WestlakeWLK
13F holders, Q1 2025 (March 31)361holders −17
39new positions
60sold out
6famous investors
$99.99avg. 13F price*
At the end of Q1 2025, 361 institutions reported holding Westlake Corp. (WLK) in their 13F filings, down 17 from Q4 2024. 39 opened new positions and 60 sold out. The largest holders were Victory Capital Management Inc. ($390.1M), BlackRock, Inc. ($366.2M) and Vanguard Group Inc. ($355.1M). 6 famous investors held it, including Israel Englander (0.1% of Millennium Management's portfolio), Ken Griffin (0.1% of Citadel Advisors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Westlake Corp.
- CUSIP
- 960413102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 39 | $73.7M |
| Exits | 60 | $122.7M |
All 13F filers, Q4 2024 → Q1 2025: 5,199,849 shares bought and 3,833,550 shares sold, net +1,366,299 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 361 holders
| Victory Capital Management Inc. | 0.41% | Add +17.7% | 3,900,025 | $390.1M |
| BlackRock, Inc. | 0.01% | Add +0.1% | 3,660,406 | $366.2M |
| Vanguard Group Inc. | 0.01% | Reduce -8.4% | 3,550,310 | $355.1M |
| State Street Corp. | 0.01% | Add +36.5% | 1,630,106 | $163.1M |
| FMR LLC | 0.01% | Add +7.7% | 1,548,866 | $154.9M |
| Capital World Investors | 0.02% | Add +0.2% | 1,290,128 | $129.1M |
| Goldman Sachs Group Inc. | 0.02% | Add +10.9% | 1,041,190 | $104.2M |
| Dimensional Fund Advisors LP | 0.02% | Add +0.6% | 939,669 | $94.0M |
| Millennium Management | 0.09% | Add +366.8% | 901,229 | $90.1M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.18% | Reduce -3.3% | 853,831 | $85.4M |
| Citadel Advisors | 0.08% | Add +25.4% | 852,856 | $85.3M |
| Jacobs Levy Equity Management, Inc. | 0.31% | Reduce -2.9% | 775,801 | $77.6M |
| Nuveen, LLC | 0.02% | — | 729,521 | $73.0M |
| Ilex Capital Partners (UK) LLP | 2.86% | Add +359.8% | 699,007 | $69.9M |
| UBS Group AG | 0.01% | Add +9.2% | 609,078 | $60.9M |
| Geode Capital Management, LLC | 0.00% | Add +3.4% | 576,779 | $57.6M |
| Allspring Global Investments Holdings, LLC | 0.10% | Add +46.6% | 551,766 | $55.2M |
| Balyasny Asset Management L.P. | 0.13% | Reduce -47.5% | 521,876 | $52.2M |
| Brandes Investment Partners, LP | 0.43% | New | 421,020 | $42.1M |
| ExodusPoint Capital Management, LP | 0.55% | Add +21.2% | 417,760 | $41.8M |
| Janus Henderson Group PLC | 0.02% | Add +6.0% | 394,521 | $39.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +7.0% | 371,175 | $37.1M |
| Norges Bank | 0.01% | Reduce -9.3% | 368,875 | $36.9M |
| Voloridge Investment Management, LLC | 0.13% | Add +58.4% | 346,970 | $34.7M |
| Northern Trust Corp. | 0.00% | Add +2.9% | 314,618 | $31.5M |
| Renaissance Technologies | 0.04% | Reduce -20.1% | 280,100 | $28.0M |
| Two Sigma Investments, LP | 0.06% | Add +155.1% | 266,071 | $26.6M |
| Morgan Stanley | 0.00% | Reduce -12.9% | 262,556 | $26.3M |
| ProShare Advisors LLC | 0.06% | Add +4.5% | 260,323 | $26.0M |
| Schroder Investment Management Group | 0.03% | Reduce -31.5% | 249,546 | $24.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +3.5% | 244,497 | $24.5M |
| Squarepoint Ops LLC | 0.06% | Add +30.1% | 232,058 | $23.2M |
| Deprince Race & Zollo Inc. | 0.48% | Add +5.6% | 230,488 | $23.1M |
| D. E. Shaw & Co. | 0.03% | Reduce -9.7% | 228,357 | $22.8M |
| Bank of America Corp. | 0.00% | Add +341.2% | 221,443 | $22.2M |
| Bank of New York Mellon Corp | 0.00% | Reduce -2.8% | 219,679 | $22.0M |
| Bank of Montreal | 0.01% | Add +40.5% | 210,224 | $21.0M |
| Alyeska Investment Group, L.P. | 0.08% | Add +83.3% | 192,876 | $19.3M |
| First Trust Advisors LP | 0.01% | Reduce -79.9% | 166,559 | $16.7M |
| Two Sigma Advisers, LP | 0.04% | Add +61.3% | 166,100 | $16.6M |
| Robotti Robert | 3.30% | Add +0.2% | 164,696 | $16.5M |
| 1832 Asset Management L.P. | 0.03% | Reduce -59.1% | 153,740 | $15.4M |
| Erste Asset Management GmbH | 0.20% | Add +8.5% | 153,201 | $15.3M |
| Legal & General Group Plc | 0.00% | Reduce -8.0% | 144,995 | $14.5M |
| Man Group plc | 0.04% | Add +263.1% | 140,891 | $14.1M |
| Invesco Ltd. | 0.00% | Reduce -9.2% | 134,380 | $13.4M |
| JPMorgan Chase & Co. | 0.00% | Add +16.0% | 129,035 | $12.9M |
| Quantinno Capital Management LP | 0.08% | Add +43.9% | 127,513 | $12.8M |
| Ameriprise Financial Inc. | 0.00% | Add +10.7% | 118,923 | $11.9M |
| Drummond Knight Asset Management Pty Ltd | 5.89% | Add +37.9% | 117,231 | $11.7M |
| Russell Investments Group, Ltd. | 0.02% | Reduce -10.1% | 116,603 | $11.7M |
| Qube Research & Technologies Ltd | 0.02% | Reduce -2.5% | 115,800 | $11.6M |
| Raymond James Financial Inc. | 0.00% | Reduce -3.4% | 112,945 | $11.3M |
| Lazard Asset Management LLC | 0.02% | Add +12.2% | 111,513 | $11.2M |
| Swiss National Bank | 0.01% | No change | 109,000 | $10.9M |
| Barclays PLC | 0.00% | Reduce -19.5% | 106,820 | $10.7M |
| Storebrand Asset Management As | 0.03% | Reduce -5.1% | 106,745 | $10.7M |
| Rhumbline Advisers | 0.01% | Add +2.4% | 100,439 | $10.0M |
| Holocene Advisors, LP | 0.03% | Add +100.9% | 99,073 | $9.9M |
| Wedge Capital Management L L P | 0.18% | Add +19.5% | 94,638 | $9.5M |
| Walnut Level Capital LLC | 7.39% | Add +28.0% | 92,500 | $9.3M |
| Sprott Inc. | 0.53% | Add +38.5% | 90,000 | $9.0M |
| Jane Street Group, LLC | 0.02% | Add +1018.4% | 85,940 | $8.6M |
| Sumitomo Mitsui Trust Group, Inc. | 0.01% | Reduce -0.5% | 79,089 | $7.9M |
| Principal Financial Group Inc. | 0.00% | Add +0.4% | 76,996 | $7.7M |
| Cerity Partners LLC | 0.02% | Reduce -9.3% | 74,928 | $7.5M |
| HITE Hedge Asset Management LLC | 0.44% | Add +17.9% | 71,475 | $7.1M |
| Alliancebernstein L.P. | 0.00% | Add +7.5% | 68,469 | $6.8M |
| HRT Financial LP | 0.04% | New | 68,304 | $6.8M |
| Wells Fargo & Company | 0.00% | Add +16.1% | 61,206 | $6.1M |
| Janney Montgomery Scott LLC | 0.02% | Add +2.8% | 61,134 | $6.1M |
| California Public Employees Retirement System | 0.00% | Reduce -1.2% | 58,830 | $5.9M |
| SG Americas Securities, LLC | 0.02% | Reduce -42.5% | 57,560 | $5.8M |
| Verition Fund Management LLC | 0.03% | Reduce -15.8% | 51,511 | $5.2M |
| Amundi | 0.00% | Reduce -81.8% | 50,770 | $4.8M |
| Thomist Capital Management, LP | 1.92% | New | 46,100 | $4.6M |
| California State Teachers Retirement System | 0.01% | Add +0.2% | 45,195 | $4.5M |
| Retirement Systems of Alabama | 0.02% | Add +0.1% | 40,729 | $4.1M |
| Canada Pension Plan Investment Board | 0.00% | Reduce -36.4% | 39,364 | $3.9M |
| Royal Bank of Canada | 0.00% | Add +90.0% | 38,687 | $3.9M |
| Corebridge Financial, Inc. | 0.02% | Reduce -2.4% | 36,963 | $3.7M |
| Graham Capital Management, L.P. | 0.17% | Add +105.9% | 36,754 | $3.7M |
| Walleye Capital LLC | 0.04% | Add +412.7% | 34,377 | $3.4M |
| Deutsche Bank AG | 0.00% | Reduce -13.9% | 33,230 | $3.3M |
| Weiss Asset Management LP | 0.12% | New | 31,702 | $3.2M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | Add +52.2% | 30,900 | $3.1M |
| Comerica Bank | 0.01% | Add +3.5% | 30,638 | $3.1M |
| LPL Financial LLC | 0.00% | Add +17.3% | 30,421 | $3.0M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Add +1.0% | 29,692 | $3.0M |
| ING Groep NV | 0.02% | Add +32.7% | 29,600 | $3.0M |
| Danske Bank A/S | 0.01% | Reduce -7.7% | 28,712 | $2.9M |
| Citigroup Inc. | 0.00% | Reduce -14.7% | 28,252 | $2.8M |
| State Board of Administration of Florida Retirement System | 0.01% | No change | 27,975 | $2.8M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +21.0% | 27,969 | $2.8M |
| State of Alaska, Department of Revenue | 0.03% | Add +0.4% | 27,858 | $2.8M |
| Magnetar Financial LLC | 0.04% | New | 27,277 | $2.7M |
| National Bank of Canada | 0.00% | Reduce -0.0% | 26,974 | $2.7M |
| KBC Group NV | 0.01% | Reduce -2.0% | 26,695 | $2.7M |
| Envestnet Asset Management Inc. | 0.00% | Add +45.2% | 26,535 | $2.7M |
| BNP Paribas Financial Markets | 0.00% | Reduce -64.9% | 26,356 | $2.6M |
"% of holder's portfolio" is WLK's weight in each manager's 13F, not the share of Westlake Corp. the manager owns.