Disc Medicine, Inc.
IRON- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001816736
In the last 90 days, Disc Medicine, Inc. insiders filed 0 open-market purchases and 9 sales; 216 institutions reported holding it in 13F filings for Q2 2026, worth $3.13B in total; no superinvestor holds it.
13F holders, Q1 2023
Institutional positions in Disc Medicine, Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 45
- +10 vs. Q4 2022
- Shares held
- 14.6M
- +3.17M (+27.7%) vs. Q4 2022
- Total value
- $309.6M
- +$93.8M (+43.5%) vs. Q4 2022
- New holders
- 13
- 14 more added
- Sold out
- 3
- 7 more reduced
Compare with Q4 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IRON on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 216 | $3.13B |
| Q1 2026 | 203 | $2.67B |
| Q4 2025 | 197 | $3.04B |
| Q3 2025 | 168 | $2.26B |
| Q2 2025 | 152 | $1.80B |
| Q1 2025 | 157 | $1.65B |
| Q4 2024 | 152 | $1.68B |
| Q3 2024 | 132 | $1.35B |
| Q2 2024 | 121 | $1.24B |
| Q1 2024 | 130 | $1.38B |
| Q4 2023 | 112 | $1.17B |
| Q3 2023 | 91 | $934.0M |
| Q2 2023 | 90 | $848.7M |
| Q1 2023 | 45 | $309.6M |
| Q4 2022 | 35 | $215.8M |
| Q3 2022 | 44 | $43.9M |
| Q2 2022 | 51 | $43.8M |
| Q1 2022 | 57 | $39.6M |
| Q4 2021 | 62 | $93.8M |
| Q3 2021 | 62 | $103.5M |
| Q2 2021 | 55 | $165.3M |
| Q1 2021 | 49 | $346.6M |
Institutions, Q1 2023
Shares, value and share of portfolio for each institution holding Disc Medicine, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Atlas Venture Life Science Advisors, LLC | 3,461,784 | $73.4M | 9.93% | 00.0% | Unchanged |
| Novo Holdings A/S | 2,340,772 | $49.6M | 3.54% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 2,269,637 | $48.1M | 0.95% | +108,696+5.0% | Added |
| Bain Capital Life Sciences Investors, LLC | 1,990,914 | $42.2M | 5.27% | +1,990,914 | New |
| Adage Capital Partners GP, L.L.C. | 826,936 | $17.5M | 0.04% | +476,874+136.2% | Added |
| 5AM Venture Management, LLC | 588,442 | $12.5M | 3.19% | 00.0% | Unchanged |
| Logos Global Management LP | 525,000 | $11.1M | 1.59% | +525,000 | New |
| Vanguard Group Inc | 322,869 | $6.84M | 0.00% | +267,006+478.0% | Added |
| Rock Springs Capital Management LP | 313,468 | $6.64M | 0.16% | −26,029−7.7% | Reduced |
| Foresite Capital Management V, LLC | 243,513 | $5.16M | 3.81% | 00.0% | Unchanged |
| Sphera Funds Management Ltd. | 220,013 | $4.66M | 1.01% | +220,013 | New |
| BML Capital Management, LLC | 208,161 | $4.41M | 3.81% | −291,839−58.4% | Reduced |
| Citadel Advisors LLC | 171,238 | $3.63M | 0.00% | +115,560+207.6% | Added |
| FMR LLC | 151,699 | $3.21M | 0.00% | −41,539−21.5% | Reduced |
| Boxer Capital, LLC | 130,000 | $2.75M | 0.14% | 00.0% | Unchanged |
| Trustees of Columbia University in the City of New York | 110,488 | $2.34M | 4.19% | 00.0% | Unchanged |
| Ghost Tree Capital, LLC | 100,000 | $2.12M | 0.80% | +100,000 | New |
| Nantahala Capital Management, LLC | 89,538 | $1.90M | 0.18% | −73,224−45.0% | Reduced |
| ExodusPoint Capital Management, LP | 70,966 | $1.50M | 0.02% | +40,734+134.7% | Added |
| Assenagon Asset Management S.A. | 61,805 | $1.31M | 0.01% | −6,621−9.7% | Reduced |
| Geode Capital Management, LLC | 47,038 | $996.7K | 0.00% | +19,878+73.2% | Added |
| UBS Oconnor LLC | 45,750 | $969.4K | 0.02% | +45,750 | New |
| Janus Henderson Group PLC | 43,698 | $926.0K | 0.00% | −456,632−91.3% | Reduced |
| Susquehanna International Group, LLP | 37,213 | $788.5K | 0.00% | +37,213 | New |
| Citigroup Inc | 25,080 | $531.4K | 0.00% | +19,993+393.0% | Added |
| Harvard Management Co Inc | 25,000 | $529.8K | 0.06% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 24,150 | $511.7K | 0.00% | +24,150 | New |
| BlackRock Inc. | 23,467 | $497.3K | 0.00% | +3,385+16.9% | Added |
| Millennium Management LLC | 22,107 | $468.0K | 0.00% | +7,346+49.8% | Added |
| Goldman Sachs Group Inc | 21,674 | $459.3K | 0.00% | +21,674 | New |
| Jane Street Group, LLC | 19,252 | $407.9K | 0.00% | +19,252 | New |
| Renaissance Technologies LLC | 15,270 | $324.0K | 0.00% | +2,300+17.7% | Added |
| State Street Corp | 14,487 | $307.0K | 0.00% | +4,298+42.2% | Added |
| Stifel Financial Corp | 13,722 | $290.8K | 0.00% | 00.0% | Unchanged |
| Velan Capital Investment Management LP | 12,269 | $260.0K | 0.23% | +12,269 | New |
| Morgan Stanley | 9,815 | $208.0K | 0.00% | +8,994+1,095.5% | Added |
| Barclays PLC | 5,619 | $119.1K | 0.00% | +5,419+2,709.5% | Added |
| UBS Group AG | 5,243 | $111.1K | 0.00% | −1,872−26.3% | Reduced |
| Bank of America Corp | 2,682 | $56.8K | 0.00% | +2,680+134,000.0% | Added |
| US Bancorp | 1,176 | $24.9K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 300 | $6.36K | 0.00% | +300 | New |
| Royal Bank of Canada | 100 | $2.00K | 0.00% | +100 | New |
| Ulland Investment Advisors, LLC | 34 | $1.00K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 26 | $551 | 0.00% | +26 | New |
| TCI Wealth Advisors, Inc. | 20 | $424 | 0.00% | 00.0% | Unchanged |
| Running Point Capital Advisors, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −13−100.0% | Sold out |