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 |
|---|---|---|---|---|---|
| FMR LLC | 3,245,710 | $171.9M | 0.01% | +21,329+0.7% | Added |
| Atlas Venture Life Science Advisors, LLC | 2,384,456 | $126.3M | 19.07% | 00.0% | Unchanged |
| BlackRock, Inc. | 2,044,827 | $108.3M | 0.00% | −49,733−2.4% | Reduced |
| Frazier Life Sciences Management, L.P. | 1,654,834 | $87.6M | 3.50% | −100,000−5.7% | Reduced |
| Ra Capital Management, L.P. | 1,577,106 | $83.5M | 1.41% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 1,553,961 | $82.3M | 0.04% | +130,702+9.2% | Added |
| Price T Rowe Associates Inc | 1,515,625 | $80.3M | 0.01% | +157,371+11.6% | Added |
| Wellington Management Group LLP | 1,432,090 | $75.8M | 0.01% | −911,409−38.9% | Reduced |
| OrbiMed Advisors LLC | 1,415,020 | $74.9M | 1.88% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,396,736 | $74.0M | 0.00% | +91,690+7.0% | Added |
| Paradigm Biocapital Advisors LP | 1,210,971 | $64.1M | 2.74% | 00.0% | Unchanged |
| Siren, L.L.C. | 1,099,401 | $58.2M | 3.01% | +27,536+2.6% | Added |
| State Street Corp | 929,768 | $49.2M | 0.00% | +11,201+1.2% | Added |
| Deerfield Management Company, L.P. (Series C) | 919,403 | $48.7M | 0.88% | +137,070+17.5% | Added |
| Woodline Partners LP | 866,955 | $45.9M | 0.24% | +364,725+72.6% | Added |
| JPMorgan Chase & Co | 843,616 | $44.7M | 0.00% | +84,278+11.1% | Added |
| Logos Global Management LP | 700,000 | $37.1M | 4.95% | +305,658+77.5% | Added |
| Geode Capital Management, LLC | 598,589 | $31.7M | 0.00% | +26,605+4.7% | Added |
| Bain Capital Life Sciences Investors, LLC | 583,500 | $30.9M | 3.87% | −400,000−40.7% | Reduced |
| TCG Crossover Management, LLC | 465,257 | $24.6M | 2.81% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 450,000 | $23.8M | 0.04% | +150,000+50.0% | Added |
| Armistice Capital, LLC | 436,000 | $23.1M | 0.88% | 00.0% | Unchanged |
| Saturn V Capital Management LLC | 396,115 | $21.0M | 8.50% | −122,062−23.6% | Reduced |
| Baker Bros. Advisors LP | 337,050 | $17.9M | 0.17% | +260,000+337.4% | Added |
| Eventide Asset Management, LLC | 308,030 | $16.3M | 0.29% | +126,212+69.4% | Added |
| First Turn Management, LLC | 299,464 | $15.9M | 2.96% | +299,464 | New |
| Foresite Capital Management V, LLC | 299,069 | $15.8M | 19.62% | 00.0% | Unchanged |
| Nantahala Capital Management, LLC | 287,800 | $15.2M | 1.08% | +139,409+93.9% | Added |
| Sio Capital Management, LLC | 284,787 | $15.1M | 6.05% | +211,276+287.4% | Added |
| Checkpoint Capital L.P. | 265,000 | $14.0M | 6.54% | +21,689+8.9% | Added |
| Goldman Sachs Group Inc | 225,856 | $12.0M | 0.00% | +95,105+72.7% | Added |
| Northern Trust Corp | 219,095 | $11.6M | 0.00% | +10,282+4.9% | Added |
| Charles Schwab Investment Management Inc | 204,241 | $10.8M | 0.00% | +9,516+4.9% | Added |
| Victory Capital Management Inc | 197,824 | $10.5M | 0.01% | +4,160+2.1% | Added |
| Dimensional Fund Advisors LP | 192,856 | $10.2M | 0.00% | +53,463+38.4% | Added |
| Opaleye Management Inc. | 186,418 | $9.87M | 2.00% | +101,418+119.3% | Added |
| Bank of America Corp | 168,822 | $8.94M | 0.00% | +115,014+213.7% | Added |
| Palo Alto Investors LP | 145,691 | $7.72M | 1.64% | +145,691 | New |
| UBS Group AG | 145,549 | $7.71M | 0.00% | +72,921+100.4% | Added |
| Ensign Peak Advisors, Inc | 141,545 | $7.50M | 0.01% | +69,032+95.2% | Added |
| Vestal Point Capital, LP | 140,000 | $7.41M | 0.39% | +140,000 | New |
| Blue Owl Capital Holdings LP | 122,260 | $6.47M | 2.09% | −18,000−12.8% | Reduced |
| UBS Asset Management Americas Inc | 121,584 | $6.44M | 0.00% | +25,027+25.9% | Added |
| Ameriprise Financial Inc | 121,520 | $6.44M | 0.00% | +53,615+79.0% | Added |
| Morgan Stanley | 110,679 | $5.86M | 0.00% | −59,531−35.0% | Reduced |
| Renaissance Technologies LLC | 96,420 | $5.11M | 0.01% | −94,800−49.6% | Reduced |
| Zimmer Partners, LP | 90,163 | $4.78M | 0.11% | +47,263+110.2% | Added |
| Barclays PLC | 86,558 | $4.58M | 0.00% | +40,850+89.4% | Added |
| Raymond James Financial Inc | 86,487 | $4.58M | 0.00% | +3,211+3.9% | Added |
| Schroder Investment Management Group | 82,451 | $4.49M | 0.00% | −4,839−5.5% | Reduced |
| Susquehanna International Group, LLP | 75,997 | $4.02M | 0.01% | +5,056+7.1% | Added |
| Patient Square Capital LP | 74,000 | $3.92M | 1.41% | −9,000−10.8% | Reduced |
| Bank of New York Mellon Corp | 71,502 | $3.79M | 0.00% | +7,999+12.6% | Added |
| Exome Asset Management LLC | 61,356 | $3.25M | 2.68% | −300−0.5% | Reduced |
| ExodusPoint Capital Management, LP | 57,945 | $3.07M | 0.04% | +44,380+327.2% | Added |
| Nicholas Investment Partners, LP | 54,445 | $2.88M | 0.26% | +54,445 | New |
| TD Asset Management Inc | 53,048 | $2.81M | 0.00% | +10,600+25.0% | Added |
| Manufacturers Life Insurance Company, The | 51,836 | $2.75M | 0.00% | +11,251+27.7% | Added |
| Nuveen, LLC | 50,270 | $2.66M | 0.00% | −62,447−55.4% | Reduced |
| Swiss National Bank | 42,900 | $2.27M | 0.00% | +7,000+19.5% | Added |
| Rhumbline Advisers | 35,755 | $1.89M | 0.00% | +3,611+11.2% | Added |
| Standard Life Aberdeen plc | 32,061 | $1.70M | 0.00% | +32,061 | New |
| Rafferty Asset Management, LLC | 31,489 | $1.67M | 0.01% | −2,552−7.5% | Reduced |
| PFM Health Sciences, LP | 30,799 | $1.63M | 0.14% | +30,799 | New |
| Catalio Capital Management, LP | 30,661 | $1.62M | 0.34% | +30,661 | New |
| Bollard Group LLC | 30,635 | $1.62M | 0.04% | +30,635 | New |
| The PNC Financial Services Group, Inc. | 25,140 | $1.33M | 0.00% | +1,440+6.1% | Added |
| HealthInvest Partners AB | 24,652 | $1.31M | 0.56% | +24,652 | New |
| Alliancebernstein L.P. | 24,140 | $1.28M | 0.00% | +3,080+14.6% | Added |
| Legal & General Group Plc | 24,097 | $1.28M | 0.00% | +3,682+18.0% | Added |
| Royal Bank of Canada | 22,599 | $1.20M | 0.00% | +21,401+1,786.4% | Added |
| Wells Fargo & Company | 22,461 | $1.19M | 0.00% | −375−1.6% | Reduced |
| Millennium Management LLC | 21,593 | $1.14M | 0.00% | −86,906−80.1% | Reduced |
| California State Teachers Retirement System | 20,250 | $1.07M | 0.00% | +98+0.5% | Added |
| Voloridge Investment Management, LLC | 19,726 | $1.04M | 0.00% | +19,726 | New |
| Alps Advisors Inc | 18,626 | $986.4K | 0.01% | −6,853−26.9% | Reduced |
| Prelude Capital Management, LLC | 18,156 | $961.5K | 0.09% | −44−0.2% | Reduced |
| New York State Common Retirement Fund | 16,852 | $892.5K | 0.00% | +10,576+168.5% | Added |
| Invesco Ltd. | 16,817 | $890.6K | 0.00% | +2,983+21.6% | Added |
| Deutsche Bank AG | 16,717 | $885.3K | 0.00% | +2,012+13.7% | Added |
| Citigroup Inc | 16,109 | $853.1K | 0.00% | −26,866−62.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 15,041 | $798.9K | 0.00% | −97−0.6% | Reduced |
| MetLife Investment Management | 14,854 | $786.7K | 0.00% | +1,400+10.4% | Added |
| Harvest Investment Services, LLC | 14,316 | $758.2K | 0.17% | −1,066−6.9% | Reduced |
| Walleye Capital LLC | 14,064 | $744.8K | 0.01% | −8,011−36.3% | Reduced |
| AQR Capital Management LLC | 13,649 | $722.9K | 0.00% | +13,649 | New |
| State of Wisconsin Investment Board | 12,889 | $682.6K | 0.00% | +906+7.6% | Added |
| Teachers Retirement System of the State of Kentucky | 12,851 | $681.0K | 0.01% | −1,777−12.1% | Reduced |
| UBS Oconnor LLC | 12,317 | $652.3K | 0.02% | −1,304−9.6% | Reduced |
| Intech Investment Management LLC | 12,222 | $647.3K | 0.01% | +1,274+11.6% | Added |
| Bank of Montreal | 10,988 | $581.9K | 0.00% | +5,137+87.8% | Added |
| Lion Point Capital, LP | 10,600 | $561.4K | 3.81% | 00.0% | Unchanged |
| First Trust Advisors LP | 10,246 | $542.6K | 0.00% | +10,246 | New |
| Y-Intercept (Hong Kong) Ltd | 9,382 | $496.9K | 0.01% | +9,382 | New |
| State Board of Administration of Florida Retirement System | 9,129 | $483.5K | 0.00% | +5,079+125.4% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 7,376 | $390.6K | 0.00% | +985+15.4% | Added |
| Sofinnova Investments, Inc. | 7,312 | $387.2K | 0.03% | −173−2.3% | Reduced |
| Legato Capital Management LLC | 7,228 | $382.8K | 0.05% | +7,228 | New |
| China Universal Asset Management Co., Ltd. | 6,956 | $368.4K | 0.03% | +22+0.3% | Added |
| HighVista Strategies LLC | 6,733 | $356.6K | 0.13% | +275+4.3% | Added |