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Westlake Corp
WLK

Overview Fund Activity

303 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, 124 increasing their positions, 103 reducing their positions, and 94 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
303
Holders Change
-54
Holders Change %
-15.13%
% of All Funds
4.06%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.03%
New
46
Increased
124
Reduced
103
Closed
94
Calls
$19.5M
Puts
$58.1M
Net Calls
-$38.6M
Net Calls Change
+$26.8M

Top Buyers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$156M
2
BIP
Brandes Investment Partners
California
$111M
3
AP
Antipodes Partners
Australia
$62.5M
4
EGM
Engineers Gate Manager
New York
$26.7M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
$96.8M

Top Sellers

1
Capital World Investors
Capital World Investors
California
$0
2
Citadel Advisors
Citadel Advisors
Florida
$934K
3
Balyasny Asset Management
Balyasny Asset Management
Illinois
$6.06M
4
ICP
Ilex Capital Partners
United Kingdom
$20.8M
5
BlackRock
BlackRock
New York
$253M
Name Holding Trade Value Shares
Change 		Shares
Change %
QT
351
Quantbot Technologies
New York
– -$445K -4,451 Closed
TC
352
TwinBeech Capital
New York
– -$404K -4,036 Closed
OAM
353
Oxford Asset Management
United Kingdom
– -$395K -3,948 Closed
Commonwealth Equity Services
354
Commonwealth Equity Services
Massachusetts
– -$384K -3,835 Closed
TD Asset Management
355
TD Asset Management
Ontario, Canada
– -$369K -3,688 Closed
SC
356
SummitTX Capital
Texas
– -$335K -3,352 Closed
GIBU
357
Gulf International Bank (UK)
United Kingdom
– -$306K -3,068 Closed
YMRC
358
Yorktown Management & Research Company
Virginia
– -$305K -3,050 Closed
Daiwa Securities Group
359
Daiwa Securities Group
Japan
– -$302K -3,024 Closed
BCM
360
Bayesian Capital Management
New York
– -$284K -2,841 Closed
Neuberger Berman Group
361
Neuberger Berman Group
New York
– -$278K -2,775 Closed
1C
362
111 Capital
France
– -$267K -2,670 Closed
PI
363
PGGM Investments
Netherlands
– -$267K -2,668 Closed
Nordea Investment Management
364
Nordea Investment Management
Sweden
– -$252K -2,560 Closed
HighTower Advisors
365
HighTower Advisors
Illinois
– -$255K -2,548 Closed
Brown Advisory
366
Brown Advisory
Maryland
– -$250K -2,504 Closed
OC
367
Oppenheimer & Co
New York
– -$242K -2,415 Closed
Allianz Asset Management
368
Allianz Asset Management
Germany
– -$241K -2,410 Closed
JF
369
Jump Financial
Illinois
– -$232K -2,322 Closed
KRS
370
Kentucky Retirement Systems
Kentucky
– -$229K -2,289 Closed
USAA
371
United Services Automobile Association
Texas
– -$211K -2,133 Closed
Franklin Resources
372
Franklin Resources
California
– -$207K -2,071 Closed
EGA
373
Eagle Global Advisors
Texas
– -$207K -2,066 Closed
Macquarie Group
374
Macquarie Group
Australia
– -$143K -1,426 Closed
VI
375
Vestcor Inc
New Brunswick, Canada
– -$89K -888 Closed
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