Star Bulk Carriers
SBLK
172 hedge funds and large institutions have $551M invested in Star Bulk Carriers in 2025 Q2 according to their latest regulatory filings, with 21 funds opening new positions, 39 increasing their positions, 70 reducing their positions, and 35 closing their positions.
77% more call options, than puts
Call options by funds: $45.2M | Put options by funds: $25.5M
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
3% less capital invested
Capital invested by funds: $566M → $551M (-$14.6M)
3.87% less ownership
Funds ownership: 31.21% → 27.34% (-3.9%)
9% less funds holding
Funds holding: 188 → 172 (-16)
40% less first-time investments, than exits
New positions opened: 21 | Existing positions closed: 35
44% less repeat investments, than reductions
Existing positions increased: 39 | Existing positions reduced: 70
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AllianceBernstein
Nashville,
Tennessee
|
+$58.6M |
| 2 |
Victory Capital Management
San Antonio,
Texas
|
+$29.6M |
| 3 |
Goldman Sachs
New York
|
+$4.63M |
| 4 |
UBS Group
Zurich,
Switzerland
|
+$4.06M |
| 5 |
Allianz Asset Management
Munich,
Germany
|
+$2.65M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
OCM
Oaktree Capital Management
Los Angeles,
California
|
-$33.3M |
| 2 |
Amundi
Paris,
France
|
-$26.5M |
| 3 |
Bank of America
Charlotte,
North Carolina
|
-$16.4M |
| 4 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$14.9M |
| 5 |
Mirae Asset Global ETFs Holdings
Causeway Bay,
Hong Kong
|
-$10.7M |
SBLK Hedge Fund Activity: Q2 2025 in Review
172 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Star Bulk Carriers (SBLK) for Q2 2025, worth a combined $551M — down 2.6% from $566M a quarter earlier.
Sellers outnumbered buyers: 35 funds closed out of SBLK and 21 opened new positions — a net loss of 14 holders — while 70 trimmed existing stakes and 39 added.
The largest buyer was AllianceBernstein, opening a new position worth an estimated $58.6M. The largest seller was Oaktree Capital Management, cutting an estimated $33.3M.
- 172 institutional investors held Star Bulk Carriers (SBLK) as of Q2 2025, down from 188 in Q1 2025.
- Funds reported $551M of Star Bulk Carriers stock for Q2 2025, down 2.6% quarter-over-quarter.
- 21 funds opened new Star Bulk Carriers positions in Q2 2025 and 35 closed out, a net change of -14 holders.
- The largest Star Bulk Carriers buyer in Q2 2025 was AllianceBernstein, an estimated $58.6M added.
- The largest Star Bulk Carriers seller in Q2 2025 was Oaktree Capital Management, an estimated $33.3M sold.
Based on aggregated 13F filings for Q2 2025.