Position in IRON
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$48,052,980
+$6,044,400 QoQ
Shares Held
657,000
0.0% QoQ
Ownership
1.71%
of shares outstanding
% of Portfolio
0.81%
of 13F equity value
Holder Rank
#19
of 216 holders
Holding Since
Jun 2023
13 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IRON Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026DEERFIELD MANAGEMENT COMPANY, L.P. holds $3,763,549,987 across 45 Biotechnology names. IRON ranks #26 (1.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RVMD |
Revolution Medicines, Inc.
|
2,392,000 | $447,973,760 | |
| 2 | PRAX |
Praxis Precision Medicines, Inc.
|
963,351 | $322,520,281 | |
| 3 | LEGN |
Legend Biotech Corp
|
8,137,638 | $235,014,985 | |
| 4 | COGT |
Cogent Biosciences, Inc.
|
5,006,104 | $193,736,224 | |
| 5 | GMAB |
Genmab A/S
|
6,865,000 | $188,581,550 | |
| 6 | VERA |
Vera Therapeutics, Inc.
|
3,916,400 | $168,052,724 | |
| 7 | IONS |
Ionis Pharmaceuticals Inc
|
1,979,669 | $156,967,955 | |
| 8 | CELC |
Celcuity Inc.
|
1,451,014 | $151,805,084 |
All Filings in IRON
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $48,052,980 | 657,000 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $42,008,580 | 657,000 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $40,591,453 | 511,163 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $60,754,150 | 919,403 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $48,691,582 | 919,403 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $38,835,010 | 782,333 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $38,072,651 | 600,515 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $50,283,242 | 1,023,265 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $46,118,553 | 1,023,265 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $41,436,209 | 665,535 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $26,817,505 | 464,292 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $20,201,400 | 430,000 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $19,092,000 | 430,000 | Shares | Defined | 2023-08-14 | |
| No filing history on record for this holder in this stock. | ||||||