$RADX

$1.00 -$0.01 (1.39%) Close

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

Ownership

13F as of Q2 2026 · 3.54B shares outstanding

Who owns RADX?

By type of holder

Institutions 1.4% Insiders 0.0% Everyone else 98.6%

Concentration Top 6 holders own 1.4%

Stonepine Capital Management, LLC 1.4% · HSBC Holdings PLC 0.0%

Institutional ownership

1.4%

-0.0 pts vs last qtr

Institutional holders

-1 vs last qtr

Net shares bought

−184.0K

by institutions in Q2 2026

New / sold out

0 / 1

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

PNC Financial Services Group, Inc. +4.0K
HSBC Holdings PLC +816

Biggest sellers in Q2 2026

Silverarc Capital Management, LLC SOLD OUT −187.4K
UBS Group AG −1.5K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Radiopharm Theranostics Ltd in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for Radiopharm Theranostics Ltd.

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years0% Under 1 year100%

Quarterly turnover

0.2%

of institutional shares changed hands

Top 10 managers, median time held

1 year

Super Investors

Investment managers reporting RADX on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
SC Stonepine Capital Management, LLC	51.0M	1.44%	Unchanged	Q4 '25	0.4%
Shares held by quarter Peak holding51.0M (Q4'25) Change over 8 quarters+51.0M Share of the company1.440% Stonepine Capital Management, LLC's full portfolio →
SC Silverarc Capital Management, LLC	—	—	SOLD OUT	—	0.0%
Shares held by quarter Peak holding187.4K (Q4'24) Change over 8 quarters0 Silverarc Capital Management, LLC's full portfolio →

Stonepine Capital Management, LLC

51.0M

% of company

1.44%

Change vs last qtr

Unchanged

Held since

Q4 '25

Silverarc Capital Management, LLC

—

% of company

—

Change vs last qtr

SOLD OUT

Held since

—

5 more super investors behind a free account

See every manager holding Radiopharm Theranostics Ltd, how their position has changed, and how long they've held it.

Institutional Funds

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

No fund reports holding RADX yet.

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