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Disc Medicine Ownership | Who Owns Disc Medicine?

OverviewForecastRevenueFinancialsChart

Disc Medicine Ownership Summary

Disc Medicine is owned by 9.10% institutional investors, 7.82% insiders, and 83.07% retail investors. Fmr is the largest institutional shareholder, holding 14.09% of IRON shares.

IRON Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockDisc Medicine9.10%7.82%83.07%
SectorHealthcare Stocks 42.54%10.83%46.63%
IndustryBiotech Stocks 45.22%10.75%44.04%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Fmr4.94M14.09%$326.12M
Atlas venture life science advisors2.14M6.12%$141.58M
Blackrock funding, inc. /de2.02M5.77%$133.43M
Ra capital management1.58M4.50%$104.22M
Vanguard group1.45M4.13%$95.69M
Frazier life sciences management1.44M4.11%$95.06M
Orbimed advisors1.42M4.04%$93.50M
Wellington management group llp1.41M4.03%$93.18M
Price t rowe associates inc /md/1.33M3.79%$87.65M
State street1.05M2.99%$69.09M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Atlas venture life science advisors2.14M18.81%$141.58M
Foresite capital management v299.07K18.17%$19.76M
Checkpoint capital430.00K9.52%$28.41M
Saturn v capital management340.90K4.94%$22.53M
Sio capital management284.79K4.76%$18.82M
Lion point capital, lp10.60K3.98%$700.45K
First turn management397.69K3.95%$26.28M
Frazier life sciences management1.44M2.85%$95.06M
Palo alto investors lp224.30K2.74%$14.82M
Logos global management lp450.00K2.67%$29.74M

Top Buyers

HolderShares% AssetsChange
Fmr4.94M0.02%1.69M
Vestal point capital, lp500.00K1.49%360.00K
Goldman sachs group529.08K0.00%303.23K
First light asset management231.19K1.44%231.19K
Catalio capital management, lp216.53K2.65%185.87K

Top Sellers

HolderShares% AssetsChange
Paradigm biocapital advisors lp247.72K0.47%-963.25K
Bain capital life sciences investors---583.50K
Bioimpact capital---346.40K
Logos global management lp450.00K2.67%-250.00K
Atlas venture life science advisors2.14M18.81%-241.84K

New Positions

HolderShares% AssetsChangeValue
First light asset management231.19K1.44%231.19K$15.28M
Timessquare capital management182.17K0.17%182.17K$12.04M
Hudson bay capital management lp102.19K0.02%102.19K$6.75M
American century companies27.94K0.00%27.94K$1.85M
Jane street group21.27K0.00%21.27K$1.41B

Sold Out

HolderChange
Ifp advisors-1.00
Parallel advisors-4.00
Amundi-5.00
Corecap advisors-9.00
Stephens consulting-10.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Sep 30, 202551-66.45%3,188,170-90.64%90.10%26-73.20%13-63.89%
Jun 30, 2025151-4.43%34,062,46112.23%971.17%96-4.00%3616.13%
Mar 31, 20251591.27%33,141,25924.71%991.26%10013.64%32-27.27%
Dec 31, 202415716.30%26,575,703-2.98%881.06%884.76%4469.23%
Sep 30, 20241359.76%27,392,464-0.67%910.79%841.20%26-13.33%

Recent Insider Transactions

DateNameRoleActivityValue
Dec 12, 2025Bitterman Kevin-Sell$323.23K
Dec 15, 2025Bitterman Kevin-Sell$2.64M
Dec 12, 2025Bitterman Kevin-Sell$1.51M
Dec 12, 2025Bitterman Kevin-Sell$356.62K
Dec 15, 2025Bitterman Kevin-Sell$360.77K

Insider Transactions Trends

DateBuySell
2025 Q4-55
2025 Q3-12
2025 Q2-4
2025 Q1-65
2024 Q4-26

IRON Ownership FAQ

Who Owns Disc Medicine?

Disc Medicine shareholders are primarily institutional investors at 9.10%, followed by 7.82% insiders and 83.08% retail investors. The average institutional ownership in Disc Medicine's industry, Biotech Stocks , is 45.22%, which Disc Medicine falls below.

Who owns the most shares of Disc Medicine?

Disc Medicine’s largest shareholders are Fmr (4.94M shares, 14.09%), Atlas venture life science advisors (2.14M shares, 6.12%), and Blackrock funding, inc. /de (2.02M shares, 5.77%). Together, they hold 25.97% of Disc Medicine’s total shares outstanding.

Does Blackrock own Disc Medicine?

BlackRock is not among the top 10 institutional shareholders of Disc Medicine.

Who is Disc Medicine’s biggest shareholder by percentage of total assets invested?

Atlas venture life science advisors is Disc Medicine’s biggest shareholder by percentage of total assets invested, with 18.81% of its assets in 2.14M Disc Medicine shares, valued at 141.58M$.

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