Champions OncologyCSBR
13F holders, Q1 2026 (March 31)25holders −2
1new positions
5sold out
1famous investor
$5.75avg. 13F price*
At the end of Q1 2026, 25 institutions reported holding Champions Oncology Inc. (CSBR) in their 13F filings, down 2 from Q4 2025. 1 opened new positions and 5 sold out. The largest holders were Battery Management Corp. ($13.9M), NEA Management Company, LLC ($9.9M) and Tocqueville Asset Management L.P. ($1.8M). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Champions Oncology Inc.
- CUSIP
- 15870P307
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $58 |
| Exits | 5 | $312K |
All 13F filers, Q4 2025 → Q1 2026: 51,671 shares bought and 70,056 shares sold, net −18,385 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 25 holders
| Battery Management Corp. | 3.27% | No change | 2,421,673 | $13.9M |
| NEA Management Company, LLC | 0.56% | No change | 1,713,720 | $9.9M |
| Tocqueville Asset Management L.P. | 0.03% | No change | 319,674 | $1.8M |
| Vanguard Capital Management LLC | 0.00% | — | 299,520 | $1.7M |
| Morgan Stanley | 0.00% | Add +5.5% | 242,300 | $1.4M |
| Renaissance Technologies | 0.00% | Reduce -6.0% | 145,539 | $837K |
| BlackRock, Inc. | 0.00% | Add +0.9% | 123,900 | $712K |
| Mink Brook Asset Management LLC | 0.36% | Add +38.6% | 111,338 | $640K |
| Geode Capital Management, LLC | 0.00% | Add +1.8% | 77,177 | $444K |
| Northern Trust Corp. | 0.00% | Reduce -0.5% | 45,932 | $264K |
| HighTower Advisors, LLC | 0.00% | No change | 35,158 | $202K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 32,992 | $190K |
| State Street Corp. | 0.00% | No change | 26,203 | $151K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -5.5% | 23,973 | $138K |
| Bank of America Corp. | 0.00% | Reduce -0.7% | 21,833 | $126K |
| Bank of New York Mellon Corp | 0.00% | Reduce -19.2% | 21,614 | $124K |
| Acadian Asset Management LLC | 0.00% | Reduce -28.9% | 21,323 | $121K |
| Essex Investment Management Co. LLC | 0.02% | No change | 18,249 | $105K |
| Mesirow Financial Investment Management, Inc. | 0.00% | Add +53.4% | 15,800 | $91K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | No change | 12,252 | $70K |
| Vanguard Global Advisers, LLC | 0.00% | — | 2,093 | $12K |
| JPMorgan Chase & Co. | 0.00% | No change | 11 | $64 |
| Cassaday & Co Wealth Management LLC | 0.00% | New | 10 | $58 |
| SBI Securities Co., Ltd. | 0.00% | No change | 4 | $23 |
| Capital Advisors, Ltd. LLC | 0.00% | No change | 48 | $0 |
"% of holder's portfolio" is CSBR's weight in each manager's 13F, not the share of Champions Oncology Inc. the manager owns.