Seanergy Maritime Holdings Corp. - Common Stock, par value $0.0001 per share (SHIP)

Q: What does CUSIP Y73760400 represent in this 13F holders report?

CUSIP Y73760400 is the security identifier for SHIP - Seanergy Maritime Holdings Corp. - Common Stock, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held SHIP - Seanergy Maritime Holdings Corp. - Common Stock, par value $0.0001 per share in Q3 2026?

16 institutional investors reported SHIP - Seanergy Maritime Holdings Corp. - Common Stock, par value $0.0001 per share for Q3 2026. Use the holders table for investor-level position and value details.

CUSIP: Y73760400

Q3 2026 13F Holders as of 30 Sep 2026

Security type / class: Equity / Common Stock, par value $0.0001 per share
Total 13F shares: 212,095
Total 13F value: $3,479,588
Share change: +54,839
SEC-reported price per share: $16.41
Number of holders: 16
Value change: +$1,137,130
Number of buys: 12
Number of sells: 5
Shares outstanding: 21,695,490

Security key

Y73760400

Report period

Q3 2026

Institutions

Top holders

SHIP full security history Ownership snapshot Full 13F holder table Seanergy Maritime Holdings Corp. SEC filings Seanergy Maritime Holdings Corp. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP Y73760400

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of SHIP - Seanergy Maritime Holdings Corp. - Common Stock, par value $0.0001 per share (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

Stamatios Tsantanis

Disclosed value leader

Stamatios Tsantanis

Comparable rows

3/15

Latest evidence

18 Sep 2026

13D/G 3/4/5 13F Lead comparable stake: 9.6% 12 rows are not safely comparable across share classes. 13D/G row: Stamatios Tsantanis Showing 1-6 of 15 holder rows.

Quick read

Stamatios Tsantanis leads the comparable SEC ownership view at 9.6%.

3 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 Stamatios Tsantanis's linked filing trail.

Comparable ownership Top 3

Stamatios Tsantanis 9.6%

George Economou 8.8%

Konstantakopoulos Konstantinos 4.9%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Stamatios Tsantanis	13D/G 3/4/5 Tsantanis Stamatios · Director, CEO, Director 13D/G 3/4/5	9.6% Reported 13D/G · 06 Mar 2026	$28,785,605 2,084,403 shares	+$5,358,280	06 Mar 2026
George Economou	13D/G Sphinx Investment Corp. 13D/G	8.8% Reported 13D/G · 16 Mar 2026	$21,017,832 1,848,534 shares	$0	16 Mar 2026
Konstantakopoulos Konstantinos	13D/G 13D/G	4.9% Reported 13D/G · 18 Sep 2026	$18,773,975 1,063,079 shares	-$20,143,614	18 Sep 2026
GOLDMAN SACHS GROUP INC	13F Company 13F	— denominator unverified	$10,179,107 757,938 shares	—	30 Jun 2026
RENAISSANCE TECHNOLOGIES LLC	13F Company 13F	— denominator unverified	$8,180,213 609,100 shares	—	30 Jun 2026
TWO SIGMA INVESTMENTS, LP	13F Company 13F	— denominator unverified	$7,284,405 542,398 shares	—	30 Jun 2026

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 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

212,095

Rows available

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 2026 vs Q2 2026 Across Filers

Q2 2026 holders

Q3 2026 holders

Holder diff

-60

Investor	Q2 2026 Shares	Q3 2026 Shares	Share Diff	Share Chg %	Q2 2026 value	Q3 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend