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, 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 |
|---|---|---|---|---|---|
| The PNC Financial Services Group, Inc. | 22,333 | $1.63M | 0.00% | −2,959−11.7% | Reduced |
| TD Asset Management Inc | 21,600 | $1.58M | 0.00% | −8,876−29.1% | Reduced |
| Engineers Gate Manager LP | 19,552 | $1.43M | 0.02% | +10,282+110.9% | Added |
| Barclays PLC | 18,710 | $1.37M | 0.00% | −14,557−43.8% | Reduced |
| Legal & General Group Plc | 18,458 | $1.35M | 0.00% | −919−4.7% | Reduced |
| Teachers Retirement System of the State of Kentucky | 17,599 | $1.29M | 0.01% | −1,394−7.3% | Reduced |
| MetLife Investment Management | 16,588 | $1.21M | 0.01% | +1,523+10.1% | Added |
| Gsa Capital Partners LLP | 16,324 | $1.19M | 0.08% | +16,324 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 16,114 | $1.18M | 0.00% | −585−3.5% | Reduced |
| Vanguard Asset Management, Ltd | 16,111 | $1.18M | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 16,011 | $1.17M | 0.00% | +16,011 | New |
| State of Wisconsin Investment Board | 15,429 | $1.13M | 0.00% | +1,141+8.0% | Added |
| Man Group plc | 14,925 | $1.09M | 0.00% | +4,919+49.2% | Added |
| HighVista Strategies LLC | 14,219 | $1.04M | 0.24% | +14,219 | New |
| Profund Advisors LLC | 13,509 | $988.0K | 0.03% | −10,463−43.6% | Reduced |
| State Board of Administration of Florida Retirement System | 12,971 | $948.7K | 0.00% | +4,267+49.0% | Added |
| Qube Research & Technologies Ltd | 12,758 | $933.1K | 0.00% | +12,758 | New |
| Handelsbanken Fonder AB | 12,700 | $929.0K | 0.00% | +12,700 | New |
| SEI Investments Co | 12,647 | $925.0K | 0.00% | −2,863−18.5% | Reduced |
| Martingale Asset Management L P | 12,009 | $878.3K | 0.02% | +12,009 | New |
| Vanguard Global Advisers, LLC | 11,597 | $848.2K | 0.00% | −919−7.3% | Reduced |
| Jupiter Topco LLC | 11,555 | $844.5K | 0.00% | +11,555 | New |
| New York State Common Retirement Fund | 10,076 | $737.0K | 0.00% | +1,500+17.5% | Added |
| AQR Capital Management LLC | 9,868 | $721.7K | 0.00% | −4,287−30.3% | Reduced |
| Entropy Technologies, LP | 8,408 | $615.0K | 0.02% | +3,620+75.6% | Added |
| Police & Firemen's Retirement System of New Jersey | 8,345 | $610.4K | 0.00% | +871+11.7% | Added |
| China Universal Asset Management Co., Ltd. | 8,239 | $602.6K | 0.04% | −133−1.6% | Reduced |
| Lion Point Capital, LP | 8,100 | $592.4K | 2.83% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 8,083 | $591.2K | 0.00% | +5,449+206.9% | Added |
| State of New Jersey Common Pension Fund D | 8,020 | $586.6K | 0.00% | −297−3.6% | Reduced |
| PSP Research LLC | 8,000 | $585.1K | 0.31% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 7,704 | $563.0K | 0.00% | −3,522−31.4% | Reduced |
| Quantinno Capital Management LP | 7,297 | $533.7K | 0.00% | +7,297 | New |
| Arizona State Retirement System | 6,844 | $500.6K | 0.00% | +160+2.4% | Added |
| EntryPoint Capital, LLC | 6,371 | $466.0K | 0.11% | 00.0% | Unchanged |
| SummitTX Capital, L.P. | 6,309 | $461.4K | 0.01% | −7,511−54.3% | Reduced |
| Creative Planning | 6,254 | $457.4K | 0.00% | +2,485+65.9% | Added |
| Intech Investment Management LLC | 6,054 | $442.8K | 0.00% | +186+3.2% | Added |
| Axq Capital, LP | 6,035 | $441.4K | 0.05% | +6,035 | New |
| D. E. Shaw & Co., Inc. | 6,027 | $440.8K | 0.00% | +6,027 | New |
| Vanguard Investments Australia, Ltd. | 5,959 | $435.8K | 0.00% | 00.0% | Unchanged |
| Susquehanna Portfolio Strategies, LLC | 5,808 | $424.8K | 0.01% | +5,808 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,640 | $412.5K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 5,430 | $397.1K | 0.00% | +1,010+22.9% | Added |
| KLP Kapitalforvaltning AS | 5,200 | $380.3K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 4,959 | $362.7K | 0.00% | −729−12.8% | Reduced |
| Virtus Investment Advisers, Inc. | 4,812 | $351.9K | 0.08% | +1,845+62.2% | Added |
| Jones Financial Companies LLLP | 4,616 | $345.2K | 0.00% | +2,989+183.7% | Added |
| Virtu Financial LLC | 4,694 | $343.0K | 0.01% | +908+24.0% | Added |
| Prudential Financial Inc | 4,630 | $338.6K | 0.00% | +365+8.6% | Added |
| Eleva Capital SAS | 5,115 | $327.1K | 0.10% | 00.0% | Unchanged |
| Fiduciary Trust Co | 4,051 | $296.3K | 0.00% | 00.0% | Unchanged |
| AlphaCentric Advisors LLC | 4,030 | $294.8K | 0.25% | +58+1.5% | Added |
| E Fund Management Co., Ltd. | 3,746 | $274.0K | 0.01% | −3,026−44.7% | Reduced |
| Capstone Investment Advisors, LLC | 3,355 | $245.4K | 0.00% | −2,910−46.4% | Reduced |
| Jain Global LLC | 3,130 | $228.9K | 0.00% | +3,130 | New |
| Los Angeles Capital Management LLC | 3,082 | $225.4K | 0.00% | −870−22.0% | Reduced |
| DLD Asset Management, LP | 3,000 | $219.4K | 0.02% | +3,000 | New |
| Susquehanna International Group, LLP | 2,914 | $213.1K | 0.00% | −12,492−81.1% | Reduced |
| Teacher Retirement System of Texas | 2,895 | $211.7K | 0.00% | −249−7.9% | Reduced |
| STRS Ohio | 2,700 | $197.5K | 0.00% | −3,300−55.0% | Reduced |
| Ameritas Investment Partners, Inc. | 2,568 | $187.8K | 0.01% | +320+14.2% | Added |
| Quantbot Technologies LP | 2,090 | $152.9K | 0.01% | +2,090 | New |
| Mirae Asset Global Investments Co., Ltd. | 1,708 | $124.9K | 0.00% | −282−14.2% | Reduced |
| Nykredit A/S | 1,411 | $103.2K | 0.00% | +1,411 | New |
| US Bancorp | 1,229 | $89.9K | 0.00% | +44+3.7% | Added |
| KBC Group NV | 1,011 | $74.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 989 | $73.0K | 0.00% | +965+4,020.8% | Added |
| Foresite Capital Management VI LLC | 970 | $70.9K | 0.01% | +970 | New |
| Tower Research Capital LLC (TRC) | 939 | $68.7K | 0.00% | −5,078−84.4% | Reduced |
| GF Fund Management Co. Ltd. | 809 | $59.2K | 0.00% | −39−4.6% | Reduced |
| Public Employees Retirement Association of Colorado | 730 | $53.0K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 633 | $46.3K | 0.00% | +34+5.7% | Added |
| Nisa Investment Advisors, LLC | 566 | $41.4K | 0.00% | +326+135.8% | Added |
| Steward Partners Investment Advisory, LLC | 528 | $38.6K | 0.00% | 00.0% | Unchanged |
| Bayforest Capital Ltd | 451 | $33.0K | 0.03% | −3,113−87.3% | Reduced |
| Pacer Advisors, Inc. | 444 | $32.0K | 0.00% | +444 | New |
| State of Wyoming | 346 | $25.3K | 0.00% | +346 | New |
| GAMMA Investing LLC | 292 | $21.4K | 0.00% | +24+9.0% | Added |
| Kemnay Advisory Services Inc. | 269 | $19.7K | 0.00% | +23+9.3% | Added |
| Advisor Group Holdings, Inc. | 268 | $19.6K | 0.00% | −7−2.5% | Reduced |
| Toronto Dominion Bank | 198 | $14.5K | 0.00% | +198 | New |
| J.Safra Asset Management Corp | 161 | $11.8K | 0.00% | −33−17.0% | Reduced |
| Larson Financial Group LLC | 123 | $9.00K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 99 | $7.24K | 0.00% | −79−44.4% | Reduced |
| Smartleaf Asset Management LLC | 92 | $6.85K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 86 | $6.29K | 0.00% | +86 | New |
| CoreCap Advisors, LLC | 78 | $5.71K | 0.00% | +78 | New |
| Optiver Holding B.V. | 65 | $4.75K | 0.00% | −17−20.7% | Reduced |
| Farther Finance Advisors, LLC | 47 | $3.44K | 0.00% | +3+6.8% | Added |
| First Horizon Corp | 36 | $2.63K | 0.00% | +6+20.0% | Added |
| Rothschild Investment LLC | 32 | $2.34K | 0.00% | −9−22.0% | Reduced |
| Versant Capital Management, Inc | 30 | $2.19K | 0.00% | +11+57.9% | Added |
| Silver Grove Financial Group, Inc. | 26 | $1.90K | 0.00% | +26 | New |
| Fifth Third Bancorp | 25 | $1.84K | 0.00% | −4−13.8% | Reduced |
| Parkside Financial Bank & Trust | 20 | $1.46K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 18 | $1.32K | 0.00% | +18 | New |
| JPL Wealth Management, LLC | 17 | $1.24K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 17 | $1.24K | 0.00% | −54−76.1% | Reduced |
| Covestor Ltd | 7 | $1.00K | 0.00% | +5+250.0% | Added |