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Westlake Corp

356 hedge funds and large institutions have $3.59B invested in Westlake Corp in 2025 Q1 according to their latest regulatory filings, with 46 funds opening new positions, 146 increasing their positions, 113 reducing their positions, and 62 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

more funds holding in top 10

Funds holding in top 10:

less funds holding

Funds holding:

11% less capital invested

Capital invested by funds: $4.03B → $3.59B (-$437M)

26% less first-time investments, than exits

New positions opened: 46 | Existing positions closed: 62

96% less call options, than puts

Call options by funds: $2.95M | Put options by funds: $68.4M

Holders
356
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.95M
Puts
$68.4M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
State of Wisconsin Investment Board
101
State of Wisconsin Investment Board
Wisconsin
$2.57M
Wealthfront Advisers
102
Wealthfront Advisers
California
$2.45M
WorldQuant Millennium Advisors
103
WorldQuant Millennium Advisors
New York
$2.27M
American Century Companies
104
American Century Companies
Missouri
$2.27M
KOCAA
105
Knights of Columbus Asset Advisors
Connecticut
$2.24M
SDIC
106
South Dakota Investment Council
South Dakota
$2.21M
T. Rowe Price Associates
107
T. Rowe Price Associates
Maryland
$2.12M
DIA
108
Dana Investment Advisors
Wisconsin
$2M
SSA
109
Schonfeld Strategic Advisors
New York
$1.92M
AQR Capital Management
110
AQR Capital Management
Connecticut
$1.88M
MIM
111
MetLife Investment Management
New Jersey
$1.86M
RIA
112
Recurrent Investment Advisors
Texas
$1.81M
APG Asset Management
113
APG Asset Management
Netherlands
$1.8M
State of New Jersey Common Pension Fund D
114
State of New Jersey Common Pension Fund D
New Jersey
$1.77M
CC
115
Centiva Capital
New York
$1.75M
MOACM
116
Mutual of America Capital Management
New York
$1.72M
Mitsubishi UFJ Trust & Banking
117
Mitsubishi UFJ Trust & Banking
Japan
$1.71M
BHCM
118
Brevan Howard Capital Management
Jersey
$1.62M
CAM
119
Cresset Asset Management
Illinois
$1.61M
Royal London Asset Management
120
Royal London Asset Management
United Kingdom
$1.6M
Ensign Peak Advisors
121
Ensign Peak Advisors
Utah
$1.59M
AB
122
Amalgamated Bank
New York
$1.56M
Treasurer of the State of North Carolina
123
Treasurer of the State of North Carolina
North Carolina
$1.53M
XT
124
XTX Topco
Cayman Islands
$1.5M
Pictet Asset Management
125
Pictet Asset Management
Switzerland
$1.49M