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 2025
Institutional positions in Disc Medicine, Inc. as of Mar 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
- 157
- +6 vs. Q4 2024
- Shares held
- 33.2M
- +6.63M (+25.0%) vs. Q4 2024
- Total value
- $1.65B
- −$31.7M (−1.9%) vs. Q4 2024
- New holders
- 27
- 74 more added
- Sold out
- 21
- 31 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Disc Medicine, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 3,224,381 | $160.1M | 0.01% | +1,358,133+72.8% | Added |
| Atlas Venture Life Science Advisors, LLC | 2,384,456 | $118.4M | 22.69% | −125,000−5.0% | Reduced |
| Wellington Management Group LLP | 2,343,499 | $116.3M | 0.02% | +948,094+67.9% | Added |
| BlackRock, Inc. | 2,094,560 | $104.0M | 0.00% | +234,828+12.6% | Added |
| Frazier Life Sciences Management, L.P. | 1,754,834 | $87.1M | 3.98% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 1,577,106 | $78.3M | 1.31% | +1,577,106 | New |
| Janus Henderson Group PLC | 1,423,259 | $74.5M | 0.04% | +205,444+16.9% | Added |
| OrbiMed Advisors LLC | 1,415,020 | $70.2M | 1.69% | −370,551−20.8% | Reduced |
| Price T Rowe Associates Inc | 1,358,254 | $67.4M | 0.01% | −36,383−2.6% | Reduced |
| Vanguard Group Inc | 1,305,046 | $64.8M | 0.00% | +236,800+22.2% | Added |
| Paradigm Biocapital Advisors LP | 1,210,971 | $60.1M | 2.77% | −286,749−19.1% | Reduced |
| Siren, L.L.C. | 1,071,865 | $53.2M | 3.00% | +1,071,865 | New |
| Bain Capital Life Sciences Investors, LLC | 983,500 | $48.8M | 7.22% | 00.0% | Unchanged |
| State Street Corp | 918,567 | $45.6M | 0.00% | +149,832+19.5% | Added |
| Deerfield Management Company, L.P. (Series C) | 782,333 | $38.8M | 0.77% | +181,818+30.3% | Added |
| JPMorgan Chase & Co | 759,338 | $37.7M | 0.00% | +698,321+1,144.5% | Added |
| Geode Capital Management, LLC | 571,984 | $28.4M | 0.00% | +99,278+21.0% | Added |
| Saturn V Capital Management LLC | 518,177 | $25.7M | 12.98% | +8,771+1.7% | Added |
| Woodline Partners LP | 502,230 | $24.9M | 0.16% | +105,630+26.6% | Added |
| TCG Crossover Management, LLC | 465,257 | $23.1M | 3.15% | −21,700−4.5% | Reduced |
| Armistice Capital, LLC | 436,000 | $21.6M | 0.58% | +80,000+22.5% | Added |
| Logos Global Management LP | 394,342 | $19.6M | 3.48% | +194,342+97.2% | Added |
| Adage Capital Partners GP, L.L.C. | 300,000 | $14.9M | 0.03% | −50,000−14.3% | Reduced |
| Foresite Capital Management V, LLC | 299,069 | $14.8M | 16.94% | 00.0% | Unchanged |
| Checkpoint Capital L.P. | 243,311 | $12.1M | 6.63% | +58,311+31.5% | Added |
| Silverarc Capital Management, LLC | 236,471 | $11.7M | 2.45% | +126,090+114.2% | Added |
| D. E. Shaw & Co., Inc. | 219,603 | $10.9M | 0.01% | +138,413+170.5% | Added |
| Northern Trust Corp | 208,813 | $10.4M | 0.00% | +21,796+11.7% | Added |
| Charles Schwab Investment Management Inc | 194,725 | $9.67M | 0.00% | +29,653+18.0% | Added |
| Victory Capital Management Inc | 193,664 | $9.61M | 0.01% | −42,580−18.0% | Reduced |
| Renaissance Technologies LLC | 191,220 | $9.49M | 0.01% | +104,800+121.3% | Added |
| Eventide Asset Management, LLC | 181,818 | $9.03M | 0.18% | +181,818 | New |
| Morgan Stanley | 170,210 | $8.45M | 0.00% | +20,186+13.5% | Added |
| Perceptive Advisors LLC | 150,000 | $7.45M | 0.26% | +150,000 | New |
| Nantahala Capital Management, LLC | 148,391 | $7.37M | 0.61% | −1,609−1.1% | Reduced |
| Blue Owl Capital Holdings LP | 140,260 | $6.96M | 2.25% | +20,000+16.6% | Added |
| Dimensional Fund Advisors LP | 139,393 | $6.92M | 0.00% | −327−0.2% | Reduced |
| Goldman Sachs Group Inc | 130,751 | $6.49M | 0.00% | −41,059−23.9% | Reduced |
| Pictet Asset Management Holding SA | 130,386 | $6.47M | 0.01% | +904+0.7% | Added |
| Nuveen, LLC | 112,717 | $5.60M | 0.00% | +112,717 | New |
| Millennium Management LLC | 108,499 | $5.39M | 0.01% | +100,620+1,277.1% | Added |
| UBS Asset Management Americas Inc | 96,557 | $4.79M | 0.00% | +3,454+3.7% | Added |
| Schroder Investment Management Group | 87,290 | $4.57M | 0.00% | −4,200−4.6% | Reduced |
| Opaleye Management Inc. | 85,000 | $4.22M | 0.94% | +85,000 | New |
| Raymond James Financial Inc | 83,276 | $4.13M | 0.00% | −4,726−5.4% | Reduced |
| Patient Square Capital LP | 83,000 | $4.12M | 1.70% | +26,600+47.2% | Added |
| Suvretta Capital Management, LLC | 80,000 | $3.97M | 0.16% | +80,000 | New |
| Baker Bros. Advisors LP | 77,050 | $3.82M | 0.04% | 00.0% | Unchanged |
| Sio Capital Management, LLC | 73,511 | $3.65M | 1.11% | 00.0% | Unchanged |
| UBS Group AG | 72,628 | $3.61M | 0.00% | +48,286+198.4% | Added |
| Ensign Peak Advisors, Inc | 72,513 | $3.60M | 0.01% | +32,513+81.3% | Added |
| Susquehanna International Group, LLP | 70,941 | $3.52M | 0.01% | +42,134+146.3% | Added |
| Ameriprise Financial Inc | 67,905 | $3.37M | 0.00% | +62,627+1,186.6% | Added |
| Bank of New York Mellon Corp | 63,503 | $3.15M | 0.00% | +6,242+10.9% | Added |
| Citadel Advisors LLC | 62,214 | $3.09M | 0.00% | −529,057−89.5% | Reduced |
| Exome Asset Management LLC | 61,656 | $3.06M | 2.74% | −7,416−10.7% | Reduced |
| Bank of America Corp | 53,808 | $2.67M | 0.00% | +18,463+52.2% | Added |
| Barclays PLC | 45,708 | $2.27M | 0.00% | +5,644+14.1% | Added |
| Twinbeech Capital LP | 45,448 | $2.26M | 0.04% | +45,448 | New |
| Citigroup Inc | 42,975 | $2.13M | 0.00% | +340+0.8% | Added |
| Zimmer Partners, LP | 42,900 | $2.13M | 0.04% | +9,800+29.6% | Added |
| TD Asset Management Inc | 42,448 | $2.11M | 0.00% | −2,484−5.5% | Reduced |
| Manufacturers Life Insurance Company, The | 40,585 | $2.01M | 0.00% | +2,126+5.5% | Added |
| Swiss National Bank | 35,900 | $1.78M | 0.00% | +3,700+11.5% | Added |
| Rafferty Asset Management, LLC | 34,041 | $1.69M | 0.01% | +6,292+22.7% | Added |
| Rhumbline Advisers | 32,144 | $1.60M | 0.00% | +3,108+10.7% | Added |
| Alps Advisors Inc | 25,479 | $1.26M | 0.01% | +1,412+5.9% | Added |
| Ghisallo Capital Management LLC | 25,000 | $1.24M | 0.11% | +25,000 | New |
| The PNC Financial Services Group, Inc. | 23,700 | $1.18M | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 22,836 | $1.13M | 0.00% | +2,058+9.9% | Added |
| Atom Investors LP | 22,561 | $1.12M | 0.14% | +22,561 | New |
| Walleye Capital LLC | 22,075 | $1.10M | 0.01% | −4,929−18.3% | Reduced |
| Alliancebernstein L.P. | 21,060 | $1.05M | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 20,415 | $1.01M | 0.00% | +2,727+15.4% | Added |
| California State Teachers Retirement System | 20,152 | $1.00M | 0.00% | +4,621+29.8% | Added |
| Prelude Capital Management, LLC | 18,200 | $903.4K | 0.09% | +44+0.2% | Added |
| Engineers Gate Manager LP | 16,810 | $834.4K | 0.01% | +3,959+30.8% | Added |
| Algert Global LLC | 16,337 | $811.0K | 0.02% | 00.0% | Unchanged |
| Harvest Investment Services, LLC | 15,382 | $763.6K | 0.21% | −232−1.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 15,138 | $755.8K | 0.00% | +2,807+22.8% | Added |
| Deutsche Bank AG | 14,705 | $730.0K | 0.00% | −1,388−8.6% | Reduced |
| Teachers Retirement System of the State of Kentucky | 14,628 | $726.0K | 0.01% | −2,377−14.0% | Reduced |
| SG Americas Securities, LLC | 14,329 | $711.0K | 0.00% | +6,253+77.4% | Added |
| Invesco Ltd. | 13,834 | $686.7K | 0.00% | +2,953+27.1% | Added |
| UBS Oconnor LLC | 13,621 | $676.1K | 0.02% | −636−4.5% | Reduced |
| ExodusPoint Capital Management, LP | 13,565 | $673.0K | 0.01% | +13,565 | New |
| MetLife Investment Management | 13,454 | $667.9K | 0.00% | +1,322+10.9% | Added |
| Aquatic Capital Management LLC | 12,188 | $605.0K | 0.02% | +12,188 | New |
| State of Wisconsin Investment Board | 11,983 | $594.8K | 0.00% | −230−1.9% | Reduced |
| Corebridge Financial, Inc. | 11,180 | $555.0K | 0.00% | +1,371+14.0% | Added |
| Intech Investment Management LLC | 10,948 | $543.5K | 0.01% | +3,058+38.8% | Added |
| Lion Point Capital, LP | 10,600 | $526.2K | 3.36% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 10,286 | $510.6K | 0.00% | +5,172+101.1% | Added |
| Trexquant Investment LP | 8,556 | $424.7K | 0.00% | −4,318−33.5% | Reduced |
| Quantbot Technologies LP | 7,565 | $375.5K | 0.01% | +7,561+189,025.0% | Added |
| Schonfeld Strategic Advisors LLC | 7,552 | $374.9K | 0.00% | +2,652+54.1% | Added |
| Sofinnova Investments, Inc. | 7,485 | $371.6K | 0.03% | −15,267−67.1% | Reduced |
| Profund Advisors LLC | 7,160 | $355.4K | 0.02% | +1,623+29.3% | Added |
| STRS Ohio | 7,000 | $347.5K | 0.00% | +6,100+677.8% | Added |
| China Universal Asset Management Co., Ltd. | 6,934 | $344.2K | 0.03% | +624+9.9% | Added |