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Disc Medicine (IRON) Institutional Ownership

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$79.85 -0.20 (-0.24%)
As of 12:58 PM 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)
123
Total
Institutional Inflows
(last 12 months)
$1.23B
Number of
Institutional Sellers
(last 12 months)
43
Total
Institutional Outflows
(last 12 months)
$309.58M
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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
8/24/2026 California State Teachers Retirement System2,878,790$210.56M0.0%+8,273.0%7.499%
8/21/2026 AXQ Capital LP6,035$441K0.0%N/A0.016%
8/21/2026 Nykredit A S1,411$103K0.0%N/A0.004%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC114,109$8.35M0.0%+2.9%2.975%
8/19/2026 Wellington Management Group LLP1,741,351$127.36M0.0%+0.3%45.407%
8/18/2026 Palo Alto Investors LP416,646$30.47M0.0%N/A10.878%
8/17/2026 Capstone Investment Advisors LLC3,355$245K0.0%N/A0.088%
8/17/2026 Bank of America Corp DE135,111$9.88M0.0%N/A3.528%
8/15/2026 Man Group plc14,925$1.09M0.0%N/A0.390%
8/15/2026 Jupiter Topco LLC11,555$844K0.0%N/A0.302%
8/14/2026 Legal & General Group Plc18,458$1.35M0.0%N/A0.482%
8/14/2026 The Manufacturers Life Insurance Company27,771$2.03M0.0%N/A0.725%
8/14/2026 Algert 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%
6/4/2026 Seven Fleet Capital Management LP3,231$207K0.1%N/A0.008%
5/19/2026 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 Company32,493$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%
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%
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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%
2/18/2026Janus 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%
2/17/2026 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%
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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%


IRON Institutional Ownership - Frequently Asked Questions

During the previous two years, 198 institutional investors and hedge funds held shares of Disc Medicine. The most heavily invested institutionals were California State Teachers Retirement System ($210.56M), BlackRock Inc. ($180.50M), RA Capital Management L.P. ($156.93M), Vanguard Group Inc. ($140.37M), Price T Rowe Associates Inc. MD ($134.84M), Wellington Management Group LLP ($127.36M), and JPMorgan Chase & Co. ($125.56M).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 170 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: California State Teachers Retirement System ($2.86M), 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 ($1.15M), and JPMorgan Chase & Co. ($959.55K).

Institutional investors have bought a total of 16,513,186 shares in the last 24 months. This purchase volume represents approximately $1.23B in transactions.

Of the 43 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), Janus Henderson Group PLC ($350.15K), Orbimed Advisors LLC ($347.47K), First Turn Management LLC ($244.49K), JPMorgan Chase & Co. ($181.47K), and Frazier Life Sciences Management L.P. ($178.53K).

Institutional investors have sold a total of 4,195,238 shares in the last 24 months. This volume of shares sold represents approximately $309.58M 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 8/24/2026. New 13F filings are added each quarter as they're published.
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