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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
VA
151
Vident Advisory
Georgia
$987K
LSERS
152
Louisiana State Employees Retirement System
Louisiana
$940K
DnB Asset Management
153
DnB Asset Management
Norway
$913K
JFG
154
Jefferies Financial Group
New York
$911K
Skandinaviska Enskilda Banken (SEB)
155
Skandinaviska Enskilda Banken (SEB)
Sweden
$910K
Mercer Global Advisors
156
Mercer Global Advisors
Colorado
$904K
SOMRS
157
State of Michigan Retirement System
Michigan
$900K
DFCM
158
Dark Forest Capital Management
Puerto Rico
$899K
SCM
159
Sterling Capital Management
North Carolina
$874K
SEI Investments
160
SEI Investments
Pennsylvania
$869K
QCM
161
QRG Capital Management
Illinois
$868K
Handelsbanken Fonder
162
Handelsbanken Fonder
Sweden
$860K
VPIM
163
Vanguard Personalized Indexing Management
California
$827K
Creative Planning
164
Creative Planning
Kansas
$802K
COPPSERS
165
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$800K
New York State Teachers Retirement System (NYSTRS)
166
New York State Teachers Retirement System (NYSTRS)
New York
$790K
Thrivent Financial for Lutherans
167
Thrivent Financial for Lutherans
Minnesota
$785K
AAM
168
Advisors Asset Management
Colorado
$762K
NMIMC
169
Northwestern Mutual Investment Management Company
Wisconsin
$744K
BCIM
170
British Columbia Investment Management
British Columbia, Canada
$739K
Stifel Financial
171
Stifel Financial
Missouri
$718K
AWAM
172
Appian Way Asset Management
New York
$717K
IMRF
173
Illinois Municipal Retirement Fund
Illinois
$708K
ATPW
174
Ashton Thomas Private Wealth
Arizona
$706K
NMERB
175
New Mexico Educational Retirement Board
New Mexico
$700K