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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
AAP
151
Arax Advisory Partners
Colorado
$538K
RIG
152
RiverFront Investment Group
Virginia
$537K
SG Americas Securities
153
SG Americas Securities
New York
$535K
PI
154
Pettee Investors
Connecticut
$517K
OPERF
155
Oregon Public Employees Retirement Fund
Oregon
$514K
DC
156
Diametric Capital
Massachusetts
$494K
Mitsubishi UFJ Asset Management
157
Mitsubishi UFJ Asset Management
Japan
$489K
Pacer Advisors
158
Pacer Advisors
Pennsylvania
$463K
ET
159
Entropy Technologies
New York
$448K
PFSRSONJ
160
Police & Firemen's Retirement System of New Jersey
New Jersey
$438K
PAS
161
Point72 Asia (Singapore)
Singapore
$422K
New York State Teachers Retirement System (NYSTRS)
162
New York State Teachers Retirement System (NYSTRS)
New York
$403K
Canada Pension Plan Investment Board
163
Canada Pension Plan Investment Board
Ontario, Canada
$401K
UA
164
Unison Advisors
District of Columbia
$399K
State of Tennessee, Department of Treasury
165
State of Tennessee, Department of Treasury
Tennessee
$386K
SP
166
Sequent Planning
Nebraska
$373K
Raymond James Financial
167
Raymond James Financial
Florida
$366K
Cetera Investment Advisers
168
Cetera Investment Advisers
Illinois
$361K
CIBC Asset Management
169
CIBC Asset Management
Ontario, Canada
$337K
Mercer Global Advisors
170
Mercer Global Advisors
Colorado
$327K
MNA
171
Manning & Napier Advisors
New York
$323K
CI Investments Inc
172
CI Investments Inc
Ontario, Canada
$322K
GI
173
GAMCO Investors
Connecticut
$319K
Kovitz Investment Group Partners
174
Kovitz Investment Group Partners
Illinois
$316K
Daiwa Securities Group
175
Daiwa Securities Group
Japan
$308K