Filing Flows › Onconetix (ONCO) › Who owns the stock
Who owns Onconetix (ONCO) stock
7 funds reported Onconetix (ONCO) shares in their latest 13F filings, worth $28K in all. The largest holder is XTX Topco ($15K). Last quarter 5 funds added to their stakes and 0 cut them.
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| XTX Topco | 13,548 | $15K | new | 2026-06-30 |
| StoneX Group | 15,409 | $12K | new | 2026-09-30 |
| SBI Securities | 252 | $285 | new | 2026-06-30 |
| Tower Research Capital LLC | 145 | $164 | new | 2026-06-30 |
| Hollencrest Capital Management | 100 | $113 | new | 2026-06-30 |
| Morgan Stanley | 21 | $24 | new | 2026-06-30 |
| Barclays | 1 | $1 | new | 2026-09-30 |
Onconetix's latest quarter
Onconetix, Q2 2026: revenue $17K (-84% year over year), net loss $2.9M, operating cash flow −$1.9M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most ONCO stock?
By the latest 13F filings: XTX Topco ($15K); StoneX Group ($12K); SBI Securities ($285); Tower Research Capital LLC ($164); Hollencrest Capital Management ($113).
What is the short interest in ONCO?
389,871 shares were sold short at the 2026-10-15 settlement, -20.37% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.