DISC MEDICINE INC (IRON) Institutional Ownership Changes & 13F Activity

DISC MEDICINE INC (IRON). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Vestal Point Capital, Lp, Orbimed Advisors Llc, Goldman Sachs Group Inc, Opaleye Management Inc., and Price T Rowe Associates Inc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Manufacturers Life Insurance Company, TheSell-4,722-14.5%27,771$2.03MQ2 2026Sep 09, 2026
Citadel Advisors LlcBuy+111,378+113.7%209,308$15.31MQ2 2026Sep 02, 2026
California State Teachers Retirement SystemBuy+4,978+14.5%39,360$2.88MQ2 2026Aug 24, 2026
Assenagon Asset Management S.A.Sell-162,089-29.7%384,158$28.10MQ2 2026Aug 21, 2026
Palo Alto Investors LpBuy+14,927+3.7%416,646$30.47MQ2 2026Aug 19, 2026
Capstone Investment Advisors, LlcSell-2,910-46.4%3,355$245.38KQ2 2026Aug 17, 2026
Vestal Point Capital, LpBuy+850,000+121.4%1,550,000$113.37MQ2 2026Aug 14, 2026
Orbimed Advisors LlcSell-710,015-66.5%357,535$26.15MQ2 2026Aug 14, 2026
Goldman Sachs Group IncSell-542,459-84.8%97,383$7.12MQ2 2026Aug 14, 2026
Opaleye Management Inc.Buy+434,000+103.1%855,000$62.53MQ2 2026Aug 14, 2026
Price T Rowe Associates IncBuy+326,049+21.0%1,875,399$137.17MQ2 2026Aug 14, 2026
Logos Global Management LpBuy+315,000+56.3%875,000$64.00MQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+136,750136,750$10.00MQ2 2026Aug 14, 2026
Bvf Inc/IlSell-118,700-9.3%1,153,612$84.38MQ2 2026Aug 14, 2026
Trexquant Investment LpBuy+107,699107,699$7.88MQ2 2026Aug 14, 2026
Bellevue Group AgBuy+100,686+21.9%560,000$40.96MQ2 2026Aug 14, 2026
Hrt Financial LpBuy+90,82290,822$6.64MQ2 2026Aug 14, 2026
Armistice Capital, LlcSell-76,000-14.2%460,000$33.64MQ2 2026Aug 14, 2026
Saturn V Capital Management LpBuy+74,804+16.6%524,730$38.38MQ2 2026Aug 14, 2026
Ensign Peak Advisors, IncSell-69,376-36.2%122,111$8.93MQ2 2026Aug 14, 2026
Sofinnova Investments, Inc.Buy+67,919+86.7%146,239$10.70MQ2 2026Aug 14, 2026
Loomis Sayles & Co L PBuy+64,642+20.4%381,864$27.93MQ2 2026Aug 14, 2026
Exoduspoint Capital Management, LpBuy+51,62351,623$3.78MQ2 2026Aug 14, 2026
Checkpoint Capital L.P.Sell-46,536-16.2%240,125$17.56MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+45,87445,874$3.36MQ2 2026Aug 14, 2026
Squarepoint Ops LlcBuy+44,163+139.3%75,872$5.55MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+42,05742,057$3.08MQ2 2026Aug 14, 2026
Catalio Capital Management, LpBuy+36,406+29.6%159,384$11.66MQ2 2026Aug 14, 2026
Bank Of America CorpSell-31,664-19.0%135,111$9.88MQ2 2026Aug 14, 2026
Rafferty Asset Management, LlcSell-27,303-50.7%26,566$1.94MQ2 2026Aug 14, 2026
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Frequently asked questions about IRON activity

  • Which institutional owners are buying IRON?

    Institutional owners buying IRON include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in IRON activity?

    "Buy" means an investor increased their reported position in IRON compared to the prior reporting period. This reflects growing exposure to DISC MEDICINE INC (IRON) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in IRON increasing?

    Institutional interest in IRON can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.