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Westlake Corp

294 hedge funds and large institutions have $3.19B invested in Westlake Corp in 2025 Q3 according to their latest regulatory filings, with 55 funds opening new positions, 99 increasing their positions, 104 reducing their positions, and 55 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more ownership

Funds ownership:

more first-time investments, than exits

New positions opened: | Existing positions closed:

5% less repeat investments, than reductions

Existing positions increased: 99 | Existing positions reduced: 104

3% less funds holding

Funds holding: 304294 (-10)

67% less call options, than puts

Call options by funds: $19.3M | Put options by funds: $57.8M

Holders
294
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$19.3M
Puts
$57.8M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
QCM
76
Quantinno Capital Management
New York
$5.03M
CCS
77
Concentric Capital Strategies
Connecticut
$4.94M
Tudor Investment Corp
78
Tudor Investment Corp
Connecticut
$4.82M
WLC
79
Walnut Level Capital
Colorado
$4.44M
Wellington Management Group
80
Wellington Management Group
Massachusetts
$4.43M
DFCM
81
Dark Forest Capital Management
Puerto Rico
$4.43M
QT
82
Quantbot Technologies
New York
$4.38M
Marshall Wace
83
Marshall Wace
United Kingdom
$4.35M
AQR Capital Management
84
AQR Capital Management
Connecticut
$4.01M
HF
85
HRT Financial
New York
$3.67M
California Public Employees Retirement System
86
California Public Employees Retirement System
California
$3.61M
TCM
87
Thomist Capital Management
Texas
$3.56M
SSA
88
Schonfeld Strategic Advisors
New York
$3.54M
Bank of Montreal
89
Bank of Montreal
Ontario, Canada
$3.48M
JAG
90
Journey Advisory Group
Kentucky
$3.47M
Retirement Systems of Alabama
91
Retirement Systems of Alabama
Alabama
$3.11M
WCM
92
Wedge Capital Management
North Carolina
$3.03M
Legal & General Group
93
Legal & General Group
United Kingdom
$2.82M
Corient Private Wealth
94
Corient Private Wealth
Florida
$2.54M
CSS
95
Cubist Systematic Strategies
Connecticut
$2.42M
ACM
96
Aquatic Capital Management
Illinois
$2.24M
Amundi
97
Amundi
France
$2.19M
Comerica Bank
98
Comerica Bank
Texas
$2.18M
Manulife (Manufacturers Life Insurance)
99
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$2.16M
Envestnet Asset Management
100
Envestnet Asset Management
Illinois
$2.12M