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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 2023

Institutional positions in West Pharmaceutical Services Inc as of Mar 31, 2023. 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
698
+73 vs. Q4 2022
Shares held
69.5M
+423.8K (+0.6%) vs. Q4 2022
Total value
$24.0B
+$7.78B (+47.9%) vs. Q4 2022
New holders
126
247 more added
Sold out
53
218 more reduced

13 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 2023: 698 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 2023: $24.0B
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 2023

Shares, value and share of portfolio for each institution holding West Pharmaceutical Services Inc; share changes are against Q4 2022.

Institutions holding WST in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Allianz Asset Management GmbH67,873$23.5M0.05%−43,214−38.9%Reduced
Fred Alger Management, LLC69,156$24.0M0.13%+53,583+344.1%Added
Barclays PLC70,691$24.5M0.03%−24,767−25.9%Reduced
Public Employees Retirement Association of Colorado73,954$25.6M0.13%00.0%Unchanged
Manufacturers Life Insurance Company, The75,319$26.1M0.01%−1,343−1.8%Reduced
DF Dent & Co Inc76,844$26.6M0.38%−307−0.4%Reduced
Prudential Financial Inc77,489$26.8M0.04%−2,712−3.4%Reduced
Trillium Asset Management, LLC76,119$27.4M0.80%+3,282+4.5%Added
Capital Fund Management S.A.79,681$27.6M0.54%+46,053+136.9%Added
Woodline Partners LP81,725$28.3M0.40%+32,453+65.9%Added
Lord, Abbett & Co. LLC82,399$28.5M0.10%−43,489−34.5%Reduced
UBS Group AG82,727$28.7M0.01%+65,739+387.0%Added
Schroder Investment Management Group83,388$28.9M0.04%+9,803+13.3%Added
Man Group plc–$29.0M0.10%––
BNP PARIBAS ASSET MANAGEMENT Holding S.A.84,244$29.2M0.10%−22,825−21.3%Reduced
Nomura Asset Management Co Ltd85,330$29.6M0.16%+12,575+17.3%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.85,477$29.6M0.07%+3,447+4.2%Added
GW&K Investment Management, LLC86,533$30.0M0.29%+1,127+1.3%Added
State Board of Administration of Florida Retirement System86,901$30.1M0.07%−1,630−1.8%Reduced
Keybank National Association86,986$30.1M0.14%+2,176+2.6%Added
New York State Teachers Retirement System87,292$30.2M0.07%−1,000−1.1%Reduced
Connor, Clark & Lunn Investment Management Ltd.89,030$30.8M0.17%+26,733+42.9%Added
Canada Pension Plan Investment Board91,209$31.6M0.05%+11,500+14.4%Added
Principal Financial Group Inc98,051$34.0M0.02%−105−0.1%Reduced
Blair William & Co102,930$35.7M0.14%+4,524+4.6%Added
Fiera Capital Corp106,727$37.0M0.11%−4,537−4.1%Reduced
National Pension Service110,846$37.8M0.07%−6,069−5.2%Reduced
California State Teachers Retirement System122,022$42.3M0.06%−1,163−0.9%Reduced
HSBC Holdings PLC122,715$42.5M0.05%−140,000−53.3%Reduced
Epoch Investment Partners, Inc.134,414$46.6M0.28%−1,783−1.3%Reduced
Wells Fargo & Company138,486$48.0M0.01%+7,795+6.0%Added
New York State Common Retirement Fund138,917$48.1M0.06%−3,080−2.2%Reduced
Los Angeles Capital Management LLC140,034$48.5M0.22%+136,586+3,961.3%Added
Adage Capital Partners GP, L.L.C.149,107$51.7M0.12%+73,800+98.0%Added
Aviva PLC152,346$52.8M0.24%+11,665+8.3%Added
Bank of Montreal154,688$53.8M0.03%+64,119+70.8%Added
Ensign Peak Advisors, Inc159,194$55.2M0.12%−32,074−16.8%Reduced
Credit Suisse AG160,079$55.5M0.06%+23,629+17.3%Added
Russell Investments Group, Ltd.168,160$58.2M0.11%−19,658−10.5%Reduced
SEI Investments Co168,948$58.5M0.11%+15,398+10.0%Added
California Public Employees Retirement System170,397$59.0M0.05%−185,946−52.2%Reduced
Allspring Global Investments Holdings, LLC171,511$59.4M0.10%−6,107−3.4%Reduced
Point72 Asset Management, L.P.174,599$60.5M0.21%+174,065+32,596.4%Added
Ami Asset Management Corp179,913$62.3M3.98%−2,167−1.2%Reduced
Federated Hermes, Inc.182,611$63.3M0.16%−38,806−17.5%Reduced
Rock Springs Capital Management LP202,000$70.0M1.67%+16,500+8.9%Added
Envestnet Asset Management Inc207,686$72.0M0.03%+12,159+6.2%Added
Rhumbline Advisers208,236$72.1M0.09%−1,690−0.8%Reduced
Sumitomo Mitsui Trust Holdings, Inc.223,766$77.5M0.06%−71,807−24.3%Reduced
Alyeska Investment Group, L.P.227,349$78.8M0.70%+227,349New
Deutsche Bank AG252,856$87.6M0.05%+35,800+16.5%Added
Millennium Management LLC262,131$90.8M0.11%+172,883+193.7%Added
Dimensional Fund Advisors LP292,176$101.2M0.03%+259+0.1%Added
Swiss National Bank293,800$101.8M0.07%−7,100−2.4%Reduced
Findlay Park Partners LLP297,040$102.9M1.09%+125,138+72.8%Added
Eagle Asset Management Inc313,981$108.8M0.64%+93,172+42.2%Added
AustralianSuper Pty Ltd330,265$114.4M0.79%−562−0.2%Reduced
Royal Bank of Canada337,345$116.9M0.04%+65,458+24.1%Added
Intermede Investment Partners Ltd337,565$117.0M2.87%+1,415+0.4%Added
Amundi349,950$121.3M0.07%+51,518+17.3%Added
Congress Asset Management Co350,907$121.6M1.13%−23,598−6.3%Reduced
Champlain Investment Partners, LLC383,470$132.9M0.84%−9,495−2.4%Reduced
Nuveen Asset Management, LLC387,139$134.1M0.05%−118,640−23.5%Reduced
State Farm Mutual Automobile Insurance Co388,239$134.5M0.14%00.0%Unchanged
UBS Asset Management Americas Inc395,045$136.9M0.07%−1,841−0.5%Reduced
Standard Life Aberdeen plc397,065$137.6M0.34%−11,101−2.7%Reduced
Charles Schwab Investment Management Inc405,618$140.5M0.04%−42,645−9.5%Reduced
TD Asset Management Inc444,010$153.8M0.19%+123,224+38.4%Added
Kayne Anderson Rudnick Investment Management LLC460,168$159.4M0.47%+23,411+5.4%Added
Goldman Sachs Group Inc504,037$174.6M0.05%+70,587+16.3%Added
Riverbridge Partners LLC540,890$187.4M2.63%+33,504+6.6%Added
Ameriprise Financial Inc551,550$191.1M0.06%+20,009+3.8%Added
Macquarie Group Ltd576,010$199.5M0.24%+87,948+18.0%Added
Legal & General Group Plc576,460$199.7M0.07%−1,801−0.3%Reduced
ProShare Advisors LLC674,140$233.6M0.71%−27,520−3.9%Reduced
Bank of America Corp688,361$238.5M0.03%+102,354+17.5%Added
Morgan Stanley714,937$247.7M0.03%−36,405−4.8%Reduced
Norges Bank748,062$259.2M0.06%−260,507−25.8%Reduced
Northern Trust Corp846,580$293.3M0.06%+11,589+1.4%Added
JPMorgan Chase & Co849,266$294.2M0.04%+359,021+73.2%Added
Alliancebernstein L.P.882,797$305.9M0.13%+34,640+4.1%Added
Neuberger Berman Group LLC964,160$334.1M0.31%−13,083−1.3%Reduced
Bamco Inc1,065,115$369.0M1.11%−10,338−1.0%Reduced
Citadel Advisors LLC1,099,182$380.8M0.42%+938,098+582.4%Added
Invesco Ltd.1,147,669$397.6M0.11%+543,382+89.9%Added
Artisan Partners Limited Partnership1,164,709$403.5M0.67%+103,905+9.8%Added
Durable Capital Partners LP1,241,818$430.3M4.04%+128,134+11.5%Added
Brown Advisory Inc1,250,661$433.3M0.73%+39,220+3.2%Added
FMR LLC1,294,737$448.6M0.04%−494,506−27.6%Reduced
Geode Capital Management, LLC1,542,451$533.2M0.07%+35,627+2.4%Added
T. Rowe Price Investment Management, Inc.1,719,928$595.9M0.43%−440.0%Reduced
APG Asset Management N.V.2,385,281$760.7M1.61%−175,552−6.9%Reduced
Franklin Resources Inc2,288,215$792.8M0.40%−182,491−7.4%Reduced
Price T Rowe Associates Inc2,842,701$984.9M0.15%+541,540+23.5%Added
State Street Corp3,289,870$1.14B0.06%−69,645−2.1%Reduced
Bank of New York Mellon Corp3,572,090$1.24B0.27%−29,106−0.8%Reduced
BlackRock Inc.8,028,708$2.78B0.08%−120,087−1.5%Reduced
Vanguard Group Inc8,933,309$3.10B0.08%−55,100−0.6%Reduced
Renaissance Technologies LLC0$00.00%−294,700−100.0%Sold out
Select Equity Group, L.P.0$00.00%−189,548−100.0%Sold out