13F Insight
DOSSIER · 13F Holders · Q1 2026High-convictionMulti-bagger
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
—
▼ 3.2%
vs prior quarter
13F value held
$24,918
66.0% inst. owned
of float
Holders
5
+102 QoQ
filers reporting
Activity
+78 / −13
+882 added · −849 reduced
this quarter
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. +102 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$17,66112K0.00%Q1 202602
CITIGROUP INC
CIK 0000831001
$2,5582K0.00%Q1 202603
UBS Group AG
CIK 0001610520
$2,3542K0.00%Q1 202604
Tower Research Capital LLC (TRC)
CIK 0001533421
$2,1661K0.00%Q1 202605
SBI Securities Co., Ltd.
CIK 0001851815
$1791200.00%Q1 2026