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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
SEI Investments
101
SEI Investments
Pennsylvania
$1.73M
KOCAA
102
Knights of Columbus Asset Advisors
Connecticut
$1.7M
SDIC
103
South Dakota Investment Council
South Dakota
$1.68M
LPL Financial
104
LPL Financial
California
$1.62M
MNA
105
Manning & Napier Advisors
New York
$1.57M
Envestnet Asset Management
106
Envestnet Asset Management
Illinois
$1.55M
DIA
107
Dana Investment Advisors
Wisconsin
$1.5M
RIA
108
Recurrent Investment Advisors
Texas
$1.37M
American Century Companies
109
American Century Companies
Missouri
$1.37M
APG Asset Management
110
APG Asset Management
Netherlands
$1.36M
MIM
111
MetLife Investment Management
New Jersey
$1.36M
MOACM
112
Mutual of America Capital Management
New York
$1.26M
Treasurer of the State of North Carolina
113
Treasurer of the State of North Carolina
North Carolina
$1.19M
Royal London Asset Management
114
Royal London Asset Management
United Kingdom
$1.18M
AB
115
Amalgamated Bank
New York
$1.16M
Canada Life
116
Canada Life
Manitoba, Canada
$1.16M
OQS
117
Occudo Quantitative Strategies
Florida
$1.15M
FA
118
Faithward Advisors
Pennsylvania
$1.08M
PCM
119
Polymer Capital Management
New York
$1.07M
Stifel Financial
120
Stifel Financial
Missouri
$938K
Citadel Advisors
121
Citadel Advisors
Florida
$934K
GAM
122
Gotham Asset Management
New York
$917K
YCM
123
Yousif Capital Management
Michigan
$901K
GCM
124
Graham Capital Management
Connecticut
$889K
AIP
125
Ameritas Investment Partners
Nebraska
$879K