Position in SLDB
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$92,757
-$15,941 QoQ
Shares Held
9,285
-38.5% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#117
of 155 holders
Holding Since
Mar 2020
18 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in SLDB Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026SIMPLEX TRADING, LLC holds $82,538,439 across 183 Biotechnology names. SLDB ranks #83 (0.1% 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 SLDB
Export CSV
18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $92,757 | 9,285 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $108,698 | 15,097 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $341,411 | 60,534 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $518,286 | 84,001 | Shares | Sole | 2025-11-12 | |
| 2025-03-31 | $4,051 | 1,095 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $49,040 | 12,260 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $156,441 | 22,445 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $3,180 | 561 | Shares | Sole | 2024-07-25 | |
| 2023-12-31 | $3,297 | 537 | Shares | Sole | 2024-02-02 | |
| 2023-09-30 | $68 | 27 | Shares | Sole | 2023-11-01 | |
| 2022-06-30 | $3,200 | 5,196 | Shares | Sole | 2022-08-03 | |
| 2022-03-31 | $54,520 | 45,434 | Shares | Sole | 2022-05-02 | |
| 2021-12-31 | $25,348 | 14,485 | Shares | Sole | 2022-02-23 | |
| 2021-09-30 | $56,468 | 23,627 | Shares | Sole | 2021-10-28 | |
| 2021-06-30 | $86,474 | 23,627 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $189,070 | 34,190 | Shares | Sole | 2021-04-26 | |
| 2020-12-31 | $148,984 | 19,655 | Shares | Sole | 2021-02-02 | |
| 2020-03-31 | $119,294 | 49,914 | Shares | Sole | 2020-04-29 | |
| No filing history on record for this holder in this stock. | ||||||