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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
Norges Bank
2
Norges Bank
Norway
$104M
3
BIP
3
Brandes Investment Partners
California
$111M
4
AP
4
Antipodes Partners
Australia
$62.5M
5
EGM
5
Engineers Gate Manager
New York
$26.7M

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 %
CCM
376
Coldstream Capital Management
Washington
– – -289 Closed
LS
377
Livforsakringsbolaget Skandia
Sweden
– – -200 Closed
Mirae Asset Global Investments
378
Mirae Asset Global Investments
South Korea
– – -185 Closed
QC
379
Quent Capital
New York
– – -165 Closed
Simplex Trading
380
Simplex Trading
Illinois
– – -146 Closed
BT
381
Banque Transatlantique
France
– – -75 Closed
HI
382
Harbour Investments
Wisconsin
– – -26 Closed
SO
383
Sierra Ocean
California
– – -24 Closed
SCB
384
Saudi Central Bank
Saudi Arabia
– – -15 Closed
AWM
385
Activest Wealth Management
Florida
– – -15 Closed
ZBNA
386
Zions Bancorporation, National Association
Utah
– – -14 Closed
GFPC
387
Global Financial Private Client
Florida
– – -9 Closed
SIC
388
SJS Investment Consulting
Ohio
– – -9 Closed
CAL
389
Capital Advisors Ltd
Ohio
– – -7 Closed
CPG
390
Cornerstone Planning Group
New Jersey
– – -2 Closed
BHWM
391
Bay Harbor Wealth Management
Maryland
– – -2 Closed
FMP
392
Financial Management Professionals
Texas
– – -2 Closed
MCS
393
Mercuria Capital Strategies
Texas
– – – –
Walleye Trading
394
Walleye Trading
New York
– – – –
Group One Trading
395
Group One Trading
Illinois
– – – –
Wolverine Trading
396
Wolverine Trading
Illinois
– – – –
Tudor Investment Corp
397
Tudor Investment Corp
Connecticut
– – – –
PCM
398
Penserra Capital Management
California
$0 12 – –
12 13 14 15
16