ONCO
Onconetix, Inc.Company with tickers: ONCO
CIK
1782107
CUSIP
68237Q203
Shares Outstanding
1,146,457
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 7
Total Value: $476,272
Total Shares: 61,061
Institutional Ownership Trend
Holder Concentration
Across 7 13F filers · Δ vs Sep 30, 2025Top Holder
63.9%
+0.7 pts
Top 5
100.0%
+0.2 pts
Top 10
100.0%
0.0 pts
HHI
4,640
Highly concentrated
+169
Quarterly Activity
vs Sep 30, 2025
New
1
Increased
2
Decreased
1
Sold Out
2
Unchanged
3
Holder count:
-1
Institutional value:
-68.6%
Shares held:
-37.5%
Top Buyers
vs Sep 30, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega UBS Group AG | +3,697 | 9,203 | |
| Mid Tower Research Capital LLC (TRC) | +251 | 1,819 |
Top Sellers
vs Sep 30, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mid DRW Securities, LLC | −22,738 | 39,046 |
Top New Positions
vs Sep 30, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mid XTX Topco Ltd | 10,827 | $84,450 |
Top Sold-Out Positions
vs Sep 30, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega CITADEL ADVISORS LLC | 15,633 | $243,093 | |
| Small Pacific Capital Wealth Advisors, Inc. | 13,000 | $202,150 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid DRW Securities, LLC Broker-Dealer | $304,558 | 63.95% | 39,046 | Shares | Other | 2026-02-12 | ||||
| Mid XTX Topco Ltd | $84,450 | 17.73% | 10,827 | Shares | Defined | 2026-02-17 | ||||
| Mega UBS Group AG | $71,783 | 15.07% | 9,203 | Shares | Defined | 2026-01-29 | ||||
| Mid Tower Research Capital LLC (TRC) | $14,188 | 2.98% | 1,819 | Shares | Defined | 2026-02-17 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $1,201 | 0.25% | 154 | Shares | Defined | 2026-02-03 | ||||
| Mega BANK OF AMERICA CORP /DE/ Bank | $85 | 0.02% | 11 | Shares | Defined | 2026-02-17 | ||||
| Large DANSKE BANK A/S Bank | $7 | 0.00% | 1 | Shares | Sole | 2026-02-02 | ||||
| No holders match your search. | ||||||||||