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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, Q4 2023

Institutional positions in Disc Medicine, Inc. as of Dec 31, 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
112
+22 vs. Q3 2023
Shares held
20.2M
+342.3K (+1.7%) vs. Q3 2023
Total value
$1.17B
+$233.8M (+25.1%) vs. Q3 2023
New holders
32
41 more added
Sold out
10
28 more reduced

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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.

Institutional holdersQ4 2023: 112 institutions
Q1 2021: 49 institutionsQ2 2021: 55 institutionsQ3 2021: 62 institutionsQ4 2021: 62 institutionsQ1 2022: 57 institutionsQ2 2022: 51 institutionsQ3 2022: 44 institutionsQ4 2022: 35 institutionsQ1 2023: 45 institutionsQ2 2023: 90 institutionsQ3 2023: 91 institutionsQ4 2023: 112 institutionsQ1 2024: 130 institutionsQ2 2024: 121 institutionsQ3 2024: 132 institutionsQ4 2024: 152 institutionsQ1 2025: 157 institutionsQ2 2025: 152 institutionsQ3 2025: 168 institutionsQ4 2025: 197 institutionsQ1 2026: 203 institutionsQ2 2026: 216 institutions
Value heldQ4 2023: $1.17B
Q1 2021: $346.6MQ2 2021: $165.3MQ3 2021: $103.5MQ4 2021: $93.8MQ1 2022: $39.6MQ2 2022: $43.8MQ3 2022: $43.9MQ4 2022: $215.8MQ1 2023: $309.6MQ2 2023: $848.7MQ3 2023: $934.0MQ4 2023: $1.17BQ1 2024: $1.38BQ2 2024: $1.24BQ3 2024: $1.35BQ4 2024: $1.68BQ1 2025: $1.65BQ2 2025: $1.80BQ3 2025: $2.26BQ4 2025: $3.04BQ1 2026: $2.67BQ2 2026: $3.13B
Institutions holding IRON and their total value by quarter
QuarterHoldersValue
Q2 2026216$3.13B
Q1 2026203$2.67B
Q4 2025197$3.04B
Q3 2025168$2.26B
Q2 2025152$1.80B
Q1 2025157$1.65B
Q4 2024152$1.68B
Q3 2024132$1.35B
Q2 2024121$1.24B
Q1 2024130$1.38B
Q4 2023112$1.17B
Q3 202391$934.0M
Q2 202390$848.7M
Q1 202345$309.6M
Q4 202235$215.8M
Q3 202244$43.9M
Q2 202251$43.8M
Q1 202257$39.6M
Q4 202162$93.8M
Q3 202162$103.5M
Q2 202155$165.3M
Q1 202149$346.6M

Institutions, Q4 2023

Shares, value and share of portfolio for each institution holding Disc Medicine, Inc.; share changes are against Q3 2023.

Institutions holding IRON in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Polar Capital Holdings Plc546,915$31.6M0.22%00.0%Unchanged
State Street Corp559,195$32.3M0.00%−108,106−16.2%Reduced
Price T Rowe Associates Inc590,831$34.1M0.00%+63,092+12.0%Added
Adage Capital Partners GP, L.L.C.750,000$43.3M0.09%−558,405−42.7%Reduced
Vanguard Group Inc764,544$44.2M0.00%+99,092+14.9%Added
Frazier Life Sciences Management, L.P.785,000$45.3M2.42%+130,000+19.8%Added
BlackRock Inc.868,440$50.2M0.00%+224,109+34.8%Added
Perceptive Advisors LLC1,023,045$59.1M1.32%+127,404+14.2%Added
Bain Capital Life Sciences Investors, LLC1,332,545$77.0M7.38%00.0%Unchanged
OrbiMed Advisors LLC1,702,237$98.3M1.97%−567,400−25.0%Reduced
Paradigm Biocapital Advisors LP2,385,857$137.8M6.46%+1,113,578+87.5%Added
Atlas Venture Life Science Advisors, LLC2,555,172$147.6M17.58%−190,163−6.9%Reduced
Novo Holdings A/S0$00.00%−1,090,772−100.0%Sold out
Sphera Funds Management Ltd.0$00.00%−111,398−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−86,000−100.0%Sold out
Trustees of Columbia University in the City of New York0$00.00%−78,682−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−74,164−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−25,330−100.0%Sold out
Trexquant Investment LP0$00.00%−12,534−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−232−100.0%Sold out
Ulland Investment Advisors, LLC0$00.00%−34−100.0%Sold out
Nisa Investment Advisors, LLC0$00.00%−9−100.0%Sold out
CHI Advisors LLC––––Not filed