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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, Q3 2021

Institutional positions in West Pharmaceutical Services Inc as of Sep 30, 2021. 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
672
+42 vs. Q2 2021
Shares held
67.4M
−1.66M (−2.4%) vs. Q2 2021
Total value
$28.5B
+$3.80B (+15.4%) vs. Q2 2021
New holders
94
239 more added
Sold out
52
240 more reduced

11 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 holdersQ3 2021: 672 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 heldQ3 2021: $28.5B
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, Q3 2021

Shares, value and share of portfolio for each institution holding West Pharmaceutical Services Inc; share changes are against Q2 2021.

Institutions holding WST in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Eaton Vance Management69,362$28.8M0.04%+2,666+4.0%Added
Vestcor Inc64,736$27.5M0.99%+21,517+49.8%Added
M&T Bank Corp63,284$26.9M0.12%+383+0.6%Added
Macquarie Group Ltd61,303$26.0M0.02%−7,654−11.1%Reduced
Truist Financial Corp58,667$24.9M0.04%−4,647−7.3%Reduced
Ameriprise Financial Inc55,453$23.9M0.01%−69,486−55.6%Reduced
Citadel Advisors LLC55,959$23.8M0.03%+28,271+102.1%Added
Janney Montgomery Scott LLC55,705$23.6M0.10%+2,390+4.5%Added
Mn Services Vermogensbeheer B.V.55,200$23.4M0.15%+800+1.5%Added
Natixis Advisors, L.P.55,109$23.4M0.10%−5,182−8.6%Reduced
Candriam Luxembourg S.C.A.53,868$22.9M0.16%−14,891−21.7%Reduced
Epoch Investment Partners, Inc.53,169$22.6M0.13%+1,560+3.0%Added
Oppenheimer Asset Management Inc.52,292$22.2M0.32%−47−0.1%Reduced
NFJ Investment Group, LLC51,858$22.0M0.43%−1,616−3.0%Reduced
McCollum Christoferson Group LLC51,723$22.0M5.23%−2,655−4.9%Reduced
Public Employees Retirement System of Ohio50,682$21.5M0.08%−914−1.8%Reduced
Lazard Asset Management LLC50,573$21.5M0.02%−70,872−58.4%Reduced
Captrust Financial Advisors49,836$21.2M0.18%+43+0.1%Added
Comerica Bank47,738$20.8M0.13%+21,457+81.6%Added
Azimuth Capital Management LLC48,614$20.6M0.89%−309−0.6%Reduced
Advisor Group Holdings, Inc.48,287$20.5M0.04%+1,276+2.7%Added
Trillium Asset Management, LLC47,211$20.0M0.53%+19,156+68.3%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.46,194$19.6M0.10%−915−1.9%Reduced
State of Wisconsin Investment Board46,096$19.6M0.04%+2,616+6.0%Added
Asset Management One Co.,Ltd.45,615$19.4M0.07%−1,446−3.1%Reduced
Chevy Chase Trust Holdings, Inc.45,422$19.3M0.07%−1,620−3.4%Reduced
Toronto Dominion Bank43,728$18.6M0.03%+10,634+32.1%Added
Grace & White Inc43,590$18.5M3.53%00.0%Unchanged
Navellier & Associates Inc42,667$18.1M2.73%+19,972+88.0%Added
State of New Jersey Common Pension Fund D42,437$18.0M0.06%−143−0.3%Reduced
Nisa Investment Advisors, LLC42,270$17.9M0.11%−1,851−4.2%Reduced
Kistler-Tiffany Companies, LLC41,896$17.8M4.03%−554−1.3%Reduced
Voya Investment Management LLC41,534$17.6M0.04%−880−2.1%Reduced
Man Group plc41,268$17.5M0.06%+15,759+61.8%Added
Korea Investment CORP39,200$16.6M0.05%+600+1.6%Added
Keybank National Association38,424$16.3M0.07%−11,633−23.2%Reduced
US Bancorp38,044$16.2M0.03%−1,071−2.7%Reduced
Nomura Asset Management Co Ltd35,211$14.9M0.08%+517+1.5%Added
Pictet Asset Management SA35,087$14.9M0.02%+35,087New
Nordea Investment Management AB33,957$14.9M0.02%−982−2.8%Reduced
Andra AP-fonden34,500$14.6M0.30%+3,000+9.5%Added
Aviva PLC34,363$14.6M0.07%+8,706+33.9%Added
Virginia Retirement Systems Et Al33,900$14.4M0.15%−100−0.3%Reduced
Bank of Nova Scotia33,072$14.0M0.03%+6,724+25.5%Added
State of Alaska, Department of Revenue32,452$13.8M0.14%−1,328−3.9%Reduced
Westpac Banking Corp32,382$13.7M0.15%−4,000−11.0%Reduced
Voloridge Investment Management, LLC31,191$13.2M0.09%+13,341+74.7%Added
AMP Capital Investors Ltd31,050$13.2M0.07%+167+0.5%Added
Hantz Financial Services, Inc.30,895$13.1M0.43%+3,766+13.9%Added
British Columbia Investment Management Corp30,641$13.0M0.08%−5,577−15.4%Reduced
Achmea Investment Management B.V.30,231$12.8M0.39%−193−0.6%Reduced
Rock Springs Capital Management LP30,000$12.7M0.27%+1,500+5.3%Added
Caisse de Depot Et Placement du Quebec27,755$11.8M0.03%+18,300+193.5%Added
Treasurer of the State of North Carolina27,567$11.7M0.07%+899+3.4%Added
Xponance, Inc.27,512$11.7M0.22%−419−1.5%Reduced
Assenagon Asset Management S.A.27,405$11.6M0.05%+22,651+476.5%Added
Los Angeles Capital Management LLC27,081$11.5M0.05%+927+3.5%Added
Whittier Trust Co26,540$11.3M0.21%+876+3.4%Added
Forsta Ap-Fonden25,800$11.0M0.12%−7,300−22.1%Reduced
Retirement Systems of Alabama25,406$10.8M0.04%−1,599−5.9%Reduced
Cubist Systematic Strategies, LLC25,266$10.7M0.14%+7,779+44.5%Added
Zacks Investment Management24,996$10.6M0.17%+1,337+5.7%Added
Point72 Asset Management, L.P.24,728$10.5M0.05%−5,400−17.9%Reduced
PGGM Investments24,350$10.3M0.05%+13,317+120.7%Added
Storebrand Asset Management AS24,034$10.2M0.05%+2,133+9.7%Added
Jane Street Group, LLC23,474$9.96M0.03%−2,088−8.2%Reduced
American International Group, Inc.23,164$9.83M0.05%−354−1.5%Reduced
Illinois Municipal Retirement Fund23,081$9.80M0.36%+4,348+23.2%Added
LPL Financial LLC22,705$9.64M0.01%+2,987+15.1%Added
Royal London Asset Management Ltd22,274$9.46M0.04%00.0%Unchanged
State of Tennessee, Treasury Department22,106$9.39M0.04%+2,976+15.6%Added
Susquehanna International Group, LLP21,161$8.98M0.01%−32,522−60.6%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)20,890$8.87M0.05%+20,890New
Arizona State Retirement System20,718$8.80M0.07%−227−1.1%Reduced
McKinley Capital Management LLC /Delaware19,950$8.47M0.80%00.0%Unchanged
M&G Investment Management Ltd19,922$8.47M0.04%+6,970+53.8%Added
Handelsbanken Fonder AB19,828$8.42M0.04%00.0%Unchanged
AlphaStar Capital Management, LLC19,498$8.25M0.56%+18,893+3,122.8%Added
BNP Paribas Arbitrage, SA19,214$8.16M0.02%−8,919−31.7%Reduced
State of Michigan Retirement System19,160$8.13M0.05%00.0%Unchanged
MML Investors Services, LLC18,297$7.77M0.06%+260+1.4%Added
Ensign Peak Advisors, Inc17,894$7.60M0.02%−2,213−11.0%Reduced
Alberta Investment Management Corp17,600$7.47M0.06%+100+0.6%Added
Swiss Life Asset Management Ltd17,572$7.46M0.10%+3,742+27.1%Added
Amalgamated Bank17,035$7.23M0.06%−736−4.1%Reduced
MetLife Investment Management16,709$7.09M0.06%−407−2.4%Reduced
CIBC World Markets Corp16,692$7.09M0.05%+11,566+225.6%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund16,581$7.04M0.06%−2,473−13.0%Reduced
USS Investment Management Ltd16,366$6.95M0.06%−303,642−94.9%Reduced
Mackenzie Financial Corp15,712$6.67M0.01%+6,370+68.2%Added
Twin Capital Management Inc15,654$6.65M0.68%−1,850−10.6%Reduced
Blueshift Asset Management, LLC15,314$6.50M0.36%+7,412+93.8%Added
Oregon Public Employees Retirement Fund15,267$6.48M0.07%−2,077−12.0%Reduced
Security Asset Management15,226$6.46M2.61%−1,385−8.3%Reduced
Guggenheim Capital LLC15,149$6.43M0.04%−2,517−14.2%Reduced
Balyasny Asset Management LLC15,150$6.43M0.03%+15,150New
American Century Companies Inc14,996$6.37M0.00%+317+2.2%Added
Duality Advisers, LP14,995$6.37M0.49%+14,995New
Squarepoint Ops LLC14,807$6.29M0.04%−1,812−10.9%Reduced
Marshall Wace North America L.P.14,806$6.29M0.03%+13,353+919.0%Added