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Onconetix
ONCO

5 hedge funds and large institutions have $95.3K invested in Onconetix in 2025 Q4 according to their latest regulatory filings, with 1 funds opening new positions, 2 increasing their positions, 1 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more repeat investments, than reductions

Existing positions increased: 2 | Existing positions reduced: 1

0.05% less ownership

Funds ownership: 0.13% → 0.08% (-0.05%)

17% less funds holding

Funds holding: 6 → 5 (-1)

50% less first-time investments, than exits

New positions opened: 1 | Existing positions closed: 2

69% less capital invested

Capital invested by funds: $304K → $95.3K (-$208K)

Holders
5
Holders Change
-1
Holders Change %
-16.67%
% of All Funds
0.06%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
1
Increased
2
Reduced
1
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
XT
XTX Topco
Cayman Islands
+$29.9K
2
UBS Group
UBS Group
Switzerland
+$10.2K
3
TRCT
Tower Research Capital (TRC)
New York
+$688

Top Sellers

Rank Fund Capital Flow
1
DS
DRW Securities
Illinois
-$62.6K
2
Citadel Advisors
Citadel Advisors
Florida
-$48.6K
3
PCWA
Pacific Capital Wealth Advisors
California
-$40.4K

ONCO Hedge Fund Activity: Q4 2025 in Review

5 of the 8,265 institutional investors tracked by Wall St. Rank reported a position in Onconetix (ONCO) for Q4 2025, worth a combined $95.3K — down 69% from $304K a quarter earlier.

Sellers outnumbered buyers: 2 funds closed out of ONCO and 1 opened new positions — a net loss of 1 holder — while 1 trimmed existing stakes and 2 added.

The largest buyer was XTX Topco, opening a new position worth an estimated $29.9K. The largest seller was DRW Securities, cutting an estimated $62.6K.

  • 5 institutional investors held Onconetix (ONCO) as of Q4 2025, down from 6 in Q3 2025.
  • Funds reported $95.3K of Onconetix stock for Q4 2025, down 69% quarter-over-quarter.
  • 1 fund opened new Onconetix positions in Q4 2025 and 2 closed out, a net change of -1 holder.
  • The largest Onconetix buyer in Q4 2025 was XTX Topco, an estimated $29.9K added.
  • The largest Onconetix seller in Q4 2025 was DRW Securities, an estimated $62.6K sold.

Based on aggregated 13F filings for Q4 2025.