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

Insider buying vs selling

Have Disc Medicine Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
John D. QuiselChief Executive Officer2025-09-0910,000$1.01
$10.10kBuy
Kevin BittermanDirector2025-08-222,287$61.03
$139.58kSell
Kevin BittermanDirector2025-08-147,212$60.99
$439.86kSell
Kevin BittermanDirector2025-08-1324,962$61.15
$1.53MSell
Kevin BittermanDirector2025-08-05395$60.95
$24.08kSell
Kevin BittermanDirector2025-07-308,492$61.04
$518.35kSell
Kevin BittermanDirector2025-07-2413,033$61.17
$797.23kSell
Kevin BittermanDirector2025-07-2329,837$60.97
$1.82MSell
Kevin BittermanDirector2025-07-18664$61.13
$40.59kSell
Jean M. FranchiChief Financial Officer2025-07-172,031$59.00
$119.83kSell

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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 Leonard29.48%10,247,500$613.01MInsider
Ai DMI LLC10.24%3,558,426$212.87MInsider
Fmr LLC9.34%3,245,710$194.16MInstitution
Atlas Venture Life Science Advisors LLC6.86%2,384,456$142.64MInstitution
Blackrock Inc5.88%2,044,827$122.32MInstitution
Jean George4.77%1,658,198$99.19MInsider
Lsv Associates LLC4.77%1,658,198$99.19MInsider
Frazier Life Sciences Management LP4.76%1,654,834$98.99MInstitution
Atlas Venture Fund X LP4.60%1,600,512$95.74MInsider
Ra Capital Management LP4.54%1,577,106$94.34MInstitution

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IRON vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
IRON56.99%43.01%Net SellingNet Selling
TARS73.87%26.13%Net SellingNet Selling
BEAM85.71%14.29%Net SellingNet Selling
DNLI60.84%39.16%Net SellingNet Buying
ARQT76.78%23.22%Net SellingNet Selling

Disc Medicine Stock Ownership FAQ

Who owns Disc Medicine?

Disc Medicine (NASDAQ: IRON) is owned by 98.00% institutional shareholders, 73.95% Disc Medicine insiders, and 0.00% retail investors. Braden Michael Leonard is the largest individual Disc Medicine shareholder, owning 10.25M shares representing 29.48% of the company. Braden Michael Leonard's Disc Medicine shares are currently valued at $613.01M.

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