WLK icon

Westlake Corp

304 hedge funds and large institutions have $2.99B invested in Westlake Corp in 2025 Q2 according to their latest regulatory filings, with 46 funds opening new positions, 123 increasing their positions, 104 reducing their positions, and 93 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

51% less first-time investments, than exits

New positions opened: 46 | Existing positions closed: 93

66% less call options, than puts

Call options by funds: $19.5M | Put options by funds: $58.1M

Holders
304
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$19.5M
Puts
$58.1M
Net Calls
Net Calls Change

Top Buyers

1 +$155M
2 +$78.7M
3 +$62.5M
4
EGM
Engineers Gate Manager
New York
+$26.4M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$25.5M

Top Sellers

1 -$129M
2 -$63.8M
3 -$33.6M
4
ICP
Ilex Capital Partners
United Kingdom
-$32.3M
5
BlackRock
BlackRock
New York
-$25.2M
Name Holding Trade Value Shares
Change
Change in
Stake
ASRS
326
Arizona State Retirement System
Arizona
AIM
327
Aigen Investment Management
New York
IFU
328
iSAM Funds (UK)
United Kingdom
AC
329
AXQ Capital
New Jersey
DnB Asset Management
330
DnB Asset Management
Norway
JFG
331
Jefferies Financial Group
New York
Skandinaviska Enskilda Banken (SEB)
332
Skandinaviska Enskilda Banken (SEB)
Sweden
BCIM
333
British Columbia Investment Management
British Columbia, Canada
AWAM
334
Appian Way Asset Management
New York
IMRF
335
Illinois Municipal Retirement Fund
Illinois
ATPW
336
Ashton Thomas Private Wealth
Arizona
PTC
337
Petrus Trust Company
Texas
LIP
338
Lighthouse Investment Partners
Florida
Adage Capital Partners
339
Adage Capital Partners
Massachusetts
OSAM
340
O'Shaughnessy Asset Management
Connecticut
AC
341
Allstate Corporation
Illinois
Toronto Dominion Bank
342
Toronto Dominion Bank
Ontario, Canada
Teacher Retirement System of Texas
343
Teacher Retirement System of Texas
Texas
DA
344
Denali Advisors
California
OAM
345
Ostrum Asset Management
France
Zurich Cantonal Bank
346
Zurich Cantonal Bank
Switzerland
NAM
347
Nissay Asset Management
Japan
Wellington Management Group
348
Wellington Management Group
Massachusetts
II
349
IFM Investors
Australia
Truist Financial
350
Truist Financial
North Carolina