Security key
68237Q104
Onconetix, Inc. - Common Stock, $0.00001 par value per share (ONCO)
CUSIP: 68237Q104
Q1 2025 13F Holders as of 31 Mar 2025
- Security type / class
- Equity / Common Stock, $0.00001 par value per share
- Total 13F shares
- 340,112
- Total 13F value
- $26,656
- Share change
- -43,599
- SEC-reported price per share
- $0.08
- Number of holders
- 12
- Value change
- -$40,114
- Number of buys
- 8
- Number of sells
- 6
- Shares outstanding
- 14,556,476
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2025
Institutions
12
Top holders
10
ONCO full security history
Ownership snapshot
Full 13F holder table
Onconetix, Inc. SEC filings
Onconetix, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of ONCO - Onconetix, Inc. - Common Stock, $0.00001 par value per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Ralph Schiess
Disclosed value leader
Joseph Hernandez
Comparable rows
13/15
Latest evidence
31 Dec 2024
3/4/5
13D/G
13F
Lead comparable stake: 4.6%
2 rows are not safely comparable across share classes.
13D/G row: Ralph Schiess
Showing 1-6 of 15 holder rows.
Quick read
Ralph Schiess leads the comparable SEC ownership view at 4.6%.
13 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Ralph Schiess's linked filing trail.
Comparable ownership
Top 5
Ralph Schiess
4.6%
Christian Bruhlmann
4.2%
Zurcher Kantonalbank (Zurich Cant...
2.5%
GEODE CAPITAL MANAGEMENT, LLC
0.38%
MILLENNIUM MANAGEMENT LLC
0.27%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Ralph Schiess |
3/4/5
13D/G
Interim CEO, CSO
|
4.6%
from 13D/G
|
$1,106,888
673,365 shares
|
— | 20 Dec 2024 |
| Christian Bruhlmann |
3/4/5
13D/G
Chief Strategy Officer
|
4.2%
from 13D/G
|
$968,521
611,372 shares
|
— | 20 Dec 2024 |
| Zurcher Kantonalbank (Zurich Cantonalbank) |
13F
13D/G
Company
|
2.5%
from 13D/G
|
$130,845
207,691 shares
|
— | 31 Dec 2024 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.38%
|
$34,913
55,418 shares
|
— | 31 Dec 2024 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
0.27%
|
$24,871
39,477 shares
|
— | 31 Dec 2024 |
| AMERICAN FINANCIAL GROUP INC |
13F
13D/G
Company
|
0.25%
|
$22,694
36,023 shares
|
— | 31 Dec 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
12
Shares
340,112
Rows available
12
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2025 vs Q1 2025 Across Filers
Q1 2025 holders
12
Q1 2025 holders
12
Holder diff
0
| Investor | Q1 2025 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q1 2025 value | Value change | Value Chg % |
|---|