Phosphorus Cybersecurity Funding: $46M Raised, Series A

Phosphorus Cybersecurity is based in Nashville. It has raised $46M in total funding. Latest round: Series A. Backed by SYN Ventures, MassMutual Ventures.

Phosphorus Cybersecurity funding overview

Phosphorus Cybersecurity is based in Nashville. Phosphorus Cybersecurity has raised $46M in total disclosed funding. That places its disclosed total in the $25M–$100M range. Its most recent disclosed round is a Series A announced in February 2026. The round record for Phosphorus Cybersecurity runs through 2026; nothing later has been disclosed. Investors on record include SYN Ventures, MassMutual Ventures. 2 distinct backers are named across the disclosed rounds.

Phosphorus Cybersecurity at a glance

Total raised
$46M
Latest round
Series A
Latest round date
February 2026
Headquarters
Nashville
Notable investors
SYN Ventures, MassMutual Ventures

Frequently asked about Phosphorus Cybersecurity funding

How much has Phosphorus Cybersecurity raised?
Phosphorus Cybersecurity has raised $46M in total disclosed funding across the rounds on record.
Who has invested in Phosphorus Cybersecurity?
SYN Ventures, MassMutual Ventures are named among the investors backing Phosphorus Cybersecurity.
What was the latest Phosphorus Cybersecurity funding round?
The most recent disclosed round is a Series A, announced in February 2026.
Where is Phosphorus Cybersecurity based?
Phosphorus Cybersecurity is based in Nashville.
When did Phosphorus Cybersecurity last raise?
The last disclosed Phosphorus Cybersecurity round closed in February 2026 at Series A.

Round data for Phosphorus Cybersecurity is compiled from public filings and announcements; blank fields mean nothing has been disclosed rather than nothing exists. Continue with the companies in Nashville and backer lists below.

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