WestlakeWLK
13F holders, Q3 2025 (September 30)305holders
57new positions
53sold out
9famous investors
$77.05avg. 13F price*
At the end of Q3 2025, 305 institutions reported holding Westlake Corp. (WLK) in their 13F filings, unchanged from Q2 2025. 57 opened new positions and 53 sold out. The largest holders were Orbis Allan Gray Ltd ($301.6M), Vanguard Group Inc. ($265.1M) and BlackRock, Inc. ($245.5M). 9 famous investors held it, including Ken Griffin (0.1% of Citadel Advisors's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Westlake Corp.
- CUSIP
- 960413102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 57 | $475.0M |
| Exits | 53 | $85.0M |
All 13F filers, Q2 2025 → Q3 2025: 10,694,091 shares bought and 7,095,052 shares sold, net +3,599,039 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 305 holders
| Orbis Allan Gray Ltd | 1.29% | New | 3,914,411 | $301.6M |
| Vanguard Group Inc. | 0.00% | Reduce -2.4% | 3,439,631 | $265.1M |
| BlackRock, Inc. | 0.00% | Reduce -4.3% | 3,185,736 | $245.5M |
| Victory Capital Management Inc. | 0.13% | Reduce -23.0% | 2,866,360 | $220.9M |
| T. Rowe Price Associates Inc. | 0.02% | Add +7.3% | 2,208,143 | $170.2M |
| Brandes Investment Partners, LP | 0.96% | Add +6.3% | 1,548,694 | $119.3M |
| Dimensional Fund Advisors LP | 0.02% | Add +2.0% | 1,300,240 | $100.2M |
| State Street Corp. | 0.00% | Reduce -7.0% | 1,295,242 | $99.8M |
| Citadel Advisors | 0.08% | Add +9658.3% | 1,200,851 | $92.5M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -0.7% | 1,051,397 | $81.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.02% | Add +40.7% | 917,273 | $70.7M |
| Jacobs Levy Equity Management, Inc. | 0.26% | Reduce -12.6% | 860,723 | $66.3M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.11% | Add +1.4% | 855,976 | $66.0M |
| Holocene Advisors, LP | 0.15% | Add +440.1% | 854,184 | $65.8M |
| Morgan Stanley | 0.00% | Add +76.4% | 815,629 | $62.9M |
| Nuveen, LLC | 0.01% | Reduce -22.5% | 686,539 | $52.9M |
| Geode Capital Management, LLC | 0.00% | Add +13.7% | 653,086 | $50.3M |
| UBS Group AG | 0.01% | Add +26.4% | 560,480 | $43.2M |
| ANTIPODES PARTNERS Ltd | 0.96% | Reduce -32.5% | 555,904 | $42.8M |
| Allspring Global Investments Holdings, LLC | 0.07% | Add +4.9% | 546,151 | $41.9M |
| Balyasny Asset Management L.P. | 0.08% | Add +495.8% | 475,743 | $36.7M |
| Thompson Siegel & Walmsley LLC | 0.55% | New | 441,340 | $34.0M |
| ProShare Advisors LLC | 0.07% | Add +19.0% | 422,640 | $32.6M |
| Voloridge Investment Management, LLC | 0.10% | Reduce -24.2% | 394,307 | $30.4M |
| Royal Bank of Canada | 0.01% | Add +74.7% | 381,586 | $29.4M |
| Caisse de depot et placement du Quebec | 0.05% | New | 368,318 | $28.4M |
| Janus Henderson Group PLC | 0.01% | Add +70.8% | 365,984 | $28.2M |
| FMR LLC | 0.00% | Reduce -80.5% | 314,350 | $24.2M |
| New York State Common Retirement Fund | 0.03% | Add +1.0% | 309,626 | $23.9M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Add +3.3% | 299,728 | $23.1M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +6.3% | 272,962 | $21.0M |
| Merewether Investment Management, LP | 0.49% | New | 268,400 | $20.7M |
| Schroder Investment Management Group | 0.02% | Add +5.0% | 261,562 | $20.1M |
| Erste Asset Management GmbH | 0.19% | Add +51.6% | 260,000 | $20.0M |
| Northern Trust Corp. | 0.00% | Add +2.2% | 238,139 | $18.4M |
| Bank of America Corp. | 0.00% | Add +50.7% | 208,897 | $16.1M |
| Van Lanschot Kempen Investment Management N.V. | 0.13% | Add +7.2% | 196,043 | $15.1M |
| Woodline Partners LP | 0.07% | Reduce -40.8% | 193,786 | $14.9M |
| BNP Paribas Financial Markets | 0.01% | Add +3.0% | 190,966 | $14.7M |
| Deprince Race & Zollo Inc. | 0.29% | Reduce -25.4% | 189,009 | $14.6M |
| Russell Investments Group, Ltd. | 0.02% | Add +42.9% | 184,631 | $14.2M |
| Robotti Robert | 2.43% | Reduce -0.5% | 181,851 | $14.0M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.4% | 177,982 | $13.7M |
| Teachers Retirement System of the State of Kentucky | 0.10% | Add +57.4% | 165,315 | $12.7M |
| First Trust Advisors LP | 0.01% | Add +28.9% | 164,936 | $12.7M |
| D. E. Shaw & Co. | 0.01% | Reduce -53.3% | 160,009 | $12.3M |
| JPMorgan Chase & Co. | 0.00% | Reduce -5.8% | 157,794 | $12.2M |
| Walleye Capital LLC | 0.10% | Add +32.2% | 148,317 | $11.4M |
| 1832 Asset Management L.P. | 0.02% | No change | 138,920 | $10.7M |
| Invesco Ltd. | 0.00% | Add +8.1% | 134,699 | $10.4M |
| Sprott Inc. | 0.38% | Add +4.0% | 130,000 | $10.0M |
| Alyeska Investment Group, L.P. | 0.03% | Reduce -49.6% | 119,986 | $9.2M |
| Citigroup Inc. | 0.01% | Add +61.3% | 117,151 | $9.0M |
| Impala Asset Management LLC | 5.50% | New | 115,000 | $8.9M |
| Ilex Capital Partners (UK) LLP | 0.27% | Reduce -59.5% | 110,691 | $8.5M |
| Lloyd Harbor Capital Management, LLC | 4.07% | New | 110,000 | $8.5M |
| Millennium Management | 0.01% | Reduce -86.5% | 106,320 | $8.2M |
| Two Sigma Investments, LP | 0.01% | Reduce -15.7% | 102,965 | $7.9M |
| Barclays PLC | 0.00% | Add +43.1% | 101,662 | $7.8M |
| Janney Montgomery Scott LLC | 0.02% | Add +0.0% | 100,998 | $7.8M |
| Squarepoint Ops LLC | 0.02% | Add +6.3% | 100,391 | $7.7M |
| HITE Hedge Asset Management LLC | 0.42% | Reduce -12.7% | 100,000 | $7.7M |
| Wells Fargo & Company | 0.00% | Add +13.7% | 97,129 | $7.5M |
| Zimmer Partners, LP | 0.17% | New | 90,000 | $6.9M |
| Rhumbline Advisers | 0.01% | Reduce -1.9% | 88,859 | $6.8M |
| Point72 Asset Management | 0.02% | New | 84,884 | $6.5M |
| Ameriprise Financial Inc. | 0.00% | Reduce -15.2% | 84,437 | $6.5M |
| Cerity Partners LLC | 0.01% | Reduce -4.3% | 83,079 | $6.4M |
| Aventail Capital Group, LP | 0.29% | New | 78,340 | $6.0M |
| Jump Financial, LLC | 0.08% | New | 77,894 | $6.0M |
| Principal Financial Group Inc. | 0.00% | Reduce -2.0% | 74,113 | $5.7M |
| Two Sigma Advisers, LP | 0.01% | Reduce -53.5% | 73,700 | $5.7M |
| Lazard Asset Management LLC | 0.01% | Reduce -2.0% | 72,622 | $5.6M |
| Nomura Holdings Inc. | 0.03% | New | 69,220 | $5.3M |
| Alliancebernstein L.P. | 0.00% | Reduce -2.7% | 66,762 | $5.1M |
| Quantinno Capital Management LP | 0.01% | Add +115.8% | 65,235 | $5.0M |
| Concentric Capital Strategies, LP | 0.24% | Add +21.3% | 64,158 | $4.9M |
| Tudor Investment Corporation | 0.03% | New | 62,600 | $4.8M |
| Walnut Level Capital LLC | 3.15% | New | 57,679 | $4.4M |
| Wellington Management Group LLP | 0.00% | New | 57,510 | $4.4M |
| Dark Forest Capital Management LP | 0.17% | Reduce -37.8% | 57,492 | $4.4M |
| Quantbot Technologies LP | 0.12% | New | 56,785 | $4.4M |
| Marshall Wace, LLP | 0.00% | Add +596.1% | 56,461 | $4.4M |
| Storebrand Asset Management As | 0.01% | Reduce -34.9% | 56,129 | $4.3M |
| AQR Capital Management | 0.00% | Reduce -60.6% | 52,522 | $4.0M |
| HRT Financial LP | 0.01% | New | 47,624 | $3.7M |
| California Public Employees Retirement System | 0.00% | Reduce -21.9% | 46,784 | $3.6M |
| Thomist Capital Management, LP | 1.11% | Reduce -35.5% | 46,200 | $3.6M |
| Schonfeld Strategic Advisors LLC | 0.02% | Add +322.4% | 45,990 | $3.5M |
| Bank of Montreal | 0.00% | Reduce -80.5% | 45,165 | $3.5M |
| Journey Advisory Group, LLC | 0.26% | Add +0.5% | 45,072 | $3.5M |
| Retirement Systems of Alabama | 0.01% | Reduce -1.1% | 40,315 | $3.1M |
| Wedge Capital Management L L P | 0.05% | Reduce -70.3% | 39,375 | $3.0M |
| Legal & General Group Plc | 0.00% | Reduce -51.2% | 36,632 | $2.8M |
| Corient Private Wealth LP | 0.00% | Add +268.4% | 33,026 | $2.5M |
| Cubist Systematic Strategies, LLC | 0.03% | New | 31,396 | $2.4M |
| Aquatic Capital Management LLC | 0.04% | New | 29,130 | $2.2M |
| Amundi | 0.00% | Reduce -61.6% | 26,773 | $2.2M |
| Comerica Bank | 0.01% | Reduce -17.7% | 28,262 | $2.2M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -0.2% | 28,080 | $2.2M |
"% of holder's portfolio" is WLK's weight in each manager's 13F, not the share of Westlake Corp. the manager owns.