Citius Oncology
CTOR
18 hedge funds and large institutions have $6.86M invested in Citius Oncology in 2025 Q4 according to their latest regulatory filings, with 6 funds opening new positions, 5 increasing their positions, 4 reducing their positions, and 4 closing their positions.
50% more first-time investments, than exits
New positions opened: 6 | Existing positions closed: 4
25% more repeat investments, than reductions
Existing positions increased: 5 | Existing positions reduced: 4
13% more funds holding
Funds holding: 16 → 18 (+2)
2.57% less ownership
Funds ownership: 10.66% → 8.09% (-2.6%)
60% less capital invested
Capital invested by funds: $17M → $6.86M (-$10.1M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$598K |
| 2 |
OAC
OMERS Administration Corp
Toronto,
Ontario, Canada
|
+$150K |
| 3 |
IA
IFP Advisors
Tampa,
Florida
|
+$77.8K |
| 4 |
Geode Capital Management
Boston,
Massachusetts
|
+$75.8K |
| 5 |
Northern Trust
Chicago,
Illinois
|
+$34.4K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AC
Armistice Capital
New York
|
-$3M |
| 2 |
Renaissance Technologies
New York
|
-$113K |
| 3 |
XT
XTX Topco
George Town,
Cayman Islands
|
-$75.9K |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$35.9K |
| 5 |
TRCT
Tower Research Capital (TRC)
New York
|
-$24K |
CTOR Hedge Fund Activity: Q4 2025 in Review
18 of the 8,281 institutional investors tracked by Wall St. Rank reported a position in Citius Oncology (CTOR) for Q4 2025, worth a combined $6.86M — down 60% from $17M a quarter earlier.
Buyers outnumbered sellers: 6 funds opened new CTOR positions and 4 closed out — a net gain of 2 holders — while 5 added to existing stakes and 4 trimmed.
The largest buyer was Vanguard Group, adding an estimated $598K. The largest seller was Armistice Capital, cutting an estimated $3M.
- 18 institutional investors held Citius Oncology (CTOR) as of Q4 2025, up from 16 in Q3 2025.
- Funds reported $6.86M of Citius Oncology stock for Q4 2025, down 60% quarter-over-quarter.
- 6 funds opened new Citius Oncology positions in Q4 2025 and 4 closed out, a net change of +2 holders.
- The largest Citius Oncology buyer in Q4 2025 was Vanguard Group, an estimated $598K added.
- The largest Citius Oncology seller in Q4 2025 was Armistice Capital, an estimated $3M sold.
Based on aggregated 13F filings for Q4 2025.