Karyopharm Therapeutics Ownership | Who Owns Karyopharm Therapeutics?
Karyopharm Therapeutics Ownership Summary
Karyopharm Therapeutics is owned by 4.36% institutional investors, 6.39% insiders, and 89.25% retail investors. Palo alto investors lp is the largest institutional shareholder, holding 3.93% of KPTI shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.71% of its assets in Karyopharm Therapeutics shares.
KPTI Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Karyopharm Therapeutics | 4.36% | 6.39% | 89.25% |
| Sector | Healthcare Stocks | 279.19% | 10.62% | -189.81% |
| Industry | Biotech Stocks | 63.96% | 10.74% | 25.30% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Palo alto investors lp | 4.91M | 3.93% | $3.32M |
| Blackrock | 4.17M | 3.61% | $3.62M |
| Renaissance | 1.20M | 0.96% | $813.31K |
| Susquehanna group, llp | 664.14K | 0.53% | $449.16K |
| State street | 453.81K | 0.39% | $393.73K |
| Birchview capital, lp | 419.83K | 0.34% | $283.93K |
| Acadian asset management | 342.85K | 0.27% | $230.00K |
| Bank of america corp /de/ | 298.69K | 0.26% | $258.96K |
| D. e. shaw | 229.69K | 0.18% | $155.34K |
| Morgan stanley | 200.01K | 0.17% | $173.53K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Palo alto investors lp | 4.91M | 0.51% | $3.32M |
| Birchview capital, lp | 419.83K | 0.23% | $283.93K |
| Renaissance | 1.20M | 0.00% | $813.31K |
| Alyeska investment group | 144.51K | 0.00% | $125.38K |
| Acadian asset management | 342.85K | 0.00% | $230.00K |
| Susquehanna group, llp | 664.14K | 0.00% | $449.16K |
| D. e. shaw | 229.69K | 0.00% | $155.34K |
| Blackrock | 4.17M | 0.00% | $3.62M |
| Price t rowe associates inc /md/ | - | - | - |
| Bruce g. allen investments | - | - | - |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Susquehanna group, llp | 664.14K | 0.00% | 361.60K |
| Alyeska investment group | 144.51K | 0.00% | 144.51K |
| Bank of america corp /de/ | 298.69K | - | 140.77K |
| Gts securities | 18.40K | - | 5.50K |
| Citadel advisors | 24.70K | - | 3.60K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Vanguard group | - | - | -7.65M |
| Adage capital partners gp | - | - | -6.32M |
| Blackrock | 4.17M | 0.00% | -5.28M |
| Blackrock funding, inc. /de | - | - | -3.77M |
| Marshall wace, llp | - | - | -2.40M |
Sold Out
| Holder | Change |
|---|---|
| Zurcher kantonalbank (zurich cantonalbank) | -6.00 |
| Farther finance advisors | -13.00 |
| Nelson, van denburg & campbell wealth management group | -22.00 |
| West branch capital | -48.00 |
| Financial gravity asset management | -50.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2025 | 51 | -45.74% | 5,312,129 | -91.28% | 4 | 0.17% | 4 | -88.89% | 43 | 86.96% |
| Dec 31, 2024 | 92 | -4.17% | 60,468,438 | 1.78% | 48 | 2.14% | 34 | 13.33% | 24 | -22.58% |
| Sep 30, 2024 | 96 | -20.00% | 59,409,677 | -12.02% | 47 | 1.39% | 31 | -41.51% | 31 | -6.06% |
| Jun 30, 2024 | 120 | - | 67,526,761 | -9.69% | 58 | 1.36% | 53 | -7.02% | 33 | 6.45% |
| Mar 31, 2024 | 120 | -3.23% | 74,774,768 | 1.78% | 65 | 1.59% | 57 | 18.75% | 31 | -24.39% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 3.42M | 2.71% | -1.00 |
| Vanguard Total Stock Mkt Idx Inv | 228.10K | 2.66% | - |
| Vanguard Explorer Inv | 133.88K | 1.56% | 12.00 |
| Vanguard Institutional Extnd Mkt Idx Tr | 117.51K | 1.37% | 7.97K |
| C WorldWide Healthcare Select 1A | 100.00K | 1.17% | - |
| T. Rowe Price Small-Cap Value | 85.90K | 1.02% | 85.90K |
| AlphaCentric LifeSci Healthcare I | 1.13M | 0.90% | - |
| AlphaCentric Life Sciences & Hlthcare I | 1.13M | 0.89% | - |
| Kennedy Micro Cap | 1.03M | 0.81% | -22.77K |
| T. Rowe Price U.S. SC Value Eq Tr-Z | 50.09K | 0.60% | 50.09K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| May 06, 2025 | Paulson Richard A. | President and CEO | Sell | $1.68K |
| Apr 23, 2025 | Rangwala Reshma | EVP & Chief Medical Officer | Sell | $2.59K |
| Apr 04, 2025 | Paulson Richard A. | President and CEO | Sell | $916.30 |
| Mar 04, 2025 | Mano Michael | SVP, General Counsel&Secretary | Sell | $17.57K |
| Feb 18, 2025 | Poulton Stuart | EVP, Chief Development Officer | Sell | $3.73K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | 3 |
| 2025 Q1 | - | 4 |
| 2024 Q4 | - | 3 |
| 2024 Q3 | - | 7 |
| 2024 Q2 | - | 16 |
KPTI Ownership FAQ
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