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CytomX Therapeut (CTMX)
NASDAQ
$3.18+$0.14 (+4.57%)
Price as of Jun 23, 2026 7:55 PM EDT- $661.8MMarket Cap
- 40.74%1-Year Change
- BiotechnologyIndustry
CytomX Therapeut (CTMX)
$3.18+$0.14 (+4.57%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
FMR LLC | 19.87% | 32.0M | +7.3M (+22.74%) | Mar 31, 2026 |
KYNAM CAPITAL MANAGEMENT, LP | 9.34% | 15.0M | +6.0M (+40.28%) | Mar 31, 2026 |
BANK OF AMERICA CORP /DE/ | 6.34% | 10.2M | +9.3M (+91.41%) | Mar 31, 2026 |
PERCEPTIVE ADVISORS LLC | 6.28% | 10.1M | +418,639 (+4.15%) | Mar 31, 2026 |
VR ADVISER, LLC | 6.21% | 10.0M | -5.6M (-55.89%) | Mar 31, 2026 |
N/A | 5.43% | 8.7M | +8.7M (+100.00%) | Mar 31, 2026 |
VANGUARD GROUP INC | 5.27% | 8.5M | -472,223 (-5.57%) | Dec 31, 2025 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 5.30% | 8.5M | +2.4M (+27.70%) | Mar 31, 2026 |
FIDELITY SECURITIES FUND | 4.64% | 7.5M | -346,100 (-4.64%) | Jan 31, 2026 |
FIDELITY SELECT PORTFOLIOS | 2.87% | 4.6M | +1.1M (+23.03%) | Feb 28, 2026 |
SPDR SERIES TRUST | 2.80% | 4.5M | -22,102 (-0.49%) | Mar 31, 2026 |
FIDELITY CAPITAL TRUST | 2.00% | 3.2M | -322,100 (-10.00%) | Jan 31, 2026 |
FIDELITY ADVISOR SERIES VII | 1.93% | 3.1M | -344,100 (-11.10%) | Jan 31, 2026 |
VICTORY PORTFOLIOS | 1.09% | 1.8M | 0 (0.00%) | Mar 31, 2026 |
Current Ownership Distribution
- Institutions1.2B (82.18%)
- Mutual Funds251.6M (16.93%)
- Insiders13.3M (0.89%)
- Other0 (0.00%)
Insider Transactions
- 0.89% (13.3M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 4Number of InsiderSelling (last 12 months)
- $14.8MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Meyers James R | Award | Jun 17, 2026 | $0.00 | 59,000 | $0.00 | 59,000 |
Gilbert Halley E | Award | Jun 17, 2026 | $0.00 | 59,000 | $0.00 | 59,000 |
Jones Elaine V | Award | Jun 17, 2026 | $0.00 | 59,000 | $0.00 | 59,000 |
Ashworth Alan | Award | Jun 17, 2026 | $0.00 | 59,000 | $0.00 | 59,000 |
Mohindru Mani | Award | Jun 17, 2026 | $0.00 | 59,000 | $0.00 | 59,000 |
Young Matthew P. | Award | Jun 17, 2026 | $0.00 | 59,000 | $0.00 | 59,000 |
McCarthy Sean A. CEO | Sell | Mar 17, 2026 | $764,137.89 | 118,969 | $6.42 | 1.1M |
Ogden Christopher Chief Financial Officer | Sell | Mar 17, 2026 | $124,111.63 | 19,323 | $6.42 | 296,948 |
Chu Yu-Waye Chief Medical Officer | Sell | Mar 17, 2026 | $136,675.02 | 21,279 | $6.42 | 189,446 |
BELVIN MARCIA SVP, Chief Scientific Officer | Sell | Mar 17, 2026 | $202,273.12 | 31,492 | $6.42 | 300,760 |
McCarthy Sean A. CEO | Award | Feb 02, 2026 | $0.00 | 980,000 | $0.00 | 980,000 |
BELVIN MARCIA SVP, Chief Scientific Officer | Award | Feb 02, 2026 | $0.00 | 250,000 | $0.00 | 250,000 |
McCarthy Sean A. CEO | Award | Feb 02, 2026 | $0.00 | 210,000 | $0.00 | 1.2M |
Chu Yu-Waye Chief Medical Officer | Award | Feb 02, 2026 | $0.00 | 300,000 | $0.00 | 300,000 |
BELVIN MARCIA SVP, Chief Scientific Officer | Award | Feb 02, 2026 | $0.00 | 60,000 | $0.00 | 332,252 |
Ogden Christopher Chief Financial Officer | Award | Feb 02, 2026 | $0.00 | 325,000 | $0.00 | 325,000 |
Chu Yu-Waye Chief Medical Officer | Award | Feb 02, 2026 | $0.00 | 75,000 | $0.00 | 210,725 |
Ogden Christopher Chief Financial Officer | Award | Feb 02, 2026 | $0.00 | 90,000 | $0.00 | 316,271 |
McCarthy Sean A. CEO | Sell | Nov 06, 2025 | $461,906.10 | 101,793 | $4.54 | 987,891 |
Chu Yu-Waye Chief Medical Officer | Award | Sep 26, 2025 | $0.00 | 87,500 | $0.00 | 87,500 |
Chu Yu-Waye Chief Medical Officer | Award | Sep 26, 2025 | $0.00 | 43,750 | $0.00 | 43,750 |
BELVIN MARCIA SVP, Chief Scientific Officer | Sell | Jun 16, 2025 | $37,334.08 | 13,884 | $2.69 | 272,252 |
Ogden Christopher Chief Financial Officer | Sell | Jun 16, 2025 | $28,539.98 | 10,614 | $2.69 | 226,271 |
McCarthy Sean A. CEO | Sell | Jun 16, 2025 | $149,263.53 | 55,511 | $2.69 | 1.1M |
BELVIN MARCIA SVP, Chief Scientific Officer | Exempt | Jun 13, 2025 | $0.00 | 37,500 | $0.00 | 0 |
Ogden Christopher Chief Financial Officer | Exempt | Jun 13, 2025 | $0.00 | 37,500 | $0.00 | 0 |
BELVIN MARCIA SVP, Chief Scientific Officer | Exempt | Jun 13, 2025 | $0.00 | 37,500 | $0.00 | 286,136 |
McCarthy Sean A. CEO | Exempt | Jun 13, 2025 | $0.00 | 150,000 | $0.00 | 0 |
Ogden Christopher Chief Financial Officer | Sell | Jun 13, 2025 | $4,841.44 | 1,641 | $2.95 | 199,385 |
McCarthy Sean A. CEO | Exempt | Jun 13, 2025 | $0.00 | 150,000 | $0.00 | 1.1M |