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CTOR

Citius Oncology
CTOR

16 hedge funds and large institutions have $17M invested in Citius Oncology in 2025 Q3 according to their latest regulatory filings, with 10 funds opening new positions, 3 increasing their positions, 2 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,614% more capital invested

Capital invested by funds: $990K → $17M (+$16M)

900% more first-time investments, than exits

New positions opened: 10 | Existing positions closed: 1

129% more funds holding

Funds holding: 7 → 16 (+9)

50% more repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 2

10.35% more ownership

Funds ownership: 0.32% → 10.66% (+10%)

Holders
16
Holders Change
+9
Holders Change %
+128.57%
% of All Funds
0.21%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
10
Increased
3
Reduced
2
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
AC
Armistice Capital
New York
+$16.6M
2
Vanguard Group
Vanguard Group
Pennsylvania
+$390K
3
XT
XTX Topco
Cayman Islands
+$275K
4
Geode Capital Management
Geode Capital Management
Massachusetts
+$238K
5
Renaissance Technologies
Renaissance Technologies
New York
+$121K

Top Sellers

Rank Fund Capital Flow
1
Jane Street
Jane Street
New York
-$465K
2
UBS Group
UBS Group
Switzerland
-$33.3K
3
Bank of America
Bank of America
North Carolina
-$18K
Name Holding Trade Value Shares
Change 		Change in
Stake
AC
1
Armistice Capital
New York
$15.6M +$16.6M +7,675,911 New
Vanguard Group
2
Vanguard Group
Pennsylvania
$366K +$390K +180,168 New
Geode Capital Management
3
Geode Capital Management
Massachusetts
$339K +$238K +109,875 +192%
XT
4
XTX Topco
Cayman Islands
$258K +$275K +126,884 New
Renaissance Technologies
5
Renaissance Technologies
New York
$113K +$121K +55,900 New
State Street
6
State Street
Massachusetts
$87.1K +$92.9K +42,900 New
IA
7
IFP Advisors
Florida
$67.4K +$23.8K +11,000 +50%
Northern Trust
8
Northern Trust
Illinois
$44.2K +$47.1K +21,764 New
Citadel Advisors
9
Citadel Advisors
Florida
$35.9K +$38.3K +17,661 New
Osaic Holdings
10
Osaic Holdings
Arizona
$25.2K +$13.9K +6,395 +120%
TRCT
11
Tower Research Capital (TRC)
New York
$24K +$25.7K +11,846 New
AWA
12
Arkadios Wealth Advisors
Georgia
$23.7K – – –
Bank of America
13
Bank of America
North Carolina
$536 -$18K -8,307 -97%
UBS Group
14
UBS Group
Switzerland
$112 -$33.3K -15,368 -100%
Morgan Stanley
15
Morgan Stanley
New York
$10 +$11 +5 New
FFA
16
Farther Finance Advisors
California
$6 +$6 +3 New
Jane Street
17
Jane Street
New York
– -$465K -106,970 Closed

CTOR Hedge Fund Activity: Q3 2025 in Review

16 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Citius Oncology (CTOR) for Q3 2025, worth a combined $17M — up 1,614% from $990K a quarter earlier.

Buyers outnumbered sellers: 10 funds opened new CTOR positions and 1 closed out — a net gain of 9 holders — while 3 added to existing stakes and 2 trimmed.

The largest buyer was Armistice Capital, opening a new position worth an estimated $16.6M. The largest seller was Jane Street, exiting entirely with an estimated $465K sold.

  • 16 institutional investors held Citius Oncology (CTOR) as of Q3 2025, up from 7 in Q2 2025.
  • Funds reported $17M of Citius Oncology stock for Q3 2025, up 1,614% quarter-over-quarter.
  • 10 funds opened new Citius Oncology positions in Q3 2025 and 1 closed out, a net change of +9 holders.
  • The largest Citius Oncology buyer in Q3 2025 was Armistice Capital, an estimated $16.6M added.
  • The largest Citius Oncology seller in Q3 2025 was Jane Street, an estimated $465K sold.

Based on aggregated 13F filings for Q3 2025.