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Westlake Corp

303 hedge funds and large institutions have $3.2B invested in Westlake Corp in 2025 Q3 according to their latest regulatory filings, with 58 funds opening new positions, 102 increasing their positions, 105 reducing their positions, and 54 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:

0% more funds holding

Funds holding: 303303 (0)

3% less repeat investments, than reductions

Existing positions increased: 102 | Existing positions reduced: 105

67% less call options, than puts

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

Holders
303
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
NMIMC
151
Northwestern Mutual Investment Management Company
Wisconsin
$573K
BHCM
152
Brevan Howard Capital Management
Jersey
$571K
NMERB
153
New Mexico Educational Retirement Board
New Mexico
$539K
AAP
154
Arax Advisory Partners
Colorado
$538K
RIG
155
RiverFront Investment Group
Virginia
$537K
SG Americas Securities
156
SG Americas Securities
New York
$535K
PI
157
Pettee Investors
Connecticut
$517K
OPERF
158
Oregon Public Employees Retirement Fund
Oregon
$514K
DC
159
Diametric Capital
Massachusetts
$494K
Mitsubishi UFJ Asset Management
160
Mitsubishi UFJ Asset Management
Japan
$489K
Pacer Advisors
161
Pacer Advisors
Pennsylvania
$463K
ET
162
Entropy Technologies
New York
$448K
PFSRSONJ
163
Police & Firemen's Retirement System of New Jersey
New Jersey
$438K
PAS
164
Point72 Asia (Singapore)
Singapore
$422K
New York State Teachers Retirement System (NYSTRS)
165
New York State Teachers Retirement System (NYSTRS)
New York
$403K
Canada Pension Plan Investment Board
166
Canada Pension Plan Investment Board
Ontario, Canada
$401K
UA
167
Unison Advisors
District of Columbia
$399K
State of Tennessee, Department of Treasury
168
State of Tennessee, Department of Treasury
Tennessee
$386K
SP
169
Sequent Planning
Nebraska
$373K
Raymond James Financial
170
Raymond James Financial
Florida
$366K
Cetera Investment Advisers
171
Cetera Investment Advisers
Illinois
$361K
CIBC Asset Management
172
CIBC Asset Management
Ontario, Canada
$337K
Mercer Global Advisors
173
Mercer Global Advisors
Colorado
$327K
MNA
174
Manning & Napier Advisors
New York
$323K
CI Investments Inc
175
CI Investments Inc
Ontario, Canada
$322K