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West Pharmaceutical

802 hedge funds and large institutions have $19.1B invested in West Pharmaceutical in 2025 Q4 according to their latest regulatory filings, with 114 funds opening new positions, 269 increasing their positions, 290 reducing their positions, and 55 closing their positions.

New
Increased
Maintained
Reduced
Closed

107% more first-time investments, than exits

New positions opened: 114 | Existing positions closed: 55

63% more call options, than puts

Call options by funds: $38.9M | Put options by funds: $23.8M

33% more funds holding in top 10

Funds holding in top 10: 34 (+1)

6% more capital invested

Capital invested by funds: $18B → $19.1B (+$1.11B)

6% more funds holding

Funds holding: 756802 (+46)

1.12% more ownership

Funds ownership: 95.64%96.76% (+1.1%)

7% less repeat investments, than reductions

Existing positions increased: 269 | Existing positions reduced: 290

Holders
802
Holders Change
+46
Holders Change %
+6.08%
% of All Funds
9.76%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.05%
New
114
Increased
269
Reduced
290
Closed
55
Calls
$38.9M
Puts
$23.8M
Net Calls
+$15.1M
Net Calls Change
-$34.3M
Name Holding Trade Value Shares
Change
Change in
Stake
Citigroup
76
Citigroup
New York
$40.1M +$17.2M +62,889 +76%
Barclays
77
Barclays
United Kingdom
$39.1M +$593K +2,169 +2%
Two Sigma Investments
78
Two Sigma Investments
New York
$38.5M +$10.6M +38,738 +38%
Walleye Capital
79
Walleye Capital
New York
$37M +$30M +109,722 +444%
Bank of Montreal
80
Bank of Montreal
Ontario, Canada
$36.5M -$88.1K -322 -0.2%
Holocene Advisors
81
Holocene Advisors
New York
$35.1M -$16.2M -59,394 -32%
HF
82
HRT Financial
New York
$35M +$34.1M +124,799 +5,224%
Asset Management One
83
Asset Management One
Japan
$34.4M +$15.1M +55,229 +79%
California Public Employees Retirement System
84
California Public Employees Retirement System
California
$33.9M +$227K +830 +0.7%
AAS
85
Annex Advisory Services
Wisconsin
$33.8M +$2.68M +9,800 +9%
CCA
86
Conestoga Capital Advisors
Pennsylvania
$33.8M +$6.02M +22,008 +22%
LPPI
87
Local Pensions Partnership Investment
United Kingdom
$33.3M -$1.5M -5,500 -4%
Canada Pension Plan Investment Board
88
Canada Pension Plan Investment Board
Ontario, Canada
$31.5M -$12.5M -45,809 -29%
California State Teachers Retirement System (CalSTRS)
89
California State Teachers Retirement System (CalSTRS)
California
$31.2M -$1.08M -3,946 -3%
Korea Investment Corp
90
Korea Investment Corp
South Korea
$30.5M +$15M +54,873 +98%
Millennium Management
91
Millennium Management
New York
$30.4M -$55.4M -202,593 -65%
NSLI
92
Nan Shan Life Insurance
Taiwan
$30.2M
Fidelity Investments
93
Fidelity Investments
Massachusetts
$30.2M +$17.9M +65,290 +147%
Wells Fargo
94
Wells Fargo
California
$29.4M -$632K -2,312 -2%
SPS
95
Susquehanna Portfolio Strategies
Pennsylvania
$29.3M +$6.18M +22,592 +27%
QCM
96
Quantinno Capital Management
New York
$29M +$3.58M +13,080 +14%
Renaissance Technologies
97
Renaissance Technologies
New York
$28.8M +$28.6M +104,736 New
EAM
98
EULAV Asset Management
Florida
$28.8M
Raymond James Financial
99
Raymond James Financial
Florida
$28.2M -$4.92M -18,002 -15%
Mackenzie Financial
100
Mackenzie Financial
Ontario, Canada
$28.2M +$2.53M +9,241 +10%