Position in GUTS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$3,081,073
-$10,223,691 QoQ
Shares Held
6,727,235
+11.2% QoQ
Ownership
4.24%
of shares outstanding
% of Portfolio
0.31%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2024
9 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in GUTS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026683 Capital Management, LLC holds $329,314,446 across 63 Biotechnology names. GUTS ranks #23 (0.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PTGX |
Protagonist Therapeutics, Inc
|
355,000 | $37,417,000 | |
| 2 | WVE |
Wave Life Sciences Ltd.
|
4,900,000 | $35,525,000 | |
| 3 | IMUX |
Immunic, Inc.
|
2,450,000 | $27,195,000 | |
| 4 | ANAB |
Anaptysbio, Inc
|
625,000 | $23,108,312 | |
| 5 | MGTX |
MeiraGTx Holdings plc
|
2,450,000 | $21,217,000 | |
| 6 | PHAT |
Phathom Pharmaceuticals, Inc.
|
1,850,000 | $20,553,500 | |
| 7 | TGTX |
Tg Therapeutics, Inc.
|
590,000 | $19,599,800 | |
| 8 | SRPT |
Sarepta Therapeutics, Inc.
|
750,000 | $16,320,000 |
All Filings in GUTS
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10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,081,073 | 6,727,235 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $13,304,764 | 6,047,620 | Shares | Defined | 2026-02-17 | |
| 2025-10-10 | $9,547,500 | 7,125,000 | Shares | Sole | 2025-10-14 | |
| 2025-09-30 | $7,393,500 | 4,650,000 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $1,044,900 | 645,000 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $773,500 | 650,000 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $1,339,000 | 650,000 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $1,581,250 | 625,000 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $2,745,610 | 643,000 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $5,550,000 | 750,000 | Shares | Defined | 2024-05-15 | |
| No filing history on record for this holder in this stock. | ||||||