Position in STTK
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$37,593
+$36,678 QoQ
Shares Held
5,417
+368.6% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#90
of 100 holders
Holding Since
Jun 2022
10 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in STTK 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. STTK ranks #112 (0.0% 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 STTK
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $37,593 | 5,417 | Shares | Sole | 2026-08-12 | |
| 2025-06-30 | $915 | 1,156 | Shares | Sole | 2025-08-05 | |
| 2024-12-31 | $303 | 251 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $33,497 | 9,598 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $3 | 913 | Shares | Sole | 2024-07-25 | |
| 2024-03-31 | $69,642 | 7,790 | Shares | Sole | 2024-04-25 | |
| 2023-09-30 | $231 | 152 | Shares | Sole | 2023-11-01 | |
| 2023-06-30 | $889 | 285 | Shares | Sole | 2023-08-04 | |
| 2022-09-30 | $14,172 | 5,249 | Shares | Sole | 2022-11-04 | |
| 2022-06-30 | $22,362 | 5,508 | Shares | Sole | 2022-08-03 | |
| No filing history on record for this holder in this stock. | ||||||