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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
NMIMC
151
Northwestern Mutual Investment Management Company
Wisconsin
$565K
MF
152
Magnetar Financial
Illinois
$546K
NRD
153
Nebula Research & Development
New York
$544K
NMERB
154
New Mexico Educational Retirement Board
New Mexico
$532K
RIG
155
RiverFront Investment Group
Virginia
$529K
First Eagle Investment Management
156
First Eagle Investment Management
New York
$523K
OPERF
157
Oregon Public Employees Retirement Fund
Oregon
$521K
Mitsubishi UFJ Asset Management
158
Mitsubishi UFJ Asset Management
Japan
$512K
PI
159
Pettee Investors
Connecticut
$510K
LCM
160
Landscape Capital Management
New Jersey
$505K
Kovitz Investment Group Partners
161
Kovitz Investment Group Partners
Illinois
$439K
TWPM
162
Total Wealth Planning & Management
Florida
$424K
NICM
163
Neo Ivy Capital Management
New York
$404K
Raymond James Financial
164
Raymond James Financial
Florida
$402K
Mercer Global Advisors
165
Mercer Global Advisors
Colorado
$400K
New York State Teachers Retirement System (NYSTRS)
166
New York State Teachers Retirement System (NYSTRS)
New York
$397K
KIM
167
Kestra Investment Management
Texas
$395K
UA
168
Unison Advisors
District of Columbia
$391K
PFSRSONJ
169
Police & Firemen's Retirement System of New Jersey
New Jersey
$381K
State of Tennessee, Department of Treasury
170
State of Tennessee, Department of Treasury
Tennessee
$381K
SP
171
Sequent Planning
Nebraska
$373K
QC
172
Quantessence Capital
New York
$373K
X
173
Xponance
Pennsylvania
$364K
STA
174
Summit Trail Advisors
New York
$342K
CIBC Asset Management
175
CIBC Asset Management
Ontario, Canada
$332K