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Westlake Corp
WLK

Overview Fund Activity

301 hedge funds and large institutions have $2.94B invested in Westlake Corp in 2025 Q2 according to their latest regulatory filings, with 46 funds opening new positions, 123 increasing their positions, 102 reducing their positions, and 92 closing their positions.

Holders
301
Holders Change
-56
Holders Change %
-15.69%
% of All Funds
4.04%
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
123
Reduced
102
Closed
92
Calls
$10.9M
Puts
$9.94M
Net Calls
+$914K
Net Calls Change
+$66.4M

Top Buyers

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

Top Sellers

1
Capital World Investors
1
Capital World Investors
California
$0
2
Citadel Advisors
2
Citadel Advisors
Florida
$934K
3
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$6.06M
4
ICP
4
Ilex Capital Partners
United Kingdom
$20.8M
5
BlackRock
5
BlackRock
New York
$253M
Name Market Value Shares Shares
Change 		Shares
Change %
SS
301
SBI Securities
Japan
$76 1 – –
Capital World Investors
302
Capital World Investors
California
– – -1,290,128 Closed
DKAM
303
Drummond Knight Asset Management
Australia
– – -117,231 Closed
Swiss National Bank
304
Swiss National Bank
Switzerland
– – -109,000 Closed
WLC
305
Walnut Level Capital
Colorado
– – -92,500 Closed
HF
306
HRT Financial
New York
– – -68,304 Closed
CF
307
Corebridge Financial
Texas
– – -36,963 Closed
WAM
308
Weiss Asset Management
Massachusetts
– – -31,702 Closed
Wealthfront Advisers
309
Wealthfront Advisers
California
– – -24,498 Closed
WorldQuant Millennium Advisors
310
WorldQuant Millennium Advisors
New York
– – -22,720 Closed
State of New Jersey Common Pension Fund D
311
State of New Jersey Common Pension Fund D
New Jersey
– – -17,662 Closed
Mitsubishi UFJ Trust & Banking
312
Mitsubishi UFJ Trust & Banking
Japan
– – -17,052 Closed
CAM
313
Cresset Asset Management
Illinois
– – -16,127 Closed
Ensign Peak Advisors
314
Ensign Peak Advisors
Utah
– – -15,899 Closed
Pictet Asset Management
315
Pictet Asset Management
Switzerland
– – -14,897 Closed
ACM
316
Aquatic Capital Management
Illinois
– – -14,126 Closed
OLA
317
Oliver Luxxe Assets
New Jersey
– – -13,885 Closed
MSV
318
MN Services Vermogensbeheer
Netherlands
– – -13,700 Closed
GF
319
Gries Financial
Ohio
– – -13,512 Closed
Korea Investment Corp
320
Korea Investment Corp
South Korea
– – -12,611 Closed
Asset Management One
321
Asset Management One
Japan
– – -12,253 Closed
KK
322
KLP Kapitalforvaltning
Norway
– – -11,900 Closed
RAM
323
Resona Asset Management
Japan
– – -11,719 Closed
ASRS
324
Arizona State Retirement System
Arizona
– – -11,166 Closed
AIM
325
Aigen Investment Management
New York
– – -10,572 Closed
11 12
13
14 15