Position in MREO
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$5,972
-$168,949 QoQ
Shares Held
18,780
-95.5% QoQ
Ownership
0.012%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#34
of 58 holders
Holding Since
Mar 2021
17 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MREO 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. MREO ranks #149 (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 MREO
Export CSV
17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $5,972 | 18,780 | Shares | Sole | 2026-08-12 | |
| 2025-12-31 | $174,921 | 419,477 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $404,314 | 196,269 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $545,092 | 201,141 | Shares | Sole | 2025-08-05 | |
| 2025-03-31 | $9,263 | 4,117 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $192,846 | 55,099 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $139,144 | 33,855 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $149,014 | 41,393 | Shares | Sole | 2024-07-25 | |
| 2024-03-31 | $96,498 | 29,242 | Shares | Sole | 2024-04-25 | |
| 2022-12-31 | $4 | 6,190 | Shares | Sole | 2023-02-02 | |
| 2022-09-30 | $1,603 | 1,862 | Shares | Sole | 2022-11-04 | |
| 2022-06-30 | $79,504 | 70,986 | Shares | Sole | 2022-08-03 | |
| 2022-03-31 | $1,130 | 1,009 | Shares | Sole | 2022-05-02 | |
| 2021-12-31 | $177,732 | 111,083 | Shares | Sole | 2022-02-23 | |
| 2021-09-30 | $27,619 | 11,413 | Shares | Sole | 2021-10-28 | |
| 2021-06-30 | $52,415 | 16,535 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $24,867 | 7,379 | Shares | Sole | 2021-04-26 | |
| No filing history on record for this holder in this stock. | ||||||