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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 %
BAMF
376
BI Asset Management Fondsmaeglerselskab
Denmark
– -$62K -622 Closed
CIAM
377
Caitong International Asset Management
Hong Kong
– -$55.9K -559 Closed
SFI
378
Siemens Fonds Invest
Germany
– -$41.3K -413 Closed
CCM
379
Coldstream Capital Management
Washington
– -$28.9K -289 Closed
CIBC Private Wealth Group
380
CIBC Private Wealth Group
Georgia
– -$23.8K -287 Closed
LS
381
Livforsakringsbolaget Skandia
Sweden
– -$20K -200 Closed
Mirae Asset Global Investments
382
Mirae Asset Global Investments
South Korea
– -$18.3K -185 Closed
QC
383
Quent Capital
New York
– -$16.5K -165 Closed
Simplex Trading
384
Simplex Trading
Illinois
– -$14K -146 Closed
BT
385
Banque Transatlantique
France
– -$6.93K -75 Closed
HI
386
Harbour Investments
Wisconsin
– -$2.6K -26 Closed
SO
387
Sierra Ocean
California
– -$2.4K -24 Closed
AWM
388
Activest Wealth Management
Florida
– -$1.5K -15 Closed
SCB
389
Saudi Central Bank
Saudi Arabia
– -$1.5K -15 Closed
ZBNA
390
Zions Bancorporation, National Association
Utah
– -$1.4K -14 Closed
SIC
391
SJS Investment Consulting
Ohio
– -$901 -9 Closed
GFPC
392
Global Financial Private Client
Florida
– -$900 -9 Closed
CAL
393
Capital Advisors Ltd
Ohio
– -$1K -7 Closed
BHWM
394
Bay Harbor Wealth Management
Maryland
– -$200 -2 Closed
FMP
395
Financial Management Professionals
Texas
– -$200 -2 Closed
CPG
396
Cornerstone Planning Group
New Jersey
– -$185 -2 Closed
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