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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.

Q3 2021 vs. Q2 2021

How the institutions holding Disc Medicine, Inc. changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of IRON: Q2 2021 compared with Q3 2021
MeasureQ2 2021Q3 2021Change
Holders5562+7
Shares25.5M25.6M+62.3K (+0.2%)
Value$165.3M$103.5M−$61.8M (−37.4%)

New holders (10)

Institutions that held Disc Medicine, Inc. at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to IRON in Q3 2021
InstitutionSharesValue% of portfolio
Pura Vida Investments, LLC494,400$2.00M0.15%
Asymmetry Capital Management, L.P.284,079$1.15M0.69%
Bridgeway Capital Management, LLC165,000$667.0K0.01%
Atom Investors LP102,792$415.0K0.08%
HRT Financial LP41,552$167.0K0.00%
Stifel Financial Corp36,200$146.0K0.00%
Parametric Portfolio Associates LLC22,206$90.0K0.00%
Walleye Capital LLC18,149$73.0K0.00%
AQR Capital Management LLC12,654$51.0K0.00%
SG Americas Securities, LLC12,246$49.0K0.00%

Sold out (3)

Institutions that held Disc Medicine, Inc. at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of IRON in Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Wellington Management Group LLP700,000$4.53M
Caption Management, LLC86,800$562.0K
ExodusPoint Capital Management, LP16,300$105.0K