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 2026
Institutional positions in Disc Medicine, Inc. as of Mar 31, 2026. 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
- 203
- +9 vs. Q4 2025
- Shares held
- 41.9M
- +5.37M (+14.7%) vs. Q4 2025
- Total value
- $2.67B
- −$229.0M (−7.9%) vs. Q4 2025
- New holders
- 47
- 81 more added
- Sold out
- 38
- 44 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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 2026
Shares, value and share of portfolio for each institution holding Disc Medicine, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Legal & General Group Plc | 19,377 | $1.24M | 0.00% | −4,276−18.1% | Reduced |
| Teachers Retirement System of the State of Kentucky | 18,993 | $1.21M | 0.01% | +2,837+17.6% | Added |
| Zimmer Partners, LP | 16,700 | $1.07M | 0.03% | −10,800−39.3% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 16,699 | $1.06M | 0.00% | +2,988+21.8% | Added |
| Vanguard Asset Management, Ltd | 16,111 | $1.03M | 0.00% | +16,111 | New |
| SEI Investments Co | 15,510 | $991.7K | 0.00% | +15,510 | New |
| Susquehanna International Group, LLP | 15,406 | $985.1K | 0.00% | +6,097+65.5% | Added |
| MetLife Investment Management | 15,065 | $963.3K | 0.00% | +1,233+8.9% | Added |
| Wells Fargo & Company | 14,690 | $939.2K | 0.00% | −18,575−55.8% | Reduced |
| Headlands Technologies LLC | 14,611 | $934.2K | 0.11% | +14,611 | New |
| State of Wisconsin Investment Board | 14,288 | $913.6K | 0.00% | −2,818−16.5% | Reduced |
| AQR Capital Management LLC | 14,155 | $905.1K | 0.00% | +148+1.1% | Added |
| SummitTX Capital, L.P. | 13,820 | $883.7K | 0.03% | +13,820 | New |
| Vanguard Global Advisers, LLC | 12,516 | $800.3K | 0.00% | +12,516 | New |
| Atom Investors LP | 12,162 | $777.6K | 0.06% | +12,162 | New |
| Janus Henderson Group PLC | 11,555 | $739.5K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 11,226 | $718.0K | 0.00% | −9,896−46.9% | Reduced |
| Man Group plc | 10,006 | $639.8K | 0.00% | +10,006 | New |
| Ghisallo Capital Management LLC | 10,000 | $639.4K | 0.02% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 9,270 | $592.7K | 0.01% | +3,810+69.8% | Added |
| State Board of Administration of Florida Retirement System | 8,704 | $556.5K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 8,576 | $548.3K | 0.00% | −5,409−38.7% | Reduced |
| China Universal Asset Management Co., Ltd. | 8,372 | $535.3K | 0.04% | +621+8.0% | Added |
| State of New Jersey Common Pension Fund D | 8,317 | $531.8K | 0.00% | +11+0.1% | Added |
| Lion Point Capital, LP | 8,100 | $517.9K | 3.10% | 00.0% | Unchanged |
| PSP Research LLC | 8,000 | $511.5K | 0.36% | +8,000 | New |
| Citigroup Inc | 7,742 | $495.0K | 0.00% | −28,434−78.6% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 7,474 | $477.9K | 0.00% | +758+11.3% | Added |
| E Fund Management Co., Ltd. | 6,772 | $433.0K | 0.01% | +6,772 | New |
| Arizona State Retirement System | 6,684 | $427.4K | 0.00% | −114−1.7% | Reduced |
| Inceptionr LLC | 6,489 | $414.9K | 0.10% | +6,489 | New |
| EntryPoint Capital, LLC | 6,371 | $407.4K | 0.12% | +6,371 | New |
| Capstone Investment Advisors, LLC | 6,265 | $400.6K | 0.00% | +6,265 | New |
| Tower Research Capital LLC (TRC) | 6,017 | $384.7K | 0.01% | +5,241+675.4% | Added |
| STRS Ohio | 6,000 | $383.6K | 0.00% | 00.0% | Unchanged |
| Vanguard Investments Australia, Ltd. | 5,959 | $381.0K | 0.00% | +5,959 | New |
| Intech Investment Management LLC | 5,868 | $375.2K | 0.00% | −4,042−40.8% | Reduced |
| ProShare Advisors LLC | 5,688 | $363.7K | 0.00% | −539−8.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,640 | $360.6K | 0.00% | +2,652+88.8% | Added |
| KLP Kapitalforvaltning AS | 5,200 | $332.5K | 0.00% | 00.0% | Unchanged |
| Eleva Capital SAS | 5,115 | $327.1K | 0.10% | +5,115 | New |
| Entropy Technologies, LP | 4,788 | $306.1K | 0.01% | +431+9.9% | Added |
| Voya Investment Management LLC | 4,420 | $282.6K | 0.00% | −8,766−66.5% | Reduced |
| Prudential Financial Inc | 4,265 | $272.7K | 0.00% | +4,265 | New |
| Fiduciary Trust Co | 4,051 | $259.0K | 0.00% | 00.0% | Unchanged |
| AlphaCentric Advisors LLC | 3,972 | $254.0K | 0.25% | +216+5.8% | Added |
| Los Angeles Capital Management LLC | 3,952 | $252.7K | 0.00% | −2,542−39.1% | Reduced |
| Virtu Financial LLC | 3,786 | $242.0K | 0.01% | +3,786 | New |
| Creative Planning | 3,769 | $241.0K | 0.00% | −95−2.5% | Reduced |
| Bayforest Capital Ltd | 3,564 | $227.9K | 0.26% | +3,564 | New |
| Seven Fleet Capital Management LP | 3,231 | $206.6K | 0.06% | +3,231 | New |
| Teacher Retirement System of Texas | 3,144 | $201.0K | 0.00% | −470−13.0% | Reduced |
| Virtus Investment Advisers, Inc. | 2,967 | $189.7K | 0.05% | +70+2.4% | Added |
| Russell Investments Group, Ltd. | 2,634 | $168.4K | 0.00% | −21,049−88.9% | Reduced |
| Ameritas Investment Partners, Inc. | 2,248 | $143.7K | 0.00% | +189+9.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,990 | $127.2K | 0.00% | +156+8.5% | Added |
| Jones Financial Companies LLLP | 1,627 | $97.8K | 0.00% | +1,627 | New |
| US Bancorp | 1,185 | $75.8K | 0.00% | +9+0.8% | Added |
| CWM, LLC | 1,035 | $66.2K | 0.00% | +2+0.2% | Added |
| KBC Group NV | 1,011 | $65.0K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 1,001 | $64.0K | 0.01% | +769+331.5% | Added |
| GF Fund Management Co. Ltd. | 848 | $54.2K | 0.00% | +106+14.3% | Added |
| Public Employees Retirement Association of Colorado | 730 | $47.0K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 693 | $44.3K | 0.00% | +693 | New |
| Allworth Financial LP | 599 | $38.3K | 0.00% | +592+8,457.1% | Added |
| Steward Partners Investment Advisory, LLC | 528 | $33.8K | 0.00% | 00.0% | Unchanged |
| Antipodes Partners Ltd | 476 | $30.4K | 0.00% | +57+13.6% | Added |
| Clear Street Markets LLC | 287 | $18.4K | 0.01% | +287 | New |
| Advisor Group Holdings, Inc. | 275 | $17.6K | 0.00% | +2+0.7% | Added |
| GAMMA Investing LLC | 268 | $17.1K | 0.00% | −36−11.8% | Reduced |
| Kemnay Advisory Services Inc. | 246 | $15.7K | 0.00% | +177+256.5% | Added |
| Nisa Investment Advisors, LLC | 240 | $15.3K | 0.00% | 00.0% | Unchanged |
| J.Safra Asset Management Corp | 194 | $12.4K | 0.00% | +131+207.9% | Added |
| Sterling Capital Management LLC | 178 | $11.4K | 0.00% | +15+9.2% | Added |
| Larson Financial Group LLC | 123 | $7.87K | 0.00% | +11+9.8% | Added |
| Smartleaf Asset Management LLC | 92 | $5.59K | 0.00% | +19+26.0% | Added |
| Optiver Holding B.V. | 82 | $5.24K | 0.00% | +12+17.1% | Added |
| EverSource Wealth Advisors, LLC | 71 | $4.54K | 0.00% | +4+6.0% | Added |
| Farther Finance Advisors, LLC | 44 | $2.85K | 0.00% | −9−17.0% | Reduced |
| Rothschild Investment LLC | 41 | $2.62K | 0.00% | +1+2.5% | Added |
| Aster Capital Management (DIFC) Ltd | 52 | $2.58K | 0.00% | +52 | New |
| Royal Bank of Canada | 24 | $2.00K | 0.00% | −778−97.0% | Reduced |
| First Horizon Corp | 30 | $1.92K | 0.00% | +2+7.1% | Added |
| Fifth Third Bancorp | 29 | $1.86K | 0.00% | +29 | New |
| Parkside Financial Bank & Trust | 20 | $1.28K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 19 | $1.22K | 0.00% | 00.0% | Unchanged |
| JPL Wealth Management, LLC | 17 | $1.09K | 0.00% | +17 | New |
| Geneos Wealth Management Inc. | 13 | $831 | 0.00% | +13 | New |
| Assetmark, Inc | 12 | $767 | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 11 | $703 | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 11 | $703 | 0.00% | +11 | New |
| Bare Financial Services, Inc | 9 | $575 | 0.00% | 00.0% | Unchanged |
| Capital & Planning, LLC | 6 | $384 | 0.00% | +6 | New |
| Essential Partners LLC | 4 | $256 | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 4 | $256 | 0.00% | +4 | New |
| IFP Advisors, Inc | 3 | $192 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 3 | $192 | 0.00% | +3 | New |
| Keating Financial Advisory Services, Inc. | 3 | $192 | 0.00% | +3 | New |
| True Wealth Design, LLC | 1 | $64 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1 | $64 | 0.00% | 00.0% | Unchanged |