Seanergy Maritime Holdings Corp.
Seanergy Maritime Holdings Corp. (SHIP) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SHIP · as of Sep 30, 2024
Ownership Breakdown
56
Institutional Holders
▼ 4 vs Q2
$46.79M
Total Inst. Value
▲ $3.80M vs Q2
21.11M
Shares Outstanding
freeFloat 67.99%
3.77M
13F Shares Held
▼ 588,484 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
SHIP largest shareholders · institutional ownership
Q3 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
RENAISSANCE TECHNOLOGIES LLC deep sea foreign transportation of freight | 669.0K | 3.41% | 3.41% | $8.31B | Nov 13, 2024 | ▲ 33.4K |
WALLEYE CAPITAL LLC deep sea foreign transportation of freight | 480.3K | 2.45% | 2.45% | $5.97B | Nov 14, 2024 | ▲ 37.3K |
MILLENNIUM MANAGEMENT LLC deep sea foreign transportation of freight | 389.5K | 1.98% | 1.98% | $4.84B | Nov 14, 2024 | ▲ 30.1K |
TWO SIGMA INVESTMENTS, LP deep sea foreign transportation of freight | 265.5K | 1.35% | 1.35% | $3.30B | Nov 14, 2024 | ▲ 6.5K |
TWO SIGMA ADVISERS, LP deep sea foreign transportation of freight | 258.2K | 1.32% | 1.32% | $3.21B | Nov 14, 2024 | ▼ 3.4K |
ACADIAN ASSET MANAGEMENT LLC deep sea foreign transportation of freight | 217.2K | 1.11% | 1.11% | $2.70B | Nov 12, 2024 | ▼ 167.1K |
MARSHALL WACE, LLP deep sea foreign transportation of freight | 213.2K | 1.09% | 1.09% | $2.65B | Nov 14, 2024 | ▼ 304 |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP deep sea foreign transportation of freight | 164.1K | 83.55% | 83.55% | $2.04B | Nov 14, 2024 | ▼ 165.7K |
NAVELLIER & ASSOCIATES INC deep sea foreign transportation of freight | 146.9K | 74.80% | 74.80% | $1.82B | Nov 12, 2024 | ▼ 53.0K |
MORGAN STANLEY deep sea foreign transportation of freight | 102.0K | 51.96% | 51.96% | $1.27B | May 14, 2025 | ▼ 39.9K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2024 vs prior quarter
Q3 2024
14
Increased
+148.1K shares9
New Positions
first time holders24
Decreased
−743.6K shares0
Sold Out
fully exitedNet shares change (top 50)
595.5K
+148.1K / −743.6K
Net new holders
-1
9 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
SHIP insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Gyftakis Stavros See Remarks | Apr 6, 2026 | Sale | 3,570 | $13.95 | $49.8K | 236.3K | Form 4 ↗ |
Nisswa Acquisition Master Fund Ltd. 10 percent owner | Jul 27, 2009 | Sale | 1,314 | $6.50 | $8.5K | 3.26M | Form 4 ↗ |
Nisswa Acquisition Master Fund Ltd. 10 percent owner | Dec 16, 2008 | Sale | 28,148 | $6.50 | $183.0K | 3.27M | Form 4 ↗ |
Nisswa Acquisition Master Fund Ltd. 10 percent owner | Dec 17, 2008 | Sale | 11,400 | $6.50 | $74.1K | 3.26M | Form 4 ↗ |
Nisswa Acquisition Master Fund Ltd. 10 percent owner | Nov 14, 2008 | Sale | 13,900 | $6.50 | $90.3K | 3.30M | Form 4 ↗ |
Nisswa Acquisition Master Fund Ltd. 10 percent owner | Nov 17, 2008 | Sale | 1,600 | $6.50 | $10.4K | 3.30M | Form 4 ↗ |
Nisswa Acquisition Master Fund Ltd. 10 percent owner | Nov 12, 2008 | Sale | 3,000 | $6.50 | $19.5K | 3.33M | Form 4 ↗ |
Nisswa Acquisition Master Fund Ltd. 10 percent owner | Nov 13, 2008 | Sale | 15,850 | $6.50 | $103.0K | 3.32M | Form 4 ↗ |
Nisswa Acquisition Master Fund Ltd. 10 percent owner | Oct 31, 2008 | Sale | 80,000 | $6.50 | $520.0K | 3.34M | Form 4 ↗ |
Nisswa Acquisition Master Fund Ltd. 10 percent owner | Oct 29, 2008 | Sale | 3,600 | $6.50 | $23.4K | 3.45M | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Seanergy Maritime Holdings Corp. (SHIP) is primarily owned by institutional investors, who hold approximately 17.8% of total shares outstanding. Company insiders own approximately 32.01%, while retail and public investors account for the remaining 50.15%.
The largest institutional shareholder of Seanergy Maritime Holdings Corp. is RENAISSANCE TECHNOLOGIES LLC, holding approximately 669,000 shares — equal to 3.41% of outstanding shares — as of September 30, 2024.
A total of 56 institutional investors currently hold SHIP stock, with a combined institutional value of approximately $46,790,994 as of the most recent 13F filing period.
Frequently asked questions
SHIP ownershipSeanergy Maritime Holdings Corp. (SHIP) is primarily owned by institutional investors, who hold approximately 17.8% of shares. The largest shareholder is RENAISSANCE TECHNOLOGIES LLC with a 3.41% stake. Company insiders hold 32.01%. Data sourced from SEC Form 13F as of September 30, 2024.