Position in RYTM
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$381,388
+$242,838 QoQ
Shares Held
3,435
+38.8% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#203
of 300 holders
Holding Since
Mar 2020
12 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in RYTM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026SIMPLEX TRADING, LLC holds $82,554,796 across 183 Biotechnology names. RYTM ranks #42 (0.5% 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 RYTM
Export CSV
12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $381,388 | 3,435 | Shares | Sole | 2026-08-12 | |
| 2024-12-31 | $138,550 | 2,475 | Shares | Sole | 2025-02-11 | |
| 2022-12-31 | $162,518 | 5,581 | Shares | Sole | 2023-02-02 | |
| 2022-06-30 | $107,443 | 25,890 | Shares | Sole | 2022-08-03 | |
| 2022-03-31 | $44,916 | 3,899 | Shares | Sole | 2022-05-02 | |
| 2021-12-31 | $33,413 | 3,348 | Shares | Sole | 2022-02-23 | |
| 2021-09-30 | $57,516 | 4,404 | Shares | Sole | 2021-10-28 | |
| 2021-06-30 | $101,894 | 5,204 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $100,309 | 4,716 | Shares | Sole | 2021-04-26 | |
| 2020-12-31 | $303,246 | 10,200 | Shares | Sole | 2021-02-02 | |
| 2020-09-30 | $103,690 | 4,785 | Shares | Sole | 2020-10-14 | |
| 2020-03-31 | $18,400 | 1,209 | Shares | Sole | 2020-04-29 | |
| No filing history on record for this holder in this stock. | ||||||