Disc Medicine, Inc. (IRON) ownership: Top institutional holder: FMR LLC ($357.23M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| FMR LLC | 5586894.00 | $357.23M | 2026-03-31 |
| RA CAPITAL MANAGEMENT, L.P. | 2450221.00 | $156.67M | 2026-03-31 |
| BlackRock, Inc. | 2273831.00 | $145.39M | 2026-03-31 |
| VANGUARD GROUP INC | 1767680.00 | $140.37M | 2025-12-31 |
| WELLINGTON MANAGEMENT GROUP LLP | 1735376.00 | $110.96M | 2026-03-31 |
| STATE STREET CORP | 1698244.00 | $108.59M | 2026-03-31 |
| Atlas Venture Life Science Advisors, LLC | 1513875.00 | $96.80M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1375430.00 | $87.94M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-04-14 | |
| Sell | null | 2026-04-13 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.