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LEDGER2026 YTD $21.4B253 roundslast Oct 20, 2026

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  3. Onyx Security raises $35M Series A

Series AThursday, March 12, 2026

Onyx Security raises $35M Series A

$35M

By Israel Rounds desk. Edited by Eliran Yihye. Published Thursday, March 12, 2026. Updated Saturday, October 17, 2026.

Onyx Security raised $35M in a Series A round1, announced Mar 12, 20261, led by Conviction1.

Also participating: Cyberstarts1.

Onyx Security has raised $148M across 2 recorded rounds.2,1

Lead investor

  • Conviction

Also participating

  • Cyberstarts

Onyx Security funding path

Funding rounds raised by Onyx Security, oldest to newest$100M$200MSeries A, Mar 12, 2026: $35M$35MASeries B, Jul 30, 2026: $113M$113MB

Onyx Security funding history

2 rounds

Funding rounds raised by Onyx Security, newest first
RoundAnnouncedAmountLead investors
Series BJul 30, 2026$113MBessemer Venture Partners
Series AMar 12, 2026$35MConviction
Total raised$148M

Which other Israeli startups raised in the same sector or with the same lead?

  • Pluto Security raises SeedOct 20, 2026
  • Pluto Security raises $42M Series AOct 20, 2026
  • Varonis acquired for $6.3BOct 15, 2026
  • Pluto Security raises $34M Undisclosed stageOct 13, 2026
  • Orion Security raises $6M SeedOct 12, 2026
  • Orion Security raises $32M Series AOct 12, 2026

Sources

  1. 1CTech, Mar 12, 2026. “Cyber startup Onyx Security raises $35 million to control AI agents in organizations”
  2. 2CTech, Jul 30, 2026. “AI security startup Onyx raises $113 million Series B at $640 million valuation”

How much did Onyx Security raise in its Series A?

Onyx Security raised $35M in its Series A, announced Mar 12, 2026.

Who led Onyx Security’s Series A?

The round was led by Conviction.

Which investors took part in Onyx Security’s Series A?

Participants: Conviction and Cyberstarts.

How much has Onyx Security raised in total?

Onyx Security has raised $148M across 2 recorded rounds.

Company
Onyx Security
Stage
Series A
Amount
$35,000,000
Announced
Mar 12, 2026
Sectors
cybersecurity, ai
  • Onyx Security profile, founders and investors
  • Israeli startup news on Mar 12, 2026

Updated Mar 12, 2026

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Israel Rounds

The ledger of Israeli startup funding rounds in 2026: amounts, stages, lead investors and sources, with a free CSV.

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