Who Owns Castor Maritime Inc. (CTRM)?Hedge Fund & Institutional Holders

$2.13-0.04 (-1.85%)IndustrialsNASDAQ

Institutional Holders

32

as of Q4 2025

Total Institutional Value

$4.960005400039e+42T

% of Float Held

QoQ Change in Holders

+12 / -3

Price History

$1.85$2.54$3.22$3.90$4.58Aug 24Jun 25Mar 26

CTRM — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
TOWERVIEW LLCNew Position+240K+$496.0M
UBS Group AGIncreased+685+$894K
Virtu Financial LLCNew Position+12K+$25K
Garton & Associates Financial Advisors LLCNew Position+2K+$4K
CITADEL ADVISORS LLCNew Position+73K+$0
TWO SIGMA SECURITIES, LLCNew Position+17K+$0
Tower Research Capital LLC (TRC)New Position+122+$0
JANE STREET GROUP, LLCNew Position+18K+$0
Russell Investments Group, Ltd.New Position+1+$0
Navalign, LLCNew Position+1+$0
WOLFF WIESE MAGANA LLCNew Position+20+$0
SBI Securities Co., Ltd.New Position+116+$0
JONES FINANCIAL COMPANIES LLLPNew Position+6+$0
GROUP ONE TRADING LLCIncreased+100+$-389K
SUSQUEHANNA INTERNATIONAL GROUP, LLPIncreased+21K+$-31.9M

CTRM — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
RENAISSANCE TECHNOLOGIES LLCDecreased-2K-$88.8M
Founders Capital ManagementClosed Position-3K-$5.8M
Larson Financial Group LLCClosed Position-240-$499K
Strategic Investment Solutions, Inc. /ILClosed Position-20-$42K
MORGAN STANLEYDecreased-9K-$17K
SIMPLEX TRADING, LLCDecreased-11K-$0

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1TOWERVIEW LLC240,000$496.0M0.36%Share
2GROUP ONE TRADING LLC26,300$54.0M0.00%Call
3Apriem Advisors19,000$39.0M0.00%Share
4GROUP ONE TRADING LLC2,691$5.0M0.00%Share
5UBS Group AG736$1.0M0.00%Share
6Virtu Financial LLC11,852$25K0.00%Share
7Garton & Associates Financial Advisors LLC2,000$4K0.00%Share
8CITADEL ADVISORS LLC73,357$00.00%Share
9GROUP ONE TRADING LLC100$00.00%Put
10SIMPLEX TRADING, LLC2,300$00.00%Call
11SIMPLEX TRADING, LLC2,643$00.00%Share
12SIMPLEX TRADING, LLC300$00.00%Put
13Parallel Advisors, LLC10$00.00%Share
14MORGAN STANLEY259$00.00%Share
15Allworth Financial LP20$00.00%Share
16WOLFF WIESE MAGANA LLC20$00.00%Share
17Russell Investments Group, Ltd.1$00.00%Share
18RENAISSANCE TECHNOLOGIES LLC40,569$00.00%Share
19SUSQUEHANNA INTERNATIONAL GROUP, LLP36,418$00.00%Share
20SUSQUEHANNA INTERNATIONAL GROUP, LLP76,900$00.00%Call
21Tower Research Capital LLC (TRC)122$00.00%Share
22Cape Investment Advisory, Inc.4$00.00%Share
23JONES FINANCIAL COMPANIES LLLP6$00.00%Share
24Navalign, LLC1$00.00%Share
25JANE STREET GROUP, LLC9,340$00.00%Share
26SBI Securities Co., Ltd.116$00.00%Share
27JANE STREET GROUP, LLC8,557$00.00%Share
28JANE STREET GROUP, LLC1$00.00%Share
29Federation des caisses Desjardins du Quebec10$00.00%Share
30GOLDMAN SACHS GROUP INC28,911$00.00%Share
31TWO SIGMA SECURITIES, LLC17,297$00.00%Share
32CITADEL ADVISORS LLC117,700$00.00%Call

CTRM Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 202524$541.0M+9
Q3 202515$232.1M+0
Q2 202515$757.7M-1
Q1 202516$923.6M+0
Q4 202416$1.3B+2
Q3 202414$386.1M-1
Q2 202415$406.8M+2
Q1 202413$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.