Karyopharm Therapeutics Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:KPTI Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
07 Jun 24	SellUS$785,027	Delphi Ventures, LLC	Company	818,044	US$0.98
04 Jun 24	SellUS$880,693	Delphi Ventures, LLC	Company	906,178	US$1.00
04 Jun 24	SellUS$645	Michael Mason	Individual	652	US$0.99
04 Jun 24	SellUS$3,556	Richard Paulson	Individual	3,592	US$0.99
06 May 24	SellUS$4,041	Richard Paulson	Individual	3,576	US$1.13
22 Apr 24	SellUS$7,943	Reshma Rangwala	Individual	6,789	US$1.17
04 Apr 24	SellUS$4,596	Richard Paulson	Individual	3,563	US$1.29
05 Mar 24	SellUS$4,645	Richard Paulson	Individual	3,573	US$1.30
01 Mar 24	SellUS$117,399	Richard Paulson	Individual	99,844	US$1.20
01 Mar 24	SellUS$31,684	Sohanya Cheng	Individual	26,949	US$1.20
01 Mar 24	SellUS$24,150	Michael Mano	Individual	20,549	US$1.20
01 Mar 24	SellUS$26,470	Stuart Poulton	Individual	22,466	US$1.20
01 Mar 24	SellUS$25,493	Reshma Rangwala	Individual	21,636	US$1.20
01 Mar 24	SellUS$39,788	Michael Mason	Individual	33,849	US$1.20
27 Feb 24	SellUS$3,369	Michael Mason	Individual	2,545	US$1.32
15 Feb 24	SellUS$7,783	Stuart Poulton	Individual	5,847	US$1.40
06 Feb 24	SellUS$6,671	Michael Mason	Individual	4,205	US$1.59
06 Feb 24	SellUS$6,365	Richard Paulson	Individual	4,012	US$1.59
04 Jan 24	SellUS$3,373	Richard Paulson	Individual	4,114	US$0.82
04 Dec 23	SellUS$2,861	Richard Paulson	Individual	3,622	US$0.79
06 Nov 23	SellUS$3,319	Richard Paulson	Individual	3,606	US$0.92
04 Oct 23	SellUS$4,558	Richard Paulson	Individual	3,589	US$1.27
12 Sep 23	BuyUS$49,985	Garen Bohlin	Individual	41,140	US$1.22
05 Sep 23	SellUS$4,817	Richard Paulson	Individual	3,622	US$1.33
01 Sep 23	SellUS$9,872	Sohanya Cheng	Individual	7,415	US$1.33
01 Sep 23	SellUS$5,176	Michael Mano	Individual	3,888	US$1.33
01 Sep 23	SellUS$9,203	Michael Mason	Individual	6,913	US$1.33
07 Aug 23	SellUS$6,402	Richard Paulson	Individual	3,722	US$1.72
28 Jul 23	SellUS$4,837	Stuart Poulton	Individual	2,845	US$1.70
05 Jul 23	SellUS$6,085	Richard Paulson	Individual	3,538	US$1.72

Insider Trading Volume

Insider Buying: KPTI insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of KPTI?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	1,637	0.00131%
Individual Insiders	1,596,720	1.28%
Hedge Funds	8,298,570	6.66%
General Public	36,800,234	29.5%
Institutions	77,935,248	62.5%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 9.3%.

Top Shareholders

Top 25 shareholders own 61.8% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
7.58%	BlackRock, Inc.	9,447,678	US$7.7m	-6.2%	no data
6.69%	The Vanguard Group, Inc.	8,338,401	US$6.8m	-4.27%	no data
6.66%	Avidity Partners Management, L.P.	8,298,570	US$6.8m	0%	0.29%
5.51%	J. Wood Capital Advisors LLC	6,872,027	US$5.6m	0%	no data
4.09%	Palo Alto Investors LP	5,102,193	US$4.2m	0%	0.43%
4.02%	Eversept Partners, L.P.	5,016,320	US$4.1m	0%	0.34%
3.53%	Chione Ltd	4,400,000	US$3.6m	0%	no data
2.81%	Adage Capital Management, L.P.	3,500,000	US$2.9m	110%	0.01%
2.49%	Citadel Advisors LLC	3,105,069	US$2.5m	0.12%	no data
2.08%	Marshall Wace LLP	2,595,599	US$2.1m	34.7%	no data
2.02%	Geode Capital Management, LLC	2,520,105	US$2.1m	5.78%	no data
1.83%	State Street Global Advisors, Inc.	2,285,788	US$1.9m	11.3%	no data
1.42%	BNP Paribas Arbitrage Sa, Asset Management Arm	1,773,758	US$1.4m	0.26%	no data
1.2%	C WorldWide Asset Management Fondsmaeglerselskab A/S	1,500,000	US$1.2m	0%	0.01%
1.16%	Goldman Sachs Group, Investment Banking and Securities Investments	1,440,233	US$1.2m	18.9%	no data
1.07%	JPMorgan Chase & Co, Brokerage and Securities Investments	1,327,470	US$1.1m	19.8%	no data
1.06%	Deutsche Asset & Wealth Management	1,324,977	US$1.1m	-0.15%	no data
1.04%	GSA Capital Partners LLP	1,299,151	US$1.1m	-44.4%	0.1%
0.95%	Millennium Management LLC	1,185,879	US$967.1k	-22.7%	no data
0.9%	Alphacentric Advisors LLC	1,125,000	US$917.4k	0%	0.6%
0.77%	D. E. Shaw & Co., L.P.	962,825	US$785.2k	56%	no data
0.77%	Northern Trust Global Investments	958,805	US$781.9k	-3.75%	no data
0.73%	Renaissance Technologies LLC	906,800	US$739.5k	-53.8%	no data
0.72%	Barclays PLC Private Banking & Investment Banking Investment	892,814	US$728.1k	-7.96%	no data
0.68%	Sharon Shacham	847,276	US$691.0k	0%	no data