WLK icon

Westlake Corp

304 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, 123 increasing their positions, 104 reducing their positions, and 93 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

51% less first-time investments, than exits

New positions opened: 46 | Existing positions closed: 93

66% less call options, than puts

Call options by funds: $19.5M | Put options by funds: $58.1M

Holders
304
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$19.5M
Puts
$58.1M
Net Calls
Net Calls Change

Top Buyers

1 +$155M
2 +$78.7M
3 +$62.5M
4
EGM
Engineers Gate Manager
New York
+$26.4M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$25.5M

Top Sellers

1 -$129M
2 -$63.8M
3 -$33.6M
4
ICP
Ilex Capital Partners
United Kingdom
-$32.3M
5
BlackRock
BlackRock
New York
-$25.2M
Name Holding Trade Value Shares
Change
Change in
Stake
TCM
76
Thomist Capital Management
Texas
$5.45M
Barclays
77
Barclays
United Kingdom
$5.39M
AllianceBernstein
78
AllianceBernstein
Tennessee
$5.21M
California Public Employees Retirement System
79
California Public Employees Retirement System
California
$4.55M
SG Americas Securities
80
SG Americas Securities
New York
$4.14M
JIM
81
JCP Investment Management
Texas
$4.02M
CCS
82
Concentric Capital Strategies
Connecticut
$4.02M
Canada Pension Plan Investment Board
83
Canada Pension Plan Investment Board
Ontario, Canada
$3.75M
KBC Group
84
KBC Group
Belgium
$3.65M
JAG
85
Journey Advisory Group
Kentucky
$3.4M
Verition Fund Management
86
Verition Fund Management
Connecticut
$3.18M
TPSF
87
Texas Permanent School Fund
Texas
$3.14M
Retirement Systems of Alabama
88
Retirement Systems of Alabama
Alabama
$3.09M
Jane Street
89
Jane Street
New York
$2.61M
Comerica Bank
90
Comerica Bank
Texas
$2.61M
YIH
91
Y-Intercept (HK)
Hong Kong
$2.47M
QCM
92
Quantinno Capital Management
New York
$2.3M
Twin Tree Management
93
Twin Tree Management
Texas
$2.23M
Manulife (Manufacturers Life Insurance)
94
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$2.14M
SOADOR
95
State of Alaska Department of Revenue
Alaska
$2.1M
BHCM
96
Brevan Howard Capital Management
Jersey
$2.04M
State of Wisconsin Investment Board
97
State of Wisconsin Investment Board
Wisconsin
$1.97M
HSBC Holdings
98
HSBC Holdings
United Kingdom
$1.96M
NFC
99
Northeast Financial Consultants
Connecticut
$1.88M
State Board of Administration of Florida Retirement System
100
State Board of Administration of Florida Retirement System
Florida
$1.87M