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 |
|---|---|---|---|---|---|
| Bessemer Group Inc | 2 | $0 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 2 | $0 | 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 |
| True Wealth Design, LLC | 1 | $80 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 2 | $159 | 0.00% | −204−99.0% | Reduced |
| Global Retirement Partners, LLC | 3 | $238 | 0.00% | −3−50.0% | Reduced |
| IFP Advisors, Inc | 3 | $238 | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 4 | $318 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 7 | $556 | 0.00% | +1+16.7% | Added |
| Bare Financial Services, Inc | 9 | $715 | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 11 | $874 | 0.00% | +11 | New |
| Assetmark, Inc | 12 | $953 | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 19 | $1.51K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 19 | $1.54K | 0.00% | −25−56.8% | Reduced |
| Parkside Financial Bank & Trust | 20 | $1.59K | 0.00% | 00.0% | Unchanged |
| First Horizon Corp | 28 | $2.22K | 0.00% | +28 | New |
| Rothschild Investment LLC | 40 | $3.18K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 53 | $4.21K | 0.00% | +46+657.1% | Added |
| J.Safra Asset Management Corp | 63 | $5.00K | 0.00% | +57+950.0% | Added |
| EverSource Wealth Advisors, LLC | 67 | $5.32K | 0.00% | −8−10.7% | Reduced |
| Kemnay Advisory Services Inc. | 69 | $5.48K | 0.00% | +69 | New |
| Optiver Holding B.V. | 70 | $5.56K | 0.00% | −124−63.9% | Reduced |
| Smartleaf Asset Management LLC | 73 | $5.61K | 0.00% | +73 | New |
| Larson Financial Group LLC | 112 | $8.89K | 0.00% | +4+3.7% | Added |
| Daiwa Securities Group Inc. | 113 | $9.00K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 163 | $12.9K | 0.00% | +107+191.1% | Added |
| Caitong International Asset Management Co., Ltd | 232 | $18.4K | 0.00% | +172+286.7% | Added |
| Nisa Investment Advisors, LLC | 240 | $19.1K | 0.00% | −53−18.1% | Reduced |
| Advisor Group Holdings, Inc. | 273 | $21.7K | 0.00% | +3+1.1% | Added |
| GAMMA Investing LLC | 304 | $24.1K | 0.00% | +28+10.1% | Added |
| Quest Partners LLC | 366 | $29.1K | 0.00% | +39+11.9% | Added |
| Antipodes Partners Ltd | 419 | $33.3K | 0.00% | +419 | New |
| Cygnus Capital Advisors, LLC | 502 | $40.0K | 0.03% | +502 | New |
| Steward Partners Investment Advisory, LLC | 528 | $41.9K | 0.00% | −5−0.9% | Reduced |
| Public Employees Retirement Association of Colorado | 730 | $58.0K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 742 | $58.9K | 0.00% | −6−0.8% | Reduced |
| Tower Research Capital LLC (TRC) | 776 | $61.6K | 0.00% | −329−29.8% | Reduced |
| Amalgamated Bank | 784 | $62.0K | 0.00% | −3−0.4% | Reduced |
| Royal Bank of Canada | 802 | $64.0K | 0.00% | −15,894−95.2% | Reduced |
| KBC Group NV | 1,011 | $80.0K | 0.00% | +1,011 | New |
| CWM, LLC | 1,033 | $82.0K | 0.00% | +6+0.6% | Added |
| US Bancorp | 1,176 | $93.4K | 0.00% | 00.0% | Unchanged |
| Persistent Asset Partners Ltd | 1,780 | $141.3K | 0.07% | +1,780 | New |
| Mirae Asset Global Investments Co., Ltd. | 1,834 | $145.6K | 0.00% | +490+36.5% | Added |
| Avanza Fonder AB | 1,903 | $151.1K | 0.00% | +235+14.1% | Added |
| Ameritas Investment Partners, Inc. | 2,059 | $163.5K | 0.00% | +128+6.6% | Added |
| Saxon Interests, Inc. | 2,576 | $204.6K | 0.07% | +2,576 | New |
| Virtus Investment Advisers, Inc. | 2,897 | $230.1K | 0.06% | +739+34.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,988 | $237.3K | 0.00% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 3,000 | $238.2K | 0.00% | +3,000 | New |
| Gsa Capital Partners LLP | 3,287 | $261.0K | 0.02% | +3,287 | New |
| Teacher Retirement System of Texas | 3,614 | $287.0K | 0.00% | −1,873−34.1% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 3,733 | $296.4K | 0.00% | 00.0% | Unchanged |
| AlphaCentric Advisors LLC | 3,756 | $298.3K | 0.30% | +3,756 | New |
| Creative Planning | 3,864 | $306.8K | 0.00% | +3,864 | New |
| Fiduciary Trust Co | 4,051 | $321.7K | 0.00% | 00.0% | Unchanged |
| Entropy Technologies, LP | 4,357 | $346.0K | 0.02% | +4,357 | New |
| Abel Hall, LLC | 4,443 | $352.8K | 0.08% | +4,443 | New |
| Marshall Wace, LLP | 4,642 | $368.6K | 0.00% | −9,359−66.8% | Reduced |
| KLP Kapitalforvaltning AS | 5,200 | $412.9K | 0.00% | +600+13.0% | Added |
| VARCOV Co. | 5,327 | $423.0K | 0.17% | +5,327 | New |
| Engineers Gate Manager LP | 5,460 | $433.6K | 0.01% | +5,460 | New |
| STRS Ohio | 6,000 | $476.5K | 0.00% | +3,800+172.7% | Added |
| ProShare Advisors LLC | 6,227 | $494.5K | 0.00% | +1,039+20.0% | Added |
| Police & Firemen's Retirement System of New Jersey | 6,716 | $533.3K | 0.00% | +215+3.3% | Added |
| Arizona State Retirement System | 6,798 | $539.8K | 0.00% | +144+2.2% | Added |
| FORA Capital, LLC | 6,735 | $543.9K | 0.07% | +6,735 | New |
| Los Angeles Capital Management LLC | 6,494 | $556.9K | 0.00% | +6,494 | New |
| Jain Global LLC | 7,319 | $581.2K | 0.01% | +7,319 | New |
| China Universal Asset Management Co., Ltd. | 7,751 | $615.5K | 0.05% | +657+9.3% | Added |
| Arrowstreet Capital, Limited Partnership | 7,767 | $616.8K | 0.00% | +7,767 | New |
| Lion Point Capital, LP | 8,100 | $643.2K | 3.33% | −2,500−23.6% | Reduced |
| Legato Capital Management LLC | 8,248 | $655.0K | 0.06% | −3,039−26.9% | Reduced |
| State of New Jersey Common Pension Fund D | 8,306 | $659.6K | 0.00% | +8,306 | New |
| State Board of Administration of Florida Retirement System | 8,704 | $691.2K | 0.00% | −425−4.7% | Reduced |
| Susquehanna International Group, LLP | 9,309 | $739.2K | 0.00% | −23,308−71.5% | Reduced |
| Kennedy Capital Management, Inc. | 9,324 | $740.4K | 0.02% | +296+3.3% | Added |
| Intech Investment Management LLC | 9,910 | $787.0K | 0.01% | +1,904+23.8% | Added |
| Ghisallo Capital Management LLC | 10,000 | $794.1K | 0.04% | +10,000 | New |
| PFM Health Sciences, LP | 11,002 | $873.7K | 0.09% | −21,537−66.2% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 11,359 | $902.0K | 0.02% | −31,928−73.8% | Reduced |
| Janus Henderson Group PLC | 11,555 | $918.0K | 0.00% | −350,149−96.8% | Reduced |
| Fred Alger Management, LLC | 12,267 | $974.1K | 0.00% | −1,459−10.6% | Reduced |
| Voya Investment Management LLC | 13,186 | $1.05M | 0.00% | +8,920+209.1% | Added |
| Profund Advisors LLC | 13,478 | $1.07M | 0.03% | +5,360+66.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 13,711 | $1.08M | 0.00% | +1,065+8.4% | Added |
| MetLife Investment Management | 13,832 | $1.10M | 0.01% | −90−0.6% | Reduced |
| 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 |
| AQR Capital Management LLC | 14,007 | $1.11M | 0.00% | +29+0.2% | Added |
| Squarepoint Ops LLC | 15,754 | $1.25M | 0.00% | +10,377+193.0% | Added |
| Teachers Retirement System of the State of Kentucky | 16,156 | $1.28M | 0.01% | +3,305+25.7% | Added |
| State of Wisconsin Investment Board | 17,106 | $1.36M | 0.00% | +4,733+38.3% | Added |
| Campbell & CO Investment Adviser LLC | 17,399 | $1.38M | 0.07% | +12,109+228.9% | Added |
| Deutsche Bank AG | 20,523 | $1.63M | 0.00% | +1,637+8.7% | Added |
| SG Americas Securities, LLC | 21,122 | $1.68M | 0.00% | +13,058+161.9% | Added |
| XTX Topco Ltd | 23,094 | $1.83M | 0.05% | +23,094 | New |
| California State Teachers Retirement System | 23,256 | $1.85M | 0.00% | +1,163+5.3% | Added |