Onconetix
ONCO · NASDAQ
$0.4064−$0.0239 (−5.55%)TodayMarket closed ·
Prev close $0.4303
Who owns ONCO
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 7.5% of ONCO’s shares.
- Keystone Capital Partners5.7%
- HRT Financial LP1.3%
- XTX Markets LLC0.3%
- Altos Venture AG0.1%
- Next 6 largest institutions0.0%
- All other shareholders92.5%
| Holder | Shares | % of shares |
|---|---|---|
| Keystone Capital Partners | 223.72K | 5.66% |
| HRT Financial LP | 51.40K | 1.30% |
| XTX Markets LLC | 13.55K | 0.34% |
| Altos Venture AG | 5.46K | 0.14% |
| Young (Michael) | 1.10K | 0.03% |
| Abante Asesores Gestión, S.G.I.I.C., S.A. | 294 | 0.01% |
| SBI Securities Co., Ltd. | 252 | 0.01% |
| Tower Research Capital LLC | 145 | 0.00% |
| Hollencrest Capital Management | 100 | 0.00% |
| Schiess (Ralph) | 32 | 0.00% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Fidelity Extended Market Index Fund | 7.08K | 0.18% |
| Abante Quant Value, FI | 294 | 0.01% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $34.30K (1 trade) of ONCO on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| HRT FINANCIAL LP | Sale | 49.71K | $34.30K |
Short interest
Settled Sep 30, 2026
- Shares short
- 489.62K
- Days to cover
- 1.00
- % of shares outstanding
- 12.40%
- Average daily volume
- 10.33M
- Change since last report
- +261.8%
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