Disc MedicineIRON
13F holders, Q2 2026 (June 30)216holders +13
35new positions
23sold out
5famous investors
$73.20avg. 13F price*
At the end of Q2 2026, 216 institutions reported holding Disc Medicine Inc. (IRON) in their 13F filings, up 13 from Q1 2026. 35 opened new positions and 23 sold out. The largest holders were FMR LLC ($358.0M), BlackRock, Inc. ($180.5M) and Ra Capital Management, L.P. ($179.2M). 5 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Disc Medicine Inc.
- CUSIP
- 254604101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 35 | $46.5M |
| Exits | 23 | $28.7M |
All 13F filers, Q1 2026 → Q2 2026: 4,484,570 shares bought and 3,614,776 shares sold, net +869,794 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 216 holders
| FMR LLC | 0.02% | Reduce -12.4% | 4,894,473 | $358.0M |
| BlackRock, Inc. | 0.00% | Add +8.5% | 2,467,899 | $180.5M |
| Ra Capital Management, L.P. | 1.56% | No change | 2,450,221 | $179.2M |
| JPMorgan Chase & Co. | 0.01% | Add +36.8% | 1,875,795 | $139.9M |
| T. Rowe Price Associates Inc. | 0.01% | Add +21.0% | 1,875,399 | $137.2M |
| Wellington Management Group LLP | 0.02% | Add +0.3% | 1,741,351 | $127.4M |
| State Street Corp. | 0.00% | Reduce -2.9% | 1,648,836 | $120.6M |
| Vestal Point Capital, LP | 2.65% | Add +121.4% | 1,550,000 | $113.4M |
| Atlas Venture Life Science Advisors, LLC | 12.56% | No change | 1,513,875 | $110.7M |
| Vanguard Capital Management LLC | 0.00% | Reduce -0.5% | 1,369,027 | $100.1M |
| Frazier Life Sciences Management, L.P. | 2.16% | No change | 1,354,852 | $99.1M |
| TCG Crossover Management, LLC | 2.36% | No change | 1,341,862 | $98.1M |
| BVF Inc. | 2.16% | Reduce -9.3% | 1,153,612 | $84.4M |
| Woodline Partners LP | 0.22% | No change | 958,281 | $70.1M |
| Siren, L.L.C. | 1.32% | Reduce -10.1% | 888,401 | $65.0M |
| Logos Global Management LP | 2.75% | Add +56.3% | 875,000 | $64.0M |
| Opaleye Management Inc. | 5.66% | Add +103.1% | 855,000 | $62.5M |
| Geode Capital Management, LLC | 0.00% | Add +6.1% | 789,724 | $57.8M |
| Deerfield Management Company, L.P. | 0.60% | No change | 657,000 | $48.1M |
| Dimensional Fund Advisors LP | 0.01% | Add +44.3% | 569,018 | $41.6M |
| Bellevue Group AG | 0.86% | Add +21.9% | 560,000 | $41.0M |
| Saturn V Capital Management LP | 5.50% | Add +16.6% | 524,730 | $38.4M |
| Armistice Capital, LLC | 0.93% | Reduce -14.2% | 460,000 | $33.6M |
| Jennison Associates LLC | 0.02% | Reduce -28.0% | 439,520 | $32.1M |
| Aberdeen Group plc | 0.04% | Add +16.7% | 438,174 | $32.0M |
| Palo Alto Investors LP | 4.21% | Add +3.7% | 416,646 | $30.5M |
| Eventide Asset Management, LLC | 0.39% | Add +0.0% | 395,651 | $28.9M |
| Pictet Asset Management Holding SA | 0.03% | Reduce -0.4% | 385,375 | $28.2M |
| Assenagon Asset Management S.A. | 0.04% | Reduce -29.7% | 384,158 | $28.1M |
| Loomis Sayles & Co. L P | 0.04% | Add +20.4% | 381,864 | $27.9M |
| Foresite Capital Management V, LLC | 7.55% | No change | 374,069 | $27.4M |
| Orbimed Advisors LLC | 0.50% | Reduce -66.5% | 357,535 | $26.2M |
| Baker Bros. Advisors LP | 0.13% | No change | 349,657 | $25.6M |
| Vanguard Portfolio Management LLC | 0.00% | Add +14.0% | 281,937 | $20.6M |
| Octagon Capital Advisors LP | 1.81% | No change | 270,000 | $19.7M |
| Northern Trust Corp. | 0.00% | Add +7.2% | 264,990 | $19.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +2.5% | 257,382 | $18.8M |
| Checkpoint Capital L.P. | 4.51% | Reduce -16.2% | 240,125 | $17.6M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +3.6% | 225,198 | $16.5M |
| Citadel Advisors | 0.01% | Add +113.7% | 209,308 | $15.3M |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.1% | 204,727 | $15.0M |
| BNP Paribas Financial Markets | 0.01% | Add +44.6% | 184,695 | $13.5M |
| Catalio Capital Management, LP | 2.19% | Add +29.6% | 159,384 | $11.7M |
| Sofinnova Investments, Inc. | 0.57% | Add +86.7% | 146,239 | $10.7M |
| Bain Capital Life Sciences Investors, LLC | 0.61% | No change | 141,234 | $10.3M |
| Two Sigma Investments, LP | 0.01% | New | 136,750 | $10.0M |
| Bank of America Corp. | 0.00% | Reduce -19.0% | 135,111 | $9.9M |
| Alyeska Investment Group, L.P. | 0.02% | No change | 125,000 | $9.1M |
| Ensign Peak Advisors, Inc | 0.01% | Reduce -36.2% | 122,111 | $8.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +2.9% | 114,109 | $8.3M |
| UBS Group AG | 0.00% | Add +12.5% | 110,971 | $8.1M |
| Trexquant Investment LP | 0.05% | New | 107,699 | $7.9M |
| Kennedy Capital Management LLC | 0.14% | Reduce -1.4% | 106,769 | $7.8M |
| Millennium Management | 0.01% | Add +27.6% | 106,248 | $7.8M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -84.8% | 97,383 | $7.1M |
| Morgan Stanley | 0.00% | Reduce -2.8% | 91,595 | $6.7M |
| HRT Financial LP | 0.01% | New | 90,822 | $6.6M |
| Silverarc Capital Management, LLC | 0.67% | Reduce -57.8% | 82,800 | $6.1M |
| Raymond James Financial Inc. | 0.00% | Add +74.5% | 77,980 | $5.7M |
| Squarepoint Ops LLC | 0.01% | Add +139.3% | 75,872 | $5.5M |
| DNB Asset Management AS | 0.01% | Reduce -24.4% | 73,127 | $5.3M |
| iA Global Asset Management Inc. | 0.06% | Reduce -0.3% | 66,023 | $4.8M |
| Casdin Capital, LLC | 0.24% | No change | 65,000 | $4.8M |
| Sphera Funds Management LTD. | 0.67% | Add +18.7% | 63,538 | $4.6M |
| Nuveen, LLC | 0.00% | Add +17.5% | 60,357 | $4.4M |
| KVP Capital Advisors, LP | 3.13% | No change | 58,250 | $4.3M |
| Moore Capital Management, LP | 0.10% | No change | 57,796 | $4.2M |
| XTX Topco Ltd | 0.05% | Add +64.8% | 56,710 | $4.1M |
| NEXTBio Capital Management LP | 1.77% | No change | 52,655 | $3.9M |
| Algert Global LLC | 0.04% | Add +128.6% | 51,850 | $3.8M |
| ExodusPoint Capital Management, LP | 0.04% | New | 51,623 | $3.8M |
| Schroder Investment Management Group | 0.00% | Reduce -1.9% | 50,000 | $3.7M |
| Burkehill Global Management, LP | 0.14% | No change | 50,000 | $3.7M |
| Brevan Howard Capital Management LP | 0.05% | Add +54.3% | 49,996 | $3.7M |
| Swiss National Bank | 0.00% | Add +3.8% | 49,800 | $3.6M |
| Ameriprise Financial Inc. | 0.00% | Add +0.1% | 45,874 | $3.4M |
| Atle Fund Management AB | 0.86% | Reduce -59.3% | 43,682 | $3.2M |
| Quadrature Capital Ltd | 0.03% | New | 42,419 | $3.1M |
| Invesco Ltd. | 0.00% | Add +37.3% | 42,057 | $3.1M |
| California State Teachers Retirement System | 0.00% | Add +14.5% | 39,360 | $2.9M |
| Alps Advisors Inc. | 0.01% | Add +24.2% | 38,565 | $2.8M |
| Citigroup Inc. | 0.00% | Add +394.9% | 38,317 | $2.8M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Reduce -4.1% | 38,262 | $2.8M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Reduce -3.6% | 36,634 | $2.7M |
| Rhumbline Advisers | 0.00% | Add +8.4% | 35,844 | $2.6M |
| Lazard Asset Management LLC | 0.00% | Reduce -11.1% | 35,034 | $2.6M |
| Seven Grand Managers, LLC | 0.10% | No change | 35,000 | $2.6M |
| Marshall Wace, LLP | 0.00% | New | 34,394 | $2.5M |
| Jump Financial, LLC | 0.02% | Reduce -60.2% | 32,549 | $2.4M |
| Bank of Montreal | 0.00% | Add +12.3% | 32,308 | $2.4M |
| Deutsche Bank AG | 0.00% | Add +25.6% | 30,643 | $2.2M |
| Alliancebernstein L.P. | 0.00% | Add +41.3% | 34,670 | $2.2M |
| RTW Investments, LP | 0.02% | No change | 30,000 | $2.2M |
| Victory Capital Management Inc. | 0.00% | Reduce -0.3% | 29,117 | $2.1M |
| Wells Fargo & Company | 0.00% | Add +96.9% | 28,924 | $2.1M |
| Tudor Investment Corporation | 0.01% | Reduce -7.5% | 28,663 | $2.1M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -14.5% | 27,771 | $2.0M |
| Y-Intercept (Hong Kong) Ltd | 0.04% | New | 26,888 | $2.0M |
| Rafferty Asset Management, LLC | 0.00% | Reduce -50.7% | 26,566 | $1.9M |
| Campbell & CO Investment Adviser LLC | 0.10% | New | 25,568 | $1.9M |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -11.7% | 22,333 | $1.6M |
| TD Asset Management Inc | 0.00% | Reduce -29.1% | 21,600 | $1.6M |
| Engineers Gate Manager LP | 0.02% | Add +110.9% | 19,552 | $1.4M |
| Barclays PLC | 0.00% | Reduce -43.8% | 18,710 | $1.4M |
| Legal & General Group Plc | 0.00% | Reduce -4.7% | 18,458 | $1.4M |
| Teachers Retirement System of the State of Kentucky | 0.01% | Reduce -7.3% | 17,599 | $1.3M |
| MetLife Investment Management, LLC | 0.01% | Add +10.1% | 16,588 | $1.2M |
| Gsa Capital Partners LLP | 0.08% | New | 16,324 | $1.2M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -3.5% | 16,114 | $1.2M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | No change | 16,111 | $1.2M |
| Jane Street Group, LLC | 0.00% | New | 16,011 | $1.2M |
| State of Wisconsin Investment Board | 0.00% | Add +8.0% | 15,429 | $1.1M |
| Man Group plc | 0.00% | Add +49.2% | 14,925 | $1.1M |
| HighVista Strategies LLC | 0.24% | New | 14,219 | $1.0M |
| Profund Advisors LLC | 0.03% | Reduce -43.6% | 13,509 | $988K |
| State Board of Administration of Florida Retirement System | 0.00% | Add +49.0% | 12,971 | $949K |
| Qube Research & Technologies Ltd | 0.00% | New | 12,758 | $933K |
| Handelsbanken Fonder AB | 0.00% | New | 12,700 | $929K |
| Sei Investments Co. | 0.00% | Reduce -18.5% | 12,647 | $925K |
| Martingale Asset Management L P | 0.02% | New | 12,009 | $878K |
| Vanguard Global Advisers, LLC | 0.00% | Reduce -7.3% | 11,597 | $848K |
| Jupiter Topco LLC | 0.00% | — | 11,555 | $844K |
| New York State Common Retirement Fund | 0.00% | Add +17.5% | 10,076 | $737K |
| AQR Capital Management | 0.00% | Reduce -30.3% | 9,868 | $722K |
| Entropy Technologies, LP | 0.02% | Add +75.6% | 8,408 | $615K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +11.7% | 8,345 | $610K |
| China Universal Asset Management Co., Ltd. | 0.04% | Reduce -1.6% | 8,239 | $603K |
| Lion Point Capital, LP | 2.83% | No change | 8,100 | $592K |
| Russell Investments Group, Ltd. | 0.00% | Add +206.9% | 8,083 | $591K |
| State of New Jersey Common Pension Fund D | 0.00% | Reduce -3.6% | 8,020 | $587K |
| PSP Research LLC | 0.31% | No change | 8,000 | $585K |
| SG Americas Securities, LLC | 0.00% | Reduce -31.4% | 7,704 | $563K |
| Quantinno Capital Management LP | 0.00% | New | 7,297 | $534K |
| Arizona State Retirement System | 0.00% | Add +2.4% | 6,844 | $501K |
| EntryPoint Capital, LLC | 0.11% | No change | 6,371 | $466K |
| SummitTX Capital, L.P. | 0.01% | Reduce -54.4% | 6,309 | $461K |
| Creative Planning | 0.00% | Add +65.9% | 6,254 | $457K |
| Intech Investment Management LLC | 0.00% | Add +3.2% | 6,054 | $443K |
| Axq Capital, LP | 0.05% | New | 6,035 | $441K |
| D. E. Shaw & Co. | 0.00% | New | 6,027 | $441K |
| Vanguard Investments Australia, Ltd. | 0.00% | No change | 5,959 | $436K |
| Susquehanna Portfolio Strategies, LLC | 0.01% | New | 5,808 | $425K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 5,640 | $413K |
| Voya Investment Management LLC | 0.00% | Add +22.9% | 5,430 | $397K |
| KLP Kapitalforvaltning As | 0.00% | No change | 5,200 | $380K |
| ProShare Advisors LLC | 0.00% | Reduce -12.8% | 4,959 | $363K |
| Virtus Investment Advisers, LLC | 0.08% | Add +62.2% | 4,812 | $352K |
| Jones Financial Companies LLLP | 0.00% | Add +183.7% | 4,616 | $345K |
| Virtu Financial LLC | 0.01% | Add +24.0% | 4,694 | $343K |
| Prudential Financial Inc. | 0.00% | Add +8.6% | 4,630 | $339K |
| Eleva Capital SAS | 0.10% | No change | 5,115 | $327K |
| Fiduciary Trust Co | 0.00% | No change | 4,051 | $296K |
| AlphaCentric Advisors LLC | 0.25% | Add +1.5% | 4,030 | $295K |
| E Fund Management Co., Ltd. | 0.01% | Reduce -44.7% | 3,746 | $274K |
| Capstone Investment Advisors, LLC | 0.00% | Reduce -46.5% | 3,355 | $245K |
| Jain Global LLC | 0.00% | New | 3,130 | $229K |
| Los Angeles Capital Management LLC | 0.00% | Reduce -22.0% | 3,082 | $225K |
| DLD Asset Management, LP | 0.06% | New | 3,000 | $219K |
| Susquehanna International Group, LLP | 0.00% | Reduce -81.1% | 2,914 | $213K |
| Teacher Retirement System of Texas | 0.00% | Reduce -7.9% | 2,895 | $212K |
| STRS Ohio | 0.00% | Reduce -55.0% | 2,700 | $197K |
| Ameritas Investment Partners, Inc. | 0.01% | Add +14.2% | 2,568 | $188K |
| Quantbot Technologies LP | 0.01% | New | 2,090 | $153K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -14.2% | 1,708 | $125K |
| Nykredit A/S | 0.00% | — | 1,411 | $103K |
| US Bancorp \de | 0.00% | Add +3.7% | 1,229 | $90K |
| KBC Group NV | 0.00% | No change | 1,011 | $74K |
| Royal Bank of Canada | 0.00% | Add +4020.8% | 989 | $73K |
| Foresite Capital Management VI LLC | 0.01% | New | 970 | $71K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -84.4% | 939 | $69K |
| GF Fund Management Co. LTD. | 0.00% | Reduce -4.6% | 809 | $59K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 730 | $53K |
| Allworth Financial LP | 0.00% | Add +5.7% | 633 | $46K |
| Nisa Investment Advisors, LLC | 0.00% | Add +135.8% | 566 | $41K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 528 | $39K |
| Bayforest Capital Ltd | 0.03% | Reduce -87.3% | 451 | $33K |
| Pacer Advisors, Inc. | 0.00% | New | 444 | $32K |
| State of Wyoming | 0.00% | New | 346 | $25K |
| GAMMA Investing LLC | 0.00% | Add +9.0% | 292 | $21K |
| Kemnay Advisory Services Inc. | 0.00% | Add +9.3% | 269 | $20K |
| Osaic Holdings, Inc. | 0.00% | Reduce -2.5% | 268 | $20K |
| Toronto Dominion Bank | 0.00% | New | 198 | $14K |
| J.Safra Asset Management Corp | 0.00% | Reduce -17.0% | 161 | $12K |
| Larson Financial Group LLC | 0.00% | No change | 123 | $9K |
| Sterling Capital Management LLC | 0.00% | Reduce -44.4% | 99 | $7K |
| Smartleaf Asset Management LLC | 0.00% | No change | 92 | $7K |
| Arax Advisory Partners | 0.00% | New | 86 | $6K |
| CoreCap Advisors, LLC | 0.00% | New | 78 | $6K |
| Optiver Holding B.V. | 0.00% | Reduce -20.7% | 65 | $5K |
| Farther Finance Advisors, LLC | 0.00% | Add +6.8% | 47 | $3K |
| First Horizon Corp. | 0.00% | Add +20.0% | 36 | $3K |
| Rothschild Investment LLC | 0.00% | Reduce -21.9% | 32 | $2K |
| Versant Capital Management, Inc | 0.00% | Add +57.9% | 30 | $2K |
| Silver Grove Financial Group, Inc. | 0.00% | New | 26 | $2K |
| Fifth Third Bancorp | 0.00% | Reduce -13.8% | 25 | $2K |
| Parkside Financial Bank & Trust | 0.00% | No change | 20 | $1K |
| Quarry LP | 0.00% | New | 18 | $1K |
| JPL Wealth Management, LLC | 0.00% | No change | 17 | $1K |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -76.1% | 17 | $1K |
| Covestor Ltd | 0.00% | Add +250.0% | 7 | $1K |
| GW&K Investment Management, LLC | 0.00% | New | 16 | $1K |
| Geneos Wealth Management Inc. | 0.00% | No change | 13 | $951 |
| Huntington National Bank | 0.00% | New | 12 | $878 |
| Assetmark, Inc. | 0.00% | No change | 12 | $878 |
| Cornerstone Financial Management LLC | 0.00% | No change | 11 | $805 |
| Bare Financial Services, Inc | 0.00% | No change | 9 | $658 |
| Keating Financial Advisory Services, Inc. | 0.00% | Add +100.0% | 6 | $439 |
| Essential Partners LLC | 0.00% | Add +25.0% | 5 | $366 |
| Global Retirement Partners, LLC | 0.00% | — | 4 | $293 |
| Clearstead Advisors, LLC | 0.00% | New | 2 | $148 |
| Downshift Financial, LLC | 0.00% | New | 2 | $146 |
| Hughes Financial Services, LLC | 0.00% | Add +100.0% | 2 | $146 |
| IFP Advisors, Inc | 0.00% | Reduce -66.7% | 1 | $73 |
| SBI Securities Co., Ltd. | 0.00% | No change | 1 | $73 |
| Fortitude Family Office, LLC | 0.00% | New | 1 | $73 |
| Wealth Enhancement Trust Services, Inc. | 0.00% | New | 1 | $73 |
"% of holder's portfolio" is IRON's weight in each manager's 13F, not the share of Disc Medicine Inc. the manager owns.