Position in KPTI
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$235,320
-$6,588 QoQ
Shares Held
24,086
-26.7% QoQ
Ownership
0.106%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#62
of 96 holders
Holding Since
Jun 2020
16 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 Jun 30, 2026SIMPLEX TRADING, LLC holds $83,352,766 across 183 Biotechnology names. KPTI ranks #56 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MRNA |
Moderna, Inc.
|
154,558 | $10,823,696 | |
| 2 | QURE |
uniQure N.V.
|
110,219 | $5,076,687 | |
| 3 | ERAS |
Erasca, Inc.
|
276,988 | $5,074,420 | |
| 4 | AXSM |
Axsome Therapeutics, Inc.
|
19,643 | $4,808,017 | |
| 5 | BBIO |
BridgeBio Pharma, Inc.
|
55,535 | $4,136,246 | |
| 6 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
11,567 | $3,482,014 | |
| 7 | ARWR |
Arrowhead Pharmaceuticals, Inc.
|
29,002 | $2,363,953 | |
| 8 | SLS |
SELLAS Life Sciences Group, Inc.
|
154,099 | $2,274,501 |
All Filings in KPTI
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $235,320 | 24,086 | Shares | Sole | 2026-08-12 | |
| 2025-12-31 | $241,908 | 32,868 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $38,337 | 5,862 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $35,484 | 8,233 | Shares | Sole | 2025-08-05 | |
| 2024-03-31 | $84,537 | 55,985 | Shares | Sole | 2024-04-25 | |
| 2023-12-31 | $18,165 | 21,001 | Shares | Sole | 2024-02-02 | |
| 2023-09-30 | $28,818 | 21,506 | Shares | Sole | 2023-11-01 | |
| 2022-12-31 | $59,177 | 17,405 | Shares | Sole | 2023-02-02 | |
| 2022-09-30 | $31,744 | 5,814 | Shares | Sole | 2022-11-04 | |
| 2022-06-30 | $30,988 | 6,871 | Shares | Sole | 2022-08-03 | |
| 2021-12-31 | $377,653 | 58,733 | Shares | Sole | 2022-02-23 | |
| 2021-06-30 | $2,930 | 284 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $32,717 | 3,110 | Shares | Sole | 2021-04-26 | |
| 2020-12-31 | $176,549 | 11,405 | Shares | Sole | 2021-02-02 | |
| 2020-09-30 | $151,840 | 10,400 | Shares | Sole | 2020-10-14 | |
| 2020-06-30 | $372,909 | 19,689 | Shares | Sole | 2020-07-13 | |
| No filing history on record for this holder in this stock. | ||||||