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Disc Medicine surges after Phase 3 bitopertin trial clears all key endpoints

Investivoq PriceTracker

Disc Medicine (IRON) is up 35.7% today. Here is some analysis on what might have caused this price movement.

Analysis: The rally appears tied to Disc Medicine’s October 19, 2026 announcement that bitopertin succeeded in the pivotal Phase 3 APOLLO study in erythropoietic protoporphyria. Investors likely viewed the all-endpoint win as a major regulatory and commercial positive because the program had previously received a Complete Response Letter, and management now plans to resubmit the application by the end of 2026.

Details:

  • Disc Medicine said bitopertin met both co-primary endpoints in APOLLO, including lowering whole-blood metal-free protoporphyrin IX and increasing time in light without pain.
  • The company also reported statistically significant results across all secondary endpoints, including fewer phototoxic reactions and better light tolerance, plus quality-of-life improvements.
  • Management said bitopertin was generally well tolerated in the trial, with no new safety signals observed and no treatment-emergent adverse events above Grade 3.
  • This update is especially important because the FDA issued a Complete Response Letter in February 2026; Disc later said a successful APOLLO trial could support a resubmission and potentially traditional approval.

    • Sources:

    Disc Medicine, SEC, Nasdaq

    Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.

    $IRON Insider Trading Activity

    $IRON insiders have traded $IRON stock on the open market 39 times in the past 6 months. Of those trades, 0 have been purchases and 39 have been sales.

    Here’s a breakdown of recent trading of $IRON stock by insiders over the last 6 months:

    • JOHN D QUISEL (Chief Executive Officer) has made 0 purchases and 9 sales selling 100,000 shares for an estimated $7,473,057.
    • KEVIN BITTERMAN has made 0 purchases and 16 sales selling 83,321 shares for an estimated $6,405,501.
    • JONATHAN YEN-WEN YU (Chief Operating Officer) has made 0 purchases and 8 sales selling 38,612 shares for an estimated $2,844,892.
    • RAHUL KHARA (Chief Legal Officer) has made 0 purchases and 6 sales selling 15,000 shares for an estimated $1,114,160.

    To track insider transactions, check out Investivoq's insider trading dashboard. You can access data on insider stock transactions through the Investivoq API insider transaction endpoint.

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    $IRON Hedge Fund Activity

    We have seen 104 institutional investors add shares of $IRON stock to their portfolio, and 86 decrease their positions in their most recent quarter.

    Here are some of the largest recent moves:

    • JPMORGAN CHASE & CO added 1,875,795 shares (+inf%) to their portfolio in Q2 2026, for an estimated $137,195,646
    • VESTAL POINT CAPITAL, LP added 850,000 shares (+121.4%) to their portfolio in Q2 2026, for an estimated $62,169,000
    • ASSENAGON ASSET MANAGEMENT S.A. added 735,300 shares (+191.4%) to their portfolio in Q3 2026, for an estimated $48,132,737
    • ORBIMED ADVISORS LLC removed 710,015 shares (-66.5%) from their portfolio in Q2 2026, for an estimated $51,930,497
    • FMR LLC removed 692,421 shares (-12.4%) from their portfolio in Q2 2026, for an estimated $50,643,671
    • GOLDMAN SACHS GROUP INC removed 542,459 shares (-84.8%) from their portfolio in Q2 2026, for an estimated $39,675,451
    • OPALEYE MANAGEMENT INC. added 434,000 shares (+103.1%) to their portfolio in Q2 2026, for an estimated $31,742,760

    To track hedge funds' stock portfolios, check out Investivoq's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Investivoq API 13F endpoint.

    $IRON Price Targets

    Multiple analysts have issued price targets for $IRON recently. We have seen 2 analysts offer price targets for $IRON in the last 6 months, with a median target of $86.5.

    Here are some recent targets:

    • Sean Laaman from Morgan Stanley set a target price of $85.0 on 06/16/2026
    • David Nierengarten from Wedbush set a target price of $88.0 on 06/10/2026

    This article is not financial advice. See Investivoq's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.