Latest Institutional Sells of Westlake Corp (WLK)
This list provides information on the latest institutional transactions involving Westlake Corp (WLK) stock that were sells. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the sale has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Jan 15, 2026
Q4 2025
|
Allspring Global Investments Holdings, LLC
|
SELL
|
- |
-39.4K- 7.21% |
$2.46M - $3.24M
|
507K
$31.7M
|
|
|
Jan 26, 2026
Q4 2025
|
Kbc Group Nv
|
SELL
|
- |
-5.33K- 19.36% |
$334K - $439K
|
22.2K
$1.39M
|
|
|
Jan 30, 2026
Q4 2025
|
Us Bancorp \De\
|
SELL
|
- |
-423- 17.39% |
$26.5K - $34.8K
|
2.01K
$126K
|
|
|
Jan 23, 2026
Q4 2025
|
State Of Alaska, Department Of Revenue
|
SELL
|
- |
-340- 9.32% |
$21.3K - $28K
|
3.31K
$207K
|
|
|
Jan 26, 2026
Q4 2025
|
Cwm, LLC
|
SELL
|
- |
-337- 49.34% |
$21.1K - $27.8K
|
346
$21.6K
|
|
|
Jan 20, 2026
Q4 2025
|
Signaturefd, LLC
Atlanta, GA |
SELL
|
- |
-312- 68.72% |
$19.5K - $25.7K
|
142
$8.88K
|
|
|
Jan 28, 2026
Q4 2025
|
Universal Beteiligungs Und Servicegesellschaft Mb H
Frankfurt Am Main, 2M |
SELL
|
- |
-291- 3.07% |
$18.2K - $24K
|
9.18K
$574K
|
|
|
Jan 15, 2026
Q4 2025
|
Retirement Systems Of Alabama
|
SELL
|
- |
-288- 0.71% |
$18K - $23.7K
|
40K
$2.5M
|
|
|
Jan 15, 2026
Q4 2025
|
Nisa Investment Advisors, LLC
|
SELL
|
- |
-282- 84.94% |
$17.6K - $23.2K
|
50
$3.13K
|
|
|
Jan 23, 2026
Q4 2025
|
Farther Finance Advisors, LLC
San Francisco, CA |
SELL
|
- |
-203- 40.36% |
$12.7K - $16.7K
|
300
$18.8K
|
|
|
Jan 21, 2026
Q4 2025
|
Yousif Capital Management, LLC
|
SELL
|
- |
-162- 1.44% |
$10.1K - $13.3K
|
11.1K
$692K
|
|
|
Jan 23, 2026
Q4 2025
|
Private Wealth Management Group, LLC
Princeton, NJ |
SELL
|
- |
-127- 77.91% |
$7.95K - $10.5K
|
36
$2.25K
|
|
|
Jan 29, 2026
Q4 2025
|
Sanctuary Advisors, LLC
Indianapolis, IN |
SELL
|
- |
-108- 3.04% |
$6.76K - $8.9K
|
3.44K
$215K
|
|
|
Jan 08, 2026
Q4 2025
|
Versant Capital Management, Inc
|
SELL
|
- |
-104- 85.25% |
$6.51K - $8.57K
|
18
$1.13K
|
|
|
Jan 16, 2026
Q4 2025
|
Louisiana State Employees Retirement System
|
SELL
|
- |
-100- 1.08% |
$6.26K - $8.24K
|
9.2K
$576K
|
|
|
Jan 23, 2026
Q4 2025
|
Assetmark, Inc
|
SELL
|
- |
-55- 58.51% |
$3.44K - $4.53K
|
39
$2.44K
|
|
|
Jan 27, 2026
Q4 2025
|
First Horizon Corp
Memphis, TN |
SELL
|
- |
-24- 50.0% |
$1.5K - $1.98K
|
24
$1.5K
|
|
|
Jan 27, 2026
Q4 2025
|
Td Waterhouse Canada Inc.
Toronto, A6 |
SELL
|
- |
-10- 20.0% |
$626 - $824
|
40
$2.5K
|
|
|
Jan 15, 2026
Q4 2025
|
Fortitude Family Office, LLC
Scottsdale, AZ |
SELL
|
- |
-4- 28.57% |
$250 - $329
|
10
$626
|
|
|
Jan 23, 2026
Q4 2025
|
Avion Wealth
The Woodlands, TX |
SELL
|
- |
-3- 17.65% |
$188 - $247
|
14
$876
|
|
|
Jan 15, 2026
Q4 2025
|
Di Nuzzo Private Wealth, Inc.
Beaver, PA |
SELL
|
- |
-2- 50.0% |
$125 - $165
|
2
$125
|
|
| Q3 2025 | |||||||
|
Nov 12, 2025
Q3 2025
|
Victory Capital Management Inc
|
SELL
|
- |
-855K- 22.98% |
$64.5M - $77.5M
|
2.87M
$179M
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
SELL
|
- |
-684K- 86.54% |
$51.6M - $61.9M
|
106K
$6.65M
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
SELL
|
PUT |
-630K- 99.32% |
$47.5M - $57.1M
|
4.3K
$269K
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
SELL
|
- |
-322K- 97.33% |
$24.3M - $29.2M
|
8.84K
$553K
|
|
|
Nov 10, 2025
Q3 2025
|
Antipodes Partners LTD
Royal Exchange, C3 |
SELL
|
- |
-267K- 32.47% |
$20.2M - $24.2M
|
556K
$34.8M
|
|
|
Nov 12, 2025
Q3 2025
|
Nuveen, LLC
Charlotte, NC |
SELL
|
- |
-200K- 22.52% |
$15.1M - $18.1M
|
687K
$42.9M
|
|
|
Nov 13, 2025
Q3 2025
|
Bank Of Montreal
Toronto, A6 |
SELL
|
- |
-186K- 80.45% |
$14M - $16.8M
|
45.2K
$2.83M
|
|
|
Nov 14, 2025
Q3 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
SELL
|
- |
-183K- 53.34% |
$13.8M - $16.6M
|
160K
$10M
|
|
|
Nov 14, 2025
Q3 2025
|
Ilex Capital Partners (Uk) LLP
London, X0 |
SELL
|
- |
-163K- 59.54% |
$12.3M - $14.8M
|
111K
$6.92M
|
|
|
Nov 14, 2025
Q3 2025
|
Woodline Partners LP
San Francisco, CA |
SELL
|
- |
-134K- 40.79% |
$10.1M - $12.1M
|
194K
$12.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Voloridge Investment Management, LLC
Jupiter, FL |
SELL
|
- |
-126K- 24.21% |
$9.5M - $11.4M
|
394K
$24.7M
|
|
|
Nov 17, 2025
Q3 2025
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
SELL
|
- |
-125K- 12.64% |
$9.39M - $11.3M
|
861K
$53.8M
|
|
|
Nov 13, 2025
Q3 2025
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
SELL
|
- |
-118K- 82.04% |
$8.92M - $10.7M
|
25.9K
$1.62M
|
|
|
Nov 14, 2025
Q3 2025
|
Alyeska Investment Group, L.P.
Chicago, IL |
SELL
|
- |
-118K- 49.61% |
$8.91M - $10.7M
|
120K
$7.51M
|
|
|
Nov 14, 2025
Q3 2025
|
State Street Corp
Boston, MA |
SELL
|
- |
-97K- 6.97% |
$7.32M - $8.79M
|
1.3M
$81M
|
|
|
Nov 14, 2025
Q3 2025
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
SELL
|
- |
-84.8K- 53.5% |
$6.4M - $7.68M
|
73.7K
$4.61M
|
|
|
Nov 14, 2025
Q3 2025
|
Aqr Capital Management LLC
Greenwich, CT |
SELL
|
- |
-80.8K- 60.61% |
$6.1M - $7.32M
|
52.5K
$3.29M
|
|
|
Nov 13, 2025
Q3 2025
|
Canada Pension Plan Investment Board
Toronto Ontario, A6 |
SELL
|
- |
-44.1K- 89.44% |
$3.33M - $4M
|
5.21K
$326K
|
|
|
Nov 14, 2025
Q3 2025
|
Amundi
Paris, I0 |
SELL
|
- |
-42.9K- 61.57% |
$3.24M - $3.89M
|
26.8K
$1.67M
|
|
|
Nov 13, 2025
Q3 2025
|
Legal & General Group PLC
London, X0 |
SELL
|
- |
-38.4K- 51.21% |
$2.9M - $3.48M
|
36.6K
$2.29M
|
|
|
Nov 17, 2025
Q3 2025
|
Dark Forest Capital Management LP
Weston, CT |
SELL
|
- |
-35K- 37.84% |
$2.64M - $3.17M
|
57.5K
$3.6M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
PUT |
-26.9K- 60.45% |
$2.03M - $2.44M
|
17.6K
$1.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Thomist Capital Management, LP
Houston, TX |
SELL
|
- |
-25.4K- 35.47% |
$1.92M - $2.3M
|
46.2K
$2.89M
|
|
|
Nov 13, 2025
Q3 2025
|
Magnetar Financial LLC
Evanston, IL |
SELL
|
- |
-23.9K- 87.8% |
$1.81M - $2.17M
|
3.33K
$208K
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
SELL
|
- |
-21.4K- 62.21% |
$1.61M - $1.94M
|
13K
$812K
|
|
|
Nov 14, 2025
Q3 2025
|
Brevan Howard Capital Management LP
St. Helier, Y9 |
SELL
|
- |
-19.4K- 72.38% |
$1.46M - $1.76M
|
7.41K
$463K
|
|
|
Nov 14, 2025
Q3 2025
|
Two Sigma Investments, LP
New York, NY |
SELL
|
- |
-19.2K- 15.68% |
$1.44M - $1.73M
|
103K
$6.44M
|
|
|
Nov 14, 2025
Q3 2025
|
Walleye Capital LLC
Plymouth, MN |
SELL
|
PUT |
-16.8K- 37.58% |
$1.27M - $1.52M
|
27.9K
$1.75M
|
|
|
Oct 27, 2025
Q3 2025
|
Manning & Napier Advisors LLC
Fairport, NY |
SELL
|
- |
-16.5K- 79.75% |
$1.24M - $1.49M
|
4.19K
$262K
|
|