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$HMR
$1.85 +$0.05 (2.78%) Close

Ownership

13F as of Q2 2026 · 58.4M shares outstanding

Who owns HMR?

By type of holder
Institutions 0.3% Insiders 0.0% Everyone else 99.7%
Concentration Top 10 holders own 90.2%
Rhea Marine Ltd. 44.9% · Maistros Shipinvest Corp. 44.9%
Institutional ownership
0.3%
+0.2 pts vs last qtr
Institutional holders
9
+4 vs last qtr
Net shares bought
+118.7K
by institutions in Q2 2026
New / sold out
5 / 1
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026
  • Renaissance Technologies LLC NEW +59.4K
  • Jane Street Group, LLC NEW +25.9K

Sign up to see all 5.

Biggest sellers in Q2 2026
  • Cygnus Capital Advisors, LLC SOLD OUT −4.7K
  • Kestra Private Wealth Services, LLC −1.6K

Who is planning to sell?

Notices of proposed sale, last 12 months
$310K
3 notices from 3 people
Shares covered
244.9K
0.42% of the company
Arranged in advance
0%
of the value is under a 10b5-1 plan
Under a 10b5-1 plan No plan
$0$152.0K$304.1KNovDecJanFebMarAprMayJun 2026: $304.1K without a planJunJul 2026: $6.0K without a planJulAugSepOct
Largest proposed sellers
  • Andreas Konialidis Director $165K
  • Vasileios Loutradis Director $139K

Sign up to see all 3.

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2022–FY2025
+3.9%
+1.28% a year
Each share's claim on the business
−3.7%
shrank without buying or selling a share
Diluted shares, split-adjusted
54.4M56.6M58.8M2022: 56.1M shares'222023: 57.1M shares'232024: 57.1M shares'242025: 58.3M shares'25

How patient are the owners?

Institutional shares by how long they've been held
5+ years0% 3–5 years0% 1–3 years23% Under 1 year77%
Quarterly turnover
88.1%
of institutional shares changed hands
Top 10 managers, median time held
0 quarters

Super Investors

Investment managers reporting HMR on Form 13F
RT
Renaissance Technologies LLC
Shares
59.4K
% of company
0.10%
Change vs last qtr
NEW
Held since
Q2 '26
GC
Geode Capital Management, LLC
Shares
44.5K
% of company
0.08%
Change vs last qtr
+7.8K (+21.4%)
Held since
2025

8 more super investors behind a free account

See every manager holding Heidmar Maritime Holdings Corp, how their position has changed, and how long they've held it.

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Institutional Funds

Mutual funds and ETFs reporting HMR on Form N-PORT; together they hold 0.0% of the company
No fund reports holding HMR yet.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G
RM
Rhea Marine Ltd.
5%+ holder13D · 44.9%
Shares
26.2M
% of company
44.92%
Change vs last qtr
—
Held since
—
MS
Maistros Shipinvest Corp.
5%+ holder13D · 44.9%
Shares
26.2M
% of company
44.92%
Change vs last qtr
—
Held since
—

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