RADX
Radiopharm Theranostics LtdCompany with tickers: RADX, RDPTF
CIK
1949257
CUSIP
75041J101
Shares Outstanding
7,883,165
Price History
Institutional Holders
Short Volume
Short Interest
Fails to Deliver
Financials
SEC Filings
Earnings Calls
Insider Trades
Congressional Trades
Holders: 6
Total Value: $220,451,963
Total Shares: 51,267,899
Institutional Ownership Trend
Holder Concentration
Across 6 13F filers · Δ vs Dec 31, 2025Top Holder
99.5%
+0.5 pts
Top 5
100.0%
+0.1 pts
Top 10
100.0%
+0.0 pts
HHI
9,896
Highly concentrated
+104
Quarterly Activity
vs Dec 31, 2025
New
5
Increased
0
Decreased
1
Sold Out
10
Unchanged
0
Holder count:
-5
Institutional value:
-18.1%
Shares held:
-0.5%
Top Buyers
vs Dec 31, 2025No qualifying movers this quarter.
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds |
|---|---|---|
| Mega HSBC HOLDINGS PLC | −130,252 | 61,372 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) |
|---|---|---|
| Small Stonepine Capital Management, LLC | 51,000,000 | $219,300,000 |
| Small SILVERARC CAPITAL MANAGEMENT, LLC | 187,406 | $805,845 |
| Mid PNC FINANCIAL SERVICES GROUP, INC. | 16,000 | $68,800 |
| Mega UBS Group AG | 3,000 | $12,899 |
| Mega RHUMBLINE ADVISERS | 121 | $520 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) |
|---|---|---|
| Small Stonepine Capital Management, LLC | 51,000,000 | $266,220,000 |
| Small SILVERARC CAPITAL MANAGEMENT, LLC | 187,406 | $978,259 |
| Mid VGI Partners Ltd | 90,909 | $474,544 |
| Mega PNC Financial Services Group, Inc. | 16,000 | $83,520 |
| Mid Virtu Financial LLC | 14,591 | $76,165 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Action | |
|---|---|---|---|---|---|---|---|---|
| Small Stonepine Capital Management, LLC | $219,300,000 | 99.48% | 51,000,000 | Shares | Sole | 2026-05-14 | View | |
| Small SILVERARC CAPITAL MANAGEMENT, LLC | $805,845 | 0.37% | 187,406 | Shares | Sole | 2026-05-14 | View | |
| Mega HSBC HOLDINGS PLC | $263,899 | 0.12% | 61,372 | Shares | Defined | 2026-04-30 | View | |
| Mid PNC FINANCIAL SERVICES GROUP, INC. | $68,800 | 0.03% | 16,000 | Shares | Defined | 2026-05-08 | View | |
| Mega UBS Group AG | $12,899 | 0.01% | 3,000 | Shares | Defined | 2026-05-05 | View | |
| Mega RHUMBLINE ADVISERS | $520 | 0.00% | 121 | Shares | Sole | 2026-05-12 | View | |
| No holders match your search. | ||||||||