Ireland · Growth startup
One round we have observed, with the 5 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$108Mraised across 1 round since 2021, from 1 source
Ally Bridge GroupLead
Sofinnova Partners
Fountain Healthcare Partners
KCK Group - Financial Services InvestmentsReported by Capricorn PartnersSEC filing: $108M sold, first sale Feb 2021
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Mainstay Medical Holdings plc's investors include Ally Bridge Group, Sofinnova Partners, through its Crossover Fund, Sofinnova Partners, Fountain Healthcare Partners and KCK Group - Financial Services Investments. Ally Bridge Group led its latest round.
Mainstay Medical Holdings plc has raised $108M across 1 round since 2021.
Mainstay Medical Holdings plc's most recent round was a Growth of $108M in Feb 2021, led by Ally Bridge Group.
Its most recent round, $108M in Feb 2021, is also its largest on record.
Mainstay Medical Holdings plc's first round on record, in Feb 2021, was backed by Ally Bridge Group, Sofinnova Partners, through its Crossover Fund and Sofinnova Partners and 2 others.
Mainstay Medical Holdings plc's latest named round is a Growth, in Feb 2021.
Mainstay Medical Holdings plc is based in Ireland.
Ally Bridge Group led the Growth in 2021.
In the same sector, and raised in the last eighteen months.
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Ireland · 
