Ticker · CUSIP 15870P307

CSBR

CHAMPIONS ONCOLOGY INC
···Share
Holders (tracked)
2
Combined shares
165,042
Combined value
$1.14M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
252024Q12025Q4

SEC event timeline

5 events
  1. Ken Griffin (Citadel Advisors) exited2026-02-17
    −16,326 shares · 2025Q4
    13F
  2. Izzy Englander (Millennium Mgmt) trimmed2026-02-17
    −2,432 shares · 2025Q4
    13F
  3. Renaissance Technologies trimmed2026-02-12
    −12,422 shares · 2025Q4
    13F
  4. Izzy Englander (Millennium Mgmt) trimmed2025-11-14
    −11,429 shares · 2025Q3
    13F
  5. Renaissance Technologies trimmed2025-11-13
    −13,778 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.
View full insider history for CSBR →

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions0
—
Added to0
—
Trimmed2
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
5
$4.5M
2022Q2
5
$4.6M
2022Q3
6
$4K
2022Q4
6
$768K
2023Q1
6
$575K
2023Q2
6
$1.7M
2023Q3
6
$1.0M
2023Q4
5
$789K
2024Q1
5
$688K
2024Q2
5
$1.3M
2024Q3
2
$637K
2024Q4
5
$1.4M
2025Q1
5
$2.2M
2025Q2
3
$1.6M
2025Q3
3
$1.3M
2025Q4
2
$1.1M

Who owns CSBR

2 super-investors · 2025Q4
Tracked stake
165.0K
shares
Combined value
$1M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Trim2
#ManagerSharesValue
1Renaissance Technologies154.8K$1M
2Izzy Englander
Millennium Mgmt
10.2K$71K

Recent moves

20 transactions
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