Castor Maritime
CTRM
19 hedge funds and large institutions have $692K invested in Castor Maritime in 2026 Q1 according to their latest regulatory filings, with 4 funds opening new positions, 3 increasing their positions, 4 reducing their positions, and 10 closing their positions.
1.24% less ownership
Funds ownership: 5.11% → 3.87% (-1.2%)
24% less funds holding
Funds holding: 25 → 19 (-6)
25% less repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 4
32% less capital invested
Capital invested by funds: $1.02M → $692K (-$331K)
60% less first-time investments, than exits
New positions opened: 4 | Existing positions closed: 10
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Renaissance Technologies
New York
|
+$71K |
| 2 |
CC
Centiva Capital
New York
|
+$23.6K |
| 3 |
Simplex Trading
Chicago,
Illinois
|
+$6.9K |
| 4 |
UBS Group
Zurich,
Switzerland
|
+$3.18K |
| 5 |
FFA
Farther Finance Advisors
San Francisco,
California
|
+$32 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$156K |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$77.7K |
| 3 |
Jane Street
New York
|
-$37K |
| 4 |
TSS
Two Sigma Securities
New York
|
-$35.8K |
| 5 |
VF
Virtu Financial
New York
|
-$25K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
TRCT
26
Tower Research Capital (TRC)
New York
| – | -$253 | -122 | Closed |
|
27
Jones Financial Companies
Des Peres,
Missouri
| – | -$12 | -6 | Closed |
|
|
CIA
28
Cape Investment Advisory
Mcdonough,
Georgia
| – | -$8 | -4 | Closed |
|
|
NL
29
Navalign LLC
Encino,
California
| – | -$2 | -1 | Closed |
|
CTRM Hedge Fund Activity: Q1 2026 in Review
19 of the 8,127 institutional investors tracked by Wall St. Rank reported a position in Castor Maritime (CTRM) for Q1 2026, worth a combined $692K — down 32% from $1.02M a quarter earlier.
Sellers outnumbered buyers: 10 funds closed out of CTRM and 4 opened new positions — a net loss of 6 holders — while 4 trimmed existing stakes and 3 added.
The largest buyer was Renaissance Technologies, adding an estimated $71K. The largest seller was Citadel Advisors, exiting entirely with an estimated $156K sold.
- 19 institutional investors held Castor Maritime (CTRM) as of Q1 2026, down from 25 in Q4 2025.
- Funds reported $692K of Castor Maritime stock for Q1 2026, down 32% quarter-over-quarter.
- 4 funds opened new Castor Maritime positions in Q1 2026 and 10 closed out, a net change of -6 holders.
- The largest Castor Maritime buyer in Q1 2026 was Renaissance Technologies, an estimated $71K added.
- The largest Castor Maritime seller in Q1 2026 was Citadel Advisors, an estimated $156K sold.
Based on aggregated 13F filings for Q1 2026.