$APTN

$6.27 +$0.00 (0.0%) Close

$APTN Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 9.2M shares outstanding

Who owns APTN?

By type of holder

Institutions 0.0% Insiders 68.6% Everyone else 31.4%

Concentration Top 3 holders own 68.7%

Lucius Partners LLC 35.2% · Michael J. Roberts 23.4%

Institutional ownership

0.0%

0.0 pts vs last qtr

Institutional holders

0 vs last qtr

Net shares bought

by institutions in Q2 2026

New / sold out

0 / 0

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

No 13F manager has reported this stock in the last 8 quarters.

Biggest buyers in Q2 2026

None.

Biggest sellers in Q2 2026

None.

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Adaptin Bio Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2023–FY2025

+56.2%

+25.00% a year

Each share's claim on the business

−36.0%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $497K

over 3 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

No 13F manager reports holding APTN.

Super Investors

Investment managers reporting APTN on Form 13F

No 13F manager reports holding APTN yet.

Institutional Funds

Mutual funds and ETFs reporting APTN on Form N-PORT; together they hold 0.0% of the company

No fund reports holding APTN yet.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
LP Lucius Partners LLC Insider	3.3M	35.20%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company35.200% Lucius Partners LLC's insider activity →
MJ Michael J. Roberts 5%+ holder 13D · 26.7%	2.2M	23.39%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company23.390% Disclosed stake13D · 26.7% View the 13D/G filing →

Lucius Partners LLC

Insider

3.3M

% of company

35.20%

Change vs last qtr

—

Held since

—

Michael J. Roberts

5%+ holder13D · 26.7%

2.2M

% of company

23.39%

Change vs last qtr

—

Held since

—

1 more holders behind a free account

See every insider and 5%+ holder of Adaptin Bio Inc.

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