Position in MLYS
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$970,713
+$440,779 QoQ
Shares Held
35,979
+83.9% QoQ
Ownership
0.041%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#115
of 226 holders
Holding Since
Sep 2024
7 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MLYS 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. MLYS ranks #22 (1.2% 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 MLYS
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $970,713 | 35,979 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $529,934 | 19,562 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $174,264 | 4,802 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $167,720 | 4,423 | Shares | Sole | 2025-11-12 | |
| 2025-03-31 | $405,622 | 25,543 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $4,148 | 337 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $3 | 304 | Shares | Sole | 2024-11-08 | |
| No filing history on record for this holder in this stock. | ||||||