Institutional Ownership Westlake Corp (WLK)
This table provides information about the institutional ownership of Westlake Corp (WLK). We have compiled data on the 359 institutions that hold shares in the stock, with a total of 38.9 Million shares, which have been reported (via 13F filing form) to have a value of $3.38 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|
Great West Life Assurance CO
Winnipeg, A2 |
Aug 14, 2025 Q2 2025 |
15,207
shares
|
$1.32 Million
0.0% of portfolio
|
Q2 2025
Reduced 41.64%
|
|
|
Occudo Quantitative Strategies LP
Fort Lauderdale, FL |
Aug 14, 2025 Q2 2025 |
15,125
shares
|
$1.32 Million
0.14% of portfolio
|
Q2 2025
Added 300.45%
|
|
|
Ambassador Advisors, LLC
Lancaster, PA |
Aug 14, 2025 Q2 2025 |
14,265
shares
|
$1.24 Million
0.18% of portfolio
|
Q2 2025
Added 7.79%
|
|
|
Polymer Capital Management (Us) LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
14,060
shares
|
$1.22 Million
0.13% of portfolio
|
Q2 2025
Added 232.0%
|
|
|
Stifel Financial Corp
St. Louis, MO |
Aug 14, 2025 Q2 2025 |
12,357
shares
|
$1.07 Million
0.0% of portfolio
|
Q2 2025
Added 72.15%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Aug 14, 2025 Q2 2025 |
12,306
shares
|
$1.07 Million
0.0% of portfolio
|
Q2 2025
Reduced 98.56%
|
|
|
Joel Greenblatt
Gotham Asset Management, LLC | New York, Ny
|
Aug 14, 2025 Q2 2025 |
12,076
shares
|
$1.05 Million
0.01% of portfolio
|
Q2 2025
Added 122.35%
|
|
|
Yousif Capital Management, LLC
|
Jul 25, 2025 Q2 2025 |
11,868
shares
|
$1.03 Million
0.01% of portfolio
|
Q2 2025
Reduced 2.29%
|
|
|
Pictet Asset Management Sa
Geneva 73, V8 |
Aug 10, 2023 Q2 2023 |
11,762
shares
|
$1.02 Million
0.0% of portfolio
|
Q2 2023
Added 0.04%
|
|
|
Graham Capital Management, L.P.
Rowayton, CT |
Aug 14, 2025 Q2 2025 |
11,704
shares
|
$1.02 Million
0.02% of portfolio
|
Q2 2025
Reduced 68.16%
|
|
|
Ameritas Investment Partners, Inc.
Lincoln, NE |
Aug 12, 2025 Q2 2025 |
11,574
shares
|
$1.01 Million
0.03% of portfolio
|
Q2 2025
Reduced 0.94%
|
|
|
Mario Gabelli
Gamco Investors, Inc. Et Al | Rye, Ny
|
Aug 13, 2025 Q2 2025 |
11,566
shares
|
$1.01 Million
0.01% of portfolio
|
Q2 2025
New holding
|
|
|
Keeley Teton Advisors, LLC
Chicago, IL |
May 14, 2025 Q1 2025 |
11,566
shares
|
$1.01 Million
0.15% of portfolio
|
Q1 2025
Reduced 14.9%
|
|
|
Quadrature Capital LTD
London, X0 |
Aug 13, 2025 Q2 2025 |
11,392
shares
|
$990,648
0.01% of portfolio
|
Q2 2025
Added 395.74%
|
|
|
Omers Administration Corp
Toronto, A6 |
Aug 13, 2025 Q2 2025 |
11,380
shares
|
$989,604
0.01% of portfolio
|
Q2 2025
New holding
|
|
|
Creative Planning
Overland Park, KS |
Aug 08, 2025 Q2 2025 |
11,165
shares
|
$970,908
0.0% of portfolio
|
Q2 2025
Added 39.25%
|
|
|
Schonfeld Strategic Advisors LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
10,889
shares
|
$946,907
0.01% of portfolio
|
Q2 2025
Reduced 43.39%
|
|
|
Aigen Investment Management, LP
|
May 12, 2025 Q1 2025 |
10,572
shares
|
$919,341
0.18% of portfolio
|
Q1 2025
Added 101.33%
|
|
|
Public Employees Retirement System Of Ohio
Columbus, OH |
Jul 15, 2025 Q2 2025 |
10,373
shares
|
$902,036
0.0% of portfolio
|
Q2 2025
Added 0.47%
|
|
|
Abrdn PLC
|
Jul 24, 2025 Q2 2025 |
10,098
shares
|
$878,122
0.0% of portfolio
|
Q2 2025
Added 0.97%
|
|
|
Vanguard Personalized Indexing Management, LLC
Oakland, CA |
Jul 25, 2025 Q2 2025 |
10,045
shares
|
$873,513
0.01% of portfolio
|
Q2 2025
Added 21.54%
|
|
|
Sumitomo Mitsui Trust Holdings, Inc.
|
Jul 31, 2025 Q2 2025 |
9,817
shares
|
$853,686
0.0% of portfolio
|
Q2 2025
Reduced 87.59%
|
|
|
Louisiana State Employees Retirement System
|
Jul 23, 2025 Q2 2025 |
9,400
shares
|
$817,423
0.01% of portfolio
|
Q1 2025
Added 1.08%
|
|
|
Xtx Topco LTD
London, X0 |
Aug 12, 2025 Q2 2025 |
9,377
shares
|
$815,423
0.03% of portfolio
|
Q2 2025
Reduced 37.47%
|
|
|
Bowling Portfolio Management LLC
|
Oct 04, 2022 Q3 2022 |
9,030
shares
|
$785,248
0.22% of portfolio
|
Q3 2022
Reduced 4.18%
|