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, Q2 2025
Institutional positions in Disc Medicine, Inc. as of Jun 30, 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
- 152
- −4 vs. Q1 2025
- Shares held
- 34.1M
- +915.4K (+2.8%) vs. Q1 2025
- Total value
- $1.80B
- +$154.6M (+9.4%) vs. Q1 2025
- New holders
- 26
- 69 more added
- Sold out
- 30
- 37 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Disc Medicine, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Patient Square Capital LP | 74,000 | $3.92M | 1.41% | −9,000−10.8% | Reduced |
| Susquehanna International Group, LLP | 75,997 | $4.02M | 0.01% | +5,056+7.1% | Added |
| Schroder Investment Management Group | 82,451 | $4.49M | 0.00% | −4,839−5.5% | Reduced |
| Raymond James Financial Inc | 86,487 | $4.58M | 0.00% | +3,211+3.9% | Added |
| Barclays PLC | 86,558 | $4.58M | 0.00% | +40,850+89.4% | Added |
| Zimmer Partners, LP | 90,163 | $4.78M | 0.11% | +47,263+110.2% | Added |
| Renaissance Technologies LLC | 96,420 | $5.11M | 0.01% | −94,800−49.6% | Reduced |
| Morgan Stanley | 110,679 | $5.86M | 0.00% | −59,531−35.0% | Reduced |
| Ameriprise Financial Inc | 121,520 | $6.44M | 0.00% | +53,615+79.0% | Added |
| UBS Asset Management Americas Inc | 121,584 | $6.44M | 0.00% | +25,027+25.9% | Added |
| Blue Owl Capital Holdings LP | 122,260 | $6.47M | 2.09% | −18,000−12.8% | Reduced |
| Vestal Point Capital, LP | 140,000 | $7.41M | 0.39% | +140,000 | New |
| Ensign Peak Advisors, Inc | 141,545 | $7.50M | 0.01% | +69,032+95.2% | Added |
| UBS Group AG | 145,549 | $7.71M | 0.00% | +72,921+100.4% | Added |
| Palo Alto Investors LP | 145,691 | $7.72M | 1.64% | +145,691 | New |
| Bank of America Corp | 168,822 | $8.94M | 0.00% | +115,014+213.7% | Added |
| Opaleye Management Inc. | 186,418 | $9.87M | 2.00% | +101,418+119.3% | Added |
| Dimensional Fund Advisors LP | 192,856 | $10.2M | 0.00% | +53,463+38.4% | Added |
| Victory Capital Management Inc | 197,824 | $10.5M | 0.01% | +4,160+2.1% | Added |
| Charles Schwab Investment Management Inc | 204,241 | $10.8M | 0.00% | +9,516+4.9% | Added |
| Northern Trust Corp | 219,095 | $11.6M | 0.00% | +10,282+4.9% | Added |
| Goldman Sachs Group Inc | 225,856 | $12.0M | 0.00% | +95,105+72.7% | Added |
| Checkpoint Capital L.P. | 265,000 | $14.0M | 6.54% | +21,689+8.9% | Added |
| Sio Capital Management, LLC | 284,787 | $15.1M | 6.05% | +211,276+287.4% | Added |
| Nantahala Capital Management, LLC | 287,800 | $15.2M | 1.08% | +139,409+93.9% | Added |
| Foresite Capital Management V, LLC | 299,069 | $15.8M | 19.62% | 00.0% | Unchanged |
| First Turn Management, LLC | 299,464 | $15.9M | 2.96% | +299,464 | New |
| Eventide Asset Management, LLC | 308,030 | $16.3M | 0.29% | +126,212+69.4% | Added |
| Baker Bros. Advisors LP | 337,050 | $17.9M | 0.17% | +260,000+337.4% | Added |
| Saturn V Capital Management LLC | 396,115 | $21.0M | 8.50% | −122,062−23.6% | Reduced |
| Armistice Capital, LLC | 436,000 | $23.1M | 0.88% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 450,000 | $23.8M | 0.04% | +150,000+50.0% | Added |
| TCG Crossover Management, LLC | 465,257 | $24.6M | 2.81% | 00.0% | Unchanged |
| Bain Capital Life Sciences Investors, LLC | 583,500 | $30.9M | 3.87% | −400,000−40.7% | Reduced |
| Geode Capital Management, LLC | 598,589 | $31.7M | 0.00% | +26,605+4.7% | Added |
| Logos Global Management LP | 700,000 | $37.1M | 4.95% | +305,658+77.5% | Added |
| JPMorgan Chase & Co | 843,616 | $44.7M | 0.00% | +84,278+11.1% | Added |
| Woodline Partners LP | 866,955 | $45.9M | 0.24% | +364,725+72.6% | Added |
| Deerfield Management Company, L.P. (Series C) | 919,403 | $48.7M | 0.88% | +137,070+17.5% | Added |
| State Street Corp | 929,768 | $49.2M | 0.00% | +11,201+1.2% | Added |
| Siren, L.L.C. | 1,099,401 | $58.2M | 3.01% | +27,536+2.6% | Added |
| Paradigm Biocapital Advisors LP | 1,210,971 | $64.1M | 2.74% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,396,736 | $74.0M | 0.00% | +91,690+7.0% | Added |
| OrbiMed Advisors LLC | 1,415,020 | $74.9M | 1.88% | 00.0% | Unchanged |
| Wellington Management Group LLP | 1,432,090 | $75.8M | 0.01% | −911,409−38.9% | Reduced |
| Price T Rowe Associates Inc | 1,515,625 | $80.3M | 0.01% | +157,371+11.6% | Added |
| Janus Henderson Group PLC | 1,553,961 | $82.3M | 0.04% | +130,702+9.2% | Added |
| Ra Capital Management, L.P. | 1,577,106 | $83.5M | 1.41% | 00.0% | Unchanged |
| Frazier Life Sciences Management, L.P. | 1,654,834 | $87.6M | 3.50% | −100,000−5.7% | Reduced |
| BlackRock, Inc. | 2,044,827 | $108.3M | 0.00% | −49,733−2.4% | Reduced |
| Atlas Venture Life Science Advisors, LLC | 2,384,456 | $126.3M | 19.07% | 00.0% | Unchanged |
| FMR LLC | 3,245,710 | $171.9M | 0.01% | +21,329+0.7% | Added |
| Silverarc Capital Management, LLC | 0 | $0 | 0.00% | −236,471−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −219,603−100.0% | Sold out |
| Perceptive Advisors LLC | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Pictet Asset Management Holding SA | 0 | $0 | 0.00% | −130,386−100.0% | Sold out |
| Suvretta Capital Management, LLC | 0 | $0 | 0.00% | −80,000−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −62,214−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −45,448−100.0% | Sold out |
| Ghisallo Capital Management LLC | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −22,561−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −16,810−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −16,337−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −14,329−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −12,188−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −11,180−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −8,556−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −7,565−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −7,552−100.0% | Sold out |
| Virginia Retirement Systems Et Al | 0 | $0 | 0.00% | −5,800−100.0% | Sold out |
| CIBC World Markets Corp | 0 | $0 | 0.00% | −5,064−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −4,279−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −4,217−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −577−100.0% | Sold out |
| Coldstream Capital Management Inc | 0 | $0 | 0.00% | −46−100.0% | Sold out |
| Fortitude Family Office, LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Wolff Wiese Magana LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Stephens Consulting, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| CoreCap Advisors, LLC | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Parallel Advisors, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |