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 2024
Institutional positions in Disc Medicine, Inc. as of Mar 31, 2024. 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
- 130
- +19 vs. Q4 2023
- Shares held
- 22.3M
- +2.08M (+10.3%) vs. Q4 2023
- Total value
- $1.38B
- +$217.0M (+18.6%) vs. Q4 2023
- New holders
- 31
- 58 more added
- Sold out
- 12
- 28 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding Disc Medicine, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cormorant Asset Management, LP | 125,000 | $7.78M | 0.34% | 00.0% | Unchanged |
| Morgan Stanley | 136,634 | $8.51M | 0.00% | +24,247+21.6% | Added |
| Blue Owl Capital Holdings LP | 155,260 | $9.67M | 1.93% | +15,000+10.7% | Added |
| Jennison Associates LLC | 193,240 | $12.0M | 0.01% | +150,209+349.1% | Added |
| Victory Capital Management Inc | 213,061 | $13.3M | 0.01% | +25,481+13.6% | Added |
| Bank of America Corp | 213,691 | $13.3M | 0.00% | +181,731+568.6% | Added |
| Pictet Asset Management Holding SA | 231,797 | $14.4M | 0.02% | +36,706+18.8% | Added |
| Foresite Capital Management V, LLC | 243,513 | $15.2M | 14.23% | 00.0% | Unchanged |
| Polar Capital Holdings Plc | 244,928 | $15.2M | 0.09% | −301,987−55.2% | Reduced |
| Geode Capital Management, LLC | 245,774 | $15.3M | 0.00% | +16,355+7.1% | Added |
| First Turn Management, LLC | 252,673 | $15.7M | 2.35% | +95,399+60.7% | Added |
| Saturn V Capital Management LLC | 254,803 | $15.9M | 6.36% | +190,019+293.3% | Added |
| Citadel Advisors LLC | 325,724 | $20.3M | 0.02% | +137,800+73.3% | Added |
| Rock Springs Capital Management LP | 363,468 | $22.6M | 0.58% | 00.0% | Unchanged |
| FMR LLC | 403,532 | $25.1M | 0.00% | +186,120+85.6% | Added |
| Alliancebernstein L.P. | 496,881 | $30.9M | 0.01% | +133,796+36.8% | Added |
| Janus Henderson Group PLC | 521,773 | $32.5M | 0.02% | +78,595+17.7% | Added |
| Adage Capital Partners GP, L.L.C. | 574,464 | $35.8M | 0.07% | −175,536−23.4% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 665,535 | $41.4M | 0.72% | +201,243+43.3% | Added |
| Wellington Management Group LLP | 670,482 | $41.7M | 0.01% | +492,756+277.3% | Added |
| Vanguard Group Inc | 782,751 | $48.7M | 0.00% | +18,207+2.4% | Added |
| Frazier Life Sciences Management, L.P. | 785,000 | $48.9M | 2.06% | 00.0% | Unchanged |
| BlackRock Inc. | 901,595 | $56.1M | 0.00% | +33,155+3.8% | Added |
| Perceptive Advisors LLC | 939,866 | $58.5M | 1.03% | −83,179−8.1% | Reduced |
| Price T Rowe Associates Inc | 944,213 | $58.8M | 0.01% | +353,382+59.8% | Added |
| State Street Corp | 1,091,211 | $67.9M | 0.00% | +532,016+95.1% | Added |
| Bain Capital Life Sciences Investors, LLC | 1,317,213 | $82.0M | 6.59% | −15,332−1.2% | Reduced |
| OrbiMed Advisors LLC | 1,702,237 | $106.0M | 2.08% | 00.0% | Unchanged |
| Atlas Venture Life Science Advisors, LLC | 2,287,233 | $142.4M | 13.14% | −267,939−10.5% | Reduced |
| Paradigm Biocapital Advisors LP | 2,389,902 | $148.8M | 5.24% | +4,045+0.2% | Added |
| 5AM Venture Management, LLC | 0 | $0 | 0.00% | −294,221−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −62,000−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −43,000−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −20,697−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −16,870−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −13,802−100.0% | Sold out |
| Checkpoint Capital L.P. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −9,844−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −8,107−100.0% | Sold out |
| Pale Fire Capital SE | 0 | $0 | 0.00% | −6,120−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −4,306−100.0% | Sold out |
| AJOVista, LLC | 0 | $0 | 0.00% | −1,091−100.0% | Sold out |
| Sawtooth Solutions, LLC | – | – | – | – | Not filed |