SBLK Star Bulk Carriers Corp.: institutional ownership and insider trading
219 funds reported holding $1.15B of Star Bulk Carriers Corp. in their latest 13F filings; in Q2 2026 funds net bought $92.3M, with 31 new positions and 19 funds selling out; over the last 12 months insiders bought $6.92M and sold $8.65M on the open market.
Famous investors holding SBLK
- Renaissance Technologies (Renaissance Technologies): $52.4M, 0.1% of the portfolio
- Ray Dalio (Bridgewater Associates): $17.9M, 0.1% of the portfolio
- Two Sigma (Two Sigma Investments): $88.8M, 0.1% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $14.8M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $29.0M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $11.8M, 0.0% of the portfolio
Largest institutional holders of SBLK
- TWO SIGMA INVESTMENTS, LP — $88.8M
- BlackRock, Inc. (BLK) — $70.3M
- SUSQUEHANNA INTERNATIONAL GROUP, LLP — $59.4M
- RENAISSANCE TECHNOLOGIES LLC — $52.4M
- VICTORY CAPITAL MANAGEMENT INC — $50.6M
- GOLDMAN SACHS GROUP INC (GS, GSCE, GS-PA, GS-PC, GS-PD) — $50.3M
- Artemis Investment Management LLP — $46.5M
- Philosophy Capital Management LLC — $43.8M
- JANE STREET GROUP, LLC — $42.8M
- Focus Partners Wealth — $31.6M
Recent SBLK insider trades
- Oct 13, 2026: Zagari Raffaele bought 0 shares ($0)
- Oct 13, 2026: Zagari Raffaele sold 7,580 shares ($227K)
- Oct 13, 2026: Zagari Raffaele bought 0 shares ($0)
- Oct 13, 2026: Zagari Raffaele sold 7,580 shares ($227K)
5%+ owners
- Famatown Finance Limited: 11.8% (Schedule 13D, filed Oct 6, 2025)
- Danaos Corporation: 5.2% (Schedule 13G, filed May 9, 2025)
Who owns the most SBLK stock?
The largest institutional holders of Star Bulk Carriers Corp. in the latest 13F filings are TWO SIGMA INVESTMENTS, LP ($88.8M), BlackRock, Inc. (BLK) ($70.3M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($59.4M).
Are insiders buying or selling SBLK?
Over the last 12 months insiders bought $6.92M and sold $8.65M of Star Bulk Carriers Corp. stock on the open market (SEC Form 4).
Which famous investors own SBLK?
Renaissance Technologies, Ray Dalio, Two Sigma, D. E. Shaw, Ken Griffin.
Which ETFs hold SBLK?
4 ETFs and mutual funds hold it among their top 100 positions, including PMACX, FLEKX, AUERX, DASVX.