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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; 833 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 2026

Institutional positions in West Pharmaceutical Services Inc as of Jun 30, 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
833
+87 vs. Q1 2026
Shares held
70.5M
−608.2K (−0.9%) vs. Q1 2026
Total value
$25.2B
+$7.48B (+42.1%) vs. Q1 2026
New holders
149
304 more added
Sold out
62
260 more reduced

9 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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.

Institutional holdersQ2 2026: 833 institutions
Q1 2021: 591 institutionsQ2 2021: 641 institutionsQ3 2021: 672 institutionsQ4 2021: 731 institutionsQ1 2022: 718 institutionsQ2 2022: 657 institutionsQ3 2022: 638 institutionsQ4 2022: 638 institutionsQ1 2023: 698 institutionsQ2 2023: 735 institutionsQ3 2023: 759 institutionsQ4 2023: 784 institutionsQ1 2024: 778 institutionsQ2 2024: 778 institutionsQ3 2024: 733 institutionsQ4 2024: 747 institutionsQ1 2025: 715 institutionsQ2 2025: 733 institutionsQ3 2025: 758 institutionsQ4 2025: 804 institutionsQ1 2026: 755 institutionsQ2 2026: 833 institutions
Value heldQ2 2026: $25.2B
Q1 2021: $19.3BQ2 2021: $24.7BQ3 2021: $28.5BQ4 2021: $32.2BQ1 2022: $28.2BQ2 2022: $20.6BQ3 2022: $16.9BQ4 2022: $16.3BQ1 2023: $24.0BQ2 2023: $26.0BQ3 2023: $25.8BQ4 2023: $24.1BQ1 2024: $27.0BQ2 2024: $22.4BQ3 2024: $20.5BQ4 2024: $22.9BQ1 2025: $15.6BQ2 2025: $15.3BQ3 2025: $18.0BQ4 2025: $19.1BQ1 2026: $17.8BQ2 2026: $25.2B
Institutions holding WST and their total value by quarter
QuarterHoldersValue
Q2 2026833$25.2B
Q1 2026755$17.8B
Q4 2025804$19.1B
Q3 2025758$18.0B
Q2 2025733$15.3B
Q1 2025715$15.6B
Q4 2024747$22.9B
Q3 2024733$20.5B
Q2 2024778$22.4B
Q1 2024778$27.0B
Q4 2023784$24.1B
Q3 2023759$25.8B
Q2 2023735$26.0B
Q1 2023698$24.0B
Q4 2022638$16.3B
Q3 2022638$16.9B
Q2 2022657$20.6B
Q1 2022718$28.2B
Q4 2021731$32.2B
Q3 2021672$28.5B
Q2 2021641$24.7B
Q1 2021591$19.3B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding West Pharmaceutical Services Inc; share changes are against Q1 2026.

Institutions holding WST in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Woodline Partners LP15,498$5.56M0.02%+12,692+452.3%Added
ICICI Prudential Asset Management Co Ltd15,618$5.61M0.61%−3,500−18.3%Reduced
Sterling Capital Management LLC15,904$5.71M0.10%−660−4.0%Reduced
DnB Asset Management AS15,960$5.73M0.02%+1,132+7.6%Added
MetLife Investment Management16,150$5.80M0.03%−652−3.9%Reduced
IFM Investors Pty Ltd16,381$5.88M0.04%+2,608+18.9%Added
M&T Bank Corp16,484$5.92M0.02%−2,513−13.2%Reduced
Apella Capital, LLC16,856$6.00M0.08%+18+0.1%Added
CIBC Asset Management Inc16,735$6.01M0.01%−487−2.8%Reduced
CIBC World Markets Inc.16,794$6.03M0.01%+7,004+71.5%Added
Motley Fool Asset Management LLC17,372$6.24M0.24%−702−3.9%Reduced
Daiwa Securities Group Inc.17,876$6.42M0.01%+53+0.3%Added
Hilton Capital Management, LLC17,923$6.43M0.44%+880+5.2%Added
Mirae Asset Global ETFs Holdings Ltd.18,652$6.53M0.01%+9,462+103.0%Added
Two Sigma Investments, LP18,227$6.54M0.00%−207,404−91.9%Reduced
Capricorn Fund Managers Ltd18,700$6.71M0.54%+18,700New
State of Michigan Retirement System18,756$6.73M0.03%−700−3.6%Reduced
Engineers Gate Manager LP18,868$6.77M0.09%+15,653+486.9%Added
DekaBank Deutsche Girozentrale27,611$6.84M0.01%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)19,070$6.85M0.01%+1,976+11.6%Added
Alpine Peaks Capital, LP19,191$6.89M8.07%−10,692−35.8%Reduced
Whittier Trust Co19,731$7.06M0.07%−259−1.3%Reduced
Czech National Bank20,109$7.22M0.04%+516+2.6%Added
Arizona State Retirement System20,649$7.41M0.04%+1,100+5.6%Added
PFM Health Sciences, LP20,733$7.44M0.65%+20,733New
Mn Services Vermogensbeheer B.V.20,824$7.48M0.06%−7,700−27.0%Reduced
TD Waterhouse Canada Inc.20,534$7.49M0.02%−1,418−6.5%Reduced
CIBC Bancorp USA Inc.21,225$7.62M0.01%−6,199−22.6%Reduced
Nordea Investment Management AB21,588$7.62M0.01%−19,090−46.9%Reduced
Millennium Management LLC21,290$7.64M0.01%+7,515+54.6%Added
Mackenzie Financial Corp21,356$7.67M0.01%+64+0.3%Added
Verition Fund Management LLC21,511$7.72M0.05%+21,511New
NFJ Investment Group, LLC21,614$7.76M0.26%+80.0%Added
Toronto Dominion Bank21,624$7.76M0.01%+403+1.9%Added
Dai-Ichi Life Insurance Company, Ltd21,847$7.84M0.18%+21,847New
Mirae Asset Global Investments Co., Ltd.21,896$7.86M0.01%+983+4.7%Added
Cullen/Frost Bankers, Inc.22,640$8.13M0.08%+22,640New
Lansforsakringar Fondforvaltning AB (publ)22,998$8.26M0.04%−445−1.9%Reduced
FIL Ltd23,044$8.27M0.01%−2,395−9.4%Reduced
Canada Pension Plan Investment Board23,070$8.28M0.00%−112,300−83.0%Reduced
Unisphere Establishment23,200$8.33M0.07%−6,300−21.4%Reduced
State of New Jersey Common Pension Fund D23,365$8.39M0.03%−1,533−6.2%Reduced
Tudor Investment Corp Et Al23,851$8.56M0.04%−41,564−63.5%Reduced
Cetera Investment Advisers23,974$8.61M0.01%−84−0.3%Reduced
Pathstone Holdings, LLC24,202$8.70M0.03%+606+2.6%Added
Nykredit A/S24,456$8.78M0.03%+24,456New
Wasatch Advisors Inc24,670$8.86M0.06%+24,670New
Mediolanum International Funds Ltd24,994$8.86M0.08%+6,877+38.0%Added
Robeco Institutional Asset Management B.V.24,952$8.96M0.01%−5,130−17.1%Reduced
Oppenheimer Asset Management Inc.25,370$9.11M0.09%−1,827−6.7%Reduced
Blue Zone Wealth Advisors, LLC25,839$9.28M1.62%−3,229−11.1%Reduced
Cramer Rosenthal McGlynn LLC26,270$9.43M0.48%+26,270New
Bank of Nova Scotia26,814$9.63M0.01%−38,509−59.0%Reduced
Empowered Funds, LLC27,152$9.75M0.05%+24,435+899.3%Added
Wiley Bros.-Aintree Capital, LLC27,370$9.84M0.04%+4,317+18.7%Added
Madison Asset Management, LLC27,574$9.90M0.12%+27,574New
Victory Capital Management Inc27,803$9.98M0.01%+397+1.4%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main27,963$10.0M0.01%+27,520+6,212.2%Added
The PNC Financial Services Group, Inc.28,388$10.2M0.01%+980+3.6%Added
KLP Kapitalforvaltning AS28,820$10.3M0.03%+1,300+4.7%Added
BLI - Banque de Luxembourg Investments29,125$10.4M0.37%−20,775−41.6%Reduced
Truist Financial Corp29,089$10.4M0.01%+4,677+19.2%Added
Resona Asset Management Co.,Ltd.29,287$10.5M0.05%−1,801−5.8%Reduced
Ensign Peak Advisors, Inc29,576$10.6M0.02%+1,167+4.1%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund29,600$10.6M0.05%−1,000−3.3%Reduced
Treasurer of the State of North Carolina29,785$10.7M0.03%−860−2.8%Reduced
Stifel Financial Corp30,229$10.9M0.01%−6,141−16.9%Reduced
Andra AP-fonden30,737$11.0M0.13%−24,270−44.1%Reduced
ExodusPoint Capital Management, LP30,860$11.1M0.10%+4,046+15.1%Added
Renaissance Technologies LLC30,900$11.1M0.02%−178,760−85.3%Reduced
Franklin Resources Inc30,978$11.1M0.00%+19,322+165.8%Added
Alyeska Investment Group, L.P.31,000$11.1M0.03%+31,000New
Nan Shan Life Insurance Co., Ltd.31,216$11.2M0.35%−78,651−71.6%Reduced
Swiss Life Asset Management Ltd31,799$11.4M0.05%+10,131+46.8%Added
Yousif Capital Management, LLC32,023$11.5M0.13%+763+2.4%Added
State of Tennessee, Treasury Department32,366$11.6M0.03%+24,332+302.9%Added
Danske Bank A/S32,429$11.6M0.02%+1,181+3.8%Added
Toroso Investments, LLC32,535$11.7M0.03%+11,205+52.5%Added
Dakota Wealth Management32,568$11.7M0.22%+32,568New
Cresset Asset Management, LLC32,643$11.7M0.04%+1,598+5.1%Added
Korea Investment CORP33,088$11.9M0.02%−32,915−49.9%Reduced
Chevy Chase Trust Holdings, Inc.34,114$12.2M0.03%−1,329−3.7%Reduced
Man Group plc34,669$12.4M0.02%−44,980−56.5%Reduced
Mitsubishi UFJ Trust & Banking Corp34,853$12.5M0.03%+779+2.3%Added
Capitolis Liquid Global Markets LLC35,520$12.8M0.06%+35,520New
Nisa Investment Advisors, LLC36,430$13.1M0.04%−323−0.9%Reduced
Vanguard Investments Australia, Ltd.36,598$13.1M0.03%+911+2.6%Added
McCollum Christoferson Group LLC64,183$13.3M3.89%−1,423−2.2%Reduced
Ameriprise Financial Inc38,080$13.7M0.00%−1,175−3.0%Reduced
Pictet Asset Management Holding SA38,205$13.7M0.01%−5,985−13.5%Reduced
Fred Alger Management, LLC39,457$14.2M0.05%+3,515+9.8%Added
GW&K Investment Management, LLC39,863$14.3M0.11%−841−2.1%Reduced
Neuberger Berman Group LLC40,366$14.5M0.01%−141,487−77.8%Reduced
Kempen Capital Management N.V.40,796$14.6M0.11%−10,705−20.8%Reduced
New York State Common Retirement Fund40,899$14.7M0.02%−648−1.6%Reduced
Thrivent Financial for Lutherans41,398$14.9M0.02%−12,241−22.8%Reduced
Public Employees Retirement System of Ohio41,640$14.9M0.04%+20,805+99.9%Added
Manufacturers Life Insurance Company, The43,187$15.5M0.01%−4,171−8.8%Reduced
State of Wisconsin Investment Board43,423$15.6M0.03%+4,896+12.7%Added
Grace & White Inc43,530$15.6M2.47%00.0%Unchanged