Castor Maritime
CTRM
25 hedge funds and large institutions have $903K invested in Castor Maritime in 2026 Q2 according to their latest regulatory filings, with 8 funds opening new positions, 4 increasing their positions, 2 reducing their positions, and 2 closing their positions.
300% more first-time investments, than exits
New positions opened: 8 | Existing positions closed: 2
152% more call options, than puts
Call options by funds: $106K | Put options by funds: $42K
100% more repeat investments, than reductions
Existing positions increased: 4 | Existing positions reduced: 2
32% more funds holding
Funds holding: 19 → 25 (+6)
30% more capital invested
Capital invested by funds: $692K → $903K (+$210K)
0.58% more ownership
Funds ownership: 3.87% → 4.45% (+0.58%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$51.9K |
| 2 |
NA
NewEdge Advisors
New Orleans,
Louisiana
|
+$43.6K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$25K |
| 4 |
TWC
TD Waterhouse Canada
Toronto,
Ontario, Canada
|
+$5.58K |
| 5 |
Simplex Trading
Chicago,
Illinois
|
+$5.24K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Renaissance Technologies
New York
|
-$18K |
| 2 |
UBS Group
Zurich,
Switzerland
|
-$4.12K |
| 3 |
Group One Trading
Chicago,
Illinois
|
-$199 |
| 4 |
RF
Robinswood Financial
Kirkland,
Washington
|
-$27 |
CTRM Hedge Fund Activity: Q2 2026 in Review
25 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in Castor Maritime (CTRM) for Q2 2026, worth a combined $903K — up 30% from $692K a quarter earlier.
Buyers outnumbered sellers: 8 funds opened new CTRM positions and 2 closed out — a net gain of 6 holders — while 4 added to existing stakes and 2 trimmed.
The largest buyer was Citadel Advisors, opening a new position worth an estimated $51.9K. The largest seller was Renaissance Technologies, cutting an estimated $18K.
- 25 institutional investors held Castor Maritime (CTRM) as of Q2 2026, up from 19 in Q1 2026.
- Funds reported $903K of Castor Maritime stock for Q2 2026, up 30% quarter-over-quarter.
- 8 funds opened new Castor Maritime positions in Q2 2026 and 2 closed out, a net change of +6 holders.
- The largest Castor Maritime buyer in Q2 2026 was Citadel Advisors, an estimated $51.9K added.
- The largest Castor Maritime seller in Q2 2026 was Renaissance Technologies, an estimated $18K sold.
Based on aggregated 13F filings for Q2 2026.