Ownership

13F as of Q2 2026

Who owns RTSN?

Shares outstanding is not known for Retension Pharmaceuticals Inc., so ownership cannot be shown as a share of the company.

Institutional ownership

—

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 Retension Pharmaceuticals Inc. in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for Retension Pharmaceuticals Inc..

How patient are the owners?

No 13F manager reports holding RTSN.

Super Investors

Investment managers reporting RTSN on Form 13F

No 13F manager reports holding RTSN yet.

Institutional Funds

Mutual funds and ETFs reporting RTSN on Form N-PORT

No fund reports holding RTSN 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
BG B Group, Inc. Insider	833.3K	—	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. B Group, Inc.'s insider activity →
EK Eric Keller 5%+ holder 13D · 7.1%	598.6K	—	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Disclosed stake13D · 7.1% View the 13D/G filing →

B Group, Inc.

Insider

833.3K

% of company

—

Change vs last qtr

—

Held since

—

Eric Keller

5%+ holder13D · 7.1%

598.6K

% of company

—

Change vs last qtr

—

Held since

—

5 more holders behind a free account

See every insider and 5%+ holder of Retension Pharmaceuticals Inc..

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