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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; 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 2022

Institutional positions in West Pharmaceutical Services Inc as of Mar 31, 2022. 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
718
−7 vs. Q4 2021
Shares held
70.6M
+1.19M (+1.7%) vs. Q4 2021
Total value
$28.2B
−$3.90B (−12.1%) vs. Q4 2021
New holders
75
246 more added
Sold out
82
277 more reduced

6 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2022: 718 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: 834 institutions
Value heldQ1 2022: $28.2B
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 2026834$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, Q1 2022

Shares, value and share of portfolio for each institution holding West Pharmaceutical Services Inc; share changes are against Q4 2021.

Institutions holding WST in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
McCollum Christoferson Group LLC50,181$20.6M5.09%−686−1.3%Reduced
Truist Financial Corp51,865$21.3M0.03%−1,949−3.6%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.52,109$21.4M0.08%+4,109+8.6%Added
Mn Services Vermogensbeheer B.V.52,800$21.7M0.14%−3,700−6.5%Reduced
Voya Investment Management LLC53,445$22.0M0.05%−1,145−2.1%Reduced
Asset Management One Co.,Ltd.53,524$22.0M0.09%+1,368+2.6%Added
Caisse de Depot Et Placement du Quebec56,358$23.1M0.05%+12,000+27.1%Added
Janney Montgomery Scott LLC57,011$23.4M0.10%+6,280+12.4%Added
Candriam Luxembourg S.C.A.57,606$23.7M0.16%−2,833−4.7%Reduced
Martingale Asset Management L P57,932$23.8M0.36%−41,078−41.5%Reduced
Bank of Montreal56,939$23.9M0.01%−21,077−27.0%Reduced
NFJ Investment Group, LLC58,304$23.9M0.49%−1,893−3.1%Reduced
M&T Bank Corp60,226$24.7M0.11%−3,361−5.3%Reduced
Mawer Investment Management Ltd.61,966$25.4M0.12%−16,073−20.6%Reduced
Mitsubishi UFJ Trust & Banking Corp62,797$25.8M0.06%−2,830−4.3%Reduced
Natixis Advisors, L.P.64,070$26.3M0.10%+2,448+4.0%Added
Macquarie Group Ltd65,437$26.9M0.02%−3,113−4.5%Reduced
Canada Pension Plan Investment Board67,778$27.8M0.04%−33,354−33.0%Reduced
KBC Group NV67,848$27.9M0.11%−40,227−37.2%Reduced
Citigroup Inc68,201$28.0M0.03%−3,837−5.3%Reduced
Jupiter Asset Management Ltd68,753$28.2M0.34%−45,432−39.8%Reduced
Rock Springs Capital Management LP69,250$28.4M0.72%+23,750+52.2%Added
RMB Capital Management, LLC69,532$28.6M0.90%+1,728+2.5%Added
Voloridge Investment Management, LLC71,428$29.3M0.17%−9,642−11.9%Reduced
Epoch Investment Partners, Inc.71,483$29.4M0.14%+18,690+35.4%Added
Conestoga Capital Advisors, LLC72,296$29.7M0.45%+338+0.5%Added
Raymond James & Associates73,912$30.4M0.03%+1,584+2.2%Added
Public Employees Retirement Association of Colorado73,954$30.4M0.14%−2,702−3.5%Reduced
State of Wisconsin Investment Board76,050$31.2M0.06%+19,425+34.3%Added
Smith Group Asset Management, LLC76,590$31.5M1.66%−1,893−2.4%Reduced
Adage Capital Partners GP, L.L.C.77,307$31.8M0.06%−1,600−2.0%Reduced
Stifel Financial Corp80,191$32.9M0.04%−126−0.2%Reduced
Prudential Financial Inc81,246$33.4M0.04%−7,572−8.5%Reduced
Fiera Capital Corp86,762$35.6M0.09%+84,312+3,441.3%Added
New York State Teachers Retirement System88,631$36.4M0.07%+554+0.6%Added
Allspring Global Investments Holdings, LLC92,832$38.1M0.05%+27,946+43.1%Added
Great West Life Assurance Co89,104$38.6M0.08%+1,891+2.2%Added
Ameriprise Financial Inc98,155$39.6M0.01%−9,658−9.0%Reduced
Ami Asset Management Corp96,454$39.6M2.07%+249+0.3%Added
State Board of Administration of Florida Retirement System97,015$39.8M0.08%−860−0.9%Reduced
Principal Financial Group Inc98,955$40.6M0.03%−5,569−5.3%Reduced
Blair William & Co99,357$40.8M0.14%−17,111−14.7%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.99,570$40.9M0.14%−9,387−8.6%Reduced
First Trust Advisors LP100,639$41.3M0.04%−14,039−12.2%Reduced
Eaton Vance Management100,886$41.4M0.05%+30,532+43.4%Added
National Pension Service103,190$42.4M0.08%+394+0.4%Added
Keybank National Association103,418$42.5M0.18%+29,175+39.3%Added
Allianz Asset Management GmbH103,510$42.5M0.03%−8,904−7.9%Reduced
New York State Common Retirement Fund104,378$42.9M0.05%+1,565+1.5%Added
AQR Capital Management LLC105,145$43.2M0.08%−17,388−14.2%Reduced
Railway Pension Investments Ltd105,700$43.4M0.34%+32,400+44.2%Added
California State Teachers Retirement System122,522$50.3M0.07%−7,384−5.7%Reduced
Credit Suisse AG128,842$52.9M0.05%+7,795+6.4%Added
Manufacturers Life Insurance Company, The132,128$54.5M0.04%−129,858−49.6%Reduced
SEI Investments Co133,614$54.9M0.11%−29,400−18.0%Reduced
HSBC Holdings PLC133,922$55.4M0.08%−3,054−2.2%Reduced
Russell Investments Group, Ltd.134,892$55.5M0.10%−6,940−4.9%Reduced
Wells Fargo & Company136,552$56.1M0.01%+9,634+7.6%Added
AXA S.A.139,621$57.3M0.16%−21,689−13.4%Reduced
Barclays PLC148,749$61.1M0.05%+7,575+5.4%Added
Robeco Institutional Asset Management B.V.157,751$64.8M0.15%−10,032−6.0%Reduced
Rhumbline Advisers186,198$76.5M0.10%+2,679+1.5%Added
Lord, Abbett & Co. LLC188,714$77.5M0.21%−494−0.3%Reduced
Man Group plc206,773$84.9M0.30%+35,092+20.4%Added
Federated Hermes, Inc.233,022$95.7M0.22%−15,575−6.3%Reduced
Intermede Investment Partners Ltd244,804$100.5M2.35%+16,805+7.4%Added
Deutsche Bank AG246,309$101.2M0.05%−67,238−21.4%Reduced
Schroder Investment Management Group246,102$102.9M0.14%−8,331−3.3%Reduced
Royal Bank of Canada254,776$104.6M0.03%−53,375−17.3%Reduced
Arrowstreet Capital, Limited Partnership256,693$105.4M0.13%−250,181−49.4%Reduced
Fisher Asset Management, LLC264,877$108.8M0.06%−3,193−1.2%Reduced
Parametric Portfolio Associates LLC271,511$111.5M0.06%+16,292+6.4%Added
Amundi267,373$112.4M0.08%−5,940−2.2%Reduced
Kayne Anderson Rudnick Investment Management LLC284,150$116.7M0.31%+14,823+5.5%Added
Standard Life Aberdeen plc281,113$117.5M0.30%+12,775+4.8%Added
TD Asset Management Inc291,450$119.7M0.11%−1,777−0.6%Reduced
JPMorgan Chase & Co291,775$119.8M0.02%+15,102+5.5%Added
Victory Capital Management Inc314,052$120.8M0.12%+25,465+8.8%Added
Envestnet Asset Management Inc295,840$121.5M0.06%+2,804+1.0%Added
Dimensional Fund Advisors LP305,650$125.5M0.04%−12,892−4.0%Reduced
Eagle Asset Management Inc315,995$129.8M0.66%+4,271+1.4%Added
Swiss National Bank320,875$131.8M0.07%+39,700+14.1%Added
Congress Asset Management Co352,602$144.8M1.23%−12,825−3.5%Reduced
Morgan Stanley381,941$156.9M0.02%−148,818−28.0%Reduced
State Farm Mutual Automobile Insurance Co388,239$159.5M0.16%00.0%Unchanged
Citadel Advisors LLC395,131$162.3M0.19%+394,115+38,790.8%Added
Charles Schwab Investment Management Inc401,951$165.1M0.05%+1,945+0.5%Added
ProShare Advisors LLC423,155$173.8M0.37%+54,851+14.9%Added
Sumitomo Mitsui Trust Holdings, Inc.435,852$179.0M0.12%−64,154−12.8%Reduced
Capital Research Global Investors494,480$203.1M0.05%−110,279−18.2%Reduced
Artisan Partners Limited Partnership544,699$223.7M0.30%−218,495−28.6%Reduced
California Public Employees Retirement System553,379$227.3M0.18%−7,987−1.4%Reduced
Riverbridge Partners LLC556,394$228.5M2.58%−61,815−10.0%Reduced
Goldman Sachs Group Inc558,745$229.5M0.06%+53,044+10.5%Added
UBS Asset Management Americas Inc559,074$229.6M0.10%+15,502+2.9%Added
Bank of New York Mellon Corp596,965$245.2M0.05%+38,555+6.9%Added
Alliancebernstein L.P.631,821$259.5M0.10%+534,273+547.7%Added
Bank of America Corp639,632$262.7M0.03%+171,554+36.7%Added
Norges Bank664,584$273.0M0.06%+8,934+1.4%Added
Janus Henderson Group PLC688,398$282.7M0.14%−190,464−21.7%Reduced