Who owns Radiopharm Theranostics Ltd?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of RADX from SEC Form 13F filings across 7 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 7 institutions disclosed 102.1M shares of Radiopharm Theranostics Ltd worth $1.3M — about 3% of shares outstanding; the largest disclosed holder is Stonepine Capital Management, LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
7
13F holders
$1.3M
value, 2026 filers
3%
of shares outstanding (102.1M sh)
1
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of RADX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Stonepine Capital Management, LLC | 102.0M | $794,013 | 0.4% | 3% | +100.0% |
| 2 | HSBC HOLDINGS PLC | 62,188 | $253,727 | 0.0% | 0% | +1.3% |
| 3 | Regal Partners Ltd | 40,138 | $168,178 | 0.0% | 0% | 0.0% |
| 4 | PNC Financial Services Group, Inc. | 20,000 | $83,800 | 0.0% | 0% | +25.0% |
| 5 | UBS Group AG | 1,507 | $6,314 | 0.0% | 0% | -49.8% |
| 6 | Integrated Wealth Concepts LLCNEW | 1,310 | $5,489 | 0.0% | 0% | new |
| 7 | RHUMBLINE ADVISERS | 195 | $817 | 0.0% | 0% | +61.2% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.