WLK
Westlake Corporation · Basic Materials · Chemicals - Specialty
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 108 | +4 | 28.25M | $2.07B | +17 | −13 |
| Q1 2026 | 107 | +10 | 30.63M | $3.57B | +16 | −7 |
| Q4 2025 | 97 | -3 | 33.32M | $2.46B | +2 | −4 |
| Q3 2025 | 21 | +2 | 15.45M | $1.19B | +2 | −1 |
| Q2 2025 | 17 | 0 | 15.73M | $1.19B | +3 | −3 |
| Q1 2025 | 14 | -1 | 6.45M | $645.11M | — | −1 |
| Q4 2024 | 15 | 0 | 5.16M | $591.46M | +1 | −1 |
| Q3 2024 | 14 | +1 | 3.58M | $537.73M | +2 | −1 |
| Q2 2024 | 13 | — | 3.36M | $486.12M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Capital World Investors ✦ | 1.33M | — | $193.28M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Citadel Advisors ✦ | 577.98K | — | $83.70M | 0.1% | n/c | 1 | SEC ↗ |
| 3 | Citadel Advisors ✦ | 577.98K | — | $83.70M | 0.1% | n/c | 1 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 529.09K | — | $76.46M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 529.09K | — | $76.46M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | Norges Bank ✦ (passive) | 395.34K | — | $57.25M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | AQR Capital Management ✦ | 142.87K | — | $20.69M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 142.87K | — | $20.69M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | AQR Capital Management ✦ | 142.87K | — | $20.69M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 142.87K | — | $20.69M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | Millennium Management ✦ | 131.62K | — | $19.06M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | Point72 Asset Management ✦ | 71.14K | — | $10.30M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | Renaissance Technologies ✦ | 59.10K | — | $8.56M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | Wellington Management ✦ | 48.52K | — | $7.03M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | Wellington Management ✦ | 48.52K | — | $7.03M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | Two Sigma Investments ✦ | 26.09K | — | $3.78M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | T. Rowe Price ✦ | 19.44K | — | $2.82M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | Gotham Asset Management ✦ | 17.74K | — | $2.57M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Bridgewater Associates ✦ | 4.29K | — | $620,988 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 332 holders, 44.00M shares, $4.81B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer, Director · 7.49K sh · $596,873
Officer, Director · 31.38K sh · $2.52M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology