Spear Bio

Woburn, MA · Founded 2021 · Privately Held (backing)

Developer of ultrasensitive protein detection technology designed to offer significant benefits across the healthcare value chain. Spear Bio is based in Woburn, MA and was founded in 2021. Its last known valuation is $134 million. It has raised $69.8 million across 4 recorded rounds; the latest was a $45 million early-stage round in Jul 2024.

Last price · $/share
—
Implied valuation
$134.0M
Total raised
$69.8M
Last round
Early Stage VC
Jul 2024
How much has Spear Bio raised?
$69.8Macross 4 recorded rounds · Mar 2021 – Jul 2024

Most recently, Spear Bio raised $45.0M in its Early Stage VC (Jul 2024).

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Spear Bio round by round

4 rounds
Jul 2024Early Stage VC$45.0MSEC filing▮
8 investors participated
Oct 2022Seed Round$2.4MSEC filing▮
5 investors participated
Sep 2021Debt$1.6MSEC filing▮
3 investors participated
Mar 2021Seed Round$1.1MSEC filing▮
4 investors participated

How much has Spear Bio raised?

Spear Bio has raised $69.8 million across 4 recorded rounds since 2021. The largest was a $45 million early-stage round in Jul 2024.

Spear Bio has filed 4 Form Ds with the SEC since 2021, most recently in Aug 2024 ($45 million sold to 8 investors).

Spear Bio investors

9 investors are on record for Spear Bio, including Hongshan Capital Group, CDH Investments, Yonghua Capital and Foresite Capital. The early-stage round in Jul 2024 drew 8 investors.

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9 investors have backed Spear Bio.

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Frequently asked about Spear Bio

How much has Spear Bio raised?
Spear Bio has raised $69.8M in total across 4 recorded funding rounds.
When was Spear Bio's last funding round?
Spear Bio's most recent recorded round was Early Stage VC in Jul 2024, raising $45.0M.