Star Bulk Carriers
SBLK
187 hedge funds and large institutions have $874M invested in Star Bulk Carriers in 2026 Q1 according to their latest regulatory filings, with 49 funds opening new positions, 57 increasing their positions, 53 reducing their positions, and 31 closing their positions.
58% more first-time investments, than exits
New positions opened: 49 | Existing positions closed: 31
40% more capital invested
Capital invested by funds: $626M → $874M (+$248M)
8% more funds holding
Funds holding: 173 → 187 (+14)
5.65% more ownership
Funds ownership: 27.91% → 33.56% (+5.6%)
8% more repeat investments, than reductions
Existing positions increased: 57 | Existing positions reduced: 53
0% more funds holding in top 10
Funds holding in top 10: 4 → 4 (0)
74% less call options, than puts
Call options by funds: $22.7M | Put options by funds: $85.7M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Two Sigma Investments
New York
|
+$55.8M |
| 2 |
Victory Capital Management
San Antonio,
Texas
|
+$43.7M |
| 3 |
Marshall Wace
London,
United Kingdom
|
+$25.5M |
| 4 |
Goldman Sachs
New York
|
+$25.1M |
| 5 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$24.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AllianceBernstein
Nashville,
Tennessee
|
-$112M |
| 2 |
Ameriprise
Minneapolis,
Minnesota
|
-$48M |
| 3 |
OCM
Oaktree Capital Management
Los Angeles,
California
|
-$37.7M |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$16.2M |
| 5 |
Franklin Resources
San Mateo,
California
|
-$8.9M |
SBLK Hedge Fund Activity: Q1 2026 in Review
187 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Star Bulk Carriers (SBLK) for Q1 2026, worth a combined $874M — up 40% from $626M a quarter earlier.
Buyers outnumbered sellers: 49 funds opened new SBLK positions and 31 closed out — a net gain of 18 holders — while 57 added to existing stakes and 53 trimmed.
The largest buyer was Two Sigma Investments, adding an estimated $55.8M. The largest seller was AllianceBernstein, exiting entirely with an estimated $112M sold.
- 187 institutional investors held Star Bulk Carriers (SBLK) as of Q1 2026, up from 173 in Q4 2025.
- Funds reported $874M of Star Bulk Carriers stock for Q1 2026, up 40% quarter-over-quarter.
- 49 funds opened new Star Bulk Carriers positions in Q1 2026 and 31 closed out, a net change of +18 holders.
- The largest Star Bulk Carriers buyer in Q1 2026 was Two Sigma Investments, an estimated $55.8M added.
- The largest Star Bulk Carriers seller in Q1 2026 was AllianceBernstein, an estimated $112M sold.
Based on aggregated 13F filings for Q1 2026.