Purchases and Sales Made in Q3 2025 in Westlake Corp (WLK)
This table provides information about the institutional ownership of Westlake Corp (WLK) during Q3 2025. The information is specifically focused on institutions that hold shares of WESTLAKE CORP.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Oct 31, 2025
Q3 2025
|
Vanguard Personalized Indexing Management, LLC
Oakland, CA |
SELL
|
- |
-701- 6.98% |
$52.9K - $63.5K
|
9.34K
$585K
|
|
|
Nov 13, 2025
Q3 2025
|
Met Life Investment Management, LLC
Whippany, NJ |
SELL
|
- |
-816- 4.54% |
$61.6K - $73.9K
|
17.1K
$1.07M
|
|
|
Oct 09, 2025
Q3 2025
|
Voya Investment Management LLC
Atlanta, GA |
SELL
|
- |
-943- 25.38% |
$71.1K - $85.4K
|
2.77K
$173K
|
|
|
Nov 14, 2025
Q3 2025
|
Tower Research Capital LLC (Trc)
New York, NY |
SELL
|
- |
-960- 38.52% |
$72.4K - $87K
|
1.53K
$95.8K
|
|
|
Nov 10, 2025
Q3 2025
|
Robotti Robert
New York, NY |
SELL
|
- |
-989- 0.54% |
$74.6K - $89.6K
|
182K
$11.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Mercer Global Advisors Inc
Denver, CO |
SELL
|
- |
-1.03K- 19.53% |
$77.6K - $93.2K
|
4.24K
$265K
|
|
|
Nov 10, 2025
Q3 2025
|
Xponance, Inc.
|
SELL
|
- |
-1.06K- 22.02% |
$79.7K - $95.7K
|
3.74K
$234K
|
|
|
Oct 31, 2025
Q3 2025
|
Mutual Of America Capital Management LLC
New York, NY |
SELL
|
- |
-1.18K- 7.12% |
$89.1K - $107K
|
15.4K
$963K
|
|
|
Oct 14, 2025
Q3 2025
|
Farther Finance Advisors, LLC
San Francisco, CA |
SELL
|
- |
-1.42K- 73.82% |
$107K - $128K
|
503
$31.5K
|
|
|
Nov 14, 2025
Q3 2025
|
Lazard Asset Management LLC
New York, NY |
SELL
|
- |
-1.45K- 1.96% |
$109K - $131K
|
72.6K
$4.54M
|
|
|
Nov 04, 2025
Q3 2025
|
Principal Financial Group Inc
Des Moines, IA |
SELL
|
- |
-1.49K- 1.97% |
$113K - $135K
|
74.1K
$4.64M
|
|
|
Nov 10, 2025
Q3 2025
|
Kovitz Investment Group Partners, LLC
|
SELL
|
- |
-1.67K- 28.93% |
$126K - $151K
|
4.11K
$257K
|
|
|
Nov 06, 2025
Q3 2025
|
Rhumbline Advisers
Boston, MA |
SELL
|
- |
-1.77K- 1.95% |
$133K - $160K
|
88.9K
$5.56M
|
|
|
Nov 14, 2025
Q3 2025
|
Alliancebernstein L.P.
New York, NY |
SELL
|
- |
-1.85K- 2.7% |
$140K - $168K
|
66.8K
$4.18M
|
|
|
Nov 12, 2025
Q3 2025
|
Transce3nd, LLC
Kyle, TX |
SELL
|
- |
-2.43K- 97.16% |
$183K - $220K
|
71
$4.44K
|
|
|
Nov 12, 2025
Q3 2025
|
Ci Investments Inc.
Toronto, A6 |
SELL
|
- |
-3.51K- 45.63% |
$265K - $318K
|
4.18K
$262K
|
|
|
Oct 22, 2025
Q3 2025
|
Cerity Partners LLC
New York, NY |
SELL
|
- |
-3.71K- 4.28% |
$280K - $336K
|
83.1K
$5.2M
|
|
|
Nov 13, 2025
Q3 2025
|
Comerica Bank
|
SELL
|
- |
-6.07K- 17.68% |
$458K - $550K
|
28.3K
$1.77M
|
|
|
Nov 12, 2025
Q3 2025
|
Mario Gabelli
Gamco Investors, Inc. Et Al | Rye, Ny
|
SELL
|
- |
-7.43K- 64.2% |
$560K - $673K
|
4.14K
$259K
|
|
|
Nov 14, 2025
Q3 2025
|
Goldman Sachs Group Inc
New York, NY |
SELL
|
- |
-7.55K- 0.71% |
$569K - $684K
|
1.05M
$65.8M
|
|
|
Nov 13, 2025
Q3 2025
|
Sei Investments CO
Oaks, PA |
SELL
|
- |
-7.98K- 35.08% |
$602K - $723K
|
14.8K
$924K
|
|
|
Nov 12, 2025
Q3 2025
|
Lpl Financial LLC
Fort Mill, SC |
SELL
|
- |
-8.9K- 41.86% |
$672K - $807K
|
12.4K
$774K
|
|
|
Nov 14, 2025
Q3 2025
|
California Public Employees Retirement System
Sacramento, CA |
SELL
|
- |
-13.1K- 21.86% |
$987K - $1.19M
|
46.8K
$2.93M
|
|
|
Nov 13, 2025
Q3 2025
|
Twin Tree Management, LP
Dallas, TX |
SELL
|
- |
-13.3K- 45.38% |
$1M - $1.21M
|
16K
$1M
|
|
|
Nov 13, 2025
Q3 2025
|
Hite Hedge Asset Management LLC
Quincy, MA |
SELL
|
- |
-14.5K- 12.65% |
$1.09M - $1.31M
|
100K
$6.26M
|
|
|
Nov 14, 2025
Q3 2025
|
Verition Fund Management LLC
Greenwich, CT |
SELL
|
- |
-14.8K- 35.23% |
$1.11M - $1.34M
|
27.2K
$1.7M
|
|
|
Nov 14, 2025
Q3 2025
|
Ameriprise Financial Inc
Minneapolis, MN |
SELL
|
- |
-15.1K- 15.17% |
$1.14M - $1.37M
|
84.4K
$5.28M
|
|
|
Oct 27, 2025
Q3 2025
|
Manning & Napier Advisors LLC
Fairport, NY |
SELL
|
- |
-16.5K- 79.75% |
$1.24M - $1.49M
|
4.19K
$262K
|
|
|
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
|
Brevan Howard Capital Management LP
St. Helier, Y9 |
SELL
|
- |
-19.4K- 72.38% |
$1.46M - $1.76M
|
7.41K
$463K
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
SELL
|
- |
-21.4K- 62.21% |
$1.61M - $1.94M
|
13K
$812K
|
|
|
Nov 13, 2025
Q3 2025
|
Magnetar Financial LLC
Evanston, IL |
SELL
|
- |
-23.9K- 87.8% |
$1.81M - $2.17M
|
3.33K
$208K
|
|
|
Oct 23, 2025
Q3 2025
|
State Of Alaska, Department Of Revenue
|
SELL
|
- |
-24K- 86.82% |
$1.81M - $2.18M
|
3.65K
$228K
|
|
|
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 17, 2025
Q3 2025
|
Dark Forest Capital Management LP
Weston, CT |
SELL
|
- |
-35K- 37.84% |
$2.64M - $3.17M
|
57.5K
$3.6M
|
|
|
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 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
|
Canada Pension Plan Investment Board
Toronto Ontario, A6 |
SELL
|
- |
-44.1K- 89.44% |
$3.33M - $4M
|
5.21K
$326K
|
|
|
Oct 23, 2025
Q3 2025
|
Sg Americas Securities, LLC
|
SELL
|
- |
-47.6K- 87.27% |
$3.59M - $4.31M
|
6.94K
$434K
|
|
|
Oct 17, 2025
Q3 2025
|
Deprince Race & Zollo Inc
Winter Park, FL |
SELL
|
- |
-64.4K- 25.4% |
$4.85M - $5.83M
|
189K
$11.8M
|
|
|
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 07, 2025
Q3 2025
|
Vanguard Group Inc
Valley Forge, PA |
SELL
|
- |
-83.2K- 2.36% |
$6.27M - $7.54M
|
3.44M
$215M
|
|
|
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
|
|
|
Oct 10, 2025
Q3 2025
|
Wedge Capital Management L L P
|
SELL
|
- |
-93K- 70.26% |
$7.02M - $8.43M
|
39.4K
$2.46M
|
|
|
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
|
Alyeska Investment Group, L.P.
Chicago, IL |
SELL
|
- |
-118K- 49.61% |
$8.91M - $10.7M
|
120K
$7.51M
|
|
|
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 17, 2025
Q3 2025
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
SELL
|
- |
-125K- 12.64% |
$9.39M - $11.3M
|
861K
$53.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Voloridge Investment Management, LLC
Jupiter, FL |
SELL
|
- |
-126K- 24.21% |
$9.5M - $11.4M
|
394K
$24.7M
|
|
|
Nov 14, 2025
Q3 2025
|
Woodline Partners LP
San Francisco, CA |
SELL
|
- |
-134K- 40.79% |
$10.1M - $12.1M
|
194K
$12.1M
|
|