WESTLAKE CORPORATION (WLK): Institutional Ownership
Hedge funds and institutional managers reporting a position in WLK · Materials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
25
13F filers
Aggregate Value
$278.6M
Across holders
Last Price
$76.62
2026-06-26
Sector
Materials
GICS
Holder activity13 new5 added6 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Holocene Advisors, LP CIK 0001700574 | Hedge Fund | 730K | $85.3M | 30.6% | 0.2% | Reduced | $-57.3M | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 675K | $78.9M | 28.3% | 0.0% | Added | +$66.7M | Q1 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 370K | $43.2M | 15.5% | 0.1% | New | — | Q1 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 160K | $18.7M | 6.7% | 0.0% | New | — | Q1 2026 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 154K | $11.4M | 4.1% | 0.1% | New | — | Q4 2025 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 135K | $10.2M | 3.7% | 0.0% | New | — | Q2 2025 |
| Rokos Capital Management LLP CIK 0001666335 | Hedge Fund | 61K | $7.1M | 2.5% | 0.1% | New | — | Q1 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 60K | $7.0M | 2.5% | 0.0% | Added | +$6.2M | Q1 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 35K | $4.0M | 1.4% | 0.0% | Added | +$3.0M | Q1 2026 |
| Duquesne Family Office LLC CIK 0001536411 | Family Office | 21K | $2.5M | 0.9% | 0.1% | New | — | Q1 2026 |
| Hudson Bay Capital Management LP CIK 0001393825 | Hedge Fund | 30K | $2.3M | 0.8% | 0.0% | New | — | Q4 2025 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 26K | $2.0M | 0.7% | 0.0% | Reduced | $-9.1M | Q3 2025 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 10K | $1.2M | 0.4% | 0.0% | Added | +$487K | Q1 2026 |
| First Eagle Investment Management, LLC CIK 0001325447 | Institutional Manager | 7K | $825K | 0.3% | 0.0% | Added | +$819K | Q1 2026 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 9K | $700K | 0.3% | 0.0% | New | — | Q4 2025 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 8K | $651K | 0.2% | 0.0% | New | — | Q3 2025 |
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 4K | $621K | 0.2% | 0.0% | New | — | Q2 2024 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 6K | $599K | 0.2% | 0.0% | New | — | Q1 2025 |
| GAMCO INVESTORS, INC. ET AL CIK 0000807249 | Institutional Manager | 3K | $408K | 0.1% | 0.0% | Reduced | $-53K | Q1 2026 |
| CAXTON ASSOCIATES LLP CIK 0002051323 | Hedge Fund | 5K | $341K | 0.1% | 0.0% | New | — | Q4 2025 |
Reduced
Hedge Fund
$85.3M· 30.6% of total· 0.2% port· 730K sh· $-57.3M QoQ· Q1 2026
Added
Hedge Fund
$78.9M· 28.3% of total· 0.0% port· 675K sh· +$66.7M QoQ· Q1 2026
New
Hedge Fund
$43.2M· 15.5% of total· 0.1% port· 370K sh· — QoQ· Q1 2026
New
Hedge Fund
$18.7M· 6.7% of total· 0.0% port· 160K sh· — QoQ· Q1 2026
New
Hedge Fund
$11.4M· 4.1% of total· 0.1% port· 154K sh· — QoQ· Q4 2025
New
Hedge Fund
$10.2M· 3.7% of total· 0.0% port· 135K sh· — QoQ· Q2 2025
New
Hedge Fund
$7.1M· 2.5% of total· 0.1% port· 61K sh· — QoQ· Q1 2026
Added
Hedge Fund
$7.0M· 2.5% of total· 0.0% port· 60K sh· +$6.2M QoQ· Q1 2026
Added
Hedge Fund
$4.0M· 1.4% of total· 0.0% port· 35K sh· +$3.0M QoQ· Q1 2026
New
Family Office
$2.5M· 0.9% of total· 0.1% port· 21K sh· — QoQ· Q1 2026
New
Hedge Fund
$2.3M· 0.8% of total· 0.0% port· 30K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$2.0M· 0.7% of total· 0.0% port· 26K sh· $-9.1M QoQ· Q3 2025
Added
Hedge Fund
$1.2M· 0.4% of total· 0.0% port· 10K sh· +$487K QoQ· Q1 2026
Added
Institutional Manager
$825K· 0.3% of total· 0.0% port· 7K sh· +$819K QoQ· Q1 2026
New
Hedge Fund
$700K· 0.3% of total· 0.0% port· 9K sh· — QoQ· Q4 2025
New
Hedge Fund
$651K· 0.2% of total· 0.0% port· 8K sh· — QoQ· Q3 2025
New
Hedge Fund
$621K· 0.2% of total· 0.0% port· 4K sh· — QoQ· Q2 2024
New
Hedge Fund
$599K· 0.2% of total· 0.0% port· 6K sh· — QoQ· Q1 2025
Reduced
Institutional Manager
$408K· 0.1% of total· 0.0% port· 3K sh· $-53K QoQ· Q1 2026
New
Hedge Fund
$341K· 0.1% of total· 0.0% port· 5K sh· — QoQ· Q4 2025
New
Hedge Fund
$244K· 0.1% of total· 0.0% port· 3K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$234K· 0.1% of total· 0.0% port· 2K sh· $-2.8M QoQ· Q1 2026
Reduced
Hedge Fund
$214K· 0.1% of total· 0.0% port· 3K sh· $-7.4M QoQ· Q4 2025
Unchanged
Hedge Fund
$11K· 0.0% of total· 0.0% port· 97 sh· +$0 QoQ· Q1 2026
Reduced
Hedge Fund
$2K· 0.0% of total· 0.0% port· 14 sh· $-2.3M QoQ· Q1 2026
1–20 of 25
1 / 2