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NASDAQ: KPTI
Karyopharm Therapeutics Inc Stock Ownership - Who owns Karyopharm Therapeutics?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Karyopharm Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Kristin AbateChief Accounting Officer2025-10-01362$6.30
$2.28kSell
Richard A. PaulsonPresident and CEO2025-09-151,257$6.43
$8.08kSell
Stuart PoultonEVP Chief Development Officer2025-09-15401$6.43
$2.58kSell
Kristin AbateChief Accounting Officer2025-09-1523$6.43
$147.89Sell
Sohanya Roshan ChengEVP Chief Commercial Officer2025-09-15325$6.43
$2.09kSell
Michael ManoSVP General CounselSecretary2025-09-15234$6.43
$1.50kSell
Reshma RangwalaEVP Chief Medical Officer2025-09-15408$6.43
$2.62kSell
Kristin AbateChief Accounting Officer2025-09-0312$6.78
$81.36Sell
Stuart PoultonEVP Chief Development Officer2025-07-29191$4.37
$834.67Sell
Kristin AbateChief Accounting Officer2025-07-22238$4.00
$952.00Sell

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Net Insider Buy/Sell (L12M) Ownership

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KPTI Shareholders

What type of owners hold Karyopharm Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Chione Ltd95.35%16,258,079$88.77MInsider
Plio Ltd37.16%6,336,946$34.60MInsider
Marcin Czernik34.78%5,930,939$32.38MInsider
Deepika Pakianathan13.39%2,283,343$12.47MInsider
Sharon Shacham9.81%1,671,888$9.13MInsider
Michael Kauffman9.45%1,611,888$8.80MInsider
T Rowe Price Investment Management Inc4.11%700,992$3.83MInstitution
Adage Capital Partners GP LLC2.47%421,322$2.30MInstitution
Vanguard Group Inc2.39%408,222$2.23MInstitution
Michael Mason2.29%391,054$2.14MInsider

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KPTI vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
KPTI7.70%92.30%Net SellingNet Selling
ZNTL62.63%37.37%Net Buying
HURA11.93%36.85%
ONCY2.72%0.00%
ATRA14.04%85.96%Net BuyingNet Selling
View Top Biotech Stocks

Karyopharm Therapeutics Stock Ownership FAQ

Who owns Karyopharm Therapeutics?

Karyopharm Therapeutics (NASDAQ: KPTI) is owned by 17.45% institutional shareholders, 209.09% Karyopharm Therapeutics insiders, and 0.00% retail investors. Chione Ltd is the largest individual Karyopharm Therapeutics shareholder, owning 16.26M shares representing 95.35% of the company. Chione Ltd's Karyopharm Therapeutics shares are currently valued at $96.09M.

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