Security Snapshot

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

CUSIP: Y73760400

13F Institutional Holders and Ownership History from Q1 2023 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

76

Shares (Excl. Options)

5.08MFull value: 5,077,207 · shares · 30 Jun 2026

Price

$13.43

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Security type / class
Equity / Common Stock, par value $0.0001 per share
Symbol
SHIP on Nasdaq
All holders as of 30 Jun 2026
Q2 2026
Total 13F shares
5,077,207
Latest holder snapshot 5 signals
Total 13F value
$68,204,047
Portfolio coverage rank
0%
Share change
-251,722
Value change
-$3,322,377
Number of holders
76
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
21,695,490
SEC-reported price per share
$16.41
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • SHIP - Seanergy Maritime Holdings Corp. - Common Stock, par value $0.0001 per share is tracked under CUSIP Y73760400.
  • 76 institutions reported positions in Q2 2026.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 66 to 76 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $68.78MFull value: $68,775,911 · USD · 31 Mar 2026
    to
    $68.2MFull value: $68,204,047 · USD · 30 Jun 2026
    .

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 76 institutions filings for Q2 2026.

Open SEC evidence

Security key

Y73760400

13F reference period

Q2 2026

13F holders

76

13D/G owners

3

CIK / CUSIP context first

Open Q2 2026 holders SHIP full holder history Seanergy Maritime Holdings Corp. SEC filings Seanergy Maritime Holdings Corp. company facts Seanergy Maritime Holdings Corp. insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
3
Security
SHIP
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Tsantanis Stamatios 9.6% +16% $28,785,605 +$5,358,280 2,084,403 +23% Tsantanis Stamatios 06 Mar 2026
Economou George 8.8% $21,017,832 1,848,534 Sphinx Investment Corp. 16 Mar 2026
Konstantakopoulos Konstantinos 4.9% -53% $18,773,975 -$20,143,614 1,063,079 -52% Konstantakopoulos Konstantinos 18 Sep 2026
As of 30 Jun 2026, 76 institutional investors reported holding
5.08MFull value: 5,077,207 · shares · 30 Jun 2026
shares of Seanergy Maritime Holdings Corp. - Common Stock, par value $0.0001 per share (SHIP). This represents 23% of the company’s total
21.7MFull value: 21,695,490 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
20%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
GOLDMAN SACHS GROUP INC 3.5% 757,938 -7% 0% $10,179,107
RENAISSANCE TECHNOLOGIES LLC 2.8% 609,100 -6.6% 0.01% $8,180,213
TWO SIGMA INVESTMENTS, LP 2.5% 542,398 -2.5% 0.01% $7,284,405
Walleye Capital LLC 1.4% 302,380 +5.2% 0.02% $4,060,963
ACADIAN ASSET MANAGEMENT LLC 1% 222,391 -34% 0% $2,979,000
MARSHALL WACE, LLP 1% 219,950 +26% 0% $2,953,928
MORGAN STANLEY 1% 218,175 -6.6% 0% $2,930,092
BANK OF AMERICA CORP /DE/ 0.75% 161,648 +1% 0% $2,170,933
Qube Research & Technologies Ltd 0.63% 136,680 +53% 0% $1,835,612
PDT Partners, LLC 0.58% 125,189 +83% 0.09% $1,681,288
MILLENNIUM MANAGEMENT LLC 0.48% 105,185 +17% 0% $1,412,635
JPMORGAN CHASE & CO 0.48% 103,852 +133% 0% $1,413,426
BNP PARIBAS FINANCIAL MARKETS 0.44% 94,652 0% 0% $1,271,176
JANE STREET GROUP, LLC 0.42% 90,354 -27% 0% $1,213,454
Point Nemo Capital, LLC 0.4% 86,535 0.6% $1,162,165
Marnell Management LLC 0.36% 78,605 +99% 0.54% $1,055,665
Point72 Asset Management, L.P. 0.36% 78,372 -55% 0% $1,052,536
Janney Montgomery Scott LLC 0.34% 72,961 0% $980,000
Campbell & CO Investment Adviser LLC 0.31% 68,114 +63% 0.05% $914,771
SIERRA SUMMIT ADVISORS LLC 0.31% 67,362 0.1% $904,672
Cambridge Investment Research Advisors, Inc. 0.25% 54,104 +198% 0% $727,000
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.23% 50,320 -55% 0% $675,798
Engineers Gate Manager LP 0.23% 49,871 -37% 0.01% $669,768
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.22% 48,431 +73% 0.01% $650,428
Numerai GP LLC 0.22% 47,769 -56% 0.05% $641,538

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
15
Headline period
Q2 2026
Rows shown
1-15 of 15
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 174,452 $2,861,872 +$2,149,865 $16.41 11
2026 Q2 5,077,207 $68,204,047 -$3,322,377 $13.43 76
2026 Q1 5,330,412 $68,775,911 +$27,134,015 $12.91 66
2025 Q4 3,169,221 $29,259,085 +$9,443,450 $9.23 48
2025 Q3 2,175,339 $17,967,650 +$3,891,941 $8.26 46
2025 Q2 1,723,994 $10,879,030 -$3,816,516 $6.31 33
2025 Q1 2,322,256 $14,865,074 -$12,785,440 $6.40 38
2024 Q4 4,298,389 $29,878,552 +$1,996,878 $6.95 57
2024 Q3 3,766,992 $46,791,321 -$6,551,129 $12.42 53
2024 Q2 4,355,327 $42,987,378 +$22,303,409 $9.87 56
2024 Q1 2,107,408 $18,335,648 +$8,551,951 $8.70 44
2023 Q4 1,197,259 $9,374,631 +$6,145,888 $7.83 32
2023 Q3 416,369 $2,307,343 +$615,701 $5.52 22
2023 Q2 311,656 $1,504,086 -$1,156,467 $4.82 20
2023 Q1 536,725 $2,719,664 +$2,719,610 $5.06 20
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