Who Owns Castor Maritime Inc. (CTRM)?Hedge Fund & Institutional Holders
Institutional Holders
32
as of Q4 2025
Total Institutional Value
$4.960005400039e+42T
% of Float Held
—
QoQ Change in Holders
+12 / -3
Price History
CTRM — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| TOWERVIEW LLC | New Position | +240K | +$496.0M |
| UBS Group AG | Increased | +685 | +$894K |
| Virtu Financial LLC | New Position | +12K | +$25K |
| Garton & Associates Financial Advisors LLC | New Position | +2K | +$4K |
| CITADEL ADVISORS LLC | New Position | +73K | +$0 |
| TWO SIGMA SECURITIES, LLC | New Position | +17K | +$0 |
| Tower Research Capital LLC (TRC) | New Position | +122 | +$0 |
| JANE STREET GROUP, LLC | New Position | +18K | +$0 |
| Russell Investments Group, Ltd. | New Position | +1 | +$0 |
| Navalign, LLC | New Position | +1 | +$0 |
| WOLFF WIESE MAGANA LLC | New Position | +20 | +$0 |
| SBI Securities Co., Ltd. | New Position | +116 | +$0 |
| JONES FINANCIAL COMPANIES LLLP | New Position | +6 | +$0 |
| GROUP ONE TRADING LLC | Increased | +100 | +$-389K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | +21K | +$-31.9M |
CTRM — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC | Decreased | -2K | -$88.8M |
| Founders Capital Management | Closed Position | -3K | -$5.8M |
| Larson Financial Group LLC | Closed Position | -240 | -$499K |
| Strategic Investment Solutions, Inc. /IL | Closed Position | -20 | -$42K |
| MORGAN STANLEY | Decreased | -9K | -$17K |
| SIMPLEX TRADING, LLC | Decreased | -11K | -$0 |
Top Institutional Holders(Q4 2025)
CTRM Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 24 | $541.0M | +9 |
| Q3 2025 | 15 | $232.1M | +0 |
| Q2 2025 | 15 | $757.7M | -1 |
| Q1 2025 | 16 | $923.6M | +0 |
| Q4 2024 | 16 | $1.3B | +2 |
| Q3 2024 | 14 | $386.1M | -1 |
| Q2 2024 | 15 | $406.8M | +2 |
| Q1 2024 | 13 | $38.8B | — |
Similar Stocks by Institutional Ownership
As of Q4 2025, 32 institutional investors hold CTRM (Castor Maritime Inc.). The largest holder is TOWERVIEW LLC with $496.0M in shares. This quarter, 12 institutions opened new positions and 3 closed their positions.
Frequently Asked Questions
How many hedge funds own CTRM?
As of Q4 2025, 32 institutional investors report holding CTRM (Castor Maritime Inc.) in their 13F filings.
Who is the largest institutional holder of CTRM?
The largest institutional holder of CTRM is TOWERVIEW LLC with $496.0M in shares.
Is institutional ownership of CTRM increasing or decreasing?
This quarter, 12 institutions opened new positions in CTRM and 3 closed their positions.