NASDAQ: CTMX
Cytomx Therapeutics Inc Stock Ownership - Who owns Cytomx Therapeutics?

Insider buying vs selling

Have Cytomx Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Christopher OgdenChief Financial Officer2025-06-1610,614$2.69
$28.54kSell
Marcia BelvinSVP Chief Scientific Officer2025-06-1613,884$2.69
$37.33kSell
Sean A. McCarthyCEO2025-06-1655,511$2.69
$149.27kSell
Christopher OgdenChief Financial Officer2025-06-131,641$2.95
$4.84kSell
Lloyd A. RowlandGeneral Counsel2025-03-1810,203$0.60
$6.11kSell
Marcia BelvinSVP Chief Scientific Officer2025-03-1819,512$0.60
$11.69kSell
Yuwaye ChuChief Medical Officer2025-03-184,025$0.60
$2.41kSell
Sean A. McCarthyCEO2025-03-1837,656$0.60
$22.56kSell
Christopher OgdenChief Financial Officer2025-03-188,551$0.60
$5.12kSell
Marcia BelvinSVP Chief Scientific Officer2024-08-204,181$1.23
$5.14kSell

1 of 2

CTMX insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when CTMX insiders and whales buy or sell their stock.

CTMX Shareholders

What type of owners hold Cytomx Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Tang Capital Management LLC8.33%6,717,825$16.12MInstitution
Bvf Inc6.49%5,228,461$12.55MInstitution
Kevin P. Starr6.45%5,201,767$12.48MInsider
Vanguard Group Inc6.35%5,117,376$12.28MInstitution
Timothy M. 1. Shannon5.66%4,563,247$10.95MInsider
Robert I. Tepper5.40%4,349,864$10.44MInsider
Prosight Management LP4.87%3,930,008$9.43MInstitution
Acadian Asset Management LLC4.01%3,234,035$7.76MInstitution
Millennium Management LLC3.51%2,826,276$6.78MInstitution
Point72 Asset Management LP3.29%2,650,000$6.36MInstitution

1 of 3

CTMX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CTMX56.16%26.97%Net SellingNet Selling
YMAB62.18%37.82%Net BuyingNet Buying
OMER47.05%6.67%
ELDN55.79%44.21%
FDMT77.31%22.69%Net Buying

Cytomx Therapeutics Stock Ownership FAQ

Who owns Cytomx Therapeutics?

Cytomx Therapeutics (NASDAQ: CTMX) is owned by 56.16% institutional shareholders, 26.97% Cytomx Therapeutics insiders, and 16.88% retail investors. Kevin P. Starr is the largest individual Cytomx Therapeutics shareholder, owning 5.20M shares representing 6.45% of the company. Kevin P. Starr's Cytomx Therapeutics shares are currently valued at $12.95M.

If you're new to stock investing, here's how to buy Cytomx Therapeutics stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.