NASDAQ: SMMT
Summit Therapeutics Inc Stock Ownership - Who owns Summit Therapeutics?

Insider buying vs selling

Have Summit Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Robert W. DugganCo-Chief Executive Officer2025-05-3074,545$2.64
$196.80kBuy
Mahkam ZanganehCo-Chief Executive Officer2025-05-3074,545$2.64
$196.80kBuy
Robert W. DugganCo-Chief Executive Officer2025-04-083,985,055$1.58
$6.30MBuy
Mahkam ZanganehCo-Chief Executive Officer2025-04-083,985,055$1.58
$6.30MBuy
Mahkam ZanganehCo-Chief Executive Officer2024-10-03315,681$1.58
$498.78kBuy
Manmeet Singh SoniCOO and CFO2024-09-1144,052$22.70
$999.98kBuy
Robert W. DugganCo-Chief Executive Officer2024-09-113,325,991$22.70
$75.50MBuy
Jeff HuberDirector2024-09-1144,052$22.70
$999.98kBuy
Bhaskar AnandChief Accounting Officer2024-09-1122,026$22.70
$499.99kBuy
Mahkam ZanganehCo-Chief Executive Officer2024-09-1144,052$22.70
$999.98kBuy

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Net Insider Buy/Sell (L12M) Ownership

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SMMT Shareholders

What type of owners hold Summit Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Mahkam Zanganeh84.28%625,951,031$14.39BInsider
Robert W. Duggan79.64%591,493,138$13.60BInsider
Baker Bros Advisors LP3.29%24,424,865$561.53MInstitution
Yu Xia2.90%21,523,530$494.83MInsider
Maky Zanganeh2.01%14,915,775$342.91MInsider
Vanguard Group Inc1.57%11,640,507$267.62MInstitution
Fmr LLC1.26%9,338,223$214.69MInstitution
Blackrock Inc1.13%8,397,556$193.06MInstitution
Price T Rowe Associates Inc0.88%6,557,804$150.76MInstitution
State Street Corp0.65%4,851,388$111.53MInstitution

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SMMT vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SMMT7.21%92.79%Net BuyingNet Buying
INSM84.00%16.00%Net SellingNet Selling
RPRX56.29%17.86%Net BuyingNet Buying
GMAB98.03%0.00%
UTHR87.49%12.51%Net SellingNet Buying

Summit Therapeutics Stock Ownership FAQ

Who owns Summit Therapeutics?

Summit Therapeutics (NASDAQ: SMMT) is owned by 13.16% institutional shareholders, 169.32% Summit Therapeutics insiders, and 0.00% retail investors. Mahkam Zanganeh is the largest individual Summit Therapeutics shareholder, owning 625.95M shares representing 84.28% of the company. Mahkam Zanganeh's Summit Therapeutics shares are currently valued at $15.49B.

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