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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 Officer2025-12-2625,791$13.15
$339.07kSell
Daniel KarlinChief Medical Officer2025-12-265,600$13.15
$73.62kSell
Mark SullivanChief Legal Officer2025-12-2611,276$13.15
$148.25kSell
Daniel KarlinChief Medical Officer2025-09-257,704$9.77
$75.27kSell
Robert BarrowChief Executive Officer2025-09-2525,797$9.77
$252.04kSell
Mark SullivanChief Legal Officer2025-09-2511,278$9.77
$110.19kSell
Mark SullivanChief Legal Officer2025-06-2511,491$6.80
$78.14kSell
Robert BarrowChief Executive Officer2025-06-2526,491$6.80
$180.14kSell
Daniel KarlinChief Medical Officer2025-06-257,848$6.80
$53.37kSell
Robert BarrowChief Executive Officer2025-03-2521,208$6.74
$142.94kSell

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. Hurst41.34%40,722,778$611.66MInsider
Blackrock Inc6.03%5,935,557$89.15MInstitution
Commodore Capital LP3.27%3,225,000$48.44MInstitution
Driehaus Capital Management LLC3.16%3,109,911$46.71MInstitution
Blackstone Inc2.82%2,776,561$41.70MInstitution
Marshall Wace LLP2.42%2,381,980$35.78MInstitution
Octagon Capital Advisors LP2.16%2,130,000$31.99MInstitution
Vanguard Group Inc2.04%2,012,874$30.23MInstitution
State Street Corp1.95%1,924,893$28.91MInstitution
Geode Capital Management LLC1.85%1,824,701$27.41MInstitution

1 of 3

DFTX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
DFTX40.33%45.42%Net SellingNet Selling
NRIX90.92%9.08%Net SellingNet Selling
INVA60.33%39.67%Net SellingNet Buying
NTLA72.71%27.29%Net BuyingNet Buying
FTRE99.48%0.52%Net Buying
View Top Biotech Stocks

Definium Therapeutics Stock Ownership FAQ

Who owns Definium Therapeutics?

Definium Therapeutics (NASDAQ: DFTX) is owned by 40.33% institutional shareholders, 45.42% Definium Therapeutics insiders, and 14.25% retail investors. Stephen L. Hurst is the largest individual Definium Therapeutics shareholder, owning 40.72M shares representing 41.34% of the company. Stephen L. Hurst's Definium Therapeutics shares are currently valued at $612.88M.

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