Disc Medicine, Inc. Common Stock (IRON)
PHARMACEUTICAL PREPARATIONS
Disc Medicine, Inc. Common Stock (IRON) is listed on Nasdaq, where it has traded since February 8, 2021.
- Listed On
- Nasdaq
- Listed Since
- February 8, 2021
- Employees
- 165
- Market Cap
- $2.5B
About Disc Medicine, Inc. Common Stock
Disc Medicine Inc is a clinical-stage biopharmaceutical company focused on the discovery, development, and commercialization of novel treatments for hematologic diseases. It aims to modify fundamental biological pathways associated with the formation and function of red blood cells, specifically heme biosynthesis and iron homeostasis. Its pipeline includes bitopertin for erythropoietic porphyrias (EPs), including erythropoietic protoporphyria (EPP), X-linked protoporphyria (XLP), and Diamond-Blackfan Anemia (DBA); DISC-0974 for the treatment of anemia of myelofibrosis (MF) and anemia of chronic kidney disease (CKD); and DISC-3405 for the treatment of polycythemia vera (PV) and other hematologic disorders. In addition, the Company's preclinical programs include DISC-0998.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 211 institutions reported holding IRON, with 42.8 million shares worth $3.1 billion in aggregate. The largest reported holder was FMR, with 4.9 million shares worth $358.0 million. Of the 5 largest holders listed below, 3 added shares, 1 reduced its position and 1 held its position unchanged during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| FMR | 4,894,473 | $358M | Reduced 12.39% |
| BlackRock | 2,467,899 | $181M | Added 8.53% |
| RA Capital Management, | 2,450,221 | $179M | Unchanged |
| Vanguard | 1,909,829 | $140M | Added 1.87% |
| JPMorgan Chase | 1,875,795 | $140M | Added 36.77% |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is IRON?
Disc Medicine, Inc. Common Stock (IRON) is listed on Nasdaq, where it has traded since February 8, 2021.
Who are the largest institutional holders of IRON?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of IRON were FMR, BlackRock and RA Capital Management,.
How many institutions own IRON?
211 institutions reported a position in IRON for the quarter ended June 30, 2026, worth $3.1 billion in total.
Did institutions buy or sell IRON last quarter?
Of the 5 largest reported holders, 3 added shares, 1 reduced its position and 1 held its position unchanged during the quarter. Every reported holder and its change is on the SentiSense ownership page for IRON.
Every reported institutional holder, plus insider and congressional trades in IRON, on SentiSense.