Security record
SBLK
Star Bulk Carriers Corp. · Industrials · Marine Shipping
65Tracked holders
+4Δ holders
27.17MShares held
$678.14MReported value
+8New positions
−3Exits
Momentum inputs (comparable managers):
holder breadth +6.6% ·
share flow 0.0% ·
net new positions +7.7%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 65 | +4 | 27.17M | $678.14M | +8 | −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 | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Two Sigma Investments ✦ | 3.53M | +17.2% | $88.14M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 2.82M | +369.2% | $70.35M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 2.82M | +369.2% | $70.35M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 2.82M | +369.2% | $70.35M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 2.82M | +369.2% | $70.35M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 2.82M | +369.2% | $70.35M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 2.82M | +369.2% | $70.35M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 2.82M | +369.2% | $70.35M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 2.82M | +369.2% | $70.35M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 2.82M | +369.2% | $70.35M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 2.82M | +369.2% | $70.35M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 2.82M | +369.2% | $70.35M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 2.82M | +369.2% | $70.35M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 2.82M | +369.2% | $70.35M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 2.82M | +369.2% | $70.35M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 16 | Renaissance Technologies ✦ | 2.10M | +1.6% | $52.43M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 17 | Victory Capital Management Inc | 2.03M | +5.6% | $50.62M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 18 | Goldman Sachs Group ✦ | 2.01M | +15.9% | $50.30M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 19 | Goldman Sachs Group ✦ | 2.01M | +15.9% | $50.30M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 20 | Focus Partners Wealth | 1.26M | +10.9% | $31.55M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 21 | Qube Research & Technologies Ltd | 1.16M | +6.4% | $28.88M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | Morgan Stanley ✦ | 1.04M | -32.2% | $25.98M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 23 | Morgan Stanley ✦ | 1.04M | -32.2% | $25.98M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 24 | Morgan Stanley ✦ | 1.04M | -32.2% | $25.98M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 25 | Morgan Stanley ✦ | 1.04M | -32.2% | $25.98M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 26 | Morgan Stanley ✦ | 1.04M | -32.2% | $25.98M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 27 | Morgan Stanley ✦ | 1.04M | -32.2% | $25.98M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 28 | Morgan Stanley ✦ | 1.04M | -32.2% | $25.98M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 29 | Morgan Stanley ✦ | 1.04M | -32.2% | $25.98M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 30 | Arrowstreet Capital ✦ | 926.38K | +22.3% | $23.13M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 31 | Boston Partners | 788.20K | -51.5% | $19.69M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | Boston Partners | 788.20K | -51.5% | $19.69M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 33 | Marshall Wace ✦ | 786.67K | -35.4% | $19.64M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 34 | Marshall Wace ✦ | 786.67K | -35.4% | $19.64M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 35 | Marshall Wace ✦ | 786.67K | -35.4% | $19.64M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 36 | Marshall Wace ✦ | 786.67K | -35.4% | $19.64M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 37 | Bridgewater Associates ✦ | 718.06K | +30.2% | $17.93M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 38 | JPMorgan Chase ✦ | 675.65K | +3.5% | $16.65M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 39 | JPMorgan Chase ✦ | 675.65K | +3.5% | $16.65M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 40 | JPMorgan Chase ✦ | 675.65K | +3.5% | $16.65M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 41 | JPMorgan Chase ✦ | 675.65K | +3.5% | $16.65M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 42 | JPMorgan Chase ✦ | 675.65K | +3.5% | $16.65M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 43 | JPMorgan Chase ✦ | 675.65K | +3.5% | $16.65M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 44 | Allianz Asset Management GmbH | 649.84K | -18.7% | $16.23M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 45 | Citadel Advisors ✦ | 594.25K | +44.5% | $14.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 46 | Citadel Advisors ✦ | 594.25K | +44.5% | $14.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | D. E. Shaw & Co. ✦ | 591.31K | -49.6% | $14.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 48 | Susquehanna International Group, Llp | 578.59K | +103.3% | $14.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 49 | Millennium Management ✦ | 472.80K | -34.3% | $11.81M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 50 | Point72 Asset Management ✦ | 437.81K | -44.6% | $10.93M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 51 | Norges Bank ✦ (passive) | 396.00K | New | $9.89M | 0.0% | New | 1 | SEC ↗ |
| 52 | Bank Of America Corp /De/ | 376.31K | -33.5% | $9.40M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 53 | Bank Of America Corp /De/ | 376.31K | -33.5% | $9.40M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 54 | Bank Of America Corp /De/ | 376.31K | -33.5% | $9.40M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 55 | Bank Of America Corp /De/ | 376.31K | -33.5% | $9.40M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 56 | Bank Of America Corp /De/ | 376.31K | -33.5% | $9.40M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 57 | Bank Of America Corp /De/ | 376.31K | -33.5% | $9.40M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 58 | UBS Group AG | 375.19K | +84.0% | $9.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 59 | UBS Group AG | 375.19K | +84.0% | $9.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 60 | UBS Group AG | 375.19K | +84.0% | $9.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 61 | UBS Group AG | 375.19K | +84.0% | $9.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Russell Investments Group, Ltd. | 333.90K | -12.0% | $8.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 63 | Russell Investments Group, Ltd. | 333.90K | -12.0% | $8.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 64 | Russell Investments Group, Ltd. | 333.90K | -12.0% | $8.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 65 | Russell Investments Group, Ltd. | 333.90K | -12.0% | $8.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 66 | Russell Investments Group, Ltd. | 333.90K | -12.0% | $8.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 67 | Russell Investments Group, Ltd. | 333.90K | -12.0% | $8.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 68 | Russell Investments Group, Ltd. | 333.90K | -12.0% | $8.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 69 | Russell Investments Group, Ltd. | 333.90K | -12.0% | $8.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 70 | Russell Investments Group, Ltd. | 333.90K | -12.0% | $8.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 71 | Russell Investments Group, Ltd. | 333.90K | -12.0% | $8.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 72 | Russell Investments Group, Ltd. | 333.90K | -12.0% | $8.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 73 | Tudor Investment Corp Et Al | 305.49K | -58.4% | $7.63M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 74 | Citigroup Inc | 295.19K | +2295.8% | $7.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 75 | Citigroup Inc | 295.19K | +2295.8% | $7.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 76 | LPL Financial LLC | 268.58K | -1.5% | $6.71M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 77 | Hrt Financial Lp | 205.41K | -73.4% | $5.13M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 78 | Geode Capital Management ✦ (passive) | 153.81K | -0.2% | $3.84M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 79 | Jane Street Group, Llc | 138.03K | -74.9% | $3.45M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 80 | Jane Street Group, Llc | 138.03K | -74.9% | $3.45M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 81 | Bnp Paribas Financial Markets | 115.62K | +19.1% | $2.89M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | State Street Global Advisors ✦ (passive) | 105.54K | -8.7% | $2.64M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 83 | Stifel Financial Corp | 80.69K | +8.7% | $2.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 84 | Northern Trust Corp | 77.34K | +1.0% | $1.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 85 | Northern Trust Corp | 77.34K | +1.0% | $1.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 86 | Northern Trust Corp | 77.34K | +1.0% | $1.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 87 | Northern Trust Corp | 77.34K | +1.0% | $1.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 88 | Sei Investments Co | 73.16K | New | $1.83M | 0.0% | New | 1 | SEC ↗ |
| 89 | Sei Investments Co | 73.16K | New | $1.83M | 0.0% | New | 1 | SEC ↗ |
| 90 | Vanguard Capital Management Llc | 68.61K | 0.0% | $1.71M | 0.0% | Held | 2 | SEC ↗ |
| 91 | New York State Common Retirement… | 65.91K | New | $1.65M | 0.0% | New | 1 | SEC ↗ |
| 92 | Hsbc Holdings Plc | 62.20K | +55.1% | $1.54M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 93 | Squarepoint Ops LLC | 54.28K | -33.2% | $1.36M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 94 | Raymond James Financial Inc | 53.52K | -2.1% | $1.34M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 95 | Raymond James Financial Inc | 53.52K | -2.1% | $1.34M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 96 | Tidal Investments LLC | 50.25K | -27.5% | $1.25M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 97 | Balyasny Asset Management L.P. | 40.13K | +22.1% | $1.00M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 98 | IMC-Chicago, LLC | 36.26K | New | $905,287 | 0.0% | New | 1 | SEC ↗ |
| 99 | Ameriprise Financial Inc | 35.80K | -10.2% | $893,946 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 100 | Ameriprise Financial Inc | 35.80K | -10.2% | $893,946 | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $9.89M | 0.0% |
| Sei Investments Co | $1.83M | 0.0% |
| Sei Investments Co | $1.83M | 0.0% |
| New York State Common… | $1.65M | 0.0% |
| IMC-Chicago, LLC | $905,287 | 0.0% |
Exited
| FIL Ltd | $748,432 | was 0.0% |
| Group One Trading Llc | $586,332 | was 0.0% |
| Nomura Asset Management Co Ltd | $57,425 | 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.
Frequently co-owned
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)
Aug 24
Zagari Raffaele
Director · 50.00K sh · $1.53M
Aug 17
Plakantonaki Charis
Officer · 10.82K sh · $322,803
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
Get this via the API