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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
BAMCO Inc
51
BAMCO Inc
New York
$72.4M -$10.3M -37,742 -13%
Assenagon Asset Management
52
Assenagon Asset Management
Luxembourg
$69.1M +$17M +62,139 +33%
UBS Group
53
UBS Group
Switzerland
$68.9M -$12.2M -44,512 -15%
Envestnet Asset Management
54
Envestnet Asset Management
Illinois
$68.3M -$20.2M -73,875 -23%
Citadel Advisors
55
Citadel Advisors
Florida
$67.6M -$132M -481,897 -66%
BBHC
56
Brown Brothers Harriman & Co
New York
$66.2M -$1.82M -6,665 -3%
BTCPP
57
Border to Coast Pensions Partnership
United Kingdom
$65.1M +$22M +80,575 +52%
Point72 Asset Management
58
Point72 Asset Management
Connecticut
$64.7M -$116M -424,216 -64%
Jane Street
59
Jane Street
New York
$60.5M +$50.2M +183,501 +506%
BNP Paribas Financial Markets
60
BNP Paribas Financial Markets
France
$58.7M +$25.2M +92,033 +76%
LGF
61
LGT Group Foundation
Liechtenstein
$56.8M -$1.23M -4,498 -2%
Federated Hermes
62
Federated Hermes
Pennsylvania
$55M -$7.51M -27,470 -12%
Swiss National Bank
63
Swiss National Bank
Switzerland
$54.2M -$2.75M -10,060 -5%
Schroder Investment Management Group
64
Schroder Investment Management Group
United Kingdom
$49.6M +$7.9M +28,896 +19%
VF
65
Vest Financial
Virginia
$49M -$5.03M -18,382 -9%
Sumitomo Mitsui Trust Group
66
Sumitomo Mitsui Trust Group
Japan
$48.5M -$3.39M -12,379 -7%
Russell Investments Group
67
Russell Investments Group
United Kingdom
$47.4M +$9.49M +34,708 +25%
Mitsubishi UFJ Asset Management
68
Mitsubishi UFJ Asset Management
Japan
$46.2M +$583K +2,130 +1%
Prudential Financial
69
Prudential Financial
New Jersey
$44.9M +$16.3M +59,747 +58%
AAM
70
AMI Asset Management
California
$43.8M -$1.08M -3,961 -2%
Nomura Asset Management
71
Nomura Asset Management
Japan
$42.5M -$1.97M -7,219 -4%
BHIA
72
Birch Hill Investment Advisors
Massachusetts
$41.9M +$4.29M +15,678 +11%
Pictet Asset Management
73
Pictet Asset Management
Switzerland
$41.8M -$10.4M -38,116 -20%
HSBC Holdings
74
HSBC Holdings
United Kingdom
$40.4M +$7.59M +27,745 +23%
Baird Financial Group
75
Baird Financial Group
Wisconsin
$40.2M +$6.73M +24,603 +20%