
Heidmar Maritime Holdings Corp.
Heidmar Maritime Holdings Corp. (HMR) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · HMR · as of Sep 30, 2025
Ownership Breakdown
6
Institutional Holders
$154,260
Total Inst. Value
▼ $82,345 vs Q2
58.99M
Shares Outstanding
freeFloat 98.94%
117,240
13F Shares Held
▼ 21,408 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
HMR largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 9 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
UBS GROUP AG deep sea foreign transportation of freight | 45.4K | 7.78% | 7.78% | $59.88M | Nov 13, 2025 | ▼ 16.8K |
GEODE CAPITAL MANAGEMENT, LLC deep sea foreign transportation of freight | 36.6K | 6.28% | 6.28% | $47.98M | Nov 12, 2025 | — held |
CITADEL ADVISORS LLC deep sea foreign transportation of freight | 13.0K | 2.24% | 2.24% | $17.09M | Nov 14, 2025 | NEW |
KESTRA PRIVATE WEALTH SERVICES, LLC deep sea foreign transportation of freight | 10.9K | 1.87% | 1.87% | $14.40M | Nov 17, 2025 | NEW |
TWO SIGMA SECURITIES, LLC deep sea foreign transportation of freight | 10.9K | 1.87% | 1.87% | $14.38M | Nov 14, 2025 | NEW |
BANK OF AMERICA CORP /DE/ deep sea foreign transportation of freight | 400 | 0.07% | 0.07% | $528,000 | Feb 3, 2026 | — held |
TOWER RESEARCH CAPITAL LLC (TRC) deep sea foreign transportation of freight | 0 | 0.00% | 0.00% | $0 | Nov 14, 2025 | EXIT |
VIRTU FINANCIAL LLC deep sea foreign transportation of freight | 0 | 0.00% | 0.00% | $0 | Nov 14, 2025 | EXIT |
MILLENNIUM MANAGEMENT LLC deep sea foreign transportation of freight | 0 | 0.00% | 0.00% | $0 | Nov 14, 2025 | EXIT |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
0
Increased
+0 shares3
New Positions
first time holders1
Decreased
−16.8K shares3
Sold Out
fully exitedNet shares change (top 50)
16.8K
+0 / −16.8K
Net new holders
-1
3 new / 3 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
HMR insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
3
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Loutradis Vasileios director | Apr 1, 2026 | Award | 104,954 | — | — | 126.6K | Form 4 ↗ |
Konialidis Andreas director | Apr 1, 2026 | Award | 104,954 | — | — | 113.3K | Form 4 ↗ |
Fotiou Elpiniki Chief Financial Officer | Apr 1, 2026 | Award | 34,985 | — | — | 88.6K | Form 4 ↗ |
Shelley John Robert director | Mar 31, 2026 | Award | 8,333 | — | — | 21.7K | Form 4 ↗ |
Khanna Pankaj Ramesh Chief Executive Officer | Mar 31, 2026 | Award | 8,333 | — | — | 72.6K | Form 4 ↗ |
Konialidis Andreas director | Mar 31, 2026 | Award | 8,333 | — | — | 8.3K | Form 4 ↗ |
Loutradis Vasileios director | Mar 31, 2026 | Award | 8,333 | — | — | 21.6K | Form 4 ↗ |
Lockhorst Andre Lennert director | Mar 31, 2026 | Award | 8,333 | — | — | 21.7K | Form 4 ↗ |
MURSTEIN ANDREW Secretary | Jan 12, 2010 | Purchase | 900 | $9.85 | $8.9K | 4.93M | Form 4 ↗ |
MURSTEIN ANDREW Secretary | Dec 23, 2009 | Purchase | 1,300 | $9.95 | $12.9K | 4.93M | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Heidmar Maritime Holdings Corp. (HMR) is primarily owned by institutional investors, who hold approximately 0.2% of total shares outstanding. Company insiders own approximately 1.06%, while retail and public investors account for the remaining 98.74%.
The largest institutional shareholder of Heidmar Maritime Holdings Corp. is UBS GROUP AG, holding approximately 45,362 shares — equal to 7.78% of outstanding shares — as of September 30, 2025.
A total of 6 institutional investors currently hold HMR stock, with a combined institutional value of approximately $154,260 as of the most recent 13F filing period.
Frequently asked questions
HMR ownershipHeidmar Maritime Holdings Corp. (HMR) is primarily owned by institutional investors, who hold approximately 0.2% of shares. The largest shareholder is UBS GROUP AG with a 7.78% stake. Company insiders hold 1.06%. Data sourced from SEC Form 13F as of September 30, 2025.