Latest Institutional Purchases of Westlake Corp (WLK)
This list provides information on the latest institutional transactions involving Westlake Corp (WLK) stock that were buys. 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 purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 14, 2025
Q3 2025
|
Orbis Allan Gray LTD
Hamilton, D0 |
BUY
|
- |
3.91MNew |
$295M - $355M
|
3.91M
$245M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
- |
1.19M+ 9658.26% |
$89.7M - $108M
|
1.2M
$75.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Holocene Advisors, LP
New York, NY |
BUY
|
- |
696K+ 440.09% |
$52.5M - $63.1M
|
854K
$53.4M
|
|
|
Nov 12, 2025
Q3 2025
|
Barclays PLC
London, X0 |
BUY
|
PUT |
471KNew |
$35.5M - $42.6M
|
471K
$29.4M
|
|
|
Nov 12, 2025
Q3 2025
|
Thompson Siegel & Walmsley LLC
|
BUY
|
- |
441KNew |
$33.3M - $40M
|
441K
$27.6M
|
|
|
Nov 14, 2025
Q3 2025
|
Balyasny Asset Management LLC
Chicago, IL |
BUY
|
- |
396K+ 495.82% |
$29.9M - $35.9M
|
476K
$29.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Caisse De Depot Et Placement Du Quebec
Montreal, A8 |
BUY
|
- |
368KNew |
$27.8M - $33.4M
|
368K
$23M
|
|
|
Nov 14, 2025
Q3 2025
|
Morgan Stanley
New York, NY |
BUY
|
- |
353K+ 76.36% |
$26.6M - $32M
|
816K
$51M
|
|
|
Nov 14, 2025
Q3 2025
|
Merewether Investment Management, LP
Dallas, TX |
BUY
|
- |
268KNew |
$20.2M - $24.3M
|
268K
$16.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Ubs Asset Management Americas Inc
Chicago, IL |
BUY
|
- |
265K+ 40.72% |
$20M - $24M
|
917K
$57.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Janus Henderson Group PLC
London, X0 |
BUY
|
- |
152K+ 70.8% |
$11.4M - $13.7M
|
366K
$22.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Price T Rowe Associates Inc
Baltimore, MD |
BUY
|
- |
150K+ 7.26% |
$11.3M - $13.5M
|
2.21M
$138M
|
|
|
Nov 14, 2025
Q3 2025
|
Nomura Holdings Inc
Tokyo, M0 |
BUY
|
PUT |
140KNew |
$10.6M - $12.7M
|
140K
$8.76M
|
|
|
Nov 13, 2025
Q3 2025
|
Ubs Group Ag
|
BUY
|
- |
117K+ 26.39% |
$8.83M - $10.6M
|
560K
$35.1M
|
|
|
Nov 12, 2025
Q3 2025
|
Impala Asset Management LLC
New Canaan, CT |
BUY
|
- |
115KNew |
$8.67M - $10.4M
|
115K
$7.19M
|
|
|
Nov 14, 2025
Q3 2025
|
Lloyd Harbor Capital Management, LLC
Cold Spring Harbor, NY |
BUY
|
- |
110KNew |
$8.3M - $9.97M
|
110K
$6.88M
|
|
|
Nov 14, 2025
Q3 2025
|
Brandes Investment Partners, LP
La Jolla, CA |
BUY
|
- |
91.8K+ 6.3% |
$6.93M - $8.32M
|
1.55M
$96.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Zimmer Partners, LP
New York, NY |
BUY
|
- |
90KNew |
$6.79M - $8.15M
|
90K
$5.63M
|
|
|
Nov 12, 2025
Q3 2025
|
Erste Asset Management Gmb H
Vienna, C4 |
BUY
|
- |
88.5K+ 51.6% |
$6.68M - $8.02M
|
260K
$16.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
BUY
|
- |
84.9KNew |
$6.4M - $7.69M
|
84.9K
$5.31M
|
|
|
Nov 12, 2025
Q3 2025
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
78.9K+ 13.73% |
$5.95M - $7.14M
|
653K
$40.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Aventail Capital Group, LP
New York, NY |
BUY
|
- |
78.3KNew |
$5.91M - $7.1M
|
78.3K
$4.9M
|
|
|
Nov 13, 2025
Q3 2025
|
Jump Financial, LLC
Chicago, IL |
BUY
|
- |
77.9KNew |
$5.88M - $7.06M
|
77.9K
$4.87M
|
|
|
Nov 14, 2025
Q3 2025
|
Bank Of America Corp
Charlotte, NC |
BUY
|
- |
70.2K+ 50.66% |
$5.3M - $6.36M
|
209K
$13.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Nomura Holdings Inc
Tokyo, M0 |
BUY
|
- |
69.2KNew |
$5.22M - $6.27M
|
69.2K
$4.33M
|
|
|
Nov 05, 2025
Q3 2025
|
Pro Share Advisors LLC
|
BUY
|
- |
67.5K+ 19.0% |
$5.09M - $6.11M
|
423K
$26.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
BUY
|
- |
62.6KNew |
$4.72M - $5.67M
|
62.6K
$3.92M
|
|
|
Nov 12, 2025
Q3 2025
|
Teachers Retirement System Of The State Of Kentucky
Frankfort, KY |
BUY
|
- |
60.3K+ 57.42% |
$4.55M - $5.46M
|
165K
$10.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Walnut Level Capital LLC
Denver, CO |
BUY
|
- |
57.7KNew |
$4.35M - $5.23M
|
57.7K
$3.61M
|
|
|
Nov 14, 2025
Q3 2025
|
Wellington Management Group LLP
Boston, MA |
BUY
|
- |
57.5KNew |
$4.34M - $5.21M
|
57.5K
$3.6M
|
|
|
Nov 12, 2025
Q3 2025
|
Quantbot Technologies LP
New York, NY |
BUY
|
- |
56.8KNew |
$4.28M - $5.14M
|
56.8K
$3.55M
|
|
|
Nov 13, 2025
Q3 2025
|
Russell Investments Group, Ltd.
|
BUY
|
- |
55.5K+ 42.94% |
$4.18M - $5.03M
|
185K
$11.6M
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
PUT |
52.1K+ 1408.11% |
$3.93M - $4.72M
|
55.8K
$3.49M
|
|
|
Nov 13, 2025
Q3 2025
|
Marshall Wace, LLP
London, X0 |
BUY
|
- |
48.4K+ 596.1% |
$3.65M - $4.38M
|
56.5K
$3.53M
|
|
|
Nov 14, 2025
Q3 2025
|
Hrt Financial LP
New York, NY |
BUY
|
- |
47.6KNew |
$3.59M - $4.31M
|
47.6K
$2.98M
|
|
|
Nov 10, 2025
Q3 2025
|
Citigroup Inc
|
BUY
|
- |
44.5K+ 61.31% |
$3.36M - $4.03M
|
117K
$7.33M
|
|
|
Nov 12, 2025
Q3 2025
|
First Trust Advisors LP
Wheaton, IL |
BUY
|
- |
37K+ 28.93% |
$2.79M - $3.35M
|
165K
$10.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Walleye Capital LLC
Plymouth, MN |
BUY
|
- |
36.1K+ 32.19% |
$2.72M - $3.27M
|
148K
$9.28M
|
|
|
Nov 14, 2025
Q3 2025
|
Schonfeld Strategic Advisors LLC
New York, NY |
BUY
|
- |
35.1K+ 322.35% |
$2.65M - $3.18M
|
46K
$2.88M
|
|
|
Nov 14, 2025
Q3 2025
|
Quantinno Capital Management LP
New York, NY |
BUY
|
- |
35K+ 115.79% |
$2.64M - $3.17M
|
65.2K
$4.08M
|
|
|
Nov 14, 2025
Q3 2025
|
Cubist Systematic Strategies, LLC
Stamford, CT |
BUY
|
- |
31.4KNew |
$2.37M - $2.84M
|
31.4K
$1.96M
|
|
|
Nov 12, 2025
Q3 2025
|
Barclays PLC
London, X0 |
BUY
|
- |
30.6K+ 43.11% |
$2.31M - $2.77M
|
102K
$6.36M
|
|
|
Nov 14, 2025
Q3 2025
|
Aquatic Capital Management LLC
Chicago, IL |
BUY
|
- |
29.1KNew |
$2.2M - $2.64M
|
29.1K
$1.82M
|
|
|
Nov 07, 2025
Q3 2025
|
Jpmorgan Chase & CO
New York, NY |
BUY
|
- |
28.8K+ 22.29% |
$2.17M - $2.61M
|
158K
$9.87M
|
|
|
Oct 20, 2025
Q3 2025
|
Allspring Global Investments Holdings, LLC
|
BUY
|
- |
25.4K+ 4.88% |
$1.92M - $2.3M
|
546K
$34.2M
|
|
|
Nov 13, 2025
Q3 2025
|
Mackenzie Financial Corp
Toronto Ontario, A6 |
BUY
|
- |
25.3KNew |
$1.91M - $2.29M
|
25.3K
$1.58M
|
|
|
Nov 12, 2025
Q3 2025
|
Dimensional Fund Advisors LP
Austin, TX |
BUY
|
- |
25.1K+ 1.97% |
$1.89M - $2.27M
|
1.3M
$81.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Point72 Hong Kong LTD
Hong Kong, K3 |
BUY
|
- |
24.9KNew |
$1.88M - $2.25M
|
24.9K
$1.56M
|
|
|
Nov 14, 2025
Q3 2025
|
Ci Private Wealth, LLC
Miami, FL |
BUY
|
- |
24.1K+ 268.39% |
$1.81M - $2.18M
|
33K
$2.07M
|
|
|
Nov 14, 2025
Q3 2025
|
Pdt Partners, LLC
New York, NY |
BUY
|
- |
19.5KNew |
$1.47M - $1.77M
|
19.5K
$1.22M
|
|