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NASDAQ: IRON
Disc Medicine Inc Stock Ownership - Who owns Disc Medicine?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Disc Medicine Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
John D. QuiselCEO2026-07-139,704$74.27
$720.75kSell
John D. QuiselCEO2026-07-1316,896$74.95
$1.27MSell
John D. QuiselCEO2026-07-136,400$76.05
$486.73kSell
John D. QuiselCEO2026-07-1325,584$9.86
$252.26kBuy
John D. QuiselCEO2026-07-137,416$13.50
$100.12kBuy
Jonathan Yenwen YuChief Operating Officer2026-07-07100$13.50
$1.35kBuy
Jonathan Yenwen YuChief Operating Officer2026-07-07100$82.50
$8.25kSell
Rahul KharaChief Legal Officer2026-06-291,649$75.00
$123.68kSell
Rahul KharaChief Legal Officer2026-06-291,649$14.69
$24.22kBuy
Rahul KharaChief Legal Officer2026-06-26851$14.69
$12.50kBuy

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Net Insider Buy/Sell (L12M) Ownership

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IRON Shareholders

What type of owners hold Disc Medicine Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Braden Michael Leonard26.69%10,247,500$789.06MInsider
Fmr LLC14.55%5,586,894$430.19MInstitution
Ai DMI LLC7.33%2,814,379$216.71MInsider
Ra Capital Management LP6.38%2,450,221$188.67MInstitution
Blackrock Inc5.92%2,273,831$175.08MInstitution
Wellington Management Group LLP4.52%1,735,376$133.62MInstitution
State Street Corp4.42%1,698,244$130.76MInstitution
Lsv Associates LLC4.32%1,658,198$127.68MInsider
Jean George4.32%1,658,198$127.68MInsider
Atlas Venture Fund X LP4.17%1,600,512$123.24MInsider

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IRON vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
IRON62.62%37.38%Net SellingNet Buying
CLDX85.13%14.87%Net Buying
QURE86.02%10.00%Net SellingNet Selling
IDYA92.57%7.43%Net BuyingNet Buying
MBX46.52%53.48%Net BuyingNet Selling
View Top Biotech Stocks

Disc Medicine Stock Ownership FAQ

Who owns Disc Medicine?

Disc Medicine (NASDAQ: IRON) is owned by 109.13% institutional shareholders, 65.15% Disc Medicine insiders, and 0.00% retail investors. Braden Michael Leonard is the largest individual Disc Medicine shareholder, owning 10.25M shares representing 26.69% of the company. Braden Michael Leonard's Disc Medicine shares are currently valued at $789.06M.

If you're new to stock investing, here's how to buy Disc Medicine stock.
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