SHIP · Seanergy Maritime Holdings Corp. · Holdings
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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.
Institutional Ownership Trend
Holder Concentration
Across 76 13F filersWho Holds SHIP
Last 8 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 76 filers, like-for-like change -4.8%; actively managed books -4.3%; index-like books -6.4%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 48.4% | 34 | -1.1% |
| Exempt adviser | 7.3% | 3 | +34.7% |
| Adviser | 1.4% | 1 | new |
| Bank | 6.4% | 8 | +20.8% |
| Broker-dealer | 0.7% | 1 | new |
| Non-US | 1.9% | 2 | -1.5% |
| Holding company | 20.0% | 4 | -6.5% |
| Unknown | 13.9% | 23 | -37.1% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 20.8% | 6 | -6.4% |
| Systematic-like | 36.5% | 17 | -12.3% |
| Concentrated | 0.3% | 4 | +2630.4% |
| Diversified active | 42.4% | 49 | +3.0% |
| Unknown | 0.0% | 0 | — |
| Not measured | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 31.3% | 30 | +6.5% |
| Medium turnover | 12.8% | 11 | -2.0% |
| High turnover | 52.3% | 30 | -14.7% |
| Unknown | 3.6% | 5 | +205.9% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 9.0% | 15 | +30.0% |
| Medium horizon | 4.8% | 11 | -28.2% |
| Long horizon | 55.7% | 39 | -9.3% |
| Unknown | 30.4% | 11 | +1.7% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 7.2% | 13 | +102.9% |
| $1B to $10B | 9.6% | 16 | +0.2% |
| $10B to $100B | 32.0% | 22 | -11.4% |
| $100B or more | 51.2% | 25 | -8.1% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 5.6% | 14 | +268.4% |
| Pooled investment vehicles | 39.7% | 17 | -13.0% |
| Registered funds and BDCs | 0.2% | 1 | 0.0% |
| Diversified | 1.3% | 1 | +63.0% |
| Unknown | 53.1% | 43 | -6.5% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 49.4% | 20 | -3.6% |
| Private equity funds | 0.0% | 1 | new |
| Real estate funds | 0.0% | 0 | — |
| Other private funds | 0.2% | 1 | -46.2% |
| Private funds, type not stated | 0.3% | 1 | -67.4% |
| No private funds | 5.8% | 14 | +232.7% |
| Unknown | 44.2% | 39 | -12.5% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 90.9% | 64 | -6.1% |
| Outside the US | 9.1% | 12 | +11.4% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Conviction and Crowding
76 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 98.4% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shareholder Targets
13F filers that own its peers but not SHIP, quarter ended Jun 30, 2026Found through its holder-overlap peers: FRO, BRK-B. 5,022 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC Registered adviser, Index-like | $60,414,796,855 2 held | BRK-B, FRO |
| 2 | FMR LLC Holding company, Diversified active | $16,327,059,288 2 held | BRK-B, FRO |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser, Diversified active | $13,738,635,403 1 held | BRK-B |
| 4 | NORGES BANK Non-US, Index-like | $12,162,379,101 1 held | BRK-B |
| 5 | FIRST MANHATTAN CO. LLC. Adviser, Concentrated | $11,226,371,859 2 held | BRK-B, FRO |
| 6 | NORTHERN TRUST CORP Bank, Index-like | $7,877,535,696 2 held | BRK-B, FRO |
| 7 | GATES FOUNDATION TRUST Unknown, Concentrated | $7,350,651,039 1 held | BRK-B |
| 8 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser, Diversified active | $5,849,991,970 2 held | BRK-B, FRO |
| 9 | Bank of New York Mellon Corp Bank, Index-like | $5,466,924,877 2 held | BRK-B, FRO |
| 10 | VANGUARD FIDUCIARY TRUST CO Unknown, Index-like | $5,203,619,938 2 held | BRK-B, FRO |
Fund Ownership of SHIP by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 0.00% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 0.00% | 410 |
| Index ETFs | 0.00% | 0 |
| Active ETFs | 0.00% | 0 |
| Active funds | 0.67% | 144,639 |
| Unclassified | 0.00% | 0 |
| All registered funds | 0.67% | 145,049 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega GOLDMAN SACHS GROUP INC Holding company | $10,179,106 | 13.97% | 757,938 | Shares | 2026-08-14 | |
| Large RENAISSANCE TECHNOLOGIES LLC Registered adviser | $8,180,213 | 11.23% | 609,100 | Shares | 2026-08-13 | |
| Mega TWO SIGMA INVESTMENTS, LP Registered adviser | $7,284,405 | 10.00% | 542,398 | Shares | 2026-08-14 | |
| Large Walleye Capital LLC Registered adviser | $4,060,963 | 5.57% | 302,380 | Shares | 2026-08-03 | |
| Large ACADIAN ASSET MANAGEMENT LLC | $2,986,711 | 4.10% | 222,391 | Shares | 2026-08-13 | |
| Mega MARSHALL WACE, LLP Exempt adviser | $2,953,928 | 4.05% | 219,950 | Shares | 2026-08-13 | |
| Mega MORGAN STANLEY Holding company | $2,930,088 | 4.02% | 218,175 | Shares | 2026-08-13 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $2,336,820 | 3.21% | 174,000 | Put | 2026-08-14 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $2,170,932 | 2.98% | 161,648 | Shares | 2026-08-14 | |
| Mega Qube Research & Technologies Ltd Exempt adviser | $1,835,612 | 2.52% | 136,680 | Shares | 2026-08-14 | |
| Mid PDT Partners, LLC Registered adviser | $1,681,288 | 2.31% | 125,189 | Shares | 2026-08-14 | |
| Mega MILLENNIUM MANAGEMENT LLC Registered adviser | $1,412,634 | 1.94% | 105,185 | Shares | 2026-08-14 | |
| Small Point Nemo Capital, LLC Registered adviser | $1,408,191 | 1.93% | 85,813 | Shares | 2026-11-03 | |
| Mega JPMORGAN CHASE & CO Bank | $1,394,732 | 1.91% | 103,852 | Shares | 2026-08-12 | |
| Mega BNP PARIBAS ARBITRAGE, SA Non-US | $1,271,176 | 1.74% | 94,652 | Shares | 2026-08-13 | |
| Mega JANE STREET GROUP, LLC | $1,213,453 | 1.67% | 90,354 | Shares | 2026-08-14 | |
| Small Marnell Management LLC Registered adviser | $1,055,665 | 1.45% | 78,605 | Shares | 2026-08-13 | |
| Large Point72 Asset Management, L.P. Registered adviser | $1,052,535 | 1.44% | 78,372 | Shares | 2026-08-14 | |
| Large Janney Montgomery Scott LLC Adviser | $979,866 | 1.35% | 72,961 | Shares | 2026-08-05 | |
| Mid Sigma Planning Corp Registered adviser | $918,960 | 1.26% | 56,000 | Shares | 2026-10-23 | |
| Mid Campbell & CO Investment Adviser LLC Registered adviser | $914,771 | 1.26% | 68,114 | Shares | 2026-08-03 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $675,797 | 0.93% | 50,320 | Shares | 2026-08-14 | |
| Small Triumph Capital Management Registered adviser | $674,910 | 0.93% | 41,128 | Shares | 2026-10-14 | |
| Mid Engineers Gate Manager LP | $669,767 | 0.92% | 49,871 | Shares | 2026-08-14 | |
| Large Cambridge Investment Research Advisors, Inc. | $667,476 | 0.92% | 40,675 | Shares | 2026-11-02 | |
| Mid SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | $650,428 | 0.89% | 48,431 | Shares | 2026-08-14 | |
| Mid Numerai GP LLC Registered adviser | $641,537 | 0.88% | 47,769 | Shares | 2026-08-14 | |
| Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Registered adviser | $599,783 | 0.82% | 44,660 | Shares | 2026-08-13 | |
| Mega LPL Financial LLC Broker-dealer | $495,096 | 0.68% | 36,865 | Shares | 2026-08-07 | |
| Mid Y-Intercept (Hong Kong) Ltd Exempt adviser | $481,354 | 0.66% | 29,333 | Shares | 2026-10-16 | |
| Mega BlackRock, Inc. Holding company | $474,158 | 0.65% | 35,306 | Shares | 2026-08-07 | |
| Mid WINTON GROUP Ltd | $440,638 | 0.60% | 32,810 | Shares | 2026-08-07 | |
| Large Jump Financial, LLC | $437,239 | 0.60% | 32,557 | Shares | 2026-08-13 | |
| Large Centiva Capital, LP Registered adviser | $435,118 | 0.60% | 32,399 | Shares | 2026-08-13 | |
| Large DAVENPORT & Co LLC Registered adviser | $434,142 | 0.60% | 26,456 | Shares | 2026-10-14 | |
| Mega STATE STREET CORP Bank | $379,222 | 0.52% | 28,237 | Shares | 2026-09-22 | |
| Small R Squared Ltd | $375,717 | 0.52% | 27,976 | Shares | 2026-08-05 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $366,437 | 0.50% | 27,285 | Shares | 2026-09-02 | |
| Mid NAVELLIER & ASSOCIATES INC Registered adviser | $355,304 | 0.49% | 26,456 | Shares | 2026-08-04 | |
| Small EntryPoint Capital, LLC Registered adviser | $352,725 | 0.48% | 26,264 | Shares | 2026-08-13 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $331,721 | 0.46% | 24,700 | Call | 2026-09-02 | |
| Large NewEdge Advisors, LLC Registered adviser | $289,497 | 0.40% | 21,556 | Shares | 2026-08-12 | |
| Mega Cetera Investment Advisers Registered adviser | $264,033 | 0.36% | 19,660 | Shares | 2026-08-12 | |
| Large HRT FINANCIAL LP | $262,516 | 0.36% | 19,547 | Shares | 2026-08-14 | |
| Mid INDEPENDENT FINANCIAL GROUP, LLC Registered adviser | $255,027 | 0.35% | 15,541 | Shares | 2026-10-13 | |
| Mega RAYMOND JAMES FINANCIAL INC | $250,979 | 0.34% | 18,688 | Shares | 2026-08-14 | |
| Micro nVerses Capital, LLC Registered adviser | $234,568 | 0.32% | 17,466 | Shares | 2026-08-04 | |
| Micro Semanteon Capital Management, LP Exempt adviser | $219,311 | 0.30% | 16,330 | Shares | 2026-08-12 | |
| Large COMMONWEALTH EQUITY SERVICES, LLC Registered adviser | $207,455 | 0.28% | 12,642 | Shares | 2026-11-02 | |
| Mega BARCLAYS PLC Bank | $206,929 | 0.28% | 15,408 | Shares | 2026-08-14 | |
| Large TRUIST FINANCIAL CORP Bank | $200,202 | 0.27% | 12,200 | Shares | 2026-10-30 | |
| Mega D. E. Shaw & Co., Inc. | $198,978 | 0.27% | 14,816 | Shares | 2026-08-14 | |
| Mid Virtu Financial LLC | $197,501 | 0.27% | 14,706 | Shares | 2026-08-13 | |
| Mid XTX Topco Ltd | $197,044 | 0.27% | 14,672 | Shares | 2026-08-14 | |
| Large MACKENZIE FINANCIAL CORP Registered adviser | $188,157 | 0.26% | 11,466 | Shares | 2026-11-02 | |
| Mega JANE STREET GROUP, LLC | $183,991 | 0.25% | 13,700 | Call | 2026-08-14 | |
| Large Squarepoint Ops LLC Registered adviser | $175,530 | 0.24% | 13,070 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $170,561 | 0.23% | 12,700 | Put | 2026-09-02 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $158,957 | 0.22% | 11,836 | Shares | 2026-08-12 | |
| Large Balyasny Asset Management L.P. Registered adviser | $157,909 | 0.22% | 11,758 | Shares | 2026-08-14 | |
| Mid MANGROVE PARTNERS IM, LLC Registered adviser | $155,103 | 0.21% | 11,549 | Shares | 2026-08-14 | |
| Mid State of Wyoming | $84,019 | 0.12% | 5,120 | Shares | 2026-10-28 | |
| Large Steward Partners Investment Advisory, LLC Registered adviser | $72,830 | 0.10% | 5,423 | Shares | 2026-08-13 | |
| Large NEW YORK STATE COMMON RETIREMENT FUND | $69,849 | 0.10% | 5,201 | Shares | 2026-07-29 | |
| Small FNY Investment Advisers, LLC | $50,871 | 0.07% | 3,100 | Shares | 2026-10-16 | |
| Mid SIMPLEX TRADING, LLC | $42,747 | 0.06% | 3,183 | Shares | 2026-08-12 | |
| Small VISION FINANCIAL MARKETS LLC | $27,897 | 0.04% | 1,700 | Shares | 2026-10-22 | |
| Large HUNTINGTON NATIONAL BANK | $22,831 | 0.03% | 1,700 | Shares | 2026-08-13 | |
| Mega JONES FINANCIAL COMPANIES LLLP | $21,837 | 0.03% | 1,626 | Shares | 2026-08-14 | |
| Large OSAIC HOLDINGS, INC. Holding company | $21,058 | 0.03% | 1,568 | Shares | 2026-08-14 | |
| Mid NBC SECURITIES, INC. Registered adviser | $20,775 | 0.03% | 1,266 | Shares | 2026-10-26 | |
| Large Federation des caisses Desjardins du Quebec | $18,318 | 0.03% | 1,364 | Shares | 2026-08-14 | |
| Mega ROYAL BANK OF CANADA Bank | $16,142 | 0.02% | 1,202 | Shares | 2026-08-14 | |
| Mid SBI Securities Co., Ltd. Non-US | $10,650 | 0.01% | 649 | Shares | 2026-10-22 | |
| Micro Strategic Advocates LLC | $9,255 | 0.01% | 564 | Shares | 2026-11-03 | |
| Small GK Wealth Management LLC | $8,205 | 0.01% | 500 | Shares | 2026-10-09 | |
| Small Strive Financial Group ,LLC Registered adviser | $6,715 | 0.01% | 500 | Shares | 2026-08-17 | |
| Mega WELLS FARGO & COMPANY/MN Bank | $6,715 | 0.01% | 500 | Shares | 2026-08-14 | |
| Large Clearstead Advisors, LLC Registered adviser | $1,410 | 0.00% | 105 | Shares | 2026-08-06 | |
| Mid Ameritas Advisory Services, LLC Registered adviser | $1,343 | 0.00% | 100 | Shares | 2026-08-14 | |
| Small Key Capital Management, INC | $1,132 | 0.00% | 69 | Shares | 2026-11-03 | |
| Small Fortitude Family Office, LLC Registered adviser | $656 | 0.00% | 40 | Shares | 2026-10-14 | |
| Mega UBS Group AG Bank | $415 | 0.00% | 31 | Shares | 2026-08-13 | |
| Mega Russell Investments Group, Ltd. | $402 | 0.00% | 30 | Shares | 2026-08-06 | |
| Small Monetary Solutions, Ltd Registered adviser | $82 | 0.00% | 5 | Shares | 2026-10-22 |