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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
US Bancorp
201
US Bancorp
Minnesota
$187K
SAM
202
Securian Asset Management
Minnesota
$185K
CBT
203
CoreFirst Bank & Trust
Kansas
$173K
FDCDDQ
204
Federation des caisses Desjardins du Quebec
Quebec, Canada
$169K
California State Teachers Retirement System (CalSTRS)
205
California State Teachers Retirement System (CalSTRS)
California
$161K
SCM
206
Sterling Capital Management
North Carolina
$159K
C
207
Covestor
United Kingdom
$137K
Public Employees Retirement Association of Colorado
208
Public Employees Retirement Association of Colorado
Colorado
$131K
PNC Financial Services Group
209
PNC Financial Services Group
Pennsylvania
$119K
TRCT
210
Tower Research Capital (TRC)
New York
$118K
KB
211
Kimelman & Baird
New York
$116K
AF
212
Allworth Financial
California
$111K
MCM
213
MAI Capital Management
Ohio
$101K
GFWA
214
Grey Fox Wealth Advisors
Delaware
$88.9K
Nomura Asset Management
215
Nomura Asset Management
Japan
$69K
SO
216
STRS Ohio
Ohio
$61.6K
PA
217
Parallel Advisors
California
$60K
NA
218
NewEdge Advisors
Louisiana
$57.4K
HFS
219
Hantz Financial Services
Michigan
$57K
Carson Wealth (CWM LLC)
220
Carson Wealth (CWM LLC)
Nebraska
$53K
CIBC Private Wealth Group
221
CIBC Private Wealth Group
Georgia
$52.9K
A
222
AlphaQuest
New York
$49.6K
TFA
223
Transamerica Financial Advisors
Florida
$45.1K
UB
224
UMB Bank
Missouri
$44.5K
FFA
225
Farther Finance Advisors
California
$38.8K