Position in MREO
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$3,745,358
-$214,642 QoQ
Shares Held
11,777,856
-1.9% QoQ
Ownership
7.38%
of shares outstanding
% of Portfolio
0.36%
of 13F equity value
Holder Rank
#2
of 58 holders
Holding Since
Dec 2022
15 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, 2026683 Capital Management, LLC holds $349,034,024 across 34 Biotechnology names. MREO ranks #20 (1.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ANAB |
Anaptysbio, Inc
|
660,000 | $44,550,000 | |
| 2 | PTGX |
Protagonist Therapeutics, Inc
|
290,000 | $35,548,200 | |
| 3 | MGTX |
MeiraGTx Holdings plc
|
2,300,000 | $31,073,000 | |
| 4 | WVE |
Wave Life Sciences, Inc.
|
4,950,000 | $28,759,500 | |
| 5 | QURE |
uniQure N.V.
|
575,000 | $26,484,500 | |
| 6 | TGTX |
Tg Therapeutics, Inc.
|
389,081 | $21,376,110 | |
| 7 | PHAT |
Phathom Pharmaceuticals, Inc.
|
1,850,000 | $20,072,500 | |
| 8 | TRAX |
First Tracks Biotherapeutics, Inc.
|
750,000 | $15,090,000 |
All Filings in MREO
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $3,745,358 | 11,777,856 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $3,960,000 | 12,000,000 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $6,265,425 | 15,025,000 | Shares | Defined | 2026-02-17 | |
| 2025-12-29 | $18,548,887 | 65,083,815 | Shares | Sole | 2026-01-06 | |
| 2025-09-30 | $10,042,500 | 4,875,000 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $11,788,500 | 4,350,000 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $10,428,750 | 4,635,000 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $15,925,000 | 4,550,000 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $19,932,678 | 4,849,800 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $18,000,000 | 5,000,000 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $18,975,000 | 5,750,000 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $14,322,000 | 6,200,000 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $7,740,000 | 6,000,000 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $7,128,000 | 5,400,000 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $1,414,000 | 2,000,000 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $93,750 | 125,000 | Shares | Defined | 2023-02-14 | |
| No filing history on record for this holder in this stock. | ||||||