$ETRA

$8.37 -$0.34 (3.9%) Close

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

Ownership

13F as of Q2 2026 · 62.8M shares outstanding

Who owns ETRA?

By type of holder

Institutions 0.0% Insiders 11.5% Everyone else 88.5%

Concentration Top 8 holders own 26.1%

Orbimed Advisors LLC 11.0% · Orbimed Capital GP Vii LLC 8.2%

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 Electra Therapeutics, Inc. in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for Electra Therapeutics, Inc..

How patient are the owners?

No 13F manager reports holding ETRA.

Super Investors

Investment managers reporting ETRA on Form 13F

No 13F manager reports holding ETRA yet.

Institutional Funds

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

No fund reports holding ETRA 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
OA Orbimed Advisors LLC 5%+ holder 13D · 11.0%	6.9M	10.97%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company10.970% Disclosed stake13D · 11.0% View the 13D/G filing →
OC Orbimed Capital GP Vii LLC 5%+ holder 13D · 8.2%	5.1M	8.17%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company8.170% Disclosed stake13D · 8.2% View the 13D/G filing →

Orbimed Advisors LLC

5%+ holder13D · 11.0%

6.9M

% of company

10.97%

Change vs last qtr

—

Held since

—

Orbimed Capital GP Vii LLC

5%+ holder13D · 8.2%

5.1M

% of company

8.17%

Change vs last qtr

—

Held since

—

6 more holders behind a free account

See every insider and 5%+ holder of Electra Therapeutics, Inc..

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