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    Impact startupHealthSeries C+

    Loyal

    Loyal is a clinical-stage animal health company developing lifespan extension drugs for dogs. It has raised over $250M, including a $100M Series C in February 2026. It is making progress toward approval from the FDA's Center for Veterinary Medicine.

    Founder and CEO
    Raised in the rounds listed
    $100 million
    Founder
    Celine Halioua
    Founded
    2019

    Who it reaches

    Dog owners and veterinarians, with drugs meant to help dogs live longer, healthier lives.

    Loyal funding rounds

    DateRoundAmount
    Feb 11, 2026Series C$100 million

    Key facts

    Founded
    late 2019source
    Total raised
    over $250Msource
    Series C
    $100M, led by age1, February 11, 2026source
    Drugs in development
    three drugs in developmentsource
    Regulatory status
    making progress toward approval from the FDA's Center for Veterinary Medicinesource
    Study length
    now about two and a half years in, will run a minimum of four yearssource

    WYDE coverage of Loyal

    Sources

    Track the institutions that move money.

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