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Disc Medicine (IRON) Institutional Ownership

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$78.80 -1.21 (-1.51%)
As of 10:43 AM Eastern
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Institutional Ownership Changes (13F Filings) for Disc Medicine (NASDAQ:IRON)

Current
Institutional Ownership
Percentage
83.70%
Number of
Institutional Buyers
(last 12 months)
124
Total
Institutional Inflows
(last 12 months)
$1.00B
Number of
Institutional Sellers
(last 12 months)
48
Total
Institutional Outflows
(last 12 months)
$336.51M
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IRON Institutional Buying and Selling by Quarter

Disc Medicine Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/14/2026Algert Global LLC51,850$3.79M0.0%+128.6%1.354%
8/12/2026 Quantbot Technologies LP2,090$153K0.0%N/A0.005%
8/11/2026 Allworth Financial LP633$46K0.0%N/A0.002%
8/11/2026 E Fund Management Co. Ltd.3,746$274K0.0%N/A0.010%
8/7/2026 BlackRock Inc.2,467,899$180.50M0.0%N/A6.467%
8/7/2026 Deutsche Bank AG30,643$2.24M0.0%N/A0.080%
8/6/2026 Bank of New York Mellon Corp204,727$14.97M0.0%N/A0.536%
8/6/2026 State of Wyoming346$25K0.0%N/A0.001%
8/6/2026 GSA Capital Partners LLP16,324$1.19M0.1%N/A0.043%
7/10/2026 Handelsbanken Fonder AB12,700$929K0.0%N/A0.033%
7/8/2026 Assenagon Asset Management S.A.384,158$28.10M0.0%-29.7%1.007%
6/4/2026Seven Fleet Capital Management LP3,231$207K0.1%N/A0.008%
5/19/2026Bank of America Corp DE166,775$10.66M0.0%+22.6%0.437%
5/18/2026California State Teachers Retirement System34,382$2.20M0.0%+47.8%0.090%
5/16/2026The Manufacturers Life Insurance Company32,493$2.08M0.0%-38.1%0.085%
5/16/2026SummitTX Capital L.P.13,820$884K0.0%N/A0.036%
5/16/2026Lazard Asset Management LLC39,400$2.52M0.0%-32.1%0.103%
5/15/2026Octagon Capital Advisors LP270,000$17.26M1.9%N/A0.708%
5/15/2026Entropy Technologies LP4,788$306K0.0%+9.9%0.013%
5/14/2026Renaissance Technologies LLC31,820$2.04M0.0%-49.3%0.083%
5/14/2026 Inceptionr LLC6,489$415K0.1%N/A0.017%
5/14/2026Sei Investments Co.15,510$992K0.0%N/A0.041%
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%
2/19/2026Invesco Ltd.61,070$4.85M0.0%+184.8%0.162%
2/18/2026KVP Capital Advisors LP58,250$4.63M4.5%N/A0.154%
2/18/2026XTX Topco Ltd23,094$1.83M0.0%N/A0.061%
2/18/2026Zimmer Partners LP27,500$2.18M0.1%-69.5%0.073%
2/18/2026VARCOV Co.5,327$423K0.2%N/A0.014%
2/18/2026Vestal 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%
2/18/2026Wellington Management Group LLP1,518,274$120.57M0.0%+7.7%4.022%
2/18/2026Tudor Investment Corp ET AL66,125$5.25M0.0%N/A0.175%
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2/18/2026RTW Investments LP30,000$2.38M0.0%N/A0.079%
2/18/2026Orbimed Advisors LLC1,067,550$84.77M1.8%-24.6%2.828%
2/18/2026Opaleye Management Inc.200,000$15.88M2.1%+3.2%0.530%
2/18/2026Perceptive Advisors LLC450,743$35.79M0.6%N/A1.194%
2/18/2026Janus Henderson Group PLC11,555$918K0.0%-96.8%0.031%
2/18/2026Engineers Gate Manager LP5,460$434K0.0%N/A0.014%
2/18/2026Catalio Capital Management LP110,427$8.77M1.6%-49.0%0.293%
2/18/2026Balyasny Asset Management L.P.221,761$17.61M0.0%-34.4%0.587%
2/18/2026BVF Inc. IL650,000$51.62M1.7%N/A1.722%
2/18/2026Armistice Capital LLC499,391$39.66M0.5%+14.5%1.323%
2/17/2026Logos Global Management LP510,000$40.50M2.4%+13.3%1.351%
2/17/2026Burkehill Global Management LP50,000$3.97M0.3%N/A0.132%
2/17/2026 Abel Hall LLC4,443$353K0.1%N/A0.012%
2/17/2026Lazard Asset Management LLC58,053$4.61M0.0%N/A0.154%
2/17/2026Jain Global LLC7,319$581K0.0%N/A0.019%
2/17/2026First Light Asset Management LLC523,167$41.55M3.2%+126.3%1.386%
2/17/2026RA Capital Management L.P.1,976,132$156.93M1.6%+25.3%5.235%
2/17/2026Price T Rowe Associates Inc. MD1,698,005$134.84M0.0%+28.0%4.498%
2/17/2026Ghisallo Capital Management LLC10,000$794K0.0%N/A0.026%
2/17/2026California 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%
2/17/2026State of Wisconsin Investment Board17,106$1.36M0.0%+38.3%0.045%
2/17/2026Fred Alger Management LLC12,267$974K0.0%-10.6%0.032%
2/17/2026ExodusPoint Capital Management LP58,211$4.62M0.0%N/A0.154%
2/17/2026Royal Bank of Canada802$64K0.0%-95.2%0.002%
2/17/2026 Persistent Asset Partners Ltd1,780$141K0.1%N/A0.005%
2/16/2026Squarepoint Ops LLC15,754$1.25M0.0%+193.0%0.042%
2/16/2026Sofinnova Investments Inc.111,010$8.82M0.4%+719.1%0.294%
2/16/2026Verition Fund Management LLC63,535$5.05M0.0%+936.0%0.168%
2/16/2026NEXTBio Capital Management LP42,778$3.40M2.0%N/A0.113%
2/16/2026Nicholas Investment Partners LP48,082$3.82M0.3%-45.4%0.127%
2/16/2026First Turn Management LLC153,206$12.17M1.4%-61.5%0.406%
2/16/2026Frazier Life Sciences Management L.P.1,260,000$100.06M2.7%-12.4%3.338%
2/16/2026Kennedy Capital Management LLC9,324$740K0.0%+3.3%0.025%
2/16/2026Eventide Asset Management LLC395,392$31.40M0.5%+28.4%1.047%
2/16/2026Entropy Technologies LP4,357$346K0.0%N/A0.012%
2/16/2026Barclays PLC99,612$7.91M0.0%-7.1%0.264%
2/13/2026Nantahala Capital Management LLC132,800$10.55M0.3%-53.9%0.352%
2/13/2026FORA Capital LLC6,735$544K0.1%N/A0.018%
2/13/2026Marshall Wace LLP4,642$369K0.0%-66.8%0.012%
2/13/2026The Manufacturers Life Insurance Company 52,510$4.07M0.0%+10.4%0.139%
2/13/2026Schroder Investment Management Group50,103$3.85M0.0%-25.4%0.133%
2/13/2026Rafferty Asset Management LLC36,093$2.87M0.0%-3.2%0.096%
2/13/2026Alyeska Investment Group L.P.50,000$3.97M0.0%N/A0.132%
2/13/2026Siren L.L.C.988,401$78.49M2.3%+8.2%2.618%
2/13/2026Charles 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%
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC114,351$9.08M0.0%+25.1%0.303%
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2/13/2026Wells Fargo & Company MN33,265$2.64M0.0%+23.0%0.088%
2/13/2026Atlas 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%
2/12/2026Renaissance 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%
2/12/2026Loomis Sayles & Co. L P282,409$22.43M0.0%N/A0.748%


IRON Institutional Ownership - Frequently Asked Questions

During the previous two years, 193 institutional investors and hedge funds held shares of Disc Medicine. The most heavily invested institutionals were BlackRock Inc. ($180.50M), 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), and Atlas Venture Life Science Advisors LLC ($120.22M).Learn more on Disc Medicine's institutional investors.

83.70% of Disc Medicine's stock is owned by institutional investors. Learn more on IRON's institutional investor holdings.

Of the 171 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: BlackRock Inc. ($2.47M), 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), and Frazier Life Sciences Management L.P. ($969.83K).

Institutional investors have bought a total of 13,573,728 shares in the last 24 months. This purchase volume represents approximately $1.00B in transactions.

Of the 47 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).

Institutional investors have sold a total of 4,703,846 shares in the last 24 months. This volume of shares sold represents approximately $336.51M in transactions.


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Institutional ownership data for NASDAQ:IRON is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/14/2026. New 13F filings are added each quarter as they're published.
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