WallStreetZenWallStreetZen

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
Kristin AbateChief Accounting Officer2025-09-1523$6.43
$147.89Sell
Richard A. PaulsonPresident and CEO2025-09-151,257$6.43
$8.08kSell
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
Stuart PoultonEVP Chief Development Officer2025-09-15401$6.43
$2.58kSell
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

1 of 3

KPTI insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when KPTI insiders and whales buy or sell their stock.

KPTI Shareholders

What type of owners hold Karyopharm Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Chione Ltd187.49%16,258,079$96.41MInsider
Plio Ltd73.08%6,336,946$37.58MInsider
Marcin Czernik68.40%5,930,939$35.17MInsider
Deepika Pakianathan26.33%2,283,343$13.54MInsider
Sharon Shacham19.28%1,671,888$9.91MInsider
Michael Kauffman18.59%1,611,888$9.56MInsider
T Rowe Price Investment Management Inc8.40%728,766$4.32MInstitution
Vanguard Group Inc5.98%518,269$3.07MInstitution
Adage Capital Partners GP LLC4.86%421,322$2.50MInstitution
Michael Mason4.51%391,054$2.32MInsider

1 of 3

KPTI vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
KPTI11.01%88.99%Net SellingNet Selling
PYPD18.47%0.00%
TELO8.70%26.58%
AKTX0.00%6.84%Net BuyingNet Buying
RADX0.01%0.00%
View Top Biotech Stocks

Karyopharm Therapeutics Stock Ownership FAQ

Who owns Karyopharm Therapeutics?

Karyopharm Therapeutics (NASDAQ: KPTI) is owned by 50.89% institutional shareholders, 411.14% Karyopharm Therapeutics insiders, and 0.00% retail investors. Chione Ltd is the largest individual Karyopharm Therapeutics shareholder, owning 16.26M shares representing 187.49% of the company. Chione Ltd's Karyopharm Therapeutics shares are currently valued at $96.41M.

If you're new to stock investing, here's how to buy Karyopharm Therapeutics stock.
©2025 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.