13F Insight
DOSSIER · 13F Holders · Q1 2026Healthcare · Surgical & Medical Instruments & ApparatusInflation hedgeYield
WST

WEST PHARMACEUTICAL SVSC INC

793 institutions still hold WEST PHARMACEUTICAL SVSC INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 955306105·Surgical & Medical Instruments & Apparatus·793 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 8.7%
vs prior quarter
13F value held
$10.4B
59.0% inst. owned
of float
Holders
793
+29 QoQ
filers reporting
Activity
+21 / −40
+764 added · −825 reduced
this quarter
Concentration
16.50%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

793 institutions reported WST in Q1 2026. BlackRock, Inc. leads at 16.5% of the visible book. +29 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$1.7B6.8M0.03%Q1 202602
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$1.2B4.7M0.03%Q1 202603
Vanguard Portfolio Management
CIK 0002100121· Index
$1.0B4.1M0.05%Q1 202604
STATE STREET CORP
CIK 0000093751
$826M3.3M0.03%Q1 202605
Artisan Partners Limited Partnership
CIK 0001466153
$666M2.7M1.07%Q1 202606
Bank of New York Mellon Corp
CIK 0001390777
$618M2.5M0.11%Q1 202607
GENERATION INVESTMENT MANAGEMENT LLP
CIK 0001375534
$562M2.2M5.04%Q1 202608
BROWN ADVISORY INC
CIK 0001345929
$535M1.9M0.75%Q4 202509
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$478M1.9M0.03%Q1 202610
MORGAN STANLEY
CIK 0000895421
$366M1.5M0.02%Q1 202611
FMR LLC
CIK 0000315066
$313M1.2M0.02%Q1 202612
Longview Partners (Guernsey) LTD
CIK 0001426092
$311M1.1M3.25%Q4 202513
APG Asset Management N.V.
CIK 0001434819
$276M1.3M0.87%Q1 202614
Invesco Ltd.
CIK 0000914208
$265M1.1M0.04%Q1 202615
JPMORGAN CHASE & CO
CIK 0000019617
$256M1.0M0.02%Q1 202616
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
CIK 0000861177
$226M903K0.05%Q1 202617
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
CIK 0001021223
$215M858K0.63%Q1 202618
TD ASSET MANAGEMENT INC
CIK 0001056053
$193M769K0.16%Q1 202619
NORTHERN TRUST CORP
CIK 0000073124· Index
$183M731K0.02%Q1 202620
GOLDMAN SACHS GROUP INC
CIK 0000886982
$182M728K0.02%Q1 2026
Page 1 of 40
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