Security key
48576U106
Karyopharm Therapeutics Inc. - Common Stock, par value $0.0001 per share (KPTI)
CUSIP: 48576U106
Q4 2023 13F Holders as of 31 Dec 2023
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 73,344,053
- Total 13F value
- $63,441,322
- Share change
- -2,984,389
- Put/Call ratio
- 1.7%
- SEC-reported price per share
- $0.86
- Number of holders
- 118
- Value change
- -$4,574,345
- Number of buys
- 43
- Number of sells
- 63
- Shares outstanding
- 22,658,403
Holder snapshot
7 signals
Show 1 more signal
Security identity
1 source field
Report period
Q4 2023
Institutions
118
Top holders
10
KPTI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2024
Previous quarter: Q3 2023
Karyopharm Therapeutics Inc. SEC filings
Karyopharm Therapeutics Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 48576U106
Recent filing periods:
Ownership snapshot
Top reported holders of KPTI - Karyopharm Therapeutics Inc. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
15/15
Latest evidence
30 Sep 2023
13F
Lead comparable stake: 49%
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. leads the comparable SEC ownership view at 49%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Comparable ownership
Top 5
BlackRock Finance, Inc.
49%
VANGUARD GROUP INC
39%
Avidity Partners Management LP
37%
Palo Alto Investors LP
25%
CITADEL ADVISORS LLC
14%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock Finance, Inc. |
13F
Company
|
49%
|
$14,855,954
11,086,533 shares
|
— | 30 Sep 2023 |
| VANGUARD GROUP INC |
13F
Company
|
39%
|
$11,818,705
8,819,929 shares
|
— | 30 Sep 2023 |
| Avidity Partners Management LP |
13F
Company
|
37%
|
$11,120,084
8,298,570 shares
|
— | 30 Sep 2023 |
| Palo Alto Investors LP |
13F
Company
|
25%
|
$7,605,674
5,675,876 shares
|
— | 30 Sep 2023 |
| CITADEL ADVISORS LLC |
13F
Company
|
14%
|
$4,159,210
3,103,888 shares
|
— | 30 Sep 2023 |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
Company
|
10%
|
$3,153,728
2,353,528 shares
|
— | 30 Sep 2023 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
118
Shares
73,344,053
Rows available
118
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2023 vs Q3 2023 Across Filers
Q3 2023 holders
117
Q4 2023 holders
118
Holder diff
1
| Investor | Q3 2023 Shares | Q4 2023 Shares | Share Diff | Share Chg % | Q3 2023 value | Q4 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend