Westlake corp WLK
$74.77
+2.7% 52w: $55.28 – $122.65
Latest 13F among current holders filed 11 days ago (Jun 24, 2026)
Price — last 12 months
research preview data55.2888.97122.65
Jun 20, 2025 Jul 2, 2026
Institutional holders
336
+40 QoQ
13F value
$5.15B
+49.9% QoQ
Smart-money holders
19
signal tier ≥ 2
New smart buyers
8
Q1 2026
Options barometer
1.6×
$26.7M calls / $16.9M puts
Institutional value by quarter
Number of holders
Who owns WLK?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| Orbis Allan Gray Ltd ★2 | Fundamental diversified | 5.3M | $618.4M | 2.6% | +20.7% |
| Capital World Investors | Long only active | 4.2M | $491.9M | 0.1% | +93.9% |
| BlackRock, Inc. | Index provider | 3.1M | $359.7M | 0.0% | -5.6% |
| PRICE T ROWE ASSOCIATES INC /MD/ | Diversified mechanical | 2.4M | $281.2M | 0.0% | +9.0% |
| BRANDES INVESTMENT PARTNERS, LP | Other | 1.8M | $215.3M | 1.5% | +10.3% |
| WELLINGTON MANAGEMENT GROUP LLP | Long only active | 1.8M | $209.5M | 0.0% | -57.5% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 1.8M | $206.7M | 0.0% | — |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 1.5M | $171.3M | 0.0% | -22.3% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 1.5M | $170.0M | 0.0% | — |
| GOLDMAN SACHS GROUP INC | Bank broker | 1.4M | $162.8M | 0.0% | +84.8% |
| STATE STREET CORP | Index provider | 1.4M | $161.3M | 0.0% | -1.2% |
| FMR LLC | Long only active | 1.3M | $153.3M | 0.0% | +473.5% |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Bank broker | 981.4K | $114.6M | 0.0% | +6.1% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | Index provider | 944.0K | $110.3M | 0.1% | +7.7% |
| UBS Group AG | Bank broker | 811.3K | $94.8M | 0.0% | +25.2% |
| Holocene Advisors, LP | Other | 730.0K | $85.3M | 0.2% | -40.2% |
| CITADEL ADVISORS LLC | Multistrat pod | 715.6K | $83.6M | 0.1% | +252.0% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 614.3K | $71.8M | 0.0% | +3.3% |
| Nuveen, LLC | Diversified mechanical | 564.7K | $66.0M | 0.0% | -13.5% |
| MORGAN STANLEY | Bank broker | 486.5K | $56.8M | 0.0% | -36.0% |
| Erste Asset Management GmbH | Other | 395.0K | $45.8M | 0.4% | -6.0% |
| SCHRODER INVESTMENT MANAGEMENT GROUP | Diversified mechanical | 374.5K | $43.4M | 0.0% | New |
| Balyasny Asset Management L.P. | Multistrat pod | 369.7K | $43.2M | 0.1% | New |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Other | 349.0K | $40.8M | 0.2% | -47.8% |
| Woodline Partners LP | Other | 337.1K | $39.4M | 0.1% | -46.3% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 311.8K | $36.4M | 0.0% | +4.9% |
| NEW YORK STATE COMMON RETIREMENT FUND | Diversified mechanical | 309.6K | $36.2M | 0.1% | Held |
| ProShare Advisors LLC | Index provider | 295.8K | $34.6M | 0.1% | -32.0% |
| Allspring Global Investments Holdings, LLC | Diversified mechanical | 285.4K | $33.3M | 0.1% | -43.7% |
| JANUS HENDERSON GROUP PLC | Diversified mechanical | 269.8K | $31.5M | 0.0% | -19.4% |
| NORTHERN TRUST CORP | Index provider | 269.1K | $31.4M | 0.0% | +0.2% |
| FEDERATED HERMES, INC. | Diversified mechanical | 266.7K | $31.2M | 0.1% | +147.5% |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 260.1K | $30.4M | 0.0% | +1166.5% |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | Other | 244.3K | $28.5M | 0.3% | +3.6% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 237.0K | $27.7M | 0.0% | +28.5% |
| D. E. Shaw & Co., Inc. | Quant stat arb | 233.2K | $27.2M | 0.0% | -52.0% |
| Merewether Investment Management, LP ★2 | Fundamental diversified | 219.9K | $25.7M | 0.5% | -43.3% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 205.7K | $24.0M | 0.0% | — |
| DEPRINCE RACE & ZOLLO INC | Other | 203.4K | $23.8M | 0.4% | -0.4% |
| Bank of New York Mellon Corp | Diversified mechanical | 181.1K | $21.2M | 0.0% | +3.9% |
| Invesco Ltd. | Index provider | 179.4K | $21.0M | 0.0% | -15.8% |
| TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY | Diversified mechanical | 178.2K | $20.8M | 0.2% | +7.8% |
| Ceredex Value Advisors LLC | Other | 177.9K | $20.8M | 0.7% | -24.5% |
| Man Group plc | Quant stat arb | 160.3K | $18.7M | 0.0% | New |
| ROBOTTI ROBERT ★2 | Fundamental diversified | 145.0K | $16.9M | 2.6% | -43.4% |
| CAPSTONE INVESTMENT ADVISORS, LLC | Quant stat arb | 135.8K | $15.9M | 0.2% | +4254.2% |
| SPROTT INC. ★2 | Fundamental diversified | 132.6K | $15.5M | 0.5% | -5.3% |
| Quantinno Capital Management LP | Diversified mechanical | 121.4K | $14.2M | 0.0% | +4.4% |
| Recurrent Investment Advisors LLC ★2 | Fundamental diversified | 112.8K | $13.2M | 0.8% | +49.1% |
| Yaupon Capital Management LP | Other | 107.0K | $12.5M | 0.6% | New |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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