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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
+$155M
2
BIP
Brandes Investment Partners
California
+$78.7M
3
AP
Antipodes Partners
Australia
+$62.5M
4
EGM
Engineers Gate Manager
New York
+$26.4M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$25.5M

Top Sellers

1
Capital World Investors
Capital World Investors
California
-$129M
2
Citadel Advisors
Citadel Advisors
Florida
-$63.8M
3
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$33.6M
4
ICP
Ilex Capital Partners
United Kingdom
-$32.3M
5
BlackRock
BlackRock
New York
-$25.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
HIA
301
HFM Investment Advisors
New Jersey
$76 – – –
SS
302
SBI Securities
Japan
$76 – – –
Capital World Investors
303
Capital World Investors
California
– -$129M -1,290,128 Closed
DKAM
304
Drummond Knight Asset Management
Australia
– -$11.7M -117,231 Closed
Swiss National Bank
305
Swiss National Bank
Switzerland
– -$10.9M -109,000 Closed
WLC
306
Walnut Level Capital
Colorado
– -$9.25M -92,500 Closed
HF
307
HRT Financial
New York
– -$6.83M -68,304 Closed
CF
308
Corebridge Financial
Texas
– -$3.7M -36,963 Closed
WAM
309
Weiss Asset Management
Massachusetts
– -$3.17M -31,702 Closed
Wealthfront Advisers
310
Wealthfront Advisers
California
– -$2.45M -24,498 Closed
WorldQuant Millennium Advisors
311
WorldQuant Millennium Advisors
New York
– -$2.27M -22,720 Closed
State of New Jersey Common Pension Fund D
312
State of New Jersey Common Pension Fund D
New Jersey
– -$1.77M -17,662 Closed
Mitsubishi UFJ Trust & Banking
313
Mitsubishi UFJ Trust & Banking
Japan
– -$1.71M -17,052 Closed
CAM
314
Cresset Asset Management
Illinois
– -$1.61M -16,127 Closed
Ensign Peak Advisors
315
Ensign Peak Advisors
Utah
– -$1.59M -15,899 Closed
Pictet Asset Management
316
Pictet Asset Management
Switzerland
– -$1.49M -14,897 Closed
ACM
317
Aquatic Capital Management
Illinois
– -$1.41M -14,126 Closed
OLA
318
Oliver Luxxe Assets
New Jersey
– -$1.39M -13,885 Closed
MSV
319
MN Services Vermogensbeheer
Netherlands
– -$1.37M -13,700 Closed
GF
320
Gries Financial
Ohio
– -$1.35M -13,512 Closed
Korea Investment Corp
321
Korea Investment Corp
South Korea
– -$1.26M -12,611 Closed
Asset Management One
322
Asset Management One
Japan
– -$1.23M -12,253 Closed
KK
323
KLP Kapitalforvaltning
Norway
– -$1.19M -11,900 Closed
RAM
324
Resona Asset Management
Japan
– -$1.17M -11,719 Closed
ASRS
325
Arizona State Retirement System
Arizona
– -$1.12M -11,166 Closed
11 12
13
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