Position in PYXS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,308,543
+$282,847 QoQ
Shares Held
896,263
+0.5% QoQ
Ownership
1.41%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
#6
of 78 holders
Holding Since
Sep 2024
7 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in PYXS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026683 Capital Management, LLC holds $316,393,134 across 63 Biotechnology names. PYXS ranks #32 (0.4% 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 | ANAB |
Anaptysbio, Inc
|
625,000 | $34,662,500 | |
| 4 | MGTX |
MeiraGTx Holdings plc
|
2,450,000 | $21,217,000 | |
| 5 | PHAT |
Phathom Pharmaceuticals, Inc.
|
1,850,000 | $20,553,500 | |
| 6 | TGTX |
Tg Therapeutics, Inc.
|
590,000 | $19,599,800 | |
| 7 | SRPT |
Sarepta Therapeutics, Inc.
|
750,000 | $16,320,000 | |
| 8 | FOLD |
AMICUS THERAPEUTICS, INC.
|
775,000 | $11,206,500 |
All Filings in PYXS
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,308,543 | 896,263 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $1,025,696 | 891,910 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $1,165,500 | 525,000 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $599,500 | 545,000 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $539,000 | 550,000 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $647,400 | 415,000 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $1,521,787 | 414,656 | Shares | Defined | 2024-11-14 | |
| No filing history on record for this holder in this stock. | ||||||