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 Q2 2026

Latest Period

Q2 2026

Institutions Reporting

76

Shares (Excl. Options)

5,077,207

Price

$13.43

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Latest holder snapshot 5 signals
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
21,605,039
SEC-reported price per share
$14.79
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

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 $68,775,911 to $68,204,047.

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

Latest holder period

Q2 2026

13F holders

76

13D/G owners

3

CIK / CUSIP context first

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
Konstantakopoulos Konstantinos 10% -23% $29,860,325 -$7,586,401 2,203,714 -20% Konstantakopoulos Konstantinos 31 Mar 2026
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

As of 30 Jun 2026, 76 institutional investors reported holding 5,077,207 shares of Seanergy Maritime Holdings Corp. - Common Stock, par value $0.0001 per share (SHIP). This represents 24% of the company’s total 21,605,039 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 0.49% 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 0.32% 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
14
Latest
Q2 2026
Rows shown
1-14 of 14
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
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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