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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 AbateCAO2026-09-0119$2.02
$38.38Sell
Stuart PoultonEVP;CXO2026-07-28189$7.10
$1.34kSell
Reshma RangwalaEVP Chief Medical Officer2026-05-14408$9.50
$3.88kSell
Kristin AbateChief Accounting Officer2026-05-1453$9.50
$503.50Sell
Sohanya Roshan ChengEVP Chief Commercial Officer2026-05-14324$9.50
$3.08kSell
Michael ManoEVP CLOSecretary2026-05-14266$9.50
$2.53kSell
Richard A. PaulsonPresident and CEO2026-05-142,203$9.50
$20.93kSell
Stuart PoultonEVP Chief Development Officer2026-05-14403$9.50
$3.83kSell
Reshma RangwalaEVP Chief Medical Officer2026-04-21449$8.94
$4.01kSell
Michael ManoEVP CLOSecretary2026-03-023,526$9.41
$33.18kSell

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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 Ltd71.68%16,258,079$26.01MInsider
Plio Ltd27.94%6,336,946$10.14MInsider
Marcin Czernik26.15%5,930,939$9.49MInsider
Deepika Pakianathan10.14%2,298,851$3.68MInsider
Sharon Shacham7.37%1,671,888$2.68MInsider
Michael Kauffman7.11%1,611,888$2.58MInsider
Michael Mason1.72%391,054$625.69kInsider
Richard A. Paulson1.19%269,747$431.60kInsider
Ran Frenkel0.74%168,290$269.26kInsider
Jatin Shah0.57%129,450$207.12kInsider

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KPTI vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
KPTI0.06%99.94%Net SellingNet Selling
CELU0.00%100.00%Net Selling
FLNA0.03%73.68%Net Buying
CNTX0.07%1.43%
CRVO0.00%100.00%Net Buying
View Top Biotech Stocks

Karyopharm Therapeutics Stock Ownership FAQ

Who owns Karyopharm Therapeutics?

Karyopharm Therapeutics (NASDAQ: KPTI) is owned by 0.09% institutional shareholders, 158.30% Karyopharm Therapeutics insiders, and 0.00% retail investors. Chione Ltd is the largest individual Karyopharm Therapeutics shareholder, owning 16.26M shares representing 71.68% of the company. Chione Ltd's Karyopharm Therapeutics shares are currently valued at $25.04M.

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