Maxwell Biosciences

Austin, TX · Founded 2016 · Privately Held (backing)

Operator of a drug platform company intended to create biomimetic therapeutics and synthetic compounds that mimic and improve upon biomolecules. Maxwell Biosciences is based in Austin, TX and was founded in 2016. It was valued at $50.9 million at its seed round in Oct 2023, the last priced event on record. It has raised $35.5 million across 1 recorded round; the latest was a $10.9 million early-stage round in Oct 2021.

PMV mark · valuation
$50.9M
Oct 2026
Priced at
its seed round
Oct 2023
Total raised
$35.5M
Last round
Early Stage VC
Oct 2021
What is Maxwell Biosciences worth?
$50.9MPrivateMarketView mark · Oct 2026

Valued at $50.9M at its seed round, Oct 2023. Nothing has traded since.

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Valuation timeline

0 priced rounds · 32 daily marks since · Sep 2026 – Oct 2026
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Maxwell Biosciences funding history

1 rounds
DateRoundRaisedPost-money
Oct 2021Early Stage VC$10.9M▮
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Maxwell Biosciences valuation

Maxwell Biosciences was valued at $50.9 million at its seed round in Oct 2023. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

How much has Maxwell Biosciences raised?

Maxwell Biosciences has raised $35.5 million in total; 1 of its rounds is on record. The largest on record was a $10.9 million early-stage round in Oct 2021.

Maxwell Biosciences has filed 2 Form Ds with the SEC since 2022, most recently in Jul 2023 (null sold).

How Maxwell Biosciences's valuation is determined

Private company valuations aren’t quoted on an exchange — they’re established in moments: a priced funding round sets a post-money valuation, secondary trades print at a price per share, and SEC-registered funds holding the stock report fair-value marks in their N-PORT filings.

For Maxwell Biosciences, the most current credible signal sets the number and the older ones confirm it: a live secondary-market price first, then three or more recent prints, then institutional fund marks, and otherwise the last priced round, which never decays. The valuation is the last round’s post-money moved by the price change since that round, so no share count is assumed. Today it is set by its last priced round. Question about this number? Full methodology →

Frequently asked about Maxwell Biosciences

What is Maxwell Biosciences worth?
Maxwell Biosciences is valued at $50.9M as of Oct 2026. Valued at $50.9M at its seed round, Oct 2023. Nothing has traded since.
How much has Maxwell Biosciences raised?
Maxwell Biosciences has raised $35.5M in total funding across 1 recorded rounds.
When did Maxwell Biosciences last raise?
Maxwell Biosciences last raised in Oct 2021 (Early Stage VC), raising $10.9M.