Star Bulk Carriers Corp.
SBLK- Exchange
- Nasdaq
- Industry
- Deep Sea Foreign Transportation of Freight
- SEC CIK
- 0001386716
In the last 90 days, Star Bulk Carriers Corp. insiders filed 9 open-market purchases and 8 sales; 203 institutions reported holding it in 13F filings for Q2 2026, worth $1.00B in total; no superinvestor holds it.
Key figures
- Insider buysLast 90 days, $6.92M in total
- 9
- Insider sellsLast 90 days, $4.46M in total
- 8
- 13F holdersQ2 2026, +15 vs. previous quarter
- 203
- 13F valueReported value at the end of Q2 2026
- $1.00B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding SBLK, Q2 2026
No superinvestor reported holding SBLK at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Star Bulk Carriers Corp. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 22, 2026 (view filing)8:32 AM ET | Sep 18 | 4 days | Balakrishnan MaheshDirector | SSaleCommon shares, par value $0.01 per share | −10.0K | $32.34 | −$323.4K | −25.6%29.1K after | |
| Sep 22, 2026 (view filing)8:25 AM ET | Sep 21 | 1 day | Vrettou EleniDirector | SSaleCommon shares, par value $0.01 per share | −3.50K | $32.12 | −$112.4K | −4.5%73.7K after | |
| Sep 17, 2026 (view filing)11:02 AM ET | Sep 15 | 2 days | Zagari RaffaeleDirector | PPurchaseCommon shares, par value $0.01 per share | +10.0K | $28.27 | +$282.7K | +36.3%37.6K after | |
| Sep 17, 2026 (view filing)11:02 AM ET | Sep 15 | 2 days | Zagari RaffaeleDirector | PPurchaseCommon shares, par value $0.01 per share | +50.0K | $28.27 | +$1.41M | +2.6%1.95M after | |
| Sep 17, 2026 (view filing)10:39 AM ET | Sep 15 | 2 days | Plakantonaki CharisChief Strategy Officer | PPurchaseCommon shares par value $ 0.01 per share | +3.00K | $28.27 | +$84.8K | +5.4%58.8K after | |
| Sep 17, 2026 (view filing)10:14 AM ET | Sep 15 | 2 days | Pappa Milena MariaDirector | PPurchaseCommon Shares par value $0.01 per share | +74.4K | $28.27 | +$2.10M | +2.4%3.17M after | |
| Sep 17, 2026 (view filing)10:04 AM ET | Sep 15 | 2 days | Pappas AlexandrosOther: Head of Operations | PPurchaseCommon Shares par value $0.01 per share | +74.4K | $28.27 | +$2.10M | +3.0%2.53M after | |
| Sep 17, 2026 (view filing)8:30 AM ET | Sep 15 | 2 days | Reskos NikolaosChief Operating Officer | PPurchaseCommon shares, par value $0.01 per share | +10.0K | $28.27 | +$282.7K | +2.5%410.9K after | |
| Sep 16, 2026 (view filing)11:45 AM ET | Sep 15 | 1 day | Spyrou Symeonco CFO | PPurchaseCommon shares, par value $0.01 per share | +15.0K | $28.27 | +$424.1K | +6.6%241.2K after | |
| Sep 16, 2026 (view filing)11:16 AM ET | Sep 15 | 1 day | Karellis NikolaosDirector | PPurchaseCommon shares, par value $0.01 per share | +2.00K | $28.27 | +$56.5K | +26.4%9.58K after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Star Bulk Carriers Corp. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Two Sigma Investments, LP | 3,530,020 | $88.1M | 0.07% | +517,057+17.2% | Added |
| BlackRock, Inc. | 2,817,294 | $70.3M | 0.00% | +2,216,799+369.2% | Added |
| Renaissance Technologies LLC | 2,099,637 | $52.4M | 0.07% | +32,000+1.5% | Added |
| Victory Capital Management Inc | 2,027,422 | $50.6M | 0.03% | +107,133+5.6% | Added |
| Goldman Sachs Group Inc | 2,014,371 | $50.3M | 0.01% | +276,438+15.9% | Added |
| Philosophy Capital Management LLC | 1,752,666 | $43.8M | 4.20% | −121,752−6.5% | Reduced |
| Colony Group, LLC | 1,263,659 | $31.6M | 0.03% | +123,836+10.9% | Added |
| Qube Research & Technologies Ltd | 1,156,624 | $28.9M | 0.03% | +69,782+6.4% | Added |
| Morgan Stanley | 1,040,248 | $26.0M | 0.00% | −494,457−32.2% | Reduced |
| Fearnley Asset Management AS | 1,004,209 | $25.1M | 9.02% | +53,003+5.6% | Added |