Onconetix, Inc.
ONCO- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001782107
No open-market purchases or sales by Onconetix, Inc. insiders were filed in the last 90 days; 6 institutions reported holding it in 13F filings for Q2 2026, worth $73.9K in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +1 vs. previous quarter
- 6
- 13F valueReported value at the end of Q2 2026
- $73.9K
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding ONCO, Q2 2026
No superinvestor reported holding ONCO at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Onconetix, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Apr 22, 2026 (view filing) | Apr 21 | 1 day | HRT Financial LP10% Owner | SSaleClass A Shares | −49.7K | $0.69 | −$34.3K | −59.6%33.6K after | |
| Apr 21, 2026 (view filing) | Apr 16-20 | 5 daysLate | HRT Financial LP10% Owner | SSaleClass A Shares | −148.3K | $0.7427 | −$110.2K | −64.0%83.4K after | 2 lots |
| Apr 21, 2026 (view filing) | Apr 17 | 4 days | HRT Financial LP10% Owner | PPurchaseClass A Shares | +34.6K | $0.73 | +$25.3K | +24.2%177.8K after | |
| Apr 16, 2026 (view filing) | Apr 14-15 | 2 days | HRT Financial LP10% Owner | PPurchaseClass A Shares | +166.9K | $0.7645 | +$127.6K | +553.6%197.1K after | 2 lots |
| Aug 23, 2022 (view filing)4:39 PM ET | Aug 19 | 4 days | Shaw AllanDirector | SSale | −29.6K | $3.94 | −$116.8K | −100.0%0 after | |
| Aug 22, 2022 (view filing)9:59 PM ET | Aug 19 | 3 days | Henderson ErinChief Business Officer | SSale | −4.83K | $3.97 | −$19.2K | −16.3%24.8K after | |
| Aug 22, 2022 (view filing) | Aug 18-22 | 4 days | Hernandez JosephCEO | SSale | −549.6K | $4.81 | −$2.64M | −17.2%2.65M after | 3 lots |
Top 10 13F holders, Q2 2026
The largest institutional positions in Onconetix, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| HRT Financial LP | 51,398 | $58.0K | 0.00% | +51,398 | New |
| XTX Topco Ltd | 13,548 | $15.3K | 0.00% | +13,548 | New |
| SBI Securities Co., Ltd. | 252 | $285 | 0.00% | +132+110.0% | Added |
| Tower Research Capital LLC (TRC) | 145 | $164 | 0.00% | −1,309−90.0% | Reduced |
| Hollencrest Capital Management | 100 | $113 | 0.00% | +100 | New |
| Morgan Stanley | 21 | $24 | 0.00% | +21 | New |