Diligence memo · auto-generated · as of July 2, 2026

Z21 Labs, Inc.

Z21 Labs, Inc. looks fair against its niche peers and is dormant on financing cadence.

DeprioritizeFinancing has gone silent well past the sector's normal cadence — treat as inactive until outside confirmation of a live operation.

Businessfiled

Z21 Labs, Inc. operates in Software / Tech, based in SAN FRANCISCO.

No verified homepage on file yet — operating evidence is limited to the public record.

Capital & rounds (filed)filed

Z21 Labs, Inc. has raised $34M in disclosed capital across 2 recorded rounds, aggregated from public filings. Its latest round is modeled as Series B (a $15M–$40M round).

Largest single filing: $25M on 2019-12-02.

Most recent recorded round closed around 2019-12-02.

Valuation (modeled)modeled

Provath models Z21 Labs, Inc. at approximately $775M (range $62M–$3.0B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.

Read: Fair. Modeled value is 1.42× the median modeled value of Series B Software / Tech companies in 2019–2021 (142 peers) — value vs value, same stage and era. Within the normal band (142% of peer median) for its niche.

Financing rhythm & timingmixed

Historic cadence: a new round about every 18 months.

Last raise 6.6 yr ago; this sector typically re-raises about every 13 months.

Silent for over 3× the sector's normal cadence.

The last round stepped up 3.2× from the prior — scaling.

Comparablesmixed

Capital scale ranks ahead of 87% of Software / Tech peers (3920 compared).

Modeled value ranks above 94% of those peers.

Closest niche peers: Trackonomy Systems, Inc., Tray.IO Inc., Unravel Data Systems, Inc., Salus Labs, Inc., Anchor Labs, Inc..

Peoplefiled

6 named people on file across officers, directors and signatories.

Risks & flagsmixed

Financing has been silent well beyond sector cadence — possibly defunct, acquired, or paused.

No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.