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

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

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

DFTX Shareholders

What type of owners hold Definium Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Stephen L. Hurst40.85%40,722,778$699.62MInsider
Blackrock Inc8.30%8,273,276$142.13MInstitution
Driehaus Capital Management LLC6.56%6,537,202$112.31MInstitution
Avoro Capital Advisors LLC5.02%5,000,000$85.90MInstitution
Marshall Wace LLP2.98%2,975,702$51.12MInstitution
Vanguard Group Inc2.60%2,591,901$44.53MInstitution
Trails Edge Capital Partners LP2.58%2,568,110$44.12MInstitution
Janus Henderson Group PLC2.42%2,411,696$41.43MInstitution
State Street Corp2.38%2,368,066$40.68MInstitution
Geode Capital Management LLC2.34%2,332,938$40.08MInstitution

1 of 3

DFTX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
DFTX59.81%40.19%Net SellingNet Selling
RLAY78.46%21.54%Net SellingNet Selling
TYRA62.55%37.45%Net BuyingNet Selling
VCEL91.15%8.85%Net SellingNet Selling
PHVS90.89%0.00%

Definium Therapeutics Stock Ownership FAQ

Who owns Definium Therapeutics?

Definium Therapeutics (NASDAQ: DFTX) is owned by 68.07% institutional shareholders, 45.74% 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 $720.39M.

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