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

13F Institutional Holders and Ownership History from Q1 2023 to Q4 2025

Type / Class
Equity / Common Stock, par value $0.0001 per share
Symbol
SHIP on Nasdaq
Shares outstanding
20,936,333
Price per share
$9.85
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
3,169,721
Total reported value
$29,263,700
% of total 13F portfolios
0%
Share change
+1,027,473
Value change
+$9,577,450
Number of holders
49
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Seanergy Maritime Holdings Corp. - Common Stock, par value $0.0001 per share (SHIP) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Konstantakopoulos Konstantinos 13% +21% $19,013,540 +$3,747,171 2,763,596 +25% Konstantakopoulos Konstantinos 30 Jun 2025
Tsantanis Stamatios 8.3% $9,822,173 1,696,403 Tsantanis Stamatios 28 Feb 2025

As of 31 Dec 2025, 49 institutional investors reported holding 3,169,721 shares of Seanergy Maritime Holdings Corp. - Common Stock, par value $0.0001 per share (SHIP). This represents 15% of the company’s total 20,936,333 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Seanergy Maritime Holdings Corp. - Common Stock, par value $0.0001 per share (SHIP) together control 14% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
RENAISSANCE TECHNOLOGIES LLC 2.7% 563,500 +0.68% 0.01% $5,201,105
Walleye Capital LLC 1.4% 294,523 +674% 0.02% $2,718,447
MILLENNIUM MANAGEMENT LLC 1.4% 293,220 +401% 0% $2,706,421
GOLDMAN SACHS GROUP INC 1.1% 231,470 -2% 0% $2,136,468
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.99% 206,864 +54% 0% $1,909,355
MORGAN STANLEY 0.87% 182,921 +20% 0% $1,688,361
Point72 Asset Management, L.P. 0.74% 155,183 0% $1,432,339
BANK OF AMERICA CORP /DE/ 0.72% 151,172 +551% 0% $1,395,317
TWO SIGMA INVESTMENTS, LP 0.66% 139,111 +51% 0% $1,283,995
JANE STREET GROUP, LLC 0.48% 100,363 +236% 0% $926,350
Jump Financial, LLC 0.36% 75,555 +116% 0.01% $697,373
MACKENZIE FINANCIAL CORP 0.33% 69,799 +67% 0% $647,854
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.31% 65,283 -23% 0% $602,562
BlackRock, Inc. 0.3% 62,924 -16% 0% $580,788
CITADEL ADVISORS LLC 0.27% 56,323 -31% 0% $519,861
Engineers Gate Manager LP 0.21% 43,949 +119% 0% $405,649
Triumph Capital Management 0.2% 42,254 -1.5% 0.08% $390,004
D. E. Shaw & Co., Inc. 0.2% 41,195 0% $380,230
XTX Topco Ltd 0.19% 40,431 0.01% $373,178
TWO SIGMA ADVISERS, LP 0.18% 38,146 -39% 0% $352,088
STATE STREET CORP 0.14% 29,512 +1.8% 0% $276,232
Campbell & CO Investment Adviser LLC 0.14% 28,404 +100% 0.01% $262,169
Squarepoint Ops LLC 0.13% 26,358 0% $243,284
BNP PARIBAS FINANCIAL MARKETS 0.11% 23,800 0% 0% $219,674
Cetera Investment Advisers 0.09% 19,675 0% $181,600

Institutional Holders of Seanergy Maritime Holdings Corp. - Common Stock, par value $0.0001 per share (SHIP) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 3,169,721 $29,263,700 +$9,577,450 $9.23 49
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