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, Q3 2023
Institutional positions in Disc Medicine, Inc. as of Sep 30, 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
- 91
- +1 vs. Q2 2023
- Shares held
- 19.9M
- +764.4K (+4.0%) vs. Q2 2023
- Total value
- $934.0M
- +$85.2M (+10.0%) vs. Q2 2023
- New holders
- 19
- 39 more added
- Sold out
- 18
- 19 more reduced
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Disc Medicine, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Atlas Venture Life Science Advisors, LLC | 2,745,335 | $129.0M | 19.98% | −716,449−20.7% | Reduced |
| OrbiMed Advisors LLC | 2,269,637 | $106.6M | 2.47% | 00.0% | Unchanged |
| Bain Capital Life Sciences Investors, LLC | 1,332,545 | $62.6M | 7.00% | −30.0% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,308,405 | $61.5M | 0.14% | +145,781+12.5% | Added |
| Paradigm Biocapital Advisors LP | 1,272,279 | $59.8M | 4.08% | +1,272,279 | New |
| Novo Holdings A/S | 1,090,772 | $51.2M | 3.79% | 00.0% | Unchanged |
| Perceptive Advisors LLC | 895,641 | $42.1M | 1.41% | +152,803+20.6% | Added |
| State Street Corp | 667,301 | $31.3M | 0.00% | +527,898+378.7% | Added |
| Vanguard Group Inc | 665,452 | $31.3M | 0.00% | +105,685+18.9% | Added |
| Frazier Life Sciences Management, L.P. | 655,000 | $30.8M | 2.05% | 00.0% | Unchanged |
| BlackRock Inc. | 644,331 | $30.3M | 0.00% | +141,782+28.2% | Added |
| Polar Capital Holdings Plc | 546,915 | $25.7M | 0.19% | +546,915 | New |
| Price T Rowe Associates Inc | 527,739 | $24.8M | 0.00% | +325,069+160.4% | Added |
| Janus Henderson Group PLC | 500,380 | $23.5M | 0.02% | +10.0% | Added |
| 5AM Venture Management, LLC | 438,442 | $20.6M | 5.93% | −50,000−10.2% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 430,000 | $20.2M | 0.45% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 363,468 | $17.1M | 0.46% | 00.0% | Unchanged |
| Citadel Advisors LLC | 310,431 | $14.6M | 0.02% | −340,889−52.3% | Reduced |
| FMR LLC | 305,433 | $14.3M | 0.00% | −17,621−5.5% | Reduced |
| Foresite Capital Management V, LLC | 243,513 | $11.4M | 18.25% | 00.0% | Unchanged |
| Cormorant Asset Management, LP | 225,000 | $10.6M | 0.62% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 214,398 | $10.1M | 0.00% | +67,343+45.8% | Added |
| Invesco Ltd. | 161,213 | $7.57M | 0.00% | +50,581+45.7% | Added |
| Franklin Resources Inc | 161,021 | $7.56M | 0.00% | +3,766+2.4% | Added |
| Ikarian Capital, LLC | 142,766 | $6.71M | 2.49% | −97,265−40.5% | Reduced |
| Acuta Capital Partners, LLC | 138,198 | $6.49M | 4.72% | −1,302−0.9% | Reduced |
| Victory Capital Management Inc | 137,523 | $6.46M | 0.01% | +137,523 | New |
| Sphera Funds Management Ltd. | 111,398 | $5.23M | 1.26% | −59,180−34.7% | Reduced |
| Northern Trust Corp | 89,038 | $4.18M | 0.00% | +19,063+27.2% | Added |
| Point72 Asset Management, L.P. | 86,000 | $4.04M | 0.01% | −39,200−31.3% | Reduced |
| Charles Schwab Investment Management Inc | 84,200 | $3.96M | 0.00% | +63,644+309.6% | Added |
| Trustees of Columbia University in the City of New York | 78,682 | $3.70M | 6.80% | −31,806−28.8% | Reduced |
| Assenagon Asset Management S.A. | 74,164 | $3.48M | 0.01% | −173,236−70.0% | Reduced |
| Rafferty Asset Management, LLC | 63,132 | $2.97M | 0.02% | +63,132 | New |
| Wellington Management Group LLP | 54,745 | $2.57M | 0.00% | +11,475+26.5% | Added |
| Bank of America Corp | 53,823 | $2.53M | 0.00% | −504,273−90.4% | Reduced |
| Parkman Healthcare Partners LLC | 52,058 | $2.45M | 0.45% | +2,058+4.1% | Added |
| EAM Investors, LLC | 51,111 | $2.40M | 0.46% | +3,905+8.3% | Added |
| Morgan Stanley | 49,557 | $2.33M | 0.00% | +6,027+13.8% | Added |
| Hudson Bay Capital Management LP | 42,000 | $1.97M | 0.02% | +42,000 | New |
| Ensign Peak Advisors, Inc | 40,000 | $1.88M | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 31,561 | $1.48M | 0.00% | +30,008+1,932.3% | Added |
| Boothbay Fund Management, LLC | 31,286 | $1.47M | 0.05% | −17,655−36.1% | Reduced |
| Bank of New York Mellon Corp | 30,550 | $1.44M | 0.00% | +5,567+22.3% | Added |
| Renaissance Technologies LLC | 29,690 | $1.40M | 0.00% | −39,200−56.9% | Reduced |
| Goldman Sachs Group Inc | 27,354 | $1.29M | 0.00% | +27,354 | New |
| Citigroup Inc | 26,547 | $1.25M | 0.00% | +24,245+1,053.2% | Added |
| ExodusPoint Capital Management, LP | 25,330 | $1.19M | 0.02% | −27,470−52.0% | Reduced |
| CHI Advisors LLC | 25,000 | $1.17M | 0.47% | −100,139−80.0% | Reduced |
| UBS Oconnor LLC | 23,121 | $1.09M | 0.02% | +6,000+35.0% | Added |
| TD Asset Management Inc | 20,214 | $949.7K | 0.00% | +14,607+260.5% | Added |
| Nuveen Asset Management, LLC | 20,065 | $942.7K | 0.00% | −14,940−42.7% | Reduced |
| UBS Group AG | 19,016 | $893.4K | 0.00% | +7,322+62.6% | Added |
| Swiss National Bank | 17,400 | $817.5K | 0.00% | +17,400 | New |
| Alps Advisors Inc | 16,900 | $794.0K | 0.01% | +2,346+16.1% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 16,642 | $781.8K | 0.00% | +16,642 | New |
| Rhumbline Advisers | 13,936 | $654.7K | 0.00% | +3,726+36.5% | Added |
| Wells Fargo & Company | 13,290 | $624.4K | 0.00% | +10,091+315.4% | Added |
| Schonfeld Strategic Advisors LLC | 12,700 | $596.6K | 0.01% | +5,500+76.4% | Added |
| Trexquant Investment LP | 12,534 | $588.8K | 0.01% | +12,534 | New |
| Manufacturers Life Insurance Company, The | 12,525 | $588.4K | 0.00% | +5,729+84.3% | Added |
| Jane Street Group, LLC | 10,649 | $500.3K | 0.00% | +10,649 | New |
| Profund Advisors LLC | 10,552 | $495.7K | 0.03% | +10,552 | New |
| Martingale Asset Management L P | 9,899 | $465.1K | 0.01% | +9,899 | New |
| Two Sigma Investments, LP | 9,300 | $436.9K | 0.00% | −30,961−76.9% | Reduced |
| Alliancebernstein L.P. | 9,130 | $428.9K | 0.00% | +1,850+25.4% | Added |
| California State Teachers Retirement System | 8,960 | $420.9K | 0.00% | +6,387+248.2% | Added |
| Legal & General Group Plc | 8,775 | $412.2K | 0.00% | +7,850+848.6% | Added |
| Stifel Financial Corp | 8,760 | $411.5K | 0.00% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 8,171 | $383.9K | 0.00% | +8,171 | New |
| Credit Suisse AG | 6,136 | $288.3K | 0.00% | +6,136 | New |
| JPMorgan Chase & Co | 6,032 | $283.4K | 0.00% | +35+0.6% | Added |
| Squarepoint Ops LLC | 5,200 | $244.3K | 0.00% | +5,200 | New |
| MetLife Investment Management | 4,792 | $225.1K | 0.00% | +598+14.3% | Added |
| Deutsche Bank AG | 4,609 | $216.5K | 0.00% | +987+27.3% | Added |
| American International Group, Inc. | 4,405 | $206.9K | 0.00% | +682+18.3% | Added |
| The PNC Financial Services Group, Inc. | 4,010 | $188.4K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 3,293 | $154.7K | 0.00% | +93+2.9% | Added |
| Virtus ETF Advisers LLC | 2,014 | $94.6K | 0.06% | −205−9.2% | Reduced |
| US Bancorp | 1,176 | $55.2K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 1,145 | $54.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,129 | $53.0K | 0.00% | +627+124.9% | Added |
| Ameritas Investment Partners, Inc. | 885 | $41.6K | 0.00% | +246+38.5% | Added |
| STRS Ohio | 600 | $28.0K | 0.00% | +600 | New |
| Metropolitan Life Insurance Co | 529 | $24.9K | 0.00% | +94+21.6% | Added |
| Steward Partners Investment Advisory, LLC | 400 | $18.8K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 305 | $14.3K | 0.00% | +78+34.4% | Added |
| Allspring Global Investments Holdings, LLC | 232 | $10.9K | 0.00% | +232 | New |
| Ulland Investment Advisors, LLC | 34 | $2.00K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 9 | $423 | 0.00% | +9 | New |
| Covestor Ltd | 2 | $0 | 0.00% | +2 | New |
| Octagon Capital Advisors LP | 0 | $0 | 0.00% | −415,000−100.0% | Sold out |
| Boxer Capital, LLC | 0 | $0 | 0.00% | −130,000−100.0% | Sold out |
| Davidson Kempner Capital Management LP | 0 | $0 | 0.00% | −90,000−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −68,146−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −45,000−100.0% | Sold out |
| Blackstone Group Inc. | 0 | $0 | 0.00% | −40,866−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −35,804−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −32,800−100.0% | Sold out |
| Ghisallo Capital Management LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |