Position in PYXS
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$114,085
+$113,716 QoQ
Shares Held
37,902
+14881.0% QoQ
Ownership
0.045%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#42
of 76 holders
Holding Since
Jun 2023
11 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PYXS 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. PYXS ranks #79 (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 PYXS
Export CSV
11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $114,085 | 37,902 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $369 | 253 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $11,258 | 9,790 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $16,501 | 7,433 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $13,876 | 12,615 | Shares | Sole | 2025-08-05 | |
| 2025-03-31 | $8,628 | 8,805 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $5,219 | 3,346 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $104,484 | 28,470 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $134,902 | 40,756 | Shares | Sole | 2024-07-25 | |
| 2023-09-30 | $2 | 1,402 | Shares | Sole | 2023-11-01 | |
| 2023-06-30 | $5 | 2,342 | Shares | Sole | 2023-08-04 | |
| No filing history on record for this holder in this stock. | ||||||