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 11 sales; 216 institutions reported holding it in 13F filings for Q2 2026, worth $3.16B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Disc Medicine, Inc. as of Jun 30, 2026. 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
- 216
- +15 vs. Q1 2026
- Shares held
- 43.2M
- +1.27M (+3.0%) vs. Q1 2026
- Total value
- $3.16B
- +$488.4M (+18.3%) vs. Q1 2026
- New holders
- 38
- 77 more added
- Sold out
- 23
- 62 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | $3.16B |
| Q1 2026 | 203 | $2.67B |
| Q4 2025 | 197 | $3.04B |
| Q3 2025 | 168 | $2.31B |
| Q2 2025 | 152 | $1.81B |
| Q1 2025 | 157 | $1.65B |
| Q4 2024 | 152 | $1.68B |
| Q3 2024 | 132 | $1.35B |
| Q2 2024 | 121 | $1.29B |
| Q1 2024 | 130 | $1.41B |
| Q4 2023 | 112 | $1.17B |
| Q3 2023 | 91 | $935.9M |
| Q2 2023 | 90 | $848.7M |
| Q1 2023 | 45 | $312.9M |
| Q4 2022 | 34 | $215.8M |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Disc Medicine, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 4,894,473 | $358.0M | 0.02% | −692,421−12.4% | Reduced |
| BlackRock, Inc. | 2,467,899 | $180.5M | 0.00% | +194,068+8.5% | Added |
| Ra Capital Management, L.P. | 2,450,221 | $179.2M | 1.56% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 1,875,795 | $139.9M | 0.01% | +504,315+36.8% | Added |
| Price T Rowe Associates Inc | 1,875,399 | $137.2M | 0.01% | +326,049+21.0% | Added |
| Wellington Management Group LLP | 1,741,351 | $127.4M | 0.02% | +5,975+0.3% | Added |
| State Street Corp | 1,648,836 | $120.6M | 0.00% | −49,408−2.9% | Reduced |
| Vestal Point Capital, LP | 1,550,000 | $113.4M | 2.65% | +850,000+121.4% | Added |
| Atlas Venture Life Science Advisors, LLC | 1,513,875 | $110.7M | 12.56% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 1,369,027 | $100.1M | 0.00% | −6,403−0.5% | Reduced |
| Frazier Life Sciences Management, L.P. | 1,354,852 | $99.1M | 2.16% | 00.0% | Unchanged |
| TCG Crossover Management, LLC | 1,341,862 | $98.1M | 2.36% | 00.0% | Unchanged |
| BVF Inc | 1,153,612 | $84.4M | 2.16% | −118,700−9.3% | Reduced |
| Woodline Partners LP | 958,281 | $70.1M | 0.22% | 00.0% | Unchanged |
| Siren, L.L.C. | 888,401 | $65.0M | 1.32% | −100,000−10.1% | Reduced |
| Logos Global Management LP | 875,000 | $64.0M | 2.76% | +315,000+56.3% | Added |
| Opaleye Management Inc. | 855,000 | $62.5M | 5.66% | +434,000+103.1% | Added |
| Geode Capital Management, LLC | 789,724 | $57.8M | 0.00% | +45,502+6.1% | Added |
| Assenagon Asset Management S.A. | 768,316 | $56.2M | 0.04% | +222,069+40.7% | Added |
| Deerfield Management Company, L.P. (Series C) | 657,000 | $48.1M | 0.50% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 569,018 | $41.6M | 0.01% | +174,571+44.3% | Added |
| Bellevue Group AG | 560,000 | $41.0M | 0.86% | +100,686+21.9% | Added |
| Saturn V Capital Management LLC | 524,730 | $38.4M | 5.50% | +74,804+16.6% | Added |
| Armistice Capital, LLC | 460,000 | $33.6M | 0.93% | −76,000−14.2% | Reduced |
| Jennison Associates LLC | 439,520 | $32.1M | 0.02% | −170,862−28.0% | Reduced |
| Standard Life Aberdeen plc | 438,174 | $32.0M | 0.04% | +62,560+16.7% | Added |
| Palo Alto Investors LP | 416,646 | $30.5M | 4.21% | +14,927+3.7% | Added |
| Eventide Asset Management, LLC | 395,651 | $28.9M | 0.39% | +790.0% | Added |
| Pictet Asset Management Holding SA | 385,375 | $28.2M | 0.03% | −1,630−0.4% | Reduced |
| Loomis Sayles & Co L P | 381,864 | $27.9M | 0.04% | +64,642+20.4% | Added |
| Foresite Capital Management V, LLC | 374,069 | $27.4M | 7.55% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 357,535 | $26.2M | 0.50% | −710,015−66.5% | Reduced |
| Baker Bros. Advisors LP | 349,657 | $25.6M | 0.13% | 00.0% | Unchanged |
| Vanguard Portfolio Management LLC | 281,937 | $20.6M | 0.00% | +34,599+14.0% | Added |
| Octagon Capital Advisors LP | 270,000 | $19.7M | 1.81% | 00.0% | Unchanged |
| Northern Trust Corp | 264,990 | $19.4M | 0.00% | +17,795+7.2% | Added |
| Charles Schwab Investment Management Inc | 257,382 | $18.8M | 0.00% | +6,187+2.5% | Added |
| Checkpoint Capital L.P. | 240,125 | $17.6M | 4.51% | −46,536−16.2% | Reduced |
| Vanguard Fiduciary Trust Co | 225,198 | $16.5M | 0.00% | +7,762+3.6% | Added |
| Citadel Advisors LLC | 209,308 | $15.3M | 0.01% | +111,378+113.7% | Added |
| Bank of New York Mellon Corp | 204,727 | $15.0M | 0.00% | −241−0.1% | Reduced |
| BNP Paribas Arbitrage, SA | 184,695 | $13.5M | 0.01% | +56,958+44.6% | Added |
| Catalio Capital Management, LP | 159,384 | $11.7M | 2.19% | +36,406+29.6% | Added |
| Sofinnova Investments, Inc. | 146,239 | $10.7M | 0.57% | +67,919+86.7% | Added |
| Bain Capital Life Sciences Investors, LLC | 141,234 | $10.3M | 0.61% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 136,750 | $10.0M | 0.01% | +136,750 | New |
| Bank of America Corp | 135,111 | $9.88M | 0.00% | −31,664−19.0% | Reduced |
| Alyeska Investment Group, L.P. | 125,000 | $9.14M | 0.02% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 122,111 | $8.93M | 0.01% | −69,376−36.2% | Reduced |
| UBS Asset Management Americas Inc | 114,109 | $8.35M | 0.00% | +3,219+2.9% | Added |
| UBS Group AG | 110,971 | $8.12M | 0.00% | +12,350+12.5% | Added |
| Trexquant Investment LP | 107,699 | $7.88M | 0.05% | +107,699 | New |
| Kennedy Capital Management, Inc. | 106,769 | $7.81M | 0.14% | −1,517−1.4% | Reduced |
| Millennium Management LLC | 106,248 | $7.77M | 0.01% | +22,989+27.6% | Added |
| Goldman Sachs Group Inc | 97,383 | $7.12M | 0.00% | −542,459−84.8% | Reduced |
| Morgan Stanley | 91,595 | $6.70M | 0.00% | −2,669−2.8% | Reduced |
| HRT Financial LP | 90,822 | $6.64M | 0.01% | +90,822 | New |
| Silverarc Capital Management, LLC | 82,800 | $6.06M | 0.67% | −113,228−57.8% | Reduced |
| Raymond James Financial Inc | 77,980 | $5.70M | 0.00% | +33,280+74.5% | Added |
| Squarepoint Ops LLC | 75,872 | $5.55M | 0.01% | +44,163+139.3% | Added |
| DnB Asset Management AS | 73,127 | $5.35M | 0.01% | −23,628−24.4% | Reduced |
| iA Global Asset Management Inc. | 66,023 | $4.83M | 0.06% | −220−0.3% | Reduced |
| Casdin Capital, LLC | 65,000 | $4.75M | 0.24% | 00.0% | Unchanged |
| Sphera Funds Management Ltd. | 63,538 | $4.65M | 0.66% | +10,000+18.7% | Added |
| Nuveen, LLC | 60,357 | $4.41M | 0.00% | +8,977+17.5% | Added |
| KVP Capital Advisors, LP | 58,250 | $4.26M | 3.13% | 00.0% | Unchanged |
| Moore Capital Management, LP | 57,796 | $4.23M | 0.10% | 00.0% | Unchanged |
| XTX Topco Ltd | 56,710 | $4.15M | 0.05% | +22,292+64.8% | Added |
| NEXTBio Capital Management LP | 52,655 | $3.85M | 1.77% | 00.0% | Unchanged |
| Algert Global LLC | 51,850 | $3.79M | 0.04% | +29,170+128.6% | Added |
| ExodusPoint Capital Management, LP | 51,623 | $3.78M | 0.03% | +51,623 | New |
| Schroder Investment Management Group | 50,000 | $3.73M | 0.00% | −959−1.9% | Reduced |
| Burkehill Global Management, LP | 50,000 | $3.66M | 0.13% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 49,996 | $3.66M | 0.05% | +17,590+54.3% | Added |
| Swiss National Bank | 49,800 | $3.64M | 0.00% | +1,800+3.8% | Added |
| Ameriprise Financial Inc | 45,874 | $3.36M | 0.00% | +37+0.1% | Added |
| HealthInvest Partners AB | 43,682 | $3.19M | 0.86% | −63,573−59.3% | Reduced |
| Quadrature Capital Ltd | 42,419 | $3.10M | 0.03% | +42,419 | New |
| Invesco Ltd. | 42,057 | $3.08M | 0.00% | +11,419+37.3% | Added |
| California State Teachers Retirement System | 39,360 | $2.88M | 0.00% | +4,978+14.5% | Added |
| Alps Advisors Inc | 38,565 | $2.82M | 0.01% | +7,507+24.2% | Added |
| Citigroup Inc | 38,317 | $2.80M | 0.00% | +30,575+394.9% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 38,262 | $2.80M | 0.00% | −1,648−4.1% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 36,634 | $2.68M | 0.00% | −1,372−3.6% | Reduced |
| Rhumbline Advisers | 35,844 | $2.62M | 0.00% | +2,786+8.4% | Added |
| Lazard Asset Management LLC | 35,034 | $2.56M | 0.00% | −4,366−11.1% | Reduced |
| Seven Grand Managers, LLC | 35,000 | $2.56M | 0.10% | 00.0% | Unchanged |
| Marshall Wace, LLP | 34,394 | $2.52M | 0.00% | +34,394 | New |
| Jump Financial, LLC | 32,549 | $2.38M | 0.02% | −49,280−60.2% | Reduced |
| Bank of Montreal | 32,308 | $2.36M | 0.00% | +3,535+12.3% | Added |
| Deutsche Bank AG | 30,643 | $2.24M | 0.00% | +6,242+25.6% | Added |
| Alliancebernstein L.P. | 34,670 | $2.22M | 0.00% | +10,130+41.3% | Added |
| RTW Investments, LP | 30,000 | $2.19M | 0.02% | 00.0% | Unchanged |
| Victory Capital Management Inc | 29,117 | $2.13M | 0.00% | −101−0.3% | Reduced |
| Wells Fargo & Company | 28,924 | $2.12M | 0.00% | +14,234+96.9% | Added |
| Tudor Investment Corp Et Al | 28,663 | $2.10M | 0.01% | −2,339−7.5% | Reduced |
| Manufacturers Life Insurance Company, The | 27,771 | $2.03M | 0.00% | −4,722−14.5% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 26,888 | $1.97M | 0.04% | +26,888 | New |
| Rafferty Asset Management, LLC | 26,566 | $1.94M | 0.00% | −27,303−50.7% | Reduced |
| Campbell & CO Investment Adviser LLC | 25,568 | $1.87M | 0.10% | +25,568 | New |