WestlakeWLK
13F holders, Q2 2026 (June 30)360holders +21
80new positions
63sold out
8famous investors
$73.11avg. 13F price*
At the end of Q2 2026, 360 institutions reported holding Westlake Corp. (WLK) in their 13F filings, up 21 from Q1 2026. 80 opened new positions and 63 sold out. The largest holders were BlackRock, Inc. ($240.5M), Capital World Investors ($207.5M) and T. Rowe Price Associates Inc. ($161.1M). 8 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio).
- Company
- Westlake Corp.
- CUSIP
- 960413102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 80 | $182.2M |
| Exits | 63 | $202.6M |
All 13F filers, Q1 2026 → Q2 2026: 7,484,581 shares bought and 12,061,415 shares sold, net −4,576,834 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 360 holders
| BlackRock, Inc. | 0.00% | Add +7.0% | 3,294,162 | $240.5M |
| Capital World Investors | 0.02% | Reduce -32.5% | 2,842,348 | $207.5M |
| T. Rowe Price Associates Inc. | 0.02% | Reduce -8.3% | 2,206,676 | $161.1M |
| Orbis Allan Gray Ltd | 0.52% | Reduce -60.6% | 2,084,364 | $152.2M |
| Dimensional Fund Advisors LP | 0.03% | Add +39.9% | 2,051,554 | $149.8M |
| Vanguard Portfolio Management LLC | 0.01% | Reduce -1.0% | 1,752,627 | $127.9M |
| Brandes Investment Partners, LP | 0.81% | Reduce -14.6% | 1,572,939 | $114.8M |
| AQR Capital Management | 0.04% | Add +503.9% | 1,570,453 | $114.6M |
| Vanguard Capital Management LLC | 0.00% | Add +0.6% | 1,464,223 | $106.9M |
| State Street Corp. | 0.00% | Add +5.3% | 1,453,407 | $106.1M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -8.1% | 1,280,873 | $93.5M |
| Citadel Advisors | 0.04% | Add +47.4% | 1,054,868 | $77.0M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.09% | Add +8.4% | 1,023,403 | $74.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Reduce -16.7% | 817,207 | $59.7M |
| Geode Capital Management, LLC | 0.00% | Add +17.0% | 718,597 | $52.5M |
| Jacobs Levy Equity Management, Inc. | 0.19% | Add +103.2% | 709,355 | $51.8M |
| Balyasny Asset Management L.P. | 0.09% | Add +69.3% | 625,859 | $45.7M |
| Woodline Partners LP | 0.10% | Add +34.1% | 451,986 | $33.0M |
| Nuveen, LLC | 0.01% | Reduce -20.9% | 446,479 | $32.6M |
| Morgan Stanley | 0.00% | Reduce -10.1% | 437,571 | $31.9M |
| UBS Group AG | 0.01% | Reduce -46.8% | 431,633 | $31.5M |
| Schroder Investment Management Group | 0.02% | Add +0.4% | 375,889 | $28.1M |
| Millennium Management | 0.02% | Add +330.7% | 366,074 | $26.7M |
| FMR LLC | 0.00% | Reduce -72.5% | 361,243 | $26.4M |
| ExodusPoint Capital Management, LP | 0.22% | New | 327,195 | $23.9M |
| Qube Research & Technologies Ltd | 0.03% | New | 321,718 | $23.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +2.3% | 318,823 | $23.3M |
| Erste Asset Management GmbH | 0.18% | Reduce -22.8% | 305,000 | $22.8M |
| Van Lanschot Kempen Investment Management N.V. | 0.15% | Add +9.9% | 268,434 | $19.6M |
| Jupiter Topco LLC | 0.01% | — | 267,748 | $19.5M |
| Northern Trust Corp. | 0.00% | Reduce -2.3% | 262,926 | $19.2M |
| Robotti Robert | 2.77% | Add +62.3% | 235,379 | $17.2M |
| Bank of America Corp. | 0.00% | Reduce -2.0% | 232,213 | $17.0M |
| Susquehanna Portfolio Strategies, LLC | 0.27% | Add +1154.1% | 230,396 | $16.8M |
| ProShare Advisors LLC | 0.02% | Reduce -22.8% | 228,319 | $16.7M |
| Norges Bank | 0.00% | — | 214,101 | $15.6M |
| Jump Financial, LLC | 0.15% | New | 209,861 | $15.3M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +1.9% | 209,650 | $15.3M |
| D. E. Shaw & Co. | 0.01% | Reduce -14.0% | 200,534 | $14.6M |
| Russell Investments Group, Ltd. | 0.01% | Add +117.5% | 194,362 | $14.2M |
| Invesco Ltd. | 0.00% | Add +6.4% | 190,951 | $13.9M |
| JPMorgan Chase & Co. | 0.00% | Add +67.1% | 163,287 | $12.3M |
| Cerity Partners LLC | 0.01% | Add +129.0% | 166,436 | $12.1M |
| Bank of New York Mellon Corp | 0.00% | Reduce -9.7% | 163,455 | $11.9M |
| Allspring Global Investments Holdings, LLC | 0.02% | Reduce -42.9% | 163,075 | $11.9M |
| Sprott Inc. | 0.39% | Add +20.7% | 160,110 | $11.7M |
| Teachers Retirement System of the State of Kentucky | 0.08% | Reduce -12.0% | 156,757 | $11.4M |
| Campbell & CO Investment Adviser LLC | 0.57% | New | 148,180 | $10.8M |
| Wellington Management Group LLP | 0.00% | Reduce -92.1% | 141,816 | $10.4M |
| Lighthouse Investment Partners, LLC | 0.31% | New | 135,361 | $9.9M |
| Recurrent Investment Advisors LLC | 0.58% | Add +14.2% | 128,771 | $9.4M |
| Quantinno Capital Management LP | 0.01% | Add +1.5% | 123,228 | $9.0M |
| HRT Financial LP | 0.02% | New | 116,395 | $8.5M |
| Marshall Wace, LLP | 0.01% | New | 111,574 | $8.1M |
| Tudor Investment Corporation | 0.03% | New | 110,710 | $8.1M |
| Wells Fargo & Company | 0.00% | Reduce -0.7% | 105,936 | $7.7M |
| Alliancebernstein L.P. | 0.00% | Reduce -2.0% | 65,993 | $7.7M |
| Mackenzie Financial Corp. | 0.01% | Add +45.8% | 104,903 | $7.7M |
| Royal Bank of Canada | 0.00% | Reduce -6.9% | 96,772 | $7.1M |
| Thomist Capital Management, LP | 2.59% | Add +31.8% | 96,200 | $7.0M |
| BNP Paribas Financial Markets | 0.00% | Add +1311.1% | 94,400 | $6.9M |
| Point72 Asset Management | 0.01% | New | 89,731 | $6.6M |
| Alberta Investment Management Corp | 0.04% | New | 89,200 | $6.5M |
| Rhumbline Advisers | 0.00% | Reduce -1.1% | 86,305 | $6.3M |
| Walleye Capital LLC | 0.03% | Add +38.5% | 82,847 | $6.0M |
| Meiji Yasuda Asset Management Co Ltd. | 0.27% | Add +4.2% | 82,778 | $6.0M |
| Squarepoint Ops LLC | 0.01% | Add +107.5% | 79,967 | $5.8M |
| Natixis | 0.03% | New | 77,117 | $5.6M |
| Tidal Investments LLC | 0.01% | Add +59.0% | 76,055 | $5.6M |
| PDT Partners, LLC | 0.29% | No change | 75,777 | $5.5M |
| Principal Financial Group Inc. | 0.00% | Add +1.6% | 75,653 | $5.5M |
| Agman Capital LLC | 3.29% | Reduce -1.1% | 71,465 | $5.2M |
| Engineers Gate Manager LP | 0.07% | Add +67.8% | 71,301 | $5.2M |
| Swiss National Bank | 0.00% | Reduce -15.4% | 64,200 | $4.7M |
| SG Americas Securities, LLC | 0.00% | Add +140.5% | 59,116 | $4.3M |
| Turas Capital Management LP | 1.97% | New | 58,800 | $4.3M |
| Assenagon Asset Management S.A. | 0.01% | New | 55,289 | $4.0M |
| Merewether Investment Management, LP | 0.07% | Reduce -75.7% | 53,439 | $3.9M |
| Axq Capital, LP | 0.41% | New | 51,437 | $3.8M |
| Legal & General Group Plc | 0.00% | Reduce -1.4% | 50,025 | $3.7M |
| Mariner, LLC | 0.00% | New | 47,319 | $3.5M |
| Two Sigma Investments, LP | 0.00% | New | 45,357 | $3.3M |
| BI Asset Management Fondsmaeglerselskab A/S | 0.02% | Reduce -0.6% | 41,791 | $3.1M |
| New York State Common Retirement Fund | 0.00% | Reduce -86.8% | 40,926 | $3.0M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +11.6% | 37,155 | $2.7M |
| California State Teachers Retirement System | 0.00% | Reduce -17.0% | 36,900 | $2.7M |
| Citigroup Inc. | 0.00% | Reduce -33.0% | 36,569 | $2.7M |
| State of Wisconsin Investment Board | 0.01% | Add +41.9% | 35,823 | $2.6M |
| Occudo Quantitative Strategies LP | 0.14% | Reduce -19.7% | 35,695 | $2.6M |
| Bank of Montreal | 0.00% | Reduce -8.8% | 35,590 | $2.6M |
| HITE Hedge Asset Management LLC | 0.14% | New | 34,589 | $2.5M |
| Retirement Systems of Alabama | 0.01% | Reduce -15.7% | 34,454 | $2.5M |
| Acadian Asset Management LLC | 0.00% | New | 34,498 | $2.5M |
| Los Angeles Capital Management LLC | 0.01% | Add +20664.3% | 32,600 | $2.4M |
| Abn Amro Investment Solutions | 0.02% | New | 31,597 | $2.3M |
| Ameriprise Financial Inc. | 0.00% | Add +9.8% | 31,288 | $2.3M |
| Worldquant Millennium Advisors LLC | 0.01% | Add +69.8% | 31,204 | $2.3M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | Reduce -9.9% | 30,040 | $2.2M |
| Envestnet Asset Management Inc. | 0.00% | Add +5.5% | 29,586 | $2.2M |
| First Trust Advisors LP | 0.00% | Reduce -73.1% | 27,496 | $2.0M |
"% of holder's portfolio" is WLK's weight in each manager's 13F, not the share of Westlake Corp. the manager owns.