Security key
Y1146L208
- Security type / class
- Equity / SHS
- Total 13F shares
- 374,268
- Total 13F value
- $778,459
- Share change
- -24,920
- SEC-reported price per share
- $2.08
- Number of holders
- 18
- Value change
- -$51,837
- Number of buys
- 5
- Number of sells
- 4
Report period
Q3 2025
Institutions
18
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
30 Jun 2025
13F
Highest disclosed value: $513,360
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 $513.4K.
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
$513.4K
RENAISSANCE TECHNOLOGIES LLC
$87K
SUSQUEHANNA INTERNATIONAL GROUP, LLP
$85.3K
GOLDMAN SACHS GROUP INC
$63.2K
Apriem Advisors
$40.6K
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
|
$513,360
240,000 shares
|
— | 30 Jun 2025 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
class O/S missing
|
$86,991
40,669 shares
|
— | 30 Jun 2025 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
Company
|
—
class O/S missing
|
$85,318
40,435 shares
|
— | 30 Jun 2025 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
—
class O/S missing
|
$63,216
29,554 shares
|
— | 30 Jun 2025 |
| Apriem Advisors |
13F
Company
|
—
class O/S missing
|
$40,641
19,000 shares
|
— | 30 Jun 2025 |
| MORGAN STANLEY |
13F
Company
|
—
class O/S missing
|
$26,665
12,466 shares
|
— | 30 Jun 2025 |
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 Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
18
Shares
374,268
Rows available
18
| 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 Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
17
Q3 2025 holders
18
Holder diff
1
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|