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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
Pathstone Holdings
176
Pathstone Holdings
New Jersey
$579K
HP
177
Hartree Partners
New York
$502K
New York State Teachers Retirement System (NYSTRS)
178
New York State Teachers Retirement System (NYSTRS)
New York
$484K
GC
179
Guggenheim Capital
Illinois
$481K
X
180
Xponance
Pennsylvania
$466K
CIBC Asset Management
181
CIBC Asset Management
Ontario, Canada
$465K
Cetera Investment Advisers
182
Cetera Investment Advisers
Illinois
$458K
Pacer Advisors
183
Pacer Advisors
Pennsylvania
$449K
MM
184
Marnell Management
Michigan
$444K
AI
185
Atria Investments
North Carolina
$442K
ECM
186
Evergreen Capital Management
Washington
$427K
GI
187
GAMCO Investors
Connecticut
$408K
SOADOR
188
State of Alaska Department of Revenue
Alaska
$391K
SA
189
Sanctuary Advisors
Indiana
$382K
HP
190
Havemeyer Place
Connecticut
$380K
CAM
191
Claret Asset Management
Quebec, Canada
$351K
TSW
192
Thompson Siegel & Walmsley
Virginia
$348K
TC
193
TwinBeech Capital
New York
$345K
Raymond James Financial
194
Raymond James Financial
Florida
$342K
OL
195
Odyssean LLC
Connecticut
$339K
IWC
196
Integrated Wealth Concepts
Massachusetts
$334K
IFU
197
iSAM Funds (UK)
United Kingdom
$331K
Wealth Enhancement Advisory Services
198
Wealth Enhancement Advisory Services
Minnesota
$309K
AIC
199
Archer Investment Corporation
Indiana
$291K
VOYA Investment Management
200
VOYA Investment Management
Georgia
$285K