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Polyphron

United StatesBiology data and toolsNew York, United StatesPrivate

Website · polyphron.com ↗

Grows human micro-tissues from donor-diverse stem cells in an automated foundry, measures how they respond over time, and trains a tissue model on that data, to test AI-generated drug hypotheses; cardiac tissue first, liver next.

Disclosed total$20M
Rounds on record1
Latest round$20MSeed · 2026-09-17
Last stated valuationNone stated
Investors named4
Research on record1highest level 4 · Tested in the physical world

Money and evidence

Moneyeach round in US dollars; ≈ converted at its date2026$20MEvidencelevel of each research entry12345
Closed roundResearch entry, at its level

Latest round, Seed, 2026-09-17: the record then held 1 research entry, highest level 4. The first research entry is dated 2026-04-07; the highest level so far is 4 (Tested in the physical world).

Rounds and research, on one timeline

  1. 2026-09-17Seed
    Round

    $20M

    For: building its tissue platform as it expands its tissue models and AI capabilities

    Wet labModels and platform

    CEO Matthew Osman names the amount and investors in AlleyWatch's interview; the use comes from HLTH's summary of the company's Business Wire release of 17 September, which returned 403 here. Osman also lists six-month goals: more cardiac and liver data, more automation and a donor panel of over 20 lines.

    Lead · Quiet CapitalHaystackGradientCompound

    By this date the record held 1 research entry, highest level 4

    Announced by the company · alleywatch.com ↗On the timeline →

  2. 2026-04-07
    Research

    Level 4 · Tested in the physical world

    Polyphron and Cellino grow aligned brain tissue from four donors' stem cells, predicting the conditions for two thinly tested donors from the other two

    Stem cells from different people respond differently to the same recipe, which is a main reason grown human tissue does not scale. Here the foundry carried what it learned on two donors over to two others with little data, the step a bank of patient-matched tissue would need.

    Timeline entry →polyphron.com ↗

Research entries are the timeline's graded entries that name this company. A level grades one claim, not the company, and a blank can mean the record has not caught up rather than that nothing was published.

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Its investors also backed

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