.,Ltd. | 31,088 | $7.72M | 0.04% | +1,060+3.5% | Added |
| Cresset Asset Management, LLC | 31,045 | $7.78M | 0.03% | +3,288+11.8% | Added |
| Danske Bank A/S | 31,248 | $7.83M | 0.02% | −2,269−6.8% | Reduced |
| Yousif Capital Management, LLC | 31,260 | $7.83M | 0.09% | +2,641+9.2% | Added |
| Capital Fund Management S.A. | 32,249 | $8.08M | 0.07% | +32,249 | New |