Champions Oncology
CSBR
27 hedge funds and large institutions have $39.7M invested in Champions Oncology in 2025 Q4 according to their latest regulatory filings, with 3 funds opening new positions, 7 increasing their positions, 7 reducing their positions, and 3 closing their positions.
8% more capital invested
Capital invested by funds: $36.7M → $39.7M (+$3.07M)
0.34% more ownership
Funds ownership: 41.07% → 41.41% (+0.34%)
0% more funds holding
Funds holding: 27 → 27 (0)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
0% more first-time investments, than exits
New positions opened: 3 | Existing positions closed: 3
0% more repeat investments, than reductions
Existing positions increased: 7 | Existing positions reduced: 7
100% less call options, than puts
Call options by funds: $0 | Put options by funds: $249K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MBAM
Mink Brook Asset Management
West Palm Beach,
Florida
|
+$535K |
| 2 |
Morgan Stanley
New York
|
+$267K |
| 3 |
EIM
Essex Investment Management
Boston,
Massachusetts
|
+$121K |
| 4 |
GCP
GSA Capital Partners
London,
United Kingdom
|
+$70.3K |
| 5 |
Dimensional Fund Advisors
Austin,
Texas
|
+$11K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$128K |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$106K |
| 3 |
Renaissance Technologies
New York
|
-$82.7K |
| 4 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$43K |
| 5 |
Acadian Asset Management
Boston,
Massachusetts
|
-$41.2K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
SS
26
SBI Securities
Tokyo,
Japan
| $28 | -$80 | -12 | -75% |
|
|
27
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
| – | -$128K | -19,811 | Closed |
|
|
28
Citadel Advisors
Miami,
Florida
| – | -$106K | -16,326 | Closed |
|
|
29
Royal Bank of Canada
Toronto,
Ontario, Canada
| – | -$43K | -6,614 | Closed |
|
CSBR Hedge Fund Activity: Q4 2025 in Review
27 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Champions Oncology (CSBR) for Q4 2025, worth a combined $39.7M — up 8.4% from $36.7M a quarter earlier.
Fund positioning in CSBR was balanced in Q4 2025: 3 funds opened new positions, 3 closed out, 7 added to existing stakes and 7 trimmed.
The largest buyer was Mink Brook Asset Management, opening a new position worth an estimated $535K. The largest seller was Susquehanna International Group, exiting entirely with an estimated $128K sold.
- 27 institutional investors held Champions Oncology (CSBR) as of Q4 2025, unchanged from Q3 2025.
- Funds reported $39.7M of Champions Oncology stock for Q4 2025, up 8.4% quarter-over-quarter.
- 3 funds opened new Champions Oncology positions in Q4 2025 and 3 closed out, a net change of 0 holders.
- The largest Champions Oncology buyer in Q4 2025 was Mink Brook Asset Management, an estimated $535K added.
- The largest Champions Oncology seller in Q4 2025 was Susquehanna International Group, an estimated $128K sold.
Based on aggregated 13F filings for Q4 2025.