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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 2021

Institutional positions in West Pharmaceutical Services Inc as of Dec 31, 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
731
+72 vs. Q3 2021
Shares held
69.5M
+2.13M (+3.2%) vs. Q3 2021
Total value
$32.2B
+$3.71B (+13.0%) vs. Q3 2021
New holders
136
278 more added
Sold out
64
225 more reduced

13 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 731 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 2021: $32.2B
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, Q4 2021

Shares, value and share of portfolio for each institution holding West Pharmaceutical Services Inc; share changes are against Q3 2021.

Institutions holding WST in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc8,633,853$4.05B0.09%+103,494+1.2%Added
BlackRock Inc.8,094,288$3.80B0.10%+664,275+8.9%Added
Price T Rowe Associates Inc6,241,901$2.93B0.26%+1,151,427+22.6%Added
State Street Corp3,455,709$1.62B0.08%+54,510+1.6%Added
Franklin Resources Inc2,848,869$1.34B0.48%−129,441−4.3%Reduced
APG Asset Management N.V.2,547,368$1.05B1.78%+7,500+0.3%Added
WCM Investment Management, LLC1,514,826$710.5M1.60%+72,006+5.0%Added
Geode Capital Management, LLC1,382,016$646.5M0.08%+40,280+3.0%Added
Brown Advisory Inc1,338,591$627.8M0.78%+105,397+8.5%Added
FMR LLC1,302,588$610.9M0.05%−68,287−5.0%Reduced
Bamco Inc1,177,521$552.3M1.17%−76,578−6.1%Reduced
Neuberger Berman Group LLC1,116,075$515.5M0.40%−131,464−10.5%Reduced
Invesco Ltd.1,085,107$508.9M0.12%−174,992−13.9%Reduced
Northern Trust Corp970,724$455.3M0.07%+5,206+0.5%Added
Janus Henderson Group PLC878,862$412.2M0.17%+262,999+42.7%Added
Durable Capital Partners LP859,210$403.0M3.15%00.0%Unchanged
Artisan Partners Limited Partnership763,194$357.9M0.43%−36,174−4.5%Reduced
Massachusetts Financial Services Co730,312$342.5M0.09%+7,995+1.1%Added
Legal & General Group Plc723,121$339.2M0.10%−16,135−2.2%Reduced
Nuveen Asset Management, LLC701,003$328.8M0.10%−26,849−3.7%Reduced
Norges Bank655,650$307.5M0.06%+18,904+3.0%Added
Riverbridge Partners LLC618,209$289.9M2.87%+240.0%Added
Capital Research Global Investors604,759$283.6M0.06%−56,636−8.6%Reduced
California Public Employees Retirement System561,366$263.3M0.18%−10,868−1.9%Reduced
Bank of New York Mellon Corp558,410$261.9M0.05%−15,038−2.6%Reduced
UBS Asset Management Americas Inc543,572$254.9M0.10%+39,497+7.8%Added
Morgan Stanley530,759$248.9M0.03%+156,656+41.9%Added
Arrowstreet Capital, Limited Partnership506,874$237.7M0.29%−8,274−1.6%Reduced
Goldman Sachs Group Inc505,701$237.2M0.06%+13,909+2.8%Added
Sumitomo Mitsui Trust Holdings, Inc.500,006$234.5M0.14%−4,275−0.8%Reduced
Bank of America Corp468,078$219.5M0.02%−24,168−4.9%Reduced
Charles Schwab Investment Management Inc400,006$187.6M0.06%+15,549+4.0%Added
State Farm Mutual Automobile Insurance Co388,239$182.1M0.18%00.0%Unchanged
ProShare Advisors LLC368,304$172.7M0.34%−17,537−4.5%Reduced
Congress Asset Management Co365,427$171.4M1.31%−22,476−5.8%Reduced
Dimensional Fund Advisors LP318,542$149.4M0.05%+3,067+1.0%Added
Deutsche Bank AG313,547$147.1M0.07%+12,432+4.1%Added
Eagle Asset Management Inc311,724$146.9M0.64%+1,764+0.6%Added
Royal Bank of Canada308,151$144.5M0.04%−21,465−6.5%Reduced
TD Asset Management Inc293,227$137.5M0.12%+91,923+45.7%Added
Envestnet Asset Management Inc293,036$137.4M0.07%+19,605+7.2%Added
Victory Capital Management Inc288,587$135.3M0.12%−271,927−48.5%Reduced
Swiss National Bank281,175$131.9M0.08%−10,700−3.7%Reduced
JPMorgan Chase & Co276,673$129.8M0.02%+42,773+18.3%Added
Kayne Anderson Rudnick Investment Management LLC269,327$126.3M0.29%−91,934−25.4%Reduced
Standard Life Aberdeen plc268,338$125.9M0.28%+5,910+2.3%Added
Fisher Asset Management, LLC268,070$125.7M0.07%−15,048−5.3%Reduced
Manufacturers Life Insurance Company, The261,986$122.9M0.08%−130,831−33.3%Reduced
Parametric Portfolio Associates LLC255,219$119.7M0.06%+22,221+9.5%Added
Schroder Investment Management Group254,433$119.3M0.16%+30,594+13.7%Added
Federated Hermes, Inc.248,597$116.6M0.22%−32,287−11.5%Reduced
Intermede Investment Partners Ltd227,999$106.9M2.20%+7,048+3.2%Added
Amundi273,313$104.1M0.07%−31,876−10.4%Reduced
Lord, Abbett & Co. LLC189,208$88.7M0.20%+50,654+36.6%Added
Rhumbline Advisers183,519$86.1M0.11%+25,770+16.3%Added
Man Group plc171,681$80.5M0.26%+130,413+316.0%Added
Robeco Institutional Asset Management B.V.167,783$78.7M0.17%+16,138+10.6%Added
SEI Investments Co163,014$76.2M0.14%+6,937+4.4%Added
AXA S.A.161,310$75.7M0.19%+47,985+42.3%Added
Russell Investments Group, Ltd.141,832$66.5M0.11%−3,198−2.2%Reduced
Barclays PLC141,174$66.2M0.04%+25,701+22.3%Added
HSBC Holdings PLC136,976$64.3M0.07%+15,305+12.6%Added
California State Teachers Retirement System129,906$60.9M0.07%+1,545+1.2%Added
Wells Fargo & Company126,918$59.5M0.02%−116,720−47.9%Reduced
AQR Capital Management LLC122,533$57.5M0.10%−21,541−15.0%Reduced
Credit Suisse AG121,047$56.8M0.05%+2,039+1.7%Added
Blair William & Co116,468$54.6M0.17%−1,026−0.9%Reduced
Jupiter Asset Management Ltd114,185$53.8M0.59%+30,324+36.2%Added
First Trust Advisors LP114,678$53.8M0.05%−10,292−8.2%Reduced
Allianz Asset Management GmbH112,414$52.7M0.04%−47,049−29.5%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.108,957$51.1M0.17%+39,663+57.2%Added
KBC Group NV108,075$50.7M0.17%−1,678−1.5%Reduced
Principal Financial Group Inc104,524$49.0M0.03%−2,007−1.9%Reduced
Ameriprise Financial Inc107,813$48.5M0.01%+52,360+94.4%Added
New York State Common Retirement Fund102,813$48.2M0.05%−2,949−2.8%Reduced
National Pension Service102,796$48.2M0.08%−10,216−9.0%Reduced
Canada Pension Plan Investment Board101,132$47.4M0.05%−33,425−24.8%Reduced
Martingale Asset Management L P99,010$46.4M0.59%−37,143−27.3%Reduced
State Board of Administration of Florida Retirement System97,875$45.9M0.08%−1,638−1.6%Reduced
Alliancebernstein L.P.97,548$45.8M0.02%−16,647−14.6%Reduced
Ami Asset Management Corp96,205$45.1M2.18%−2,958−3.0%Reduced
UBS Group AG88,308$41.4M0.02%−21,810−19.8%Reduced
New York State Teachers Retirement System88,077$41.3M0.08%+2,573+3.0%Added
Great West Life Assurance Co87,213$40.8M0.08%−4,738−5.2%Reduced
Prudential Financial Inc88,818$39.3M0.05%−1,869−2.1%Reduced
Voloridge Investment Management, LLC81,070$38.0M0.21%+49,879+159.9%Added
Stifel Financial Corp80,317$37.7M0.05%+597+0.7%Added
Adage Capital Partners GP, L.L.C.78,907$37.0M0.07%−500−0.6%Reduced
Bank of Montreal78,016$36.8M0.02%−47,542−37.9%Reduced
Smith Group Asset Management, LLC78,483$36.7M1.69%−3,696−4.5%Reduced
Mawer Investment Management Ltd.78,039$36.6M0.16%−16,753−17.7%Reduced
Public Employees Retirement Association of Colorado76,656$36.0M0.15%−3,358−4.2%Reduced
Keybank National Association74,243$34.8M0.14%+35,819+93.2%Added
Railway Pension Investments Ltd73,300$34.4M0.26%00.0%Unchanged
Raymond James & Associates72,328$33.9M0.03%−1,731−2.3%Reduced
Citigroup Inc72,038$33.8M0.03%−7,174−9.1%Reduced
Conestoga Capital Advisors, LLC71,958$33.7M0.44%−15,175−17.4%Reduced
Eaton Vance Management70,354$33.0M0.04%+992+1.4%Added
Macquarie Group Ltd68,550$32.2M0.03%+7,247+11.8%Added
RMB Capital Management, LLC67,804$31.8M0.96%−724−1.1%Reduced