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West Pharmaceutical

749 hedge funds and large institutions have $17.8B invested in West Pharmaceutical in 2026 Q1 according to their latest regulatory filings, with 89 funds opening new positions, 263 increasing their positions, 278 reducing their positions, and 123 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more ownership

Funds ownership:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

7% less capital invested

Capital invested by funds: $19.1B → $17.8B (-$1.31B)

28% less first-time investments, than exits

New positions opened: 89 | Existing positions closed: 123

52% less call options, than puts

Call options by funds: $60.5M | Put options by funds: $126M

Holders
749
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$60.5M
Puts
$126M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
D.E. Shaw & Co
226
D.E. Shaw & Co
New York
$3.51M
Millennium Management
227
Millennium Management
New York
$3.45M
II
228
IFM Investors
Australia
$3.45M
KCM
229
Kornitzer Capital Management
Kansas
$3.43M
WAC
230
William Allan Corp
Colorado
$3.39M
SAM
231
SEB Asset Management
$3.38M
PP
232
Prudential plc
United Kingdom
$3.36M
MFWM
233
Motley Fool Wealth Management
Virginia
$3.34M
EWM
234
Endowment Wealth Management
Wisconsin
$3.32M
AB
235
Amalgamated Bank
New York
$3.28M
ERSOT
236
Employees Retirement System of Texas
Texas
$3.25M
OAC
237
OMERS Administration Corp
Ontario, Canada
$3.2M
ECSS
238
Eurizon Capital SGR SpA
$3.16M
SF
239
Summit Financial
New Jersey
$3.16M
X
240
Xponance
Pennsylvania
$3.14M
II
241
Inspire Investing
Idaho
$3.13M
Mariner
242
Mariner
Kansas
$3.12M
Cerity Partners
243
Cerity Partners
New York
$3.08M
Wealth Enhancement Advisory Services
244
Wealth Enhancement Advisory Services
Minnesota
$2.98M
Franklin Resources
245
Franklin Resources
California
$2.92M
Public Sector Pension Investment Board (PSP Investments)
246
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$2.92M
URS
247
Utah Retirement Systems
Utah
$2.91M
PFSRSONJ
248
Police & Firemen's Retirement System of New Jersey
New Jersey
$2.75M
NYLIM
249
New York Life Investment Management
New York
$2.67M
AssetMark Inc
250
AssetMark Inc
California
$2.66M