Security key
Y1146L208
- Security type / class
- Equity / SHS
- Total 13F shares
- 405,822
- Total 13F value
- $925,127
- Share change
- +14,891
- SEC-reported price per share
- $2.28
- Number of holders
- 16
- Value change
- +$32,310
- Number of buys
- 6
- Number of sells
- 5
Report period
Q1 2025
Institutions
16
Top holders
10
CTRM full security history
Ownership snapshot
Full 13F holder table
Castor Maritime Inc. SEC filings
Castor Maritime Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of CTRM - Castor Maritime Inc. - SHS (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
TOWERVIEW LLC
Disclosed value leader
TOWERVIEW LLC
Comparable rows
0/15
Latest evidence
31 Dec 2024
13F
Highest disclosed value: $660,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
TOWERVIEW LLC has the largest disclosed position value at $660K.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens TOWERVIEW LLC's linked filing trail.
Disclosed position value
Top 5
TOWERVIEW LLC
$660K
RENAISSANCE TECHNOLOGIES LLC
$109.1K
Squarepoint Ops LLC
$78K
GOLDMAN SACHS GROUP INC
$60.5K
SUSQUEHANNA INTERNATIONAL GROUP, LLP
$54.9K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| TOWERVIEW LLC |
13F
Company
|
—
class O/S missing
|
$660,000
240,000 shares
|
— | 31 Dec 2024 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
class O/S missing
|
$109,090
39,669 shares
|
— | 31 Dec 2024 |
| Squarepoint Ops LLC |
13F
Company
|
—
class O/S missing
|
$78,026
28,373 shares
|
— | 31 Dec 2024 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
—
class O/S missing
|
$60,539
22,014 shares
|
— | 31 Dec 2024 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
Company
|
—
class O/S missing
|
$54,901
19,964 shares
|
— | 31 Dec 2024 |
| Apriem Advisors |
13F
Company
|
—
class O/S missing
|
$52,250
19,000 shares
|
— | 31 Dec 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
16
Shares
405,822
Rows available
16
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2025 vs Q1 2025 Across Filers
Q1 2025 holders
16
Q1 2025 holders
16
Holder diff
0
| Investor | Q1 2025 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q1 2025 value | Value change | Value Chg % |
|---|