Position in MGTX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$31,073,000
+$9,856,000 QoQ
Shares Held
2,300,000
-6.1% QoQ
Ownership
2.39%
of shares outstanding
% of Portfolio
2.99%
of 13F equity value
Holder Rank
#9
of 156 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MGTX 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. MGTX ranks #3 (8.9% 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
This page
|
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 MGTX
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $31,073,000 | 2,300,000 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $21,217,000 | 2,450,000 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $20,344,701 | 2,559,082 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $21,603,750 | 2,625,000 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $17,538,800 | 2,690,000 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $17,458,500 | 2,575,000 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $14,707,350 | 2,415,000 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $10,633,500 | 2,550,000 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $10,525,000 | 2,500,000 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $15,175,000 | 2,500,000 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $17,550,000 | 2,500,000 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $12,066,860 | 2,457,609 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $16,515,132 | 2,457,609 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $8,659,750 | 1,675,000 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $11,084,000 | 1,700,000 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $13,960,600 | 1,660,000 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $10,900,800 | 1,440,000 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $18,766,750 | 1,355,000 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $32,167,700 | 1,355,000 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $17,333,018 | 1,315,100 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $19,990,489 | 1,289,709 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $17,368,279 | 1,203,623 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $15,689,915 | 1,036,322 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $9,062,078 | 684,447 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $5,206,742 | 415,874 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $5,589,346 | 415,874 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||