ECO
name pending profile ingest
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 40 | +6 | 5.56M | $277.69M | +8 | −2 |
| Q1 2026 | 34 | +7 | 4.38M | $222.71M | +8 | −1 |
| Q4 2025 | 27 | +3 | 3.10M | $104.76M | +3 | — |
| Q3 2025 | 9 | +6 | 340.85K | $9.98M | +6 | — |
| Q2 2025 | 1 | -2 | 9.50K | $206,478 | +1 | −3 |
| Q1 2025 | 3 | 0 | 251.39K | $5.55M | +1 | −1 |
| Q4 2024 | 3 | -2 | 562.82K | $11.76M | — | −2 |
| Q3 2024 | 5 | +1 | 410.11K | $13.41M | +2 | −1 |
| Q2 2024 | 4 | — | 341.78K | $10.95M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Arrowstreet Capital ✦ | 507.50K | +70.2% | $10.58M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | Millennium Management ✦ | 42.21K | -24.0% | $897,470 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | Citadel Advisors ✦ | 13.11K | +21.7% | $278,676 | 0.0% | ▲ Add | 3 | 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
| Two Sigma Investments | $1.10M | was 0.0% |
| D. E. Shaw & Co. | $385,491 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 92 holders, 9.20M shares, $435.01M 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)
Director · 68.42K sh · $4.10M
Other · 68.42K sh · $4.10M
Director · 8.54K sh · $555,377
Other · 8.54K sh · $555,377
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology