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

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Cytomx Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Sean A. McCarthyCEO2025-11-06101,793$4.54
$461.94kSell
Marcia BelvinSVP Chief Scientific Officer2025-06-1613,884$2.69
$37.33kSell
Christopher OgdenChief Financial Officer2025-06-1610,614$2.69
$28.54kSell
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
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 Officer2025-03-1819,512$0.60
$11.69kSell

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Net Insider Buy/Sell (L12M) Ownership

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CTMX Shareholders

What type of owners hold Cytomx Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Vr Adviser LLC9.18%15,561,500$66.14MInstitution
Fmr LLC9.09%15,396,200$65.43MInstitution
Tang Capital Management LLC6.53%11,065,662$47.03MInstitution
Perceptive Advisors LLC5.71%9,680,185$41.14MInstitution
Vanguard Group Inc5.28%8,947,807$38.03MInstitution
Orbimed Advisors LLC4.99%8,461,500$35.96MInstitution
Commodore Capital LP4.54%7,692,300$32.69MInstitution
Kevin P. Starr3.07%5,201,767$22.11MInsider
Timothy M. 1. Shannon2.69%4,563,247$19.39MInsider
Robert I. Tepper2.57%4,349,864$18.49MInsider

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CTMX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CTMX81.09%12.77%Net SellingNet Selling
VALN3.25%0.00%
ATXS80.69%19.31%
ARVN74.71%25.29%Net SellingNet Selling
LXEO67.63%9.87%Net SellingNet Selling
View Top Biotech Stocks

Cytomx Therapeutics Stock Ownership FAQ

Who owns Cytomx Therapeutics?

Cytomx Therapeutics (NASDAQ: CTMX) is owned by 81.09% institutional shareholders, 12.77% Cytomx Therapeutics insiders, and 6.14% retail investors. Kevin P. Starr is the largest individual Cytomx Therapeutics shareholder, owning 5.20M shares representing 3.07% of the company. Kevin P. Starr's Cytomx Therapeutics shares are currently valued at $22.11M.

If you're new to stock investing, here's how to buy Cytomx Therapeutics stock.
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