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 $3.13B 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
- 42.8M
- +882.8K (+2.1%) vs. Q1 2026
- Total value
- $3.13B
- +$460.3M (+17.2%) vs. Q1 2026
- New holders
- 38
- 76 more added
- Sold out
- 23
- 63 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 | $3.13B |
| 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 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 |
|---|---|---|---|---|---|
| State Board of Administration of Florida Retirement System | 12,971 | $948.7K | 0.00% | +4,267+49.0% | Added |
| Profund Advisors LLC | 13,509 | $988.0K | 0.03% | −10,463−43.6% | Reduced |
| HighVista Strategies LLC | 14,219 | $1.04M | 0.24% | +14,219 | New |
| Man Group plc | 14,925 | $1.09M | 0.00% | +4,919+49.2% | Added |
| State of Wisconsin Investment Board | 15,429 | $1.13M | 0.00% | +1,141+8.0% | Added |
| Jane Street Group, LLC | 16,011 | $1.17M | 0.00% | +16,011 | New |
| Vanguard Asset Management, Ltd | 16,111 | $1.18M | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 16,114 | $1.18M | 0.00% | −585−3.5% | Reduced |
| Gsa Capital Partners LLP | 16,324 | $1.19M | 0.08% | +16,324 | New |
| MetLife Investment Management | 16,588 | $1.21M | 0.01% | +1,523+10.1% | Added |
| Teachers Retirement System of the State of Kentucky | 17,599 | $1.29M | 0.01% | −1,394−7.3% | Reduced |
| Legal & General Group Plc | 18,458 | $1.35M | 0.00% | −919−4.7% | Reduced |
| Barclays PLC | 18,710 | $1.37M | 0.00% | −14,557−43.8% | Reduced |
| Engineers Gate Manager LP | 19,552 | $1.43M | 0.02% | +10,282+110.9% | Added |
| TD Asset Management Inc | 21,600 | $1.58M | 0.00% | −8,876−29.1% | Reduced |
| The PNC Financial Services Group, Inc. | 22,333 | $1.63M | 0.00% | −2,959−11.7% | Reduced |
| Campbell & CO Investment Adviser LLC | 25,568 | $1.87M | 0.10% | +25,568 | New |
| Rafferty Asset Management, LLC | 26,566 | $1.94M | 0.00% | −27,303−50.7% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 26,888 | $1.97M | 0.04% | +26,888 | New |
| Manufacturers Life Insurance Company, The | 27,771 | $2.03M | 0.00% | −4,722−14.5% | Reduced |
| Tudor Investment Corp Et Al | 28,663 | $2.10M | 0.01% | −2,339−7.5% | Reduced |
| Wells Fargo & Company | 28,924 | $2.12M | 0.00% | +14,234+96.9% | Added |
| Victory Capital Management Inc | 29,117 | $2.13M | 0.00% | −101−0.3% | Reduced |
| RTW Investments, LP | 30,000 | $2.19M | 0.02% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 34,670 | $2.22M | 0.00% | +10,130+41.3% | Added |
| Deutsche Bank AG | 30,643 | $2.24M | 0.00% | +6,242+25.6% | Added |
| Bank of Montreal | 32,308 | $2.36M | 0.00% | +3,535+12.3% | Added |
| Jump Financial, LLC | 32,549 | $2.38M | 0.02% | −49,280−60.2% | Reduced |
| Marshall Wace, LLP | 34,394 | $2.52M | 0.00% | +34,394 | New |
| Seven Grand Managers, LLC | 35,000 | $2.56M | 0.10% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 35,034 | $2.56M | 0.00% | −4,366−11.1% | Reduced |
| Rhumbline Advisers | 35,844 | $2.62M | 0.00% | +2,786+8.4% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 36,634 | $2.68M | 0.00% | −1,372−3.6% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 38,262 | $2.80M | 0.00% | −1,648−4.1% | Reduced |
| Citigroup Inc | 38,317 | $2.80M | 0.00% | +30,575+394.9% | Added |
| Alps Advisors Inc | 38,565 | $2.82M | 0.01% | +7,507+24.2% | Added |
| California State Teachers Retirement System | 39,360 | $2.88M | 0.00% | +4,978+14.5% | Added |
| Invesco Ltd. | 42,057 | $3.08M | 0.00% | +11,419+37.3% | Added |
| Quadrature Capital Ltd | 42,419 | $3.10M | 0.03% | +42,419 | New |
| HealthInvest Partners AB | 43,682 | $3.19M | 0.86% | −63,573−59.3% | Reduced |
| Ameriprise Financial Inc | 45,874 | $3.36M | 0.00% | +37+0.1% | Added |
| Swiss National Bank | 49,800 | $3.64M | 0.00% | +1,800+3.8% | Added |
| Brevan Howard Capital Management LP | 49,996 | $3.66M | 0.05% | +17,590+54.3% | Added |
| Burkehill Global Management, LP | 50,000 | $3.66M | 0.13% | 00.0% | Unchanged |
| Schroder Investment Management Group | 50,000 | $3.73M | 0.00% | −959−1.9% | Reduced |
| ExodusPoint Capital Management, LP | 51,623 | $3.78M | 0.03% | +51,623 | New |
| Algert Global LLC | 51,850 | $3.79M | 0.04% | +29,170+128.6% | Added |
| NEXTBio Capital Management LP | 52,655 | $3.85M | 1.77% | 00.0% | Unchanged |
| XTX Topco Ltd | 56,710 | $4.15M | 0.05% | +22,292+64.8% | Added |
| Moore Capital Management, LP | 57,796 | $4.23M | 0.10% | 00.0% | Unchanged |
| KVP Capital Advisors, LP | 58,250 | $4.26M | 3.13% | 00.0% | Unchanged |
| Nuveen, LLC | 60,357 | $4.41M | 0.00% | +8,977+17.5% | Added |
| Sphera Funds Management Ltd. | 63,538 | $4.65M | 0.66% | +10,000+18.7% | Added |
| Casdin Capital, LLC | 65,000 | $4.75M | 0.24% | 00.0% | Unchanged |
| iA Global Asset Management Inc. | 66,023 | $4.83M | 0.06% | −220−0.3% | Reduced |
| DnB Asset Management AS | 73,127 | $5.35M | 0.01% | −23,628−24.4% | Reduced |
| Squarepoint Ops LLC | 75,872 | $5.55M | 0.01% | +44,163+139.3% | Added |
| Raymond James Financial Inc | 77,980 | $5.70M | 0.00% | +33,280+74.5% | Added |
| Silverarc Capital Management, LLC | 82,800 | $6.06M | 0.67% | −113,228−57.8% | Reduced |
| HRT Financial LP | 90,822 | $6.64M | 0.01% | +90,822 | New |
| Morgan Stanley | 91,595 | $6.70M | 0.00% | −2,669−2.8% | Reduced |
| Goldman Sachs Group Inc | 97,383 | $7.12M | 0.00% | −542,459−84.8% | Reduced |
| Millennium Management LLC | 106,248 | $7.77M | 0.01% | +22,989+27.6% | Added |
| Kennedy Capital Management, Inc. | 106,769 | $7.81M | 0.14% | −1,517−1.4% | Reduced |
| Trexquant Investment LP | 107,699 | $7.88M | 0.05% | +107,699 | New |
| UBS Group AG | 110,971 | $8.12M | 0.00% | +12,350+12.5% | Added |
| UBS Asset Management Americas Inc | 114,109 | $8.35M | 0.00% | +3,219+2.9% | Added |
| Ensign Peak Advisors, Inc | 122,111 | $8.93M | 0.01% | −69,376−36.2% | Reduced |
| Alyeska Investment Group, L.P. | 125,000 | $9.14M | 0.02% | 00.0% | Unchanged |
| Bank of America Corp | 135,111 | $9.88M | 0.00% | −31,664−19.0% | Reduced |
| Two Sigma Investments, LP | 136,750 | $10.0M | 0.01% | +136,750 | New |
| Bain Capital Life Sciences Investors, LLC | 141,234 | $10.3M | 0.61% | 00.0% | Unchanged |
| Sofinnova Investments, Inc. | 146,239 | $10.7M | 0.57% | +67,919+86.7% | Added |
| Catalio Capital Management, LP | 159,384 | $11.7M | 2.19% | +36,406+29.6% | Added |
| BNP Paribas Arbitrage, SA | 184,695 | $13.5M | 0.01% | +56,958+44.6% | Added |
| Bank of New York Mellon Corp | 204,727 | $15.0M | 0.00% | −241−0.1% | Reduced |
| Citadel Advisors LLC | 209,308 | $15.3M | 0.01% | +111,378+113.7% | Added |
| Vanguard Fiduciary Trust Co | 225,198 | $16.5M | 0.00% | +7,762+3.6% | Added |
| Checkpoint Capital L.P. | 240,125 | $17.6M | 4.51% | −46,536−16.2% | Reduced |
| Charles Schwab Investment Management Inc | 257,382 | $18.8M | 0.00% | +6,187+2.5% | Added |
| Northern Trust Corp | 264,990 | $19.4M | 0.00% | +17,795+7.2% | Added |
| Octagon Capital Advisors LP | 270,000 | $19.7M | 1.81% | 00.0% | Unchanged |
| Vanguard Portfolio Management LLC | 281,937 | $20.6M | 0.00% | +34,599+14.0% | Added |
| Baker Bros. Advisors LP | 349,657 | $25.6M | 0.13% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 357,535 | $26.2M | 0.50% | −710,015−66.5% | Reduced |
| Foresite Capital Management V, LLC | 374,069 | $27.4M | 7.55% | 00.0% | Unchanged |
| Loomis Sayles & Co L P | 381,864 | $27.9M | 0.04% | +64,642+20.4% | Added |
| Assenagon Asset Management S.A. | 384,158 | $28.1M | 0.04% | −162,089−29.7% | Reduced |
| Pictet Asset Management Holding SA | 385,375 | $28.2M | 0.03% | −1,630−0.4% | Reduced |
| Eventide Asset Management, LLC | 395,651 | $28.9M | 0.39% | +790.0% | Added |
| Palo Alto Investors LP | 416,646 | $30.5M | 4.21% | +14,927+3.7% | Added |
| Standard Life Aberdeen plc | 438,174 | $32.0M | 0.04% | +62,560+16.7% | Added |
| Jennison Associates LLC | 439,520 | $32.1M | 0.02% | −170,862−28.0% | Reduced |
| Armistice Capital, LLC | 460,000 | $33.6M | 0.93% | −76,000−14.2% | Reduced |
| Saturn V Capital Management LLC | 524,730 | $38.4M | 5.50% | +74,804+16.6% | Added |
| Bellevue Group AG | 560,000 | $41.0M | 0.86% | +100,686+21.9% | Added |
| Dimensional Fund Advisors LP | 569,018 | $41.6M | 0.01% | +174,571+44.3% | Added |
| Deerfield Management Company, L.P. (Series C) | 657,000 | $48.1M | 0.50% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 789,724 | $57.8M | 0.00% | +45,502+6.1% | Added |
| Opaleye Management Inc. | 855,000 | $62.5M | 5.66% | +434,000+103.1% | Added |