Institutional Ownership
Seanergy Maritime Hldgs Corp
CUSIP Y73760400SHSQ1 2026
13D / 13G Filings
19
Schedule 13D/13G on record
Beneficial Filers
4
Distinct reporting persons
Largest Stake
13.2%
Max % of class reported
Institutional Holders
65
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
19 filings · latest Aug 4, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Aug 4, 2025 | Konstantakopoulos Konstantinos | 13G/A | 13.2% | 2.76M | SEC |
| 2 | Mar 13, 2025 | Konstantakopoulos, Konstantinos | 13G/A | 10.9% | 2.22M | SEC |
| 3 | Feb 28, 2025 | Tsantanis Stamatios | 13D/A | 8.3% | — | SEC |
| 4 | Jan 8, 2025 | Konstantakopoulos, Konstantinos | 13G | 9.0% | 1.84M | SEC |
| 5 | Oct 15, 2024 | Economou George | 13D/A | 9.0% | 1.86M | SEC |
| 6 | Aug 9, 2024 | Konstantakopoulos Konstantinos | 13G | 7.3% | 1.50M | SEC |
| 7 | Jun 3, 2024 | Economou George | 13D/A | 8.9% | 1.86M | SEC |
| 8 | May 31, 2024 | Economou George | 13D/A | 8.9% | 1.86M | SEC |
| 9 | Apr 9, 2024 | Konstantakopoulos Konstantinos | 13G/A | 5.0% | 1.02M | SEC |
| 10 | Mar 5, 2024 | Economou George | 13D/A | 9.5% | 1.86M | SEC |
9 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Seanergy Maritime Hldgs Corp.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Goldman Sachs Group Inc | 814.6K | $10.52M |
| 2 | Renaissance Technologies LLC | 652.3K | $8.42M |
| 3 | Two Sigma Investments, LP | 556.5K | $7.18M |
| 4 | Walleye Capital LLC | 287.5K | $3.71M |
| 5 | Morgan Stanley | 233.7K | $3.02M |
| 6 | Marshall Wace, LLP | 174.3K | $2.25M |
| 7 | Point72 Asset Management, L.P. | 172.6K | $2.23M |
| 8 | Bank Of America Corp /De/ | 160.0K | $2.07M |
| 9 | Jane Street Group, LLC | 123.1K | $1.59M |
| 10 | Susquehanna International Group, LLP | 112.7K | $1.45M |