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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, 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.

Institutional holdersQ4 2025: 804 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 heldQ4 2025: $19.1B
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, Q4 2025

Shares, value and share of portfolio for each institution holding West Pharmaceutical Services Inc; share changes are against Q3 2025.

Institutions holding WST in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Forum Financial Management, LP1,414$389.0K0.01%+10+0.7%Added
Rockefeller Capital Management L.P.1,429$393.3K0.00%+421+41.8%Added
Catalyst Funds Management Pty Ltd1,440$396.2K0.09%+1,440New
Penobscot Investment Management Company, Inc.1,450$399.0K0.03%−120−7.6%Reduced
Stevens Capital Management LP1,463$403.0K0.14%−1,401−48.9%Reduced
Western Wealth Management, LLC1,479$406.9K0.02%−15−1.0%Reduced
KFA Private Wealth Group, LLC1,500$412.7K0.10%00.0%Unchanged
Marex Group plc1,507$414.6K0.00%+1,507New
Qtron Investments LLC1,518$417.7K0.05%+1,518New
Fiduciary Trust Co1,520$418.2K0.00%+1,520New
Inscription Capital, LLC1,524$419.3K0.04%+5+0.3%Added
RTD Financial Advisors, Inc.1,524$419.3K0.05%00.0%Unchanged
Groupama Asset Managment1,530$421.0K0.01%−97−6.0%Reduced
O'Shaughnessy Asset Management, LLC1,531$421.2K0.00%+235+18.1%Added
Jones Financial Companies LLLP1,543$424.4K0.00%−46−2.9%Reduced
Vinva Investment Management Ltd1,538$425.8K0.01%+1,538New
Camden Capital, LLC1,556$428.2K0.03%−90−5.5%Reduced
Guyasuta Investment Advisors Inc1,559$428.9K0.02%00.0%Unchanged
111 Capital1,582$435.3K0.09%+1,582New
RFG Advisory, LLC1,587$436.7K0.01%−646−28.9%Reduced
DRW Securities, LLC1,598$439.7K0.03%+277+21.0%Added
Sound Financial Strategies Group, LLC1,600$440.2K0.31%+1,600New
Vestcor Inc1,603$441.0K0.01%00.0%Unchanged
Buckingham Strategic Partners1,621$446.0K0.01%+857+112.2%Added
Siemens Fonds Invest GmbH1,623$449.4K0.02%+456+39.1%Added
Grandfield & Dodd, LLC1,667$458.7K0.03%00.0%Unchanged
Meiji Yasuda Life Insurance Co1,701$468.0K0.01%−252−12.9%Reduced
STRS Ohio1,715$471.9K0.00%+3+0.2%Added
NewEdge Wealth, LLC1,727$475.2K0.01%+553+47.1%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC1,730$476.0K0.01%00.0%Unchanged
Gotham Asset Management, LLC1,742$479.3K0.00%+1,742New
Fulton Bank, N.A.1,770$487.0K0.02%+316+21.7%Added
Net Worth Advisory Group1,775$488.5K0.10%−312−14.9%Reduced
Syon Capital LLC1,777$488.9K0.02%+19+1.1%Added
Alps Advisors Inc1,815$499.4K0.00%+15+0.8%Added
Connable Office Inc1,845$507.6K0.05%00.0%Unchanged
Kentucky Retirement Systems Insurance Trust Fund1,884$518.4K0.03%00.0%Unchanged
Wahed Invest LLC1,885$518.6K0.07%−73−3.7%Reduced
Cim Investment Mangement Inc1,892$520.6K0.14%00.0%Unchanged
Skopos Labs, Inc.1,891$520.9K0.02%+1,891New
Waterloo Capital, L.P.1,893$521.0K0.04%+665+54.2%Added
Cambridge Investment Research Advisors, Inc.1,920$528.0K0.00%−48−2.4%Reduced
Securian Asset Management, Inc1,927$530.2K0.02%−1,574−45.0%Reduced
MUFG Securities Americas Inc.1,938$533.2K0.03%−1−0.1%Reduced
Vontobel Holding Ltd.1,960$539.3K0.00%−121−5.8%Reduced
GF Fund Management Co. Ltd.1,973$542.9K0.01%−36−1.8%Reduced
Quadrant Capital Group LLC1,989$547.3K0.02%00.0%Unchanged
Portside Wealth Group, LLC2,005$551.7K0.07%−530−20.9%Reduced
Perigon Wealth Management, LLC2,031$558.9K0.01%+423+26.3%Added
MPWM Advisory Solutions, LLC2,076$571.2K0.32%00.0%Unchanged
Global X Japan Co., Ltd.2,084$573.4K0.04%−114−5.2%Reduced
Coldstream Capital Management Inc2,089$574.8K0.01%−652−23.8%Reduced
TD Waterhouse Canada Inc.2,107$579.7K0.00%−17−0.8%Reduced
Trust Point Inc.2,107$579.7K0.05%−176−7.7%Reduced
Bahl & Gaynor Inc2,125$584.7K0.00%00.0%Unchanged
Arkadios Wealth Advisors2,129$585.8K0.01%−105−4.7%Reduced
Hyperion Capital Advisors LP2,130$586.0K0.29%00.0%Unchanged
Inspire Advisors, LLC2,154$592.6K0.05%−378−14.9%Reduced
Advisor OS, LLC2,177$598.9K0.05%−297−12.0%Reduced
Financial Advisory Corp2,189$602.0K0.16%+47+2.2%Added
Anchyra Partners LLC2,219$610.5K0.19%+2,219New
S-Bank Fund Management Ltd2,221$611.1K0.08%−75−3.3%Reduced
Independent Advisor Alliance2,223$611.6K0.01%−280−11.2%Reduced
MidFirst Bank2,225$612.2K0.05%+2,225New
Kestra Advisory Services, LLC2,228$613.1K0.00%−88−3.8%Reduced
AlphaGrep UK Ltd2,244$617.4K0.21%+2,244New
Lecap Asset Management Ltd2,254$620.2K0.25%+2,254New
Polymer Capital Management (US) LLC2,259$621.5K0.08%+2,259New
Brinker Capital Investments, LLC2,285$628.6K0.00%−304−11.7%Reduced
Northwestern Mutual Investment Management Company, LLC2,298$632.3K0.01%+6+0.3%Added
QRG Capital Management, Inc.2,320$638.3K0.01%+587+33.9%Added
V-Square Quantitative Management LLC2,337$643.0K0.07%+2,337New
Abn Amro Investment Solutions2,338$643.3K0.01%+2,338New
Te Ahumairangi Investment Management Ltd2,350$646.6K0.12%00.0%Unchanged
Voleon Capital Management LP2,353$647.4K0.01%+1,417+151.4%Added
Montag A & Associates Inc2,356$648.2K0.03%00.0%Unchanged
Boothbay Fund Management, LLC2,413$663.9K0.02%+2,413New
R Squared Ltd2,417$665.0K0.31%+2,417New
Empirical Finance, LLC2,419$665.6K0.03%−102−4.0%Reduced
Federation des caisses Desjardins du Quebec2,434$669.7K0.00%+32+1.3%Added
North Dakota State Investment Board2,455$675.5K0.03%+2,455New
SlateStone Wealth, LLC2,465$678.0K0.06%−20−0.8%Reduced
Northwestern Mutual Wealth Management Co2,472$680.2K0.00%−963−28.0%Reduced
Purkiss Capital Advisors LLC2,519$693.1K0.32%00.0%Unchanged
Everence Capital Management Inc2,525$695.0K0.04%+1,110+78.4%Added
Freestone Grove Partners LP2,526$695.0K0.01%−163,816−98.5%Reduced
Larson Financial Group LLC2,532$696.7K0.02%−270−9.6%Reduced
Venturi Wealth Management, LLC2,546$700.3K0.03%−178−6.5%Reduced
Plato Investment Management Ltd2,535$700.9K0.05%00.0%Unchanged
GAMMA Investing LLC2,581$710.1K0.04%+424+19.7%Added
Guggenheim Capital LLC2,584$711.0K0.01%−132−4.9%Reduced
XTX Topco Ltd2,715$747.0K0.02%+2,715New
Gibbs Wealth Management2,802$772.0K0.19%−690−19.8%Reduced
Modera Wealth Management, LLC2,807$772.3K0.01%+4+0.1%Added
Harvest Fund Management Co., Ltd2,705$774.0K0.03%+1,402+107.6%Added
Healthcare of Ontario Pension Plan Trust Fund2,844$782.5K0.00%−66,049−95.9%Reduced
Welch & Forbes LLC2,861$787.2K0.01%−146−4.9%Reduced
B. Metzler seel. Sohn & Co. AG2,910$800.7K0.01%−949−24.6%Reduced
Horizon Investments, LLC2,950$810.9K0.01%−61−2.0%Reduced
MUFG Securities EMEA plc2,951$811.9K0.01%+1,575+114.5%Added