Who Owns Onconetix, Inc. (ONCO)?Hedge Fund & Institutional Holders
Institutional Holders
8
as of Q4 2025
Total Institutional Value
$121.0B
% of Float Held
—
QoQ Change in Holders
+2 / -1
Price History
ONCO — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| XTX Topco Ltd | New Position | +11K | +$0 |
| SBI Securities Co., Ltd. | New Position | +154 | +$0 |
| Tower Research Capital LLC (TRC) | Increased | +251 | +$-4.9M |
| UBS Group AG | Increased | +4K | +$-17.1M |
ONCO — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| DRW Securities, LLC | Decreased | -23K | -$192.1M |
| CITADEL ADVISORS LLC | Closed Position | -16K | -$48.6M |
| DANSKE BANK A/S | Decreased | -1 | -$8K |
Top Institutional Holders(Q4 2025)
| # | Fund | Shares | Value | % of Portfolio | Type |
|---|---|---|---|---|---|
| 1 | UBS Group AG | 8,218 | $12K | 0.00% | Share |
| 2 | UBS Group AG | 985 | $1K | 0.00% | Share |
| 3 | DRW Securities, LLC | 39,046 | $0 | 0.00% | Share |
| 4 | Tower Research Capital LLC (TRC) | 1,819 | $0 | 0.00% | Share |
| 5 | BANK OF AMERICA CORP /DE/ | 11 | $0 | 0.00% | Share |
| 6 | DANSKE BANK A/S | 1 | $0 | 0.00% | Share |
| 7 | SBI Securities Co., Ltd. | 154 | $0 | 0.00% | Share |
| 8 | XTX Topco Ltd | 10,827 | $0 | 0.00% | Share |
ONCO Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 7 | $13K | +1 |
| Q3 2025 | 6 | $262.8M | +0 |
| Q2 2025 | 6 | $15.3M | -7 |
| Q1 2025 | 13 | $13.7M | +0 |
| Q4 2024 | 13 | $240.2M | +5 |
| Q3 2024 | 8 | $103.0B | — |
Similar Stocks by Institutional Ownership
As of Q4 2025, 8 institutional investors hold ONCO (Onconetix, Inc.). The largest holder is UBS Group AG with $12K in shares. This quarter, 2 institutions opened new positions and 1 closed their positions.
Frequently Asked Questions
How many hedge funds own ONCO?
As of Q4 2025, 8 institutional investors report holding ONCO (Onconetix, Inc.) in their 13F filings.
Who is the largest institutional holder of ONCO?
The largest institutional holder of ONCO is UBS Group AG with $12K in shares.
Is institutional ownership of ONCO increasing or decreasing?
This quarter, 2 institutions opened new positions in ONCO and 1 closed their positions.