Seanergy Maritime Holdings Corp. (SHIP) shareholders
SHIPNasdaqDeep Sea Foreign Transportation of FreightFiscal year ends December 31
$15.91+0.33 (+2.12%)
Close on Nov 13, 2026Market cap $336.24MP/E 15.8Yield 2.07%
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
24.3%
5M of 21M shares
Institutional holders
76
18 new, 8 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
0 buys · 4 sales
Net sold $406.19K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Konstantakopoulos, Konstantinos Joint filing with Longshaw Maritime Investments S.A. (10.90%) | 2,218,949 | 10.90% | 13G (passive) amendment | Mar 11, 2025 |
| Konstantakopoulos Konstantinos Joint filing with Longshaw Maritime Investments S.A. (10.20%) | 2,203,714 | 10.20% | 13G (passive) amendment | Mar 31, 2026 |
| Tsantanis Stamatios | 2,084,403 | 9.62% | 13D (active) amendment | Mar 6, 2026 |
| George Economou Joint filing with Sphinx Investment Corp. (8.80%), Maryport Navigation Corp. (8.80%) | 1,848,534 | 8.80% | 13D (active) amendment | Mar 16, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of SHIP | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Goldman Sachs Group Inc | 757,938 | 3.59% | $10.18M | −56,615 | 0.00% |
| Renaissance Technologies LLC | 609,100 | 2.88% | $8.18M | −43,200 | 0.01% |
| Two Sigma Investments, LP | 542,398 | 2.57% | $7.28M | −14,058 | 0.01% |
| Walleye Capital LLC | 302,380 | 1.43% | $4.06M | +14,871 | 0.01% |
| Acadian Asset Management LLC | 222,391 | 1.05% | $2.98M | −113,197 | 0.00% |
| Marshall Wace, Llp | 219,950 | 1.04% | $2.95M | +45,603 | 0.00% |
| Morgan Stanley | 218,175 | 1.03% | $2.93M | −15,511 | 0.00% |
| Bank Of America Corp /De/ | 161,648 | 0.77% | $2.17M | +1,676 | 0.00% |
| Qube Research & Technologies Ltd | 136,680 | 0.65% | $1.84M | +47,425 | 0.00% |
| PDT Partners, LLC | 125,189 | 0.59% | $1.68M | +56,683 | 0.09% |
| Cambridge Investment Research Advisors, Inc. | 108,208 | 0.51% | $1.45M | +90,063 | 0.00% |
| Millennium Management LLC | 105,185 | 0.50% | $1.41M | +15,339 | 0.00% |
| JPMorgan Chase & Co | 103,852 | 0.49% | $1.41M | +59,365 | 0.00% |
| Bnp Paribas Arbitrage, Snc | 94,652 | 0.45% | $1.27M | −1,483 | 0.00% |
| Jane Street Group, LLC | 90,354 | 0.43% | $1.21M | −32,759 | 0.00% |
| Point Nemo Capital, LLC | 86,535 | 0.41% | $1.16M | New | 0.59% |
| Marnell Management LLC | 78,605 | 0.37% | $1.06M | +39,046 | 0.41% |
| Point72 Asset Management, L.P. | 78,372 | 0.37% | $1.05M | −94,229 | 0.00% |
| Janney Montgomery Scott LLC | 72,961 | 0.35% | $980.00K | New | 0.00% |
| Campbell & CO Investment Adviser LLC | 68,114 | 0.32% | $914.77K | +26,336 | 0.05% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 76 | 5M | 24.3% | 18 / 18 | 31 / 8 | 1M | 1M |
| Q1 2026 | 66 | 5M | 25.2% | 21 / 27 | 13 / 4 | 3M | 0M |
| Q4 2025 | 49 | 3M | 15.0% | 11 / 16 | 18 / 7 | 1M | 0M |
| Q3 2025 | 46 | 2M | 10.5% | 14 / 14 | 12 / 1 | 1M | 0M |
| Q2 2025 | 33 | 2M | 8.2% | 6 / 9 | 13 / 12 | 0M | 1M |
| Q1 2025 | 39 | 2M | 11.7% | 3 / 12 | 18 / 22 | 0M | 2M |
| Q4 2024 | 58 | 4M | 20.6% | 17 / 19 | 13 / 13 | 1M | 1M |
| Q3 2024 | 54 | 4M | 18.1% | 11 / 14 | 24 / 11 | 0M | 1M |
| Q2 2024 | 56 | 4M | 21.0% | 18 / 19 | 15 / 7 | 3M | 1M |
| Q1 2024 | 45 | 2M | 11.2% | 15 / 18 | 8 / 3 | 1M | 0M |
| Q4 2023 | 33 | 1M | 5.8% | 13 / 9 | 3 / 2 | 1M | 0M |
| Q3 2023 | 22 | 0M | 2.0% | 7 / 7 | 2 / 5 | 0M | 0M |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Stamatios Tsantanis | Director, CEO | 20,000 | 0.09% | Mar 18, 2026 |
| Stavros Gyftakis | See Remarks | 230,340 | 1.09% | Oct 7, 2026 |
| Christina Anagnostara | Director | 178,239 | 0.84% | Aug 7, 2026 |
| Dimitrios Anagnostopoulos | Director | 73,333 | 0.35% | Mar 18, 2026 |
| Ioannis Kartsonas | Director | 45,422 | 0.22% | Mar 18, 2026 |
| Elias Culucundis | Director | 72,800 | 0.34% | Mar 18, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Stavros Gyftakis See Remarks | Oct 5, 2026 | Sale | −2,835 | $17.52 | $49.67K | 230,340 |
| Christina Anagnostara Director | Aug 6, 2026 | Sale | −15,000 | $17.19 | $257.85K | 178,239 |
| Stavros Gyftakis See Remarks | Jul 13, 2026 | Sale | −3,300 | $14.81 | $48.87K | 232,995 |
| Stavros Gyftakis See Remarks | Apr 6, 2026 | Sale | −3,570 | $13.95 | $49.80K | 236,295 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
2.05%
0M shares short
Days to cover
1.3
At 0M shares a day
Change since last report
-21.1%
From 0M shares
Short volume, 20 days
42.3%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Seanergy Maritime's stock actually held short. Settlement fails (shares not delivered on time) peaked at 4,355 shares on Sep 24, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Christina Anagnostara Director | Aug 6, 2026 | 15,000 | $257.89K | Aug 6, 2026 | Restricted Stock Vesting Under a Registered Plan |
| Christina Anagnostara Director | Mar 16, 2026 | 15,000 | $185.30K | Mar 16, 2026 | Restricted stock vesting under a registered plan |
| Elias Culucundis Director | Feb 24, 2026 | 30,000 | $331.50K | Feb 25, 2026 | Stock Award |
| Dimitrios Anagnostopoulos Director | Dec 8, 2025 | 60,000 | $570.00K | Dec 9, 2025 | Stock Award |
| Ioannis Kartsonas Director | Dec 2, 2025 | 30,000 | $317.10K | Dec 2, 2025 | compensation |
| Stavros Gyftakis Chief Financial Officer | Oct 10, 2025 | 30,000 | $248.40K | Oct 13, 2025 | Stock Award |
| Christina Anagnostara Director | Sep 23, 2025 | 5,000 | $45.25K | Sep 23, 2025 | Restricted stock vesting under a registered plan |
| Christina Anagnostara Officer | Aug 27, 2025 | 6,000 | $47.89K | Aug 27, 2025 | Restricted stock vesting under a registered plan |
| Christina Anagnostara Officer | Apr 28, 2025 | 8,000 | $46.05K | Apr 28, 2025 | Restricted stock vesting under a registered plan |
| Ioannis Kartsonas Director | Dec 4, 2024 | 45,000 | $344.25K | Dec 4, 2024 | Stock Grants |
| Stavros Gyftakis Chief Financial Officer | Nov 29, 2024 | 40,000 | $324.40K | Nov 29, 2024 | Stock Award |
| Ioannis Kartsonas Director | Oct 27, 2023 | 65,000 | $380.00K | Oct 30, 2023 | STOCK AWARD |
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