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NASDAQ: DFTX
Definium Therapeutics Inc Stock Ownership - Who owns Definium Therapeutics?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Definium Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Robert BarrowChief Executive Officer2026-03-2524,431$18.47
$451.24kSell
Daniel KarlinChief Medical Officer2026-03-258,018$18.47
$148.09kSell
Mark SullivanChief Legal Officer2026-03-2510,702$18.47
$197.67kSell
Daniel KarlinChief Medical Officer2025-12-265,600$13.15
$73.62kSell
Robert BarrowChief Executive Officer2025-12-2625,791$13.15
$339.07kSell
Mark SullivanChief Legal Officer2025-12-2611,276$13.15
$148.25kSell
Mark SullivanChief Legal Officer2025-09-2511,278$9.77
$110.19kSell
Robert BarrowChief Executive Officer2025-09-2525,797$9.77
$252.04kSell
Daniel KarlinChief Medical Officer2025-09-257,704$9.77
$75.27kSell
Robert BarrowChief Executive Officer2025-06-2526,491$6.80
$180.14kSell

1 of 2

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

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DFTX Shareholders

What type of owners hold Definium Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Stephen L. Hurst40.85%40,722,778$947.21MInsider
Blackrock Inc8.30%8,273,276$192.44MInstitution
Driehaus Capital Management LLC6.56%6,537,202$152.06MInstitution
Avoro Capital Advisors LLC5.02%5,000,000$116.30MInstitution
Marshall Wace LLP2.98%2,975,702$69.21MInstitution
Vanguard Group Inc2.60%2,591,901$60.29MInstitution
Trails Edge Capital Partners LP2.58%2,568,110$59.73MInstitution
Janus Henderson Group PLC2.42%2,411,696$56.10MInstitution
State Street Corp2.38%2,368,066$55.08MInstitution
Geode Capital Management LLC2.34%2,332,938$54.26MInstitution

1 of 3

DFTX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
DFTX60.15%39.85%Net SellingNet Selling
BCRX83.18%15.30%Net SellingNet Buying
AAPG0.01%22.93%
CLDX85.25%14.75%Net Buying
MLYS69.58%30.42%Net BuyingNet Buying
View Top Biotech Stocks

Definium Therapeutics Stock Ownership FAQ

Who owns Definium Therapeutics?

Definium Therapeutics (NASDAQ: DFTX) is owned by 68.07% institutional shareholders, 45.09% Definium Therapeutics insiders, and 0.00% retail investors. Stephen L. Hurst is the largest individual Definium Therapeutics shareholder, owning 40.72M shares representing 40.85% of the company. Stephen L. Hurst's Definium Therapeutics shares are currently valued at $915.45M.

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