Avidity Partners Management LP
Position in KPTI — Karyopharm Therapeutics Inc.
CIK 1791827
DALLAS, TX
Position in KPTI
as of Mar 31, 2026
· filed May 28, 2026
Position Value
$2,583,037
+$1,592,632 QoQ
Shares Held
463,741
+244.6% QoQ
Ownership
2.05%
of shares outstanding
% of Portfolio
0.51%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2025
5 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in KPTI Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Avidity Partners Management LP holds $406,374,529 across 29 Biotechnology names. KPTI ranks #13 (0.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DNTH |
Dianthus Therapeutics, Inc. /DE/
|
2,104,184 | $176,583,121 | |
| 2 | CGON |
CG Oncology, Inc.
|
1,288,948 | $87,236,000 | |
| 3 | ORKA |
Oruka Therapeutics, Inc.
|
760,424 | $37,298,797 | |
| 4 | JBIO |
Jade Biosciences, Inc.
|
1,400,708 | $19,679,947 | |
| 5 | ELVN |
Enliven Therapeutics, Inc.
|
400,000 | $15,680,000 | |
| 6 | CNTX |
Context Therapeutics Inc.
|
4,998,267 | $13,095,459 | |
| 7 | PVLA |
Palvella Therapeutics, Inc.
|
70,000 | $8,725,500 | |
| 8 | VIR |
Vir Biotechnology, Inc.
|
950,000 | $8,512,000 |
All Filings in KPTI
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,583,037 | 463,741 | Shares | Sole | 2026-05-28 | |
| 2025-12-31 | $990,405 | 134,566 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $880,061 | 134,566 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $579,979 | 134,566 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $503,276 | 134,566 | Shares | Sole | 2025-05-15 | |
| No filing history on record for this holder in this stock. | ||||||