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Westlake Corp

333 hedge funds and large institutions have $5.15B invested in Westlake Corp in 2026 Q1 according to their latest regulatory filings, with 93 funds opening new positions, 115 increasing their positions, 84 reducing their positions, and 47 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
333
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
$26.7M
Puts
$16.9M
Net Calls
Net Calls Change

Top Buyers

1 +$198M
2 +$105M
3 +$87.9M
4
Goldman Sachs
Goldman Sachs
New York
+$62M
5
Citadel Advisors
Citadel Advisors
Florida
+$49.7M

Top Sellers

1 -$235M
2 -$104M
3 -$51.7M
4
Holocene Advisors
Holocene Advisors
New York
-$47.6M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$40.7M
Name Holding Trade Value Shares
Change
Change in
Stake
TFCP
151
Twin Focus Capital Partners
Massachusetts
$935K
TWPM
152
Total Wealth Planning & Management
Florida
$900K
CGIM
153
Capital Group Investment Management
Singapore
$899K
ECSS
154
Eurizon Capital SGR SpA
$878K
Thrivent Financial for Lutherans
155
Thrivent Financial for Lutherans
Minnesota
$878K
NMIMC
156
Northwestern Mutual Investment Management Company
Wisconsin
$873K
DTL
157
Dynamic Technology Lab
Singapore
$859K
GIA
158
Gateway Investment Advisers
Ohio
$835K
First Eagle Investment Management
159
First Eagle Investment Management
New York
$832K
NMERB
160
New Mexico Educational Retirement Board
New Mexico
$818K
OPERF
161
Oregon Public Employees Retirement Fund
Oregon
$802K
BNP Paribas Financial Markets
162
BNP Paribas Financial Markets
France
$782K
PI
163
Pettee Investors
Connecticut
$774K
AC
164
Allstate Corporation
Illinois
$768K
CCS
165
Concentric Capital Strategies
Connecticut
$761K
RIG
166
RiverFront Investment Group
Virginia
$759K
Pictet Asset Management
167
Pictet Asset Management
Switzerland
$708K
Mercer Global Advisors
168
Mercer Global Advisors
Colorado
$668K
BIG
169
Brooklyn Investment Group
New York
$666K
PFSRSONJ
170
Police & Firemen's Retirement System of New Jersey
New Jersey
$664K
AAM
171
Advisors Asset Management
Colorado
$660K
S
172
Storgate
Texas
$644K
UA
173
Unison Advisors
District of Columbia
$613K
CG
174
Caprock Group
Idaho
$604K
GCP
175
GSA Capital Partners
United Kingdom
$596K