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West Pharmaceutical
WST

Overview Fund Activity

703 hedge funds and large institutions have $15.4B invested in West Pharmaceutical in 2025 Q1 according to their latest regulatory filings, with 91 funds opening new positions, 267 increasing their positions, 259 reducing their positions, and 112 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
703
Holders Change
-35
Holders Change %
-4.74%
% of All Funds
9.55%
Holding in Top 10
3
Holding in Top 10 Change
-7
Holding in Top 10 Change %
-70%
% of All Funds
0.04%
New
91
Increased
267
Reduced
259
Closed
112
Calls
$98M
Puts
$63M
Net Calls
+$35M
Net Calls Change
+$96.3M

Top Buyers

1
DCP
Durable Capital Partners
Maryland
$352M
2
VanEck Associates
VanEck Associates
New York
$324M
3
Brown Advisory
Brown Advisory
Maryland
$732M
4
Two Sigma Investments
Two Sigma Investments
New York
$117M
5
Gates Foundation Trust
Gates Foundation Trust
Washington
$99.5M

Top Sellers

1
AllianceBernstein
AllianceBernstein
Tennessee
$17.9M
2
Artisan Partners
Artisan Partners
Wisconsin
$492M
3
BlackRock
BlackRock
New York
$1.55B
4
Citadel Advisors
Citadel Advisors
Florida
$62.8M
5
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$34.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
PP
176
Prudential plc
United Kingdom
$5.22M +$1.44M +6,443 +38%
WTC
177
WhitTier Trust Company
Nevada
$5.18M +$197K +881 +4%
PNC Financial Services Group
178
PNC Financial Services Group
Pennsylvania
$5.1M +$742K +3,315 +17%
APC
179
Alpine Peaks Capital
New York
$4.75M +$336K +1,500 +8%
KCM
180
Kornitzer Capital Management
Kansas
$4.74M -$32.9K -147 -0.7%
MML Investors Services
181
MML Investors Services
Massachusetts
$4.72M +$183K +819 +4%
ASRS
182
Arizona State Retirement System
Arizona
$4.69M -$28.4K -127 -0.6%
MIM
183
MetLife Investment Management
New Jersey
$4.64M -$85.7K -383 -2%
NA
184
NewEdge Advisors
Louisiana
$4.62M +$796K +3,554 +21%
SOMRS
185
State of Michigan Retirement System
Michigan
$4.56M – – –
TPSF
186
Texas Permanent School Fund
Texas
$4.52M +$4.52M +21,401 New
JFG
187
Jefferies Financial Group
New York
$4.3M -$3.32M -14,814 -44%
QIM
188
Quantitative Investment Management
Virginia
$4.16M +$3.97M +17,755 +2,184%
Bank of Nova Scotia
189
Bank of Nova Scotia
Ontario, Canada
$4.16M -$11.6M -51,740 -74%
Walleye Capital
190
Walleye Capital
New York
$4.03M -$6.87M -30,675 -63%
Truist Financial
191
Truist Financial
North Carolina
$3.9M +$1.49M +6,650 +62%
First Trust Advisors
192
First Trust Advisors
Illinois
$3.87M -$5.46M -24,408 -59%
KeyBank National Association
193
KeyBank National Association
Ohio
$3.85M -$836K -3,736 -18%
SCM
194
Sterling Capital Management
North Carolina
$3.85M -$154K -690 -4%
CF
195
Corebridge Financial
Texas
$3.83M -$118K -529 -3%
UIM
196
USS Investment Management
United Kingdom
$3.75M – – –
CNB
197
Czech National Bank
Czech Republic
$3.72M +$208K +931 +6%
COPPSERS
198
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$3.71M +$260K +1,163 +8%
FAM
199
Fred Alger Management
New York
$3.6M -$572K -2,556 -14%
FRAF
200
Första AP-fonden
Sweden
$3.58M -$67.2K -300 -2%
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