Who Owns West Pharmaceutical Services, Inc. (WST)?Hedge Fund & Institutional Holders

$235.46+4.20 (+1.82%)HealthcareNYSE

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$InfinityT

% of Float Held

3.9854077760034482e+298%

QoQ Change in Holders

+8 / -2

Price History

$190.39$229.76$269.13$308.50$347.87Sep 24Jun 25Mar 26

WST — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
Longview Partners (Guernsey) LTDIncreased+779K+$218.6B
GENERATION INVESTMENT MANAGEMENT LLPIncreased+586K+$173.7B
BANK OF AMERICA CORP /DE/Increased+58K+$142.9B
VIKING GLOBAL INVESTORS LPNew Position+295K+$81.2B
JACOBS LEVY EQUITY MANAGEMENT, INCIncreased+230K+$67.5B
Artisan Partners Limited PartnershipIncreased+79K+$57.1B
FEDERATED HERMES, INC.New Position+200K+$54.0B
Sumitomo Mitsui Trust Group, Inc.New Position+176K+$48.5B
AMERICAN CENTURY COMPANIES INCIncreased+148K+$44.1B
AMI ASSET MANAGEMENT CORPNew Position+159K+$43.8B
Birch Hill Investment Advisors LLCNew Position+152K+$41.9B
Asset Management One Co., Ltd.New Position+125K+$34.4B
Conestoga Capital Advisors, LLCNew Position+123K+$33.8B
FMR LLCIncreased+65K+$29.0B
Ninety One UK LtdNew Position+102K+$28.0B

WST — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
Durable Capital Partners LPClosed Position-1.2M-$307.6B
ProShare Advisors LLCDecreased-26K-$160.5B
CITADEL ADVISORS LLCDecreased-482K-$123.9B
BROWN ADVISORY INCDecreased-554K-$121.3B
Point72 Asset Management, L.P.Decreased-424K-$108.9B
Woodline Partners LPDecreased-242K-$64.2B
MILLENNIUM MANAGEMENT LLCDecreased-203K-$52.1B
WORLDQUANT MILLENNIUM ADVISORS LLCDecreased-169K-$48.2B
Freestone Grove Partners LPDecreased-164K-$43.6B
APG Asset Management N.V.Decreased-215K-$34.7B
D. E. Shaw & Co., Inc.Closed Position-127K-$33.4B
CREDIT AGRICOLE S ADecreased-27K-$30.3B
ROYAL BANK OF CANADADecreased-115K-$29.8B
Findlay Park Partners LLPDecreased-135K-$26.9B
LPL Financial LLCDecreased-3K-$20.1B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1Artisan Partners Limited Partnership2,850,401$784.0B1173.78%Share
2BROWN ADVISORY INC1,839,389$506.0B705.94%Share
3GENERATION INVESTMENT MANAGEMENT LLP1,561,869$429.7B2980.70%Share
4Longview Partners (Guernsey) LTD1,131,026$311.0B3248.04%Share
5APG Asset Management N.V.1,199,005$280.9B797.21%Share
6FRANKLIN RESOURCES INC884,371$243.0B59.62%Share
7Invesco Ltd.681,878$187.6B28.77%Share
8Findlay Park Partners LLP666,926$183.5B2341.36%Share
9JACOBS LEVY EQUITY MANAGEMENT, INC639,561$175.0B675.78%Share
10SEI INVESTMENTS CO587,585$161.0B158.92%Share
11TD ASSET MANAGEMENT INC583,376$160.0B128.72%Share
12NORTHERN TRUST CORP546,188$150.0B19.12%Share
13CHARLES SCHWAB INVESTMENT MANAGEMENT INC542,803$149.0B23.15%Share
14KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC505,833$139.2B373.54%Share
15AQR CAPITAL MANAGEMENT LLC501,417$137.0B71.87%Share
16Epoch Investment Partners, Inc.498,615$137.0B778.50%Share
17Champlain Investment Partners, LLC475,355$130.8B1324.16%Share
18KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC449,316$123.6B331.80%Share
19GATES FOUNDATION TRUST444,500$122.3B345.87%Share
20AMERICAN CENTURY COMPANIES INC445,484$122.0B61.32%Share
21STEADFAST CAPITAL MANAGEMENT LP429,907$118.3B2031.06%Share
22Neuberger Berman Group LLC421,265$115.0B85.61%Share
23DIMENSIONAL FUND ADVISORS LP375,134$103.0B21.61%Share
24GOLDMAN SACHS GROUP INC350,041$96.0B11.84%Share
25Amundi346,529$95.0B25.82%Share
26RIVERBRIDGE PARTNERS LLC318,613$87.7B1643.40%Share
27DF DENT & CO INC319,582$87.0B1252.34%Share
28ARROWSTREET CAPITAL, LIMITED PARTNERSHIP300,404$82.0B48.03%Share
29VIKING GLOBAL INVESTORS LP295,028$81.2B215.44%Share
30Seilern Investment Management Ltd278,229$76.6B5.94%Share
31RHUMBLINE ADVISERS272,192$74.0B59.83%Share
32BAMCO INC /NY/263,189$72.4B196.18%Share
33Assenagon Asset Management S.A.251,006$69.1B95.07%Share
34BANK OF AMERICA CORP /DE/248,236$68.0B4.95%Share
35DEUTSCHE BANK AG\240,646$66.0B21.49%Share
36BROWN BROTHERS HARRIMAN & CO240,691$66.0B359.97%Share
37Point72 Asset Management, L.P.235,037$64.0B71.57%Share
38UBS Group AG232,024$63.8B10.35%Share
39Legal & General Group Plc229,862$63.0B13.97%Share
40Nuveen, LLC227,362$62.0B16.23%Share
41STATE FARM MUTUAL AUTOMOBILE INSURANCE CO205,236$56.5B44.35%Share
42Swiss National Bank197,040$54.0B32.14%Share
43FEDERATED HERMES, INC.199,428$54.0B90.22%Share
44BANK OF AMERICA CORP /DE/190,452$52.0B3.78%Share
45ROYAL BANK OF CANADA190,100$52.0B8.46%Share
46STATE FARM MUTUAL AUTOMOBILE INSURANCE CO183,003$50.4B39.55%Share
47Sumitomo Mitsui Trust Group, Inc.176,116$48.5B28.46%Share
48CITADEL ADVISORS LLC176,440$48.0B7.21%Share
49SCHRODER INVESTMENT MANAGEMENT GROUP175,178$48.0B36.39%Share
50Nuveen, LLC169,289$46.0B12.05%Share

WST Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025784$9.2T+301
Q3 2025483$8.9T-149
Q2 2025632$5.9T-67
Q1 2025699$10.4T+36
Q4 2024663$85.6T+107
Q3 2024556$1520.6T-23
Q2 2024579$1924.6T+12
Q1 2024567$2204.0T—

Similar Stocks by Institutional Ownership

LLY

Eli Lilly and Company

JNJ

Johnson & Johnson

ABBV

AbbVie Inc.

NVS

Novartis AG

AZN

AstraZeneca PLC

MRK

Merck & Co., Inc.

UNH

UnitedHealth Group Incorporated

AMGN

Amgen Inc.

As of Q4 2025, 50 institutional investors hold WST (West Pharmaceutical Services, Inc.). The largest holder is Artisan Partners Limited Partnership with $784.0B in shares. This quarter, 8 institutions opened new positions and 2 closed their positions.

Frequently Asked Questions

How many hedge funds own WST?

As of Q4 2025, 50 institutional investors report holding WST (West Pharmaceutical Services, Inc.) in their 13F filings.

Who is the largest institutional holder of WST?

The largest institutional holder of WST is Artisan Partners Limited Partnership with $784.0B in shares.

Is institutional ownership of WST increasing or decreasing?

This quarter, 8 institutions opened new positions in WST and 2 closed their positions.