Disc Medicine (IRON) Institutional Ownership $66.82 0.00 (0.00%) Closing price 05/22/2026 04:00 PM EasternExtended Trading$66.81 -0.01 (-0.01%) As of 05/22/2026 04:10 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Disc Medicine (NASDAQ:IRON)CurrentInstitutional OwnershipPercentage83.70%Number ofInstitutional Buyers(last 12 months)125TotalInstitutional Inflows(last 12 months)$840.30MNumber ofInstitutional Sellers(last 12 months)53TotalInstitutional Outflows(last 12 months)$334.45M Get IRON Insider Trade Alerts Want to know when executives and insiders are buying or selling Disc Medicine stock? 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Skip Chart & View Institutional Buying and Selling Data IRON Institutional Buying and Selling by Quarter Disc Medicine Major Shareholders & Ownership History ExportReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/19/2026 Bank of America Corp DE166,775$10.66M0.0%+22.6%0.437% 5/18/2026 California State Teachers Retirement System34,382$2.20M0.0%+47.8%0.090% 5/16/2026 The Manufacturers Life Insurance Company 32,493$2.08M0.0%-38.1%0.085% 5/16/2026 SummitTX Capital L.P.13,820$884K0.0%N/A0.036% 5/16/2026 Lazard Asset Management LLC39,400$2.52M0.0%-32.1%0.103% 5/15/2026 Octagon Capital Advisors LP270,000$17.26M1.9%N/A0.708% 5/15/2026 Entropy Technologies LP4,788$306K0.0%+9.9%0.013% 5/14/2026 Renaissance Technologies LLC31,820$2.04M0.0%-49.3%0.083% 5/14/2026 Inceptionr LLC6,489$415K0.1%N/A0.017% 5/14/2026 Sei Investments Co.15,510$992K0.0%N/A0.041% Get the Latest News and Ratings for IRON and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Disc Medicine and its competitors with MarketBeat's FREE daily newsletter. 5/7/2026 Dimensional Fund Advisors LP394,447$25.21M0.0%+76.4%1.034% 5/7/2026 AlphaCentric Advisors LLC3,972$254K0.3%+5.8%0.010% 5/6/2026 Jennison Associates LLC610,382$39.03M0.0%+14.7%1.600% 5/5/2026 Bank of New York Mellon Corp204,968$13.11M0.0%+202.7%0.537% 5/4/2026 Teachers Retirement System of The State of Kentucky18,993$1.21M0.0%+17.6%0.050% 4/24/2026 iA Global Asset Management Inc.66,243$4.24M0.1%-0.3%0.174% 4/22/2026 Pictet Asset Management Holding SA387,005$24.75M0.0%-1.9%1.014% 4/20/2026 Assenagon Asset Management S.A.546,247$34.93M0.1%+52.7%1.431% 4/16/2026 SG Americas Securities LLC11,226$718K0.0%-46.9%0.029% 2/19/2026 Invesco Ltd.61,070$4.85M0.0%+184.8%0.162% 2/18/2026 KVP Capital Advisors LP58,250$4.63M4.5%N/A0.154% 2/18/2026 XTX Topco Ltd23,094$1.83M0.0%N/A0.061% 2/18/2026 Zimmer Partners LP27,500$2.18M0.1%-69.5%0.073% 2/18/2026 VARCOV Co.5,327$423K0.2%N/A0.014% 2/18/2026 Vestal Point Capital LP735,000$58.37M2.0%+47.0%1.947% 2/18/2026 Virtus Investment Advisers LLC2,897$230K0.1%+34.2%0.008% 2/18/2026 Wellington Management Group LLP1,518,274$120.57M0.0%+7.7%4.022% 2/18/2026 Tudor Investment Corp ET AL66,125$5.25M0.0%N/A0.175% 2/18/2026 RTW Investments LP30,000$2.38M0.0%N/A0.079% 2/18/2026 Orbimed Advisors LLC1,067,550$84.77M1.8%-24.6%2.828% 2/18/2026 Opaleye Management Inc.200,000$15.88M2.1%+3.2%0.530% 2/18/2026 Perceptive Advisors LLC450,743$35.79M0.6%N/A1.194% 2/18/2026 Janus Henderson Group PLC11,555$918K0.0%-96.8%0.031% 2/18/2026 Engineers Gate Manager LP5,460$434K0.0%N/A0.014% 2/18/2026 Catalio Capital Management LP110,427$8.77M1.6%-49.0%0.293% 2/18/2026 Balyasny Asset Management L.P.221,761$17.61M0.0%-34.4%0.587% 2/18/2026 BVF Inc. IL650,000$51.62M1.7%N/A1.722% 2/18/2026 Armistice Capital LLC499,391$39.66M0.5%+14.5%1.323% 2/17/2026 Logos Global Management LP510,000$40.50M2.4%+13.3%1.351% 2/17/2026 Burkehill Global Management LP50,000$3.97M0.3%N/A0.132% Before you buy SpaceX shares, consider this alternative approach (Ad)SpaceX has confidentially filed for an IPO with the SEC, targeting a June 2026 listing at a valuation exceeding $1.75 trillion - potentially the largest IPO in history. But one expert says buying shares directly may not be the smartest move. There is a lesser-known way to tap into this windfall that most investors haven't considered.Discover the overlooked SpaceX IPO strategy before the June listing2/17/2026 Abel Hall LLC4,443$353K0.1%N/A0.012% 2/17/2026 Lazard Asset Management LLC58,053$4.61M0.0%N/A0.154% 2/17/2026 Jain Global LLC7,319$581K0.0%N/A0.019% 2/17/2026 First Light Asset Management LLC523,167$41.55M3.2%+126.3%1.386% 2/17/2026 RA Capital Management L.P.1,976,132$156.93M1.6%+25.3%5.235% 2/17/2026 Price T Rowe Associates Inc. MD1,698,005$134.84M0.0%+28.0%4.498% 2/17/2026 Ghisallo Capital Management LLC10,000$794K0.0%N/A0.026% 2/17/2026 California State Teachers Retirement System23,256$1.85M0.0%+5.3%0.062% 2/17/2026 Russell Investments Group Ltd.23,683$1.88M0.0%+871.4%0.063% 2/17/2026 State of Wisconsin Investment Board17,106$1.36M0.0%+38.3%0.045% 2/17/2026 Fred Alger Management LLC12,267$974K0.0%-10.6%0.032% 2/17/2026 ExodusPoint Capital Management LP58,211$4.62M0.0%N/A0.154% 2/17/2026 Royal Bank of Canada802$64K0.0%-95.2%0.002% 2/17/2026 Persistent Asset Partners Ltd1,780$141K0.1%N/A0.005% 2/16/2026 Squarepoint Ops LLC15,754$1.25M0.0%+193.0%0.042% 2/16/2026 Sofinnova Investments Inc.111,010$8.82M0.4%+719.1%0.294% 2/16/2026 Verition Fund Management LLC63,535$5.05M0.0%+936.0%0.168% 2/16/2026 NEXTBio Capital Management LP42,778$3.40M2.0%N/A0.113% 2/16/2026 Nicholas Investment Partners LP48,082$3.82M0.3%-45.4%0.127% 2/16/2026 First Turn Management LLC153,206$12.17M1.4%-61.5%0.406% 2/16/2026 Frazier Life Sciences Management L.P.1,260,000$100.06M2.7%-12.4%3.338% 2/16/2026 Kennedy Capital Management LLC9,324$740K0.0%+3.3%0.025% 2/16/2026 Eventide Asset Management LLC395,392$31.40M0.5%+28.4%1.047% 2/16/2026 Entropy Technologies LP4,357$346K0.0%N/A0.012% 2/16/2026 Barclays PLC99,612$7.91M0.0%-7.1%0.264% 2/13/2026 Nantahala Capital Management LLC132,800$10.55M0.3%-53.9%0.352% 2/13/2026 FORA Capital LLC6,735$544K0.1%N/A0.018% 2/13/2026 Marshall Wace LLP4,642$369K0.0%-66.8%0.012% 2/13/2026 The Manufacturers Life Insurance Company 52,510$4.07M0.0%+10.4%0.139% 2/13/2026 Schroder Investment Management Group50,103$3.85M0.0%-25.4%0.133% 2/13/2026 Rafferty Asset Management LLC36,093$2.87M0.0%-3.2%0.096% 2/13/2026 Alyeska Investment Group L.P.50,000$3.97M0.0%N/A0.132% 2/13/2026 Siren L.L.C.988,401$78.49M2.3%+8.2%2.618% 2/13/2026 Charles Schwab Investment Management Inc.247,039$19.62M0.0%+9.0%0.654% 2/13/2026 Police & Firemen s Retirement System of New Jersey6,716$533K0.0%+3.3%0.018% 2/13/2026 State Street Corp1,187,991$94.34M0.0%+13.6%3.147% 2/13/2026 Saxon Interests Inc.2,576$205K0.1%N/A0.007% 2/13/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC114,351$9.08M0.0%+25.1%0.303% 2/13/2026 Wells Fargo & Company MN33,265$2.64M0.0%+23.0%0.088% 2/13/2026 Atlas Venture Life Science Advisors LLC1,513,875$120.22M13.9%-29.3%4.010% 2/12/2026 State Board of Administration of Florida Retirement System8,704$691K0.0%-4.7%0.023% 2/12/2026 Renaissance Technologies LLC62,820$4.99M0.0%+823.8%0.166% 2/12/2026 Dimensional Fund Advisors LP223,575$17.75M0.0%-3.0%0.592% 2/12/2026 AlphaCentric Advisors LLC3,756$298K0.3%N/A0.010% 2/12/2026 New York State Common Retirement Fund13,985$1.11M0.0%-34.9%0.037% 2/12/2026 Campbell & CO Investment Adviser LLC17,399$1.38M0.1%+228.9%0.046% 2/12/2026 Bank of Montreal Can24,826$1.97M0.0%+39.6%0.066% 2/12/2026 Loomis Sayles & Co. L P282,409$22.43M0.0%N/A0.748% 2/12/2026 Alps Advisors Inc.31,002$2.46M0.0%+84.6%0.082% 2/12/2026 Swiss National Bank48,000$3.81M0.0%+10.1%0.127% Louis Navellier: My #1 AI stock for 2026 (name & ticker inside) (Ad)Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top S&P 500 stock for 12 years running—and today, he's giving away his #1 AI stock pick for 2026, free. This company's sales are up 28% year over year, it holds over 30,000 patents in wireless and video technology, and it just earned an A-rating in his proprietary Stock Grader system that has cost him $9 million to build and maintain.Get the name and ticker of Louis Navellier's #1 AI stock free2/12/2026 Nuveen LLC48,471$3.85M0.0%+1.6%0.128% 2/11/2026 Deutsche Bank AG20,523$1.63M0.0%+8.7%0.054% 2/11/2026 JPMorgan Chase & Co.1,581,127$125.56M0.0%+110.0%4.188% 2/11/2026 Los Angeles Capital Management LLC6,494$557K0.0%N/A0.017% 2/10/2026 TD Asset Management Inc69,634$5.53M0.0%+17.5%0.184% 2/10/2026 Goldman Sachs Group Inc.754,195$59.89M0.0%+42.5%1.998% 2/10/2026 BNP Paribas Financial Markets122,153$9.70M0.0%+224.8%0.324% 2/10/2026 Intech Investment Management LLC9,910$787K0.0%+23.8%0.026% 2/10/2026 Seven Grand Managers LLC35,000$2.78M0.2%N/A0.093% 2/9/2026 Geode Capital Management LLC684,958$54.40M0.0%+9.0%1.814% IRON Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of IRON shares? During the previous two years, 187 institutional investors and hedge funds held shares of Disc Medicine. The most heavily invested institutionals were RA Capital Management L.P. ($156.93M), Vanguard Group Inc. ($140.37M), Price T Rowe Associates Inc. MD ($134.84M), JPMorgan Chase & Co. ($125.56M), Wellington Management Group LLP ($120.57M), Atlas Venture Life Science Advisors LLC ($120.22M), and FMR LLC ($118.32M).Learn more on Disc Medicine's institutional investors. What percentage of Disc Medicine's stock is owned by institutional investors? 83.70% of Disc Medicine's stock is owned by institutional investors. Learn more on IRON's institutional investor holdings. Which institutional investors have been buying Disc Medicine's stock? Of the 166 institutional investors that purchased Disc Medicine's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: RA Capital Management L.P. ($1.98M), FMR LLC ($1.46M), Siren L.L.C. ($1.15M), Wellington Management Group LLP ($1.14M), Logos Global Management LP ($985K), Frazier Life Sciences Management L.P. ($969.83K), and JPMorgan Chase & Co. ($959.55K). How much institutional buying is happening at Disc Medicine? Institutional investors have bought a total of 11,526,323 shares in the last 24 months. This purchase volume represents approximately $840.30M in transactions. Which of Disc Medicine's major shareholders have been selling company stock? Of the 53 institutional investors that sold Disc Medicine's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Paradigm Biocapital Advisors LP ($963.26K), Atlas Venture Life Science Advisors LLC ($870.58K), Bain Capital Life Sciences Investors LLC ($400K), Janus Henderson Group PLC ($350.15K), Orbimed Advisors LLC ($347.47K), Frazier Life Sciences Management L.P. ($278.53K), and First Turn Management LLC ($244.49K). How much institutional selling is happening at Disc Medicine? Institutional investors have sold a total of 4,729,250 shares in the last 24 months. This volume of shares sold represents approximately $334.45M in transactions. Related Companies Cytokinetics Major Shareholders Abivax Major Shareholders Praxis Precision Medicines Major Shareholders Krystal Biotech Major Shareholders ImmunityBio Major Shareholders Nuvalent Major Shareholders Qiagen Major Shareholders Vaxcyte Major Shareholders Kymera Therapeutics Major Shareholders Protagonist Therapeutics Major Shareholders This page (NASDAQ:IRON) was last updated on 5/25/2026 by MarketBeat.com Staff. 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