SBLK
Star Bulk Carriers Corp. · Industrials · Marine Shipping
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -27.5% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 66 | +5 | 27.93M | $697.06M | +9 | −3 |
| Q1 2026 | 60 | -2 | 26.78M | $614.61M | +9 | −11 |
| Q4 2025 | 61 | +3 | 24.87M | $477.43M | +4 | −1 |
| Q3 2025 | 14 | 0 | 9.51M | $176.80M | +2 | −3 |
| Q2 2025 | 12 | 0 | 8.41M | $145.10M | +1 | −1 |
| Q1 2025 | 9 | -3 | 9.60M | $149.38M | +1 | −4 |
| Q4 2024 | 12 | 0 | 14.02M | $209.62M | — | — |
| Q3 2024 | 11 | 0 | 14.93M | $353.71M | — | — |
| Q2 2024 | 11 | — | 20.05M | $488.82M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Oaktree Capital Management ✦ | 3.23M | -39.9% | $55.73M | 1.4% | ▼ Trim | 5 | SEC ↗ |
| 2 | Renaissance Technologies ✦ | 1.94M | +2.8% | $33.48M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 1.55M | — | $26.68M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 4 | Arrowstreet Capital ✦ | 685.04K | -58.3% | $11.82M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 5 | The Vanguard Group ✦ (passive) | 456.39K | — | $7.87M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 6 | Citadel Advisors ✦ | 148.94K | New | $2.57M | 0.0% | New | 1 | SEC ↗ ×2 |
| 7 | Geode Capital Management ✦ (passive) | 122.11K | +2.3% | $2.11M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | State Street Global Advisors ✦ (passive) | 121.83K | -2.4% | $2.10M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | Norges Bank ✦ (passive) | 83.69K | -47.2% | $1.44M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 10 | Gotham Asset Management ✦ | 41.60K | 0.0% | $717,600 | 0.0% | Held | 2 | SEC ↗ |
| 11 | Two Sigma Investments ✦ | 32.83K | -84.1% | $566,352 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 12 | Fidelity (FMR) ✦ | 945 | — | $16,301 | 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
| Citadel Advisors | $2.57M | 0.0% |
Exited
| D. E. Shaw & Co. | $673,235 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 186 holders, 37.42M shares, $814.50M 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)
Director · 6.00K sh @ 28.27 · $169,620
Director · 2.00K sh @ 28.27 · $56,540
Open-market sales (S)
Director · 6.00K sh · $182,340
Director · 3.50K sh · $112,420
Director · 10.00K sh · $323,400
Director · 50.00K sh · $1.56M
Director · 50.00K sh · $1.53M
Officer · 10.82K sh · $322,803
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology