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 2025
Institutional positions in Disc Medicine, Inc. as of Sep 30, 2025. 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
- 168
- +16 vs. Q2 2025
- Shares held
- 34.2M
- +150.8K (+0.4%) vs. Q2 2025
- Total value
- $2.26B
- +$457.0M (+25.3%) vs. Q2 2025
- New holders
- 25
- 62 more added
- Sold out
- 9
- 45 more reduced
Compare with Q2 2025: 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 2025
Shares, value and share of portfolio for each institution holding Disc Medicine, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State Board of Administration of Florida Retirement System | 9,129 | $603.2K | 0.00% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 9,028 | $596.6K | 0.01% | +9,028 | New |
| Cubist Systematic Strategies, LLC | 8,714 | $575.8K | 0.01% | +8,714 | New |
| Profund Advisors LLC | 8,118 | $536.4K | 0.02% | +1,404+20.9% | Added |
| SG Americas Securities, LLC | 8,064 | $533.0K | 0.00% | +8,064 | New |
| Intech Investment Management LLC | 8,006 | $529.0K | 0.00% | −4,216−34.5% | Reduced |
| China Universal Asset Management Co., Ltd. | 7,094 | $468.8K | 0.04% | +138+2.0% | Added |
| Renaissance Technologies LLC | 6,800 | $449.3K | 0.00% | −89,620−92.9% | Reduced |
| Arizona State Retirement System | 6,654 | $439.7K | 0.00% | +120+1.8% | Added |
| Police & Firemen's Retirement System of New Jersey | 6,501 | $429.6K | 0.00% | +1,011+18.4% | Added |
| Verition Fund Management LLC | 6,133 | $405.3K | 0.00% | +6,133 | New |
| DnB Asset Management AS | 5,522 | $364.9K | 0.00% | +939+20.5% | Added |
| Teacher Retirement System of Texas | 5,487 | $362.6K | 0.00% | −530−8.8% | Reduced |
| Squarepoint Ops LLC | 5,377 | $355.3K | 0.00% | +5,377 | New |
| Campbell & CO Investment Adviser LLC | 5,290 | $349.6K | 0.03% | +5,290 | New |
| ProShare Advisors LLC | 5,188 | $342.8K | 0.00% | −1,157−18.2% | Reduced |
| KLP Kapitalforvaltning AS | 4,600 | $304.0K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 4,266 | $281.9K | 0.00% | −2,429−36.3% | Reduced |
| Fiduciary Trust Co | 4,051 | $267.7K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 4,045 | $267.3K | 0.00% | −12,064−74.9% | Reduced |
| Bryce Point Capital, LLC | 3,912 | $258.5K | 0.32% | +3,912 | New |
| Susquehanna Portfolio Strategies, LLC | 3,733 | $246.7K | 0.00% | +3,733 | New |
| Pictet Asset Management Holding SA | 3,563 | $235.4K | 0.00% | +3,563 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,988 | $197.4K | 0.00% | −59−1.9% | Reduced |
| Russell Investments Group, Ltd. | 2,438 | $161.1K | 0.00% | +2,422+15,137.5% | Added |
| STRS Ohio | 2,200 | $145.4K | 0.00% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 2,158 | $142.6K | 0.04% | +374+21.0% | Added |
| Ameritas Investment Partners, Inc. | 1,931 | $127.6K | 0.00% | −584−23.2% | Reduced |
| Avanza Fonder AB | 1,668 | $110.2K | 0.00% | +585+54.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,344 | $88.8K | 0.00% | +6+0.4% | Added |
| US Bancorp | 1,176 | $77.7K | 0.00% | −3−0.3% | Reduced |
| Tower Research Capital LLC (TRC) | 1,105 | $73.0K | 0.00% | −2,870−72.2% | Reduced |
| CWM, LLC | 1,027 | $68.0K | 0.00% | −17−1.6% | Reduced |
| Amalgamated Bank | 787 | $52.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 800 | $52.0K | 0.00% | +601+302.0% | Added |
| GF Fund Management Co. Ltd. | 748 | $49.4K | 0.00% | −14−1.8% | Reduced |
| Public Employees Retirement Association of Colorado | 730 | $48.0K | 0.00% | 00.0% | Unchanged |
| Aster Capital Management (DIFC) Ltd | 576 | $38.1K | 0.02% | +576 | New |
| Steward Partners Investment Advisory, LLC | 533 | $35.2K | 0.00% | 00.0% | Unchanged |
| Quest Partners LLC | 327 | $21.6K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 293 | $19.4K | 0.00% | +9+3.2% | Added |
| GAMMA Investing LLC | 276 | $18.2K | 0.00% | +36+15.0% | Added |
| Advisor Group Holdings, Inc. | 270 | $17.8K | 0.00% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 213 | $14.0K | 0.00% | +11+5.4% | Added |
| SRS Capital Advisors, Inc. | 206 | $13.6K | 0.00% | +206 | New |
| Optiver Holding B.V. | 194 | $12.8K | 0.00% | +194 | New |
| Larson Financial Group LLC | 108 | $7.14K | 0.00% | −1−0.9% | Reduced |
| Daiwa Securities Group Inc. | 113 | $7.00K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 102 | $6.74K | 0.00% | −46−31.1% | Reduced |
| EverSource Wealth Advisors, LLC | 75 | $4.96K | 0.00% | +3+4.2% | Added |
| Caitong International Asset Management Co., Ltd | 60 | $3.96K | 0.00% | +57+1,900.0% | Added |
| Sterling Capital Management LLC | 56 | $3.70K | 0.00% | −4−6.7% | Reduced |
| Comerica Bank | 44 | $2.87K | 0.00% | +19+76.0% | Added |
| Rothschild Investment LLC | 40 | $2.64K | 0.00% | −5−11.1% | Reduced |
| Parkside Financial Bank & Trust | 20 | $1.32K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 19 | $1.26K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 12 | $793 | 0.00% | 00.0% | Unchanged |
| Bare Financial Services, Inc | 9 | $595 | 0.00% | +9 | New |
| Farther Finance Advisors, LLC | 7 | $463 | 0.00% | +7 | New |
| Allworth Financial LP | 6 | $397 | 0.00% | +2+50.0% | Added |
| J.Safra Asset Management Corp | 6 | $396 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 6 | $396 | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 6 | $396 | 0.00% | +3+100.0% | Added |
| Essential Partners LLC | 4 | $264 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 3 | $198 | 0.00% | +3 | Added |
| True Wealth Design, LLC | 1 | $67 | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 2 | $0 | 0.00% | −10−83.3% | Reduced |
| Covestor Ltd | 2 | $0 | 0.00% | 00.0% | Unchanged |
| Bain Capital Life Sciences Investors, LLC | 0 | $0 | 0.00% | −583,500−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −57,945−100.0% | Sold out |
| Bollard Group LLC | 0 | $0 | 0.00% | −30,635−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −19,726−100.0% | Sold out |
| Harvest Investment Services, LLC | 0 | $0 | 0.00% | −14,316−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −12,317−100.0% | Sold out |
| First Trust Advisors LP | 0 | $0 | 0.00% | −10,246−100.0% | Sold out |
| HighVista Strategies LLC | 0 | $0 | 0.00% | −6,733−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −2,244−100.0% | Sold out |