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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
NFJ Investment Group, LLC21,614$7.76M0.26%+80.0%Added
Verition Fund Management LLC21,511$7.72M0.05%+21,511New
Mackenzie Financial Corp21,356$7.67M0.01%+64+0.3%Added
Millennium Management LLC21,290$7.64M0.01%+7,515+54.6%Added
Nordea Investment Management AB21,588$7.62M0.01%−19,090−46.9%Reduced
CIBC Bancorp USA Inc.21,225$7.62M0.01%−6,199−22.6%Reduced
TD Waterhouse Canada Inc.20,534$7.49M0.02%−1,418−6.5%Reduced
Mn Services Vermogensbeheer B.V.20,824$7.48M0.06%−7,700−27.0%Reduced
PFM Health Sciences, LP20,733$7.44M0.65%+20,733New
Arizona State Retirement System20,649$7.41M0.04%+1,100+5.6%Added
Czech National Bank20,109$7.22M0.04%+516+2.6%Added
Whittier Trust Co19,731$7.06M0.07%−259−1.3%Reduced
Alpine Peaks Capital, LP19,191$6.89M8.07%−10,692−35.8%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)19,070$6.85M0.01%+1,976+11.6%Added
DekaBank Deutsche Girozentrale27,611$6.84M0.01%00.0%Unchanged
Engineers Gate Manager LP18,868$6.77M0.09%+15,653+486.9%Added
State of Michigan Retirement System18,756$6.73M0.03%−700−3.6%Reduced
Capricorn Fund Managers Ltd18,700$6.71M0.54%+18,700New
Two Sigma Investments, LP18,227$6.54M0.00%−207,404−91.9%Reduced
Mirae Asset Global ETFs Holdings Ltd.18,652$6.53M0.01%+9,462+103.0%Added
Hilton Capital Management, LLC17,923$6.43M0.44%+880+5.2%Added
Daiwa Securities Group Inc.17,876$6.42M0.01%+53+0.3%Added
Motley Fool Asset Management LLC17,372$6.24M0.24%−702−3.9%Reduced
CIBC World Markets Inc.16,794$6.03M0.01%+7,004+71.5%Added
CIBC Asset Management Inc16,735$6.01M0.01%−487−2.8%Reduced
Apella Capital, LLC16,856$6.00M0.08%+18+0.1%Added
M&T Bank Corp16,484$5.92M0.02%−2,513−13.2%Reduced
IFM Investors Pty Ltd16,381$5.88M0.04%+2,608+18.9%Added
MetLife Investment Management16,150$5.80M0.03%−652−3.9%Reduced
DnB Asset Management AS15,960$5.73M0.02%+1,132+7.6%Added
Sterling Capital Management LLC15,904$5.71M0.10%−660−4.0%Reduced
ICICI Prudential Asset Management Co Ltd15,618$5.61M0.61%−3,500−18.3%Reduced
Woodline Partners LP15,498$5.56M0.02%+12,692+452.3%Added
Eurizon Capital SGR S.p.A.15,452$5.55M0.01%+2,825+22.4%Added
Jones Financial Companies LLLP15,740$5.52M0.00%−10,506−40.0%Reduced
Retirement Systems of Alabama14,842$5.33M0.02%−436−2.9%Reduced
Ilmarinen Mutual Pension Insurance Co14,716$5.28M0.04%00.0%Unchanged
PensionDanmark Pensionsforsikringsaktieselskab14,260$5.12M0.04%+1,800+14.4%Added
SEB Asset Management AB14,242$5.11M0.02%+764+5.7%Added
Voya Investment Management LLC14,224$5.11M0.00%+41+0.3%Added
Omers Administration Corp13,953$5.01M0.03%+1,184+9.3%Added
Panagora Asset Management Inc13,888$4.99M0.02%+12,811+1,189.5%Added
Kornitzer Capital Management Inc13,668$4.91M0.10%00.0%Unchanged
Wealth Enhancement Advisory Services, LLC14,417$4.89M0.01%+2,725+23.3%Added
Colony Group, LLC13,557$4.87M0.00%+3,940+41.0%Added
William Allan, LLC13,349$4.79M2.34%−177−1.3%Reduced
Endowment Wealth Management, Inc.13,241$4.75M1.84%+10+0.1%Added
SG Americas Securities, LLC13,188$4.73M0.00%−100,856−88.4%Reduced
Amalgamated Bank13,153$4.72M0.03%+76+0.6%Added
CWM Advisors, LLC13,120$4.71M0.19%+634+5.1%Added
Employees Retirement System of Texas12,966$4.66M0.04%00.0%Unchanged
Summit Financial, LLC12,937$4.64M0.05%+336+2.7%Added
Meiji Yasuda Asset Management Co Ltd.12,910$4.63M0.21%−1,091−7.8%Reduced
D. E. Shaw & Co., Inc.12,890$4.63M0.00%−1,111−7.9%Reduced
Xponance, Inc.12,664$4.55M0.03%+121+1.0%Added
Intech Investment Management LLC12,416$4.46M0.04%+6,107+96.8%Added
Landscape Capital Management, L.L.C.12,112$4.35M0.28%−2,317−16.1%Reduced
Gotham Asset Management, LLC12,101$4.34M0.01%+5,035+71.3%Added
Brendel Financial Advisors LLC11,891$4.27M1.98%+11,891New
Rakuten Investment Management, Inc.11,746$4.17M0.01%+949+8.8%Added
Swedbank AB11,504$4.13M0.00%+1,081+10.4%Added
Illinois Municipal Retirement Fund11,404$4.09M0.05%−6,696−37.0%Reduced
Public Sector Pension Investment Board11,403$4.09M0.01%−251−2.2%Reduced
Longaeva Partners L.P.11,348$4.07M0.12%+11,348New
NEOS Investment Management LLC11,268$4.05M0.01%+1,453+14.8%Added
Elo Mutual Pension Insurance Co11,218$4.03M0.05%+11,218New
Crossmark Global Holdings, Inc.11,184$4.02M0.05%+3,304+41.9%Added
KBC Group NV11,152$4.00M0.01%+1,542+16.0%Added
Meeder Asset Management Inc10,911$3.92M0.20%+10,525+2,726.7%Added
JustInvest LLC10,910$3.92M0.03%+897+9.0%Added
British Columbia Investment Management Corp10,799$3.88M0.02%+883+8.9%Added
Davenport & Co LLC10,722$3.85M0.02%+1,642+18.1%Added
Utah Retirement Systems10,616$3.81M0.04%−1,004−8.6%Reduced
New York Life Investment Management LLC10,562$3.79M0.03%−110−1.0%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd10,531$3.78M0.03%+2,236+27.0%Added
Bridgewater Associates, LP10,429$3.74M0.02%−12,732−55.0%Reduced
Mercer Global Advisors Inc10,331$3.71M0.00%+3,830+58.9%Added
Police & Firemen's Retirement System of New Jersey10,295$3.70M0.03%−671−6.1%Reduced
Nissay Asset Management Corp10,197$3.66M0.02%+395+4.0%Added
Bleakley Financial Group, LLC10,173$3.65M0.05%+10,173New
Cerity Partners LLC10,094$3.62M0.00%−2,198−17.9%Reduced
ASR Vermogensbeheer N.V.10,024$3.60M0.04%+349+3.6%Added
Whittier Trust Co of Nevada Inc10,054$3.58M0.07%+45+0.4%Added
Jefferies Financial Group Inc.9,764$3.51M0.03%−5,111−34.4%Reduced
Advisor Group Holdings, Inc.9,626$3.46M0.00%+2,047+27.0%Added
Allstate Corp9,536$3.42M0.03%+127+1.3%Added
NLB Skladi, upravljanje premozenja, d.o.o.9,500$3.41M0.13%−986−9.4%Reduced
PDT Partners, LLC9,332$3.35M0.18%+9,332New
Atria Investments LLC9,238$3.32M0.03%+2,368+34.5%Added
Donoghue Forlines LLC9,114$3.27M0.85%+9,114New
MML Investors Services, LLC9,008$3.23M0.01%+1,935+27.4%Added
Oregon Public Employees Retirement Fund8,747$3.14M0.03%+500+6.1%Added
ING Groep NV8,686$3.12M0.02%+8,686New
Bryn Mawr Trust Co8,621$3.09M0.07%+10.0%Added
Twin Capital Management Inc8,520$3.06M0.33%+8,520New
Salem Investment Counselors Inc8,504$3.05M0.08%+451+5.6%Added
Pacer Advisors, Inc.8,493$3.05M0.01%+2,610+44.4%Added
Apollon Wealth Management, LLC8,456$3.04M0.04%+7,089+518.6%Added
Worldquant Millennium Advisors LLC8,421$3.02M0.01%−259,686−96.9%Reduced
Jupiter Topco LLC8,172$2.93M0.00%+8,172New