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Equibles

SHIP

Seanergy Maritime Holdings Corp.

Company with tickers: SHIP

CIK
1448397
CUSIP
Y73760400
Shares Outstanding
21,668,198
13F Activity (30d)
51 filings 49 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 66
Total Value: $74,088,414
Total Shares: 5,738,842

Institutional Ownership Trend

15 quarters

Holder Concentration

Across 66 13F filers · Δ vs Dec 31, 2025
Top Holder
14.2%
Dec 2023 → Mar 2026 · range 14.0% – 27.7%
−4.9 pts
Top 5
49.1%
Dec 2023 → Mar 2026 · range 45.1% – 64.8%
−7.6 pts
Top 10
67.0%
Dec 2023 → Mar 2026 · range 62.7% – 86.9%
−9.5 pts
HHI
632
Dec 2023 → Mar 2026 · range 632 – 1,257
Broadly held−244

Quarterly Activity

vs Dec 31, 2025
New
22
Increased
28
Decreased
12
Sold Out
4
Unchanged
4
Holder count: +18
Institutional value: +118.0%
Shares held: +55.8%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega GOLDMAN SACHS GROUP INC +583,083 814,553
Mega TWO SIGMA INVESTMENTS, LP +417,345 556,456
Large ACADIAN ASSET MANAGEMENT LLC +327,341 335,588
Large RENAISSANCE TECHNOLOGIES LLC +88,800 652,300
Mega BNP PARIBAS ARBITRAGE, SA +72,335 96,135

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP −246,085 457,979
Mega MILLENNIUM MANAGEMENT LLC −203,374 89,846
Large MACKENZIE FINANCIAL CORP −50,939 18,860
Mega BlackRock, Inc. −28,080 34,844
Mid XTX Topco Ltd −14,160 26,271

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Large MARSHALL WACE, LLP 174,347 $2,250,819
Small Numerai GP LLC 109,068 $1,408,067
Mega RAYMOND JAMES FINANCIAL INC 81,320 $1,049,840
Mid WINTON GROUP Ltd 44,003 $568,078
Small Marnell Management LLC 39,559 $510,706

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Large TWO SIGMA ADVISERS, LP 38,146 $352,087
Micro WMG Financial Advisors, LLC 17,309 $159,762
Mega CITIGROUP INC 1,242 $11,463
Large NewEdge Advisors, LLC 814 $7,513
Filter: New 22 Increased 28 Reduced 12 Sold out 4 Unchanged 4
Showing 69 of 69
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega GOLDMAN SACHS GROUP INC $10,515,878 14.19% 814,553
Large RENAISSANCE TECHNOLOGIES LLC $8,421,193 11.37% 652,300
Mega TWO SIGMA INVESTMENTS, LP $7,183,846 9.70% 556,456
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $4,457,823 6.02% 345,300
Large ACADIAN ASSET MANAGEMENT LLC $4,332,441 5.85% 335,588
Large Walleye Capital LLC $3,711,741 5.01% 287,509
Mega MORGAN STANLEY $3,016,884 4.07% 233,686
Large MARSHALL WACE, LLP $2,250,819 3.04% 174,347
Large Point72 Asset Management, L.P. $2,228,278 3.01% 172,601
Mega BANK OF AMERICA CORP /DE/ Bank $2,065,238 2.79% 159,972
Mega JANE STREET GROUP, LLC $1,589,388 2.15% 123,113
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,454,685 1.96% 112,679
Mid Jump Financial, LLC $1,434,301 1.94% 111,100
Small Numerai GP LLC $1,408,067 1.90% 109,068
Mega BNP PARIBAS ARBITRAGE, SA $1,241,102 1.68% 96,135
Mega D. E. Shaw & Co., Inc. $1,166,444 1.57% 90,352
Mega MILLENNIUM MANAGEMENT LLC $1,159,911 1.57% 89,846
Large Qube Research & Technologies Ltd $1,152,282 1.56% 89,255
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $1,065,810 1.44% 82,557
Mega RAYMOND JAMES FINANCIAL INC $1,049,840 1.42% 81,320
Mid Engineers Gate Manager LP $1,024,524 1.38% 79,359
Large Squarepoint Ops LLC $973,194 1.31% 75,383
Mid PDT Partners, LLC $884,412 1.19% 68,506
Large Centiva Capital, LP $807,146 1.09% 62,521
Mega CITADEL ADVISORS LLC $638,515 0.86% 49,459
Mega CITADEL ADVISORS LLC $632,590 0.85% 49,000
Mega JPMORGAN CHASE & CO $574,327 0.78% 44,487
Mid WINTON GROUP Ltd $568,078 0.77% 44,003
Mid Campbell & CO Investment Adviser LLC $539,353 0.73% 41,778
Small Triumph Capital Management $535,571 0.72% 41,485
Small Marnell Management LLC $510,706 0.69% 39,559
Mega BlackRock, Inc. $449,835 0.61% 34,844
Small AXQ CAPITAL, LP $436,706 0.59% 33,827
Small R Squared Ltd $375,190 0.51% 29,062
Mega STATE STREET CORP $374,299 0.51% 28,993
Mid SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC $361,518 0.49% 28,003
Mid XTX Topco Ltd $339,158 0.46% 26,271
Large Cetera Investment Advisers $264,706 0.36% 20,504
Small nVerses Capital, LLC $254,985 0.34% 19,751
Mid Graham Capital Management, L.P. $252,777 0.34% 19,580
Large MACKENZIE FINANCIAL CORP $243,482 0.33% 18,860
Large Cambridge Investment Research Advisors, Inc. $234,251 0.32% 18,145
Large Schonfeld Strategic Advisors LLC $222,465 0.30% 17,232
Mega BARCLAYS PLC $198,917 0.27% 15,408
Mega CITADEL ADVISORS LLC $182,031 0.25% 14,100
Micro Semanteon Capital Management, LP $172,180 0.23% 13,337
Large TRUIST FINANCIAL CORP $167,830 0.23% 13,000
Large COMMONWEALTH EQUITY SERVICES, LLC $158,793 0.21% 12,300
Mega GEODE CAPITAL MANAGEMENT, LLC $152,802 0.21% 11,836
Mid Quadrature Capital Ltd $151,744 0.20% 11,754
Large HRT FINANCIAL LP $141,777 0.19% 10,982
Mid SIMPLEX TRADING, LLC $83,166 0.11% 6,442
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $67,144 0.09% 5,201
Large Russell Investments Group, Ltd. $44,810 0.06% 3,471
Mega WELLS FARGO & COMPANY/MN $35,231 0.05% 2,729
Mega UBS Group AG $27,756 0.04% 2,150
Small Founders Capital Management $25,820 0.03% 2,000
Large HUNTINGTON NATIONAL BANK Bank $21,947 0.03% 1,700
Large Federation des caisses Desjardins du Quebec $17,609 0.02% 1,364
Mega ROYAL BANK OF CANADA Bank $9,424 0.01% 730
Mid Farther Finance Advisors, LLC $6,455 0.01% 500
Small Strive Financial Group ,LLC $6,455 0.01% 500
Large OSAIC HOLDINGS, INC. $3,885 0.01% 301
Mid SBI Securities Co., Ltd. Broker-Dealer $2,646 0.00% 205
Micro VISION FINANCIAL MARKETS LLC $2,582 0.00% 200
Mid Advisory Services Network, LLC $1,936 0.00% 150
Micro Key Capital Management, INC $890 0.00% 69
Micro Robinswood Financial LLC $645 0.00% 50
Mid Tower Research Capital LLC (TRC) $180 0.00% 14

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