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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
Stuart PoultonEVP Chief Development Officer2025-07-29191$4.37
$834.67Sell
Kristin AbateChief Accounting Officer2025-07-22238$4.00
$952.00Sell
Richard A. PaulsonPresident and CEO2025-05-06236$7.12
$1.68kSell
Reshma RangwalaEVP Chief Medical Officer2025-04-23419$6.17
$2.59kSell
Richard A. PaulsonPresident and CEO2025-04-04245$3.74
$916.30Sell
Kristin AbateChief Accounting Officer2025-03-04571$6.29
$3.59kSell
Sohanya Roshan ChengEVP Chief Commercial Officer2025-03-043,445$6.29
$21.67kSell
Michael ManoSVP General CounselSecretary2025-03-042,793$6.29
$17.57kSell
Richard A. PaulsonPresident and CEO2025-03-0411,694$6.29
$73.56kSell
Stuart PoultonEVP Chief Development Officer2025-03-043,548$6.29
$22.32kSell

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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 Ltd188.17%16,258,079$65.52MInsider
Plio Ltd73.35%6,336,946$25.54MInsider
Marcin Czernik68.65%5,930,939$23.90MInsider
Deepika Pakianathan26.43%2,283,343$9.20MInsider
Sharon Shacham19.35%1,671,888$6.74MInsider
Michael Kauffman18.66%1,611,888$6.50MInsider
Vanguard Group Inc5.91%510,294$2.06MInstitution
Adage Capital Partners GP LLC4.88%421,322$1.70MInstitution
Michael Mason4.53%391,054$1.58MInsider
Palo Alto Investors LP3.75%324,032$1.31MInstitution

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KPTI vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
KPTI9.36%90.64%Net SellingNet Selling
MEIP15.31%84.69%
XLO39.34%60.66%Net BuyingNet Buying
CLGN11.28%0.00%
CLNN1.16%98.84%Net BuyingNet Selling
View Top Biotech Stocks

Karyopharm Therapeutics Stock Ownership FAQ

Who owns Karyopharm Therapeutics?

Karyopharm Therapeutics (NASDAQ: KPTI) is owned by 42.41% institutional shareholders, 410.85% Karyopharm Therapeutics insiders, and 0.00% retail investors. Chione Ltd is the largest individual Karyopharm Therapeutics shareholder, owning 16.26M shares representing 188.17% of the company. Chione Ltd's Karyopharm Therapeutics shares are currently valued at $64.54M.

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