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 2023
Institutional positions in Disc Medicine, Inc. as of Dec 31, 2023. 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
- 112
- +22 vs. Q3 2023
- Shares held
- 20.2M
- +342.3K (+1.7%) vs. Q3 2023
- Total value
- $1.17B
- +$233.8M (+25.1%) vs. Q3 2023
- New holders
- 32
- 41 more added
- Sold out
- 10
- 28 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Disc Medicine, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Atlas Venture Life Science Advisors, LLC | 2,555,172 | $147.6M | 17.58% | −190,163−6.9% | Reduced |
| Paradigm Biocapital Advisors LP | 2,385,857 | $137.8M | 6.46% | +1,113,578+87.5% | Added |
| OrbiMed Advisors LLC | 1,702,237 | $98.3M | 1.97% | −567,400−25.0% | Reduced |
| Bain Capital Life Sciences Investors, LLC | 1,332,545 | $77.0M | 7.38% | 00.0% | Unchanged |
| Perceptive Advisors LLC | 1,023,045 | $59.1M | 1.32% | +127,404+14.2% | Added |
| BlackRock Inc. | 868,440 | $50.2M | 0.00% | +224,109+34.8% | Added |
| Frazier Life Sciences Management, L.P. | 785,000 | $45.3M | 2.42% | +130,000+19.8% | Added |
| Vanguard Group Inc | 764,544 | $44.2M | 0.00% | +99,092+14.9% | Added |
| Adage Capital Partners GP, L.L.C. | 750,000 | $43.3M | 0.09% | −558,405−42.7% | Reduced |
| Price T Rowe Associates Inc | 590,831 | $34.1M | 0.00% | +63,092+12.0% | Added |
| State Street Corp | 559,195 | $32.3M | 0.00% | −108,106−16.2% | Reduced |
| Polar Capital Holdings Plc | 546,915 | $31.6M | 0.22% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 464,292 | $26.8M | 0.50% | +34,292+8.0% | Added |
| Janus Henderson Group PLC | 443,178 | $25.6M | 0.02% | −57,202−11.4% | Reduced |
| Rock Springs Capital Management LP | 363,468 | $21.0M | 0.52% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 363,085 | $21.0M | 0.01% | +353,955+3,876.8% | Added |
| 5AM Venture Management, LLC | 294,221 | $17.0M | 4.51% | −144,221−32.9% | Reduced |
| Foresite Capital Management V, LLC | 243,513 | $14.1M | 19.16% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 229,419 | $13.3M | 0.00% | +15,021+7.0% | Added |
| Franklin Resources Inc | 221,424 | $12.8M | 0.01% | +60,403+37.5% | Added |
| FMR LLC | 217,412 | $12.6M | 0.00% | −88,021−28.8% | Reduced |
| Pictet Asset Management Holding SA | 195,091 | $11.3M | 0.01% | +195,091 | New |
| Ikarian Capital, LLC | 194,982 | $11.3M | 3.08% | +52,216+36.6% | Added |
| Citadel Advisors LLC | 187,924 | $10.9M | 0.01% | −122,507−39.5% | Reduced |
| Victory Capital Management Inc | 187,580 | $10.8M | 0.01% | +50,057+36.4% | Added |
| Wellington Management Group LLP | 177,726 | $10.3M | 0.00% | +122,981+224.6% | Added |
| First Turn Management, LLC | 157,274 | $9.08M | 1.30% | +157,274 | New |
| Blue Owl Capital Holdings LP | 140,260 | $8.10M | 1.94% | +140,260 | New |
| StemPoint Capital LP | 125,429 | $7.24M | 1.95% | +125,429 | New |
| Cormorant Asset Management, LP | 125,000 | $7.22M | 0.35% | −100,000−44.4% | Reduced |
| Acuta Capital Partners, LLC | 115,500 | $6.67M | 3.76% | −22,698−16.4% | Reduced |
| Invesco Ltd. | 114,068 | $6.59M | 0.00% | −47,145−29.2% | Reduced |
| Morgan Stanley | 112,387 | $6.49M | 0.00% | +62,830+126.8% | Added |
| Northern Trust Corp | 95,259 | $5.50M | 0.00% | +6,221+7.0% | Added |
| Parkman Healthcare Partners LLC | 92,871 | $5.36M | 0.76% | +40,813+78.4% | Added |
| Charles Schwab Investment Management Inc | 89,725 | $5.18M | 0.00% | +5,525+6.6% | Added |
| Candriam Luxembourg S.C.A. | 80,000 | $4.62M | 0.03% | +80,000 | New |
| Saturn V Capital Management LLC | 64,784 | $3.74M | 1.43% | +64,784 | New |
| Goldman Sachs Group Inc | 62,175 | $3.59M | 0.00% | +34,821+127.3% | Added |
| Hudson Bay Capital Management LP | 62,000 | $3.58M | 0.03% | +20,000+47.6% | Added |
| Schroder Investment Management Group | 58,260 | $3.37M | 0.00% | +58,260 | New |
| EAM Investors, LLC | 52,895 | $3.06M | 0.55% | +1,784+3.5% | Added |
| Qube Research & Technologies Ltd | 50,711 | $2.93M | 0.01% | +50,711 | New |
| MPM Oncology Impact Management LP | 50,000 | $2.89M | 0.68% | +50,000 | New |
| Renaissance Technologies LLC | 48,280 | $2.79M | 0.00% | +18,590+62.6% | Added |
| Boothbay Fund Management, LLC | 43,150 | $2.49M | 0.09% | +11,864+37.9% | Added |
| Jennison Associates LLC | 43,031 | $2.49M | 0.00% | +43,031 | New |
| Caption Management, LLC | 43,000 | $2.48M | 0.27% | +43,000 | New |
| Nicholas Investment Partners, LP | 40,494 | $2.34M | 0.27% | +40,494 | New |
| Ensign Peak Advisors, Inc | 40,000 | $2.31M | 0.00% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 39,863 | $2.30M | 0.01% | −23,269−36.9% | Reduced |
| Nuveen Asset Management, LLC | 33,932 | $1.96M | 0.00% | +13,867+69.1% | Added |
| Bank of America Corp | 31,960 | $1.85M | 0.00% | −21,863−40.6% | Reduced |
| Bank of New York Mellon Corp | 30,504 | $1.76M | 0.00% | −46−0.2% | Reduced |
| Barclays PLC | 28,464 | $1.64M | 0.00% | −3,097−9.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 25,057 | $1.45M | 0.01% | +8,415+50.6% | Added |
| Two Sigma Investments, LP | 23,094 | $1.33M | 0.00% | +13,794+148.3% | Added |
| Schonfeld Strategic Advisors LLC | 22,346 | $1.29M | 0.01% | +9,646+76.0% | Added |
| Jane Street Group, LLC | 20,845 | $1.20M | 0.00% | +10,196+95.7% | Added |
| Millennium Management LLC | 20,697 | $1.20M | 0.00% | +20,697 | New |
| TD Asset Management Inc | 20,214 | $1.17M | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 18,889 | $1.09M | 0.00% | +6,364+50.8% | Added |
| HRT Financial LP | 16,870 | $974.0K | 0.01% | +16,870 | New |
| Citigroup Inc | 16,681 | $963.5K | 0.00% | −9,866−37.2% | Reduced |
| Alps Advisors Inc | 16,150 | $932.8K | 0.01% | −750−4.4% | Reduced |
| JPMorgan Chase & Co | 16,029 | $925.8K | 0.00% | +9,997+165.7% | Added |
| Swiss National Bank | 15,800 | $912.6K | 0.00% | −1,600−9.2% | Reduced |
| Virtu Financial LLC | 13,802 | $797.0K | 0.06% | +13,802 | New |
| UBS Group AG | 13,622 | $786.8K | 0.00% | −5,394−28.4% | Reduced |
| Rhumbline Advisers | 12,646 | $730.4K | 0.00% | −1,290−9.3% | Reduced |
| Engineers Gate Manager LP | 11,427 | $660.0K | 0.02% | +11,427 | New |
| Martingale Asset Management L P | 11,300 | $652.7K | 0.01% | +1,401+14.2% | Added |
| The PNC Financial Services Group, Inc. | 10,000 | $577.6K | 0.00% | +5,990+149.4% | Added |
| Checkpoint Capital L.P. | 10,000 | $577.6K | 0.40% | +10,000 | New |
| Y-Intercept (Hong Kong) Ltd | 9,844 | $568.6K | 0.05% | +9,844 | New |
| New York State Common Retirement Fund | 9,686 | $559.5K | 0.00% | +6,393+194.1% | Added |
| UBS Oconnor LLC | 9,338 | $539.4K | 0.02% | −13,783−59.6% | Reduced |
| SG Americas Securities, LLC | 9,135 | $528.0K | 0.01% | +9,135 | New |
| Legal & General Group Plc | 8,782 | $507.2K | 0.00% | +7+0.1% | Added |
| California State Teachers Retirement System | 8,600 | $496.7K | 0.00% | −360−4.0% | Reduced |
| Stifel Financial Corp | 8,160 | $471.3K | 0.00% | −600−6.8% | Reduced |
| Squarepoint Ops LLC | 8,107 | $468.3K | 0.00% | +2,907+55.9% | Added |
| Credit Suisse AG | 7,927 | $457.9K | 0.00% | +1,791+29.2% | Added |
| Susquehanna International Group, LLP | 6,882 | $397.5K | 0.00% | +6,882 | New |
| State of Wisconsin Investment Board | 6,762 | $390.6K | 0.00% | −1,409−17.2% | Reduced |
| Profund Advisors LLC | 6,506 | $375.8K | 0.02% | −4,046−38.3% | Reduced |
| Pale Fire Capital SE | 6,120 | $353.5K | 0.06% | +6,120 | New |
| Legato Capital Management LLC | 5,273 | $304.6K | 0.04% | +5,273 | New |
| MetLife Investment Management | 4,792 | $276.8K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 4,522 | $261.2K | 0.00% | −87−1.9% | Reduced |
| American International Group, Inc. | 4,444 | $256.7K | 0.00% | +39+0.9% | Added |
| Jump Financial, LLC | 4,306 | $248.7K | 0.01% | +4,306 | New |
| Fiduciary Trust Co | 4,051 | $234.0K | 0.00% | +4,051 | New |
| Sawtooth Solutions, LLC | 3,716 | $214.6K | 0.01% | +3,716 | New |
| Bleakley Financial Group, LLC | 3,716 | $214.6K | 0.01% | +3,716 | New |
| Voya Investment Management LLC | 3,578 | $206.7K | 0.00% | +3,578 | New |
| China Universal Asset Management Co., Ltd. | 2,793 | $161.3K | 0.03% | +2,793 | New |
| Royal Bank of Canada | 2,651 | $153.0K | 0.00% | +1,522+134.8% | Added |
| Wells Fargo & Company | 2,571 | $148.5K | 0.00% | −10,719−80.7% | Reduced |
| Tower Research Capital LLC (TRC) | 2,339 | $135.1K | 0.00% | +2,034+666.9% | Added |