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, Q4 2025
Institutional positions in Disc Medicine, Inc. as of Dec 31, 2025. 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
- 197
- +31 vs. Q3 2025
- Shares held
- 38.3M
- +4.08M (+11.9%) vs. Q3 2025
- Total value
- $3.04B
- +$779.8M (+34.5%) vs. Q3 2025
- New holders
- 42
- 86 more added
- Sold out
- 11
- 48 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Disc Medicine, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Deutsche Bank AG | 20,523 | $1.63M | 0.00% | +1,637+8.7% | Added |
| Campbell & CO Investment Adviser LLC | 17,399 | $1.38M | 0.07% | +12,109+228.9% | Added |
| State of Wisconsin Investment Board | 17,106 | $1.36M | 0.00% | +4,733+38.3% | Added |
| Teachers Retirement System of the State of Kentucky | 16,156 | $1.28M | 0.01% | +3,305+25.7% | Added |
| Squarepoint Ops LLC | 15,754 | $1.25M | 0.00% | +10,377+193.0% | Added |
| AQR Capital Management LLC | 14,007 | $1.11M | 0.00% | +29+0.2% | Added |
| New York State Common Retirement Fund | 13,985 | $1.11M | 0.00% | −7,505−34.9% | Reduced |
| Prelude Capital Management, LLC | 13,985 | $1.11M | 0.08% | −4,171−23.0% | Reduced |
| MetLife Investment Management | 13,832 | $1.10M | 0.01% | −90−0.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 13,711 | $1.08M | 0.00% | +1,065+8.4% | Added |
| Profund Advisors LLC | 13,478 | $1.07M | 0.03% | +5,360+66.0% | Added |
| Voya Investment Management LLC | 13,186 | $1.05M | 0.00% | +8,920+209.1% | Added |
| Fred Alger Management, LLC | 12,267 | $974.1K | 0.00% | −1,459−10.6% | Reduced |
| Janus Henderson Group PLC | 11,555 | $918.0K | 0.00% | −350,149−96.8% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 11,359 | $902.0K | 0.02% | −31,928−73.8% | Reduced |
| PFM Health Sciences, LP | 11,002 | $873.7K | 0.09% | −21,537−66.2% | Reduced |
| Ghisallo Capital Management LLC | 10,000 | $794.1K | 0.04% | +10,000 | New |
| Intech Investment Management LLC | 9,910 | $787.0K | 0.01% | +1,904+23.8% | Added |
| Kennedy Capital Management, Inc. | 9,324 | $740.4K | 0.02% | +296+3.3% | Added |
| Susquehanna International Group, LLP | 9,309 | $739.2K | 0.00% | −23,308−71.5% | Reduced |
| State Board of Administration of Florida Retirement System | 8,704 | $691.2K | 0.00% | −425−4.7% | Reduced |
| State of New Jersey Common Pension Fund D | 8,306 | $659.6K | 0.00% | +8,306 | New |
| Legato Capital Management LLC | 8,248 | $655.0K | 0.06% | −3,039−26.9% | Reduced |
| Lion Point Capital, LP | 8,100 | $643.2K | 3.33% | −2,500−23.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 7,767 | $616.8K | 0.00% | +7,767 | New |
| China Universal Asset Management Co., Ltd. | 7,751 | $615.5K | 0.05% | +657+9.3% | Added |
| Jain Global LLC | 7,319 | $581.2K | 0.01% | +7,319 | New |
| Los Angeles Capital Management LLC | 6,494 | $556.9K | 0.00% | +6,494 | New |
| FORA Capital, LLC | 6,735 | $543.9K | 0.07% | +6,735 | New |
| Arizona State Retirement System | 6,798 | $539.8K | 0.00% | +144+2.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 6,716 | $533.3K | 0.00% | +215+3.3% | Added |
| ProShare Advisors LLC | 6,227 | $494.5K | 0.00% | +1,039+20.0% | Added |
| STRS Ohio | 6,000 | $476.5K | 0.00% | +3,800+172.7% | Added |
| Engineers Gate Manager LP | 5,460 | $433.6K | 0.01% | +5,460 | New |
| VARCOV Co. | 5,327 | $423.0K | 0.17% | +5,327 | New |
| KLP Kapitalforvaltning AS | 5,200 | $412.9K | 0.00% | +600+13.0% | Added |
| Marshall Wace, LLP | 4,642 | $368.6K | 0.00% | −9,359−66.8% | Reduced |
| Abel Hall, LLC | 4,443 | $352.8K | 0.08% | +4,443 | New |
| Entropy Technologies, LP | 4,357 | $346.0K | 0.02% | +4,357 | New |
| Fiduciary Trust Co | 4,051 | $321.7K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 3,864 | $306.8K | 0.00% | +3,864 | New |
| AlphaCentric Advisors LLC | 3,756 | $298.3K | 0.30% | +3,756 | New |
| Susquehanna Portfolio Strategies, LLC | 3,733 | $296.4K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 3,614 | $287.0K | 0.00% | −1,873−34.1% | Reduced |
| Gsa Capital Partners LLP | 3,287 | $261.0K | 0.02% | +3,287 | New |
| Allianz Asset Management GmbH | 3,000 | $238.2K | 0.00% | +3,000 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,988 | $237.3K | 0.00% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 2,897 | $230.1K | 0.06% | +739+34.2% | Added |
| Saxon Interests, Inc. | 2,576 | $204.6K | 0.07% | +2,576 | New |
| Ameritas Investment Partners, Inc. | 2,059 | $163.5K | 0.00% | +128+6.6% | Added |
| Avanza Fonder AB | 1,903 | $151.1K | 0.00% | +235+14.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,834 | $145.6K | 0.00% | +490+36.5% | Added |
| Persistent Asset Partners Ltd | 1,780 | $141.3K | 0.07% | +1,780 | New |
| US Bancorp | 1,176 | $93.4K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 1,033 | $82.0K | 0.00% | +6+0.6% | Added |
| KBC Group NV | 1,011 | $80.0K | 0.00% | +1,011 | New |
| Royal Bank of Canada | 802 | $64.0K | 0.00% | −15,894−95.2% | Reduced |
| Amalgamated Bank | 784 | $62.0K | 0.00% | −3−0.4% | Reduced |
| Tower Research Capital LLC (TRC) | 776 | $61.6K | 0.00% | −329−29.8% | Reduced |
| GF Fund Management Co. Ltd. | 742 | $58.9K | 0.00% | −6−0.8% | Reduced |
| Public Employees Retirement Association of Colorado | 730 | $58.0K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 528 | $41.9K | 0.00% | −5−0.9% | Reduced |
| Cygnus Capital Advisors, LLC | 502 | $40.0K | 0.03% | +502 | New |
| Antipodes Partners Ltd | 419 | $33.3K | 0.00% | +419 | New |
| Quest Partners LLC | 366 | $29.1K | 0.00% | +39+11.9% | Added |
| GAMMA Investing LLC | 304 | $24.1K | 0.00% | +28+10.1% | Added |
| Advisor Group Holdings, Inc. | 273 | $21.7K | 0.00% | +3+1.1% | Added |
| Nisa Investment Advisors, LLC | 240 | $19.1K | 0.00% | −53−18.1% | Reduced |
| Caitong International Asset Management Co., Ltd | 232 | $18.4K | 0.00% | +172+286.7% | Added |
| Sterling Capital Management LLC | 163 | $12.9K | 0.00% | +107+191.1% | Added |
| Daiwa Securities Group Inc. | 113 | $9.00K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 112 | $8.89K | 0.00% | +4+3.7% | Added |
| Smartleaf Asset Management LLC | 73 | $5.61K | 0.00% | +73 | New |
| Optiver Holding B.V. | 70 | $5.56K | 0.00% | −124−63.9% | Reduced |
| Kemnay Advisory Services Inc. | 69 | $5.48K | 0.00% | +69 | New |
| EverSource Wealth Advisors, LLC | 67 | $5.32K | 0.00% | −8−10.7% | Reduced |
| J.Safra Asset Management Corp | 63 | $5.00K | 0.00% | +57+950.0% | Added |
| Farther Finance Advisors, LLC | 53 | $4.21K | 0.00% | +46+657.1% | Added |
| Rothschild Investment LLC | 40 | $3.18K | 0.00% | 00.0% | Unchanged |
| First Horizon Corp | 28 | $2.22K | 0.00% | +28 | New |
| Parkside Financial Bank & Trust | 20 | $1.59K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 19 | $1.54K | 0.00% | −25−56.8% | Reduced |
| Versant Capital Management, Inc | 19 | $1.51K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 12 | $953 | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 11 | $874 | 0.00% | +11 | New |
| Bare Financial Services, Inc | 9 | $715 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 7 | $556 | 0.00% | +1+16.7% | Added |
| Essential Partners LLC | 4 | $318 | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 3 | $238 | 0.00% | −3−50.0% | Reduced |
| IFP Advisors, Inc | 3 | $238 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 2 | $159 | 0.00% | −204−99.0% | Reduced |
| True Wealth Design, LLC | 1 | $80 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1 | $79 | 0.00% | −5−83.3% | Reduced |
| Hughes Financial Services, LLC | 1 | $79 | 0.00% | +1 | New |
| Basecamp Wealth Advisors LLC | 1 | $79 | 0.00% | +1 | New |
| Bessemer Group Inc | 2 | $0 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 2 | $0 | 0.00% | 00.0% | Unchanged |
| TCG Crossover Management, LLC | 0 | $0 | 0.00% | −465,257−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −450,000−100.0% | Sold out |
| Paradigm Biocapital Advisors LP | 0 | $0 | 0.00% | −247,716−100.0% | Sold out |