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Champns Onclgy (CSBR)
NASDAQ
$5.61-$0.08 (-1.41%)
Price as of Jun 03, 2026 4:10 PM EDT- $81.0MMarket Cap
- -10.82%1-Year Change
- BiotechnologyIndustry
Champns Onclgy (CSBR)
$5.61-$0.08 (-1.41%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BATTERY MANAGEMENT CORP. | 17.44% | 2.4M | 0 (0.00%) | Mar 31, 2026 |
BATTERY PARTNERS IX, LLC | 17.44% | 2.4M | 0 (0.00%) | Sep 30, 2020 |
NEA MANAGEMENT COMPANY, LLC | 12.34% | 1.7M | 0 (0.00%) | Mar 31, 2026 |
VANGUARD GROUP INC | 2.41% | 334,605 | +1,347 (+0.40%) | Dec 31, 2025 |
TOCQUEVILLE ASSET MANAGEMENT L.P. | 2.30% | 319,674 | 0 (0.00%) | Mar 31, 2026 |
N/A | 2.16% | 299,520 | +299,520 (+100.00%) | Mar 31, 2026 |
MORGAN STANLEY | 1.74% | 242,300 | +12,641 (+5.22%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 2.11% | 292,993 | 0 (0.00%) | Mar 31, 2026 |
AMG FUNDS III | 0.82% | 113,355 | 0 (0.00%) | Dec 31, 2025 |
FIDELITY CONCORD STREET TRUST | 0.46% | 63,587 | +891 (+1.40%) | Feb 28, 2026 |
OBERWEIS FUNDS | 0.39% | 54,333 | 0 (0.00%) | Mar 31, 2026 |
FIDELITY SALEM STREET TRUST | 0.35% | 48,414 | 0 (0.00%) | Mar 31, 2026 |
iSHARES TRUST | 0.16% | 22,550 | +2,072 (+9.19%) | Mar 31, 2026 |
VANGUARD SCOTTSDALE FUNDS | 0.15% | 20,771 | 0 (0.00%) | Feb 28, 2026 |
Current Ownership Distribution
- Institutions113.0M (78.63%)
- Insiders21.8M (15.17%)
- Mutual Funds8.9M (6.20%)
- Other0 (0.00%)
Insider Transactions
- 15.17% (21.8M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Breitfeld Philip P. | Award | Nov 05, 2025 | $93,772.00 | 13,790 | $6.80 | 13,790 |
Mendelson Daniel Newman | Award | Nov 05, 2025 | $93,772.00 | 13,790 | $6.80 | 13,790 |
ACKERMAN JOEL | Award | Nov 05, 2025 | $144,268.80 | 21,216 | $6.80 | 21,216 |
ACKERMAN JOEL | Exempt | Oct 30, 2025 | $198,250.50 | 94,405 | $2.10 | 0 |
ACKERMAN JOEL | Exempt | Oct 30, 2025 | $198,250.50 | 94,405 | $2.10 | 1.1M |
Brainin Robert Lawrence CEO | Award | Jul 16, 2025 | $1.8M | 225,000 | $7.80 | 299,163 |
Brainin Robert Lawrence CEO | Award | Jul 16, 2025 | $487,500.00 | 62,500 | $7.80 | 361,663 |
Brainin Robert Lawrence CEO | Award | Jul 16, 2025 | $487,500.00 | 62,500 | $7.80 | 424,163 |
Brainin Robert Lawrence CEO | Award | Jul 16, 2025 | $1.2M | 150,000 | $7.80 | 574,163 |
Brainin Robert Lawrence CEO | Award | Jul 16, 2025 | $780,000.00 | 100,000 | $7.80 | 674,163 |
Brainin Robert Lawrence CEO | Award | Jul 16, 2025 | $780,000.00 | 100,000 | $7.80 | 774,163 |
Breitfeld Philip P. | Other | Mar 25, 2025 | $0.00 | 4,150 | $0.00 | 5,717 |
Mendelson Daniel Newman | Award | Nov 12, 2024 | $100,177.60 | 21,590 | $4.64 | 21,590 |
Breitfeld Philip P. | Award | Nov 12, 2024 | $86,837.60 | 18,715 | $4.64 | 18,715 |
ACKERMAN JOEL | Award | Nov 12, 2024 | $200,401.60 | 43,190 | $4.64 | 43,190 |
SIDRANSKY DAVID | Award | Nov 12, 2024 | $101,523.20 | 21,880 | $4.64 | 21,880 |
Brainin Robert Lawrence | Award | Nov 12, 2024 | $106,859.20 | 23,030 | $4.64 | 74,163 |