Champions Oncology Inc
Ownership
Ownership Structure
Who owns Champions Oncology Inc (CSBR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 43.4% of the shares are freely tradable; institutional investors hold 47.7%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Battery Management Corp | 17.40 | 2,421,673 | +0.0 | 06/30/2026 |
| NEA Management Company, LLC | 12.31 | 1,713,720 | +0.0 | 06/30/2026 |
| Vanguard Capital Management, LLC | 2.17 | 301,353 | +0.6 | 06/30/2026 |
| Tocqueville Asset Management L.P. | 2.12 | 295,658 | -7.5 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 1.69 | 235,400 | -2.8 | 06/30/2026 |
| Bank of America Corp | 1.54 | 214,058 | +880.4 | 06/30/2026 |
| Renaissance Technologies Corp | 1.00 | 139,039 | -4.5 | 06/30/2026 |
| BlackRock Inc | 0.93 | 129,848 | +4.8 | 06/30/2026 |
| Mink Brook Asset Management LLC | 0.80 | 111,338 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 1.65 | 229,971 | +0.0 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Ackerman Joel | Director | 1,126,333 | 5,406,398 $ | Oct 15, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 15, 2026 | Ackerman Joel | Director | Other | 69,794 | 1.60 | 111,670 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 2, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.