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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 Officer2026-01-2850$7.03
$351.50Sell
Kristin AbateChief Accounting Officer2026-01-21265$5.96
$1.58kSell
Kristin AbateChief Accounting Officer2025-10-01362$6.30
$2.28kSell
Reshma RangwalaEVP Chief Medical Officer2025-09-15408$6.43
$2.62kSell
Stuart PoultonEVP Chief Development Officer2025-09-15401$6.43
$2.58kSell
Sohanya Roshan ChengEVP Chief Commercial Officer2025-09-15325$6.43
$2.09kSell
Michael ManoSVP General CounselSecretary2025-09-15234$6.43
$1.50kSell
Kristin AbateChief Accounting Officer2025-09-1523$6.43
$147.89Sell
Richard A. PaulsonPresident and CEO2025-09-151,257$6.43
$8.08kSell
Kristin AbateChief Accounting Officer2025-09-0312$6.78
$81.36Sell

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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$102.59MInsider
Plio Ltd37.16%6,336,946$39.99MInsider
Marcin Czernik34.78%5,930,939$37.42MInsider
Deepika Pakianathan13.39%2,283,343$14.41MInsider
Sharon Shacham9.81%1,671,888$10.55MInsider
Michael Kauffman9.45%1,611,888$10.17MInsider
T Rowe Price Investment Management Inc4.11%700,992$4.42MInstitution
Adage Capital Partners GP LLC2.47%421,322$2.66MInstitution
Vanguard Group Inc2.39%408,222$2.58MInstitution
Michael Mason2.29%391,054$2.47MInsider

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KPTI vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
KPTI7.67%92.33%Net SellingNet Selling
ACOG25.95%5.86%Net Buying
MGNX65.80%34.20%Net Buying
OVID50.85%25.88%Net Selling
CRDF37.34%26.00%Net Buying
View Top Biotech Stocks

Karyopharm Therapeutics Stock Ownership FAQ

Who owns Karyopharm Therapeutics?

Karyopharm Therapeutics (NASDAQ: KPTI) is owned by 17.45% institutional shareholders, 210.03% 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 $106.49M.

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