DOSSIER · 13F Holders · Q1 2026
ONCO

Onconetix Inc

5 institutions still hold Onconetix Inc as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 68237Q302·5 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$25K
visible holders
Holders
5
filers reporting
Concentration
70.88%
GEODE CAPITAL MANAGEMENT, LLC #1
top holder share
AI Holders Summary · Q1 2026

5 institutions reported ONCO in Q1 2026. GEODE CAPITAL MANAGEMENT, LLC leads at 70.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$18K12K0.00%Q1 2026
02
CITIGROUP INC
CIK 0000831001
$3K2K0.00%Q1 2026
03
UBS Group AG
CIK 0001610520
$2K2K0.00%Q1 2026
04
Tower Research Capital LLC (TRC)
CIK 0001533421
$2K1K0.00%Q1 2026
05
SBI Securities Co., Ltd.
CIK 0001851815
$1791200.00%Q1 2026
Insiders at Onconetix Inc
Hrt Financial LpOakley Andrew JohnTarsh SimonMeier ThomasRamdeen Timothy R.Altos Venture AgSchiess RalphBruhlmann Christian