Latest round

Seed

Last raised

Oct 2025

Total raised

$16M

Investors

13

About SirenOpt

Based in California, US, and founded in 2022 by co-founders Jared O'Leary (CEO), Ali Mesbah, and Joel Paulson, SirenOpt, Inc. operates as a provider of advanced manufacturing intelligence platforms, offering non-destructive material characterization to optimize process control and enhance product quality for various industries. In October 2025, SirenOpt, Inc. The company provides a wide range of advanced manufacturing intelligence services such as real-time, non-destructive material characterization, in-line and off-line multi-property measurement, and process optimization solutions. The platform leverages cold atmospheric plasma and machine learning to provide insights. Moreover, the firm offers solutions like PlasmaSens for advanced material analysis and predictive analytics for research and development and process improvement. Additionally, the firm also provides services such as customized data-driven decision-making tools and real-time production monitoring for various industries, including semiconductor, battery, aerospace, and electronics.

Who invested in SirenOpt

13 investors across 2 rounds

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Funding rounds

  1. Seed

    Oct 14, 2025

    Amount

    $6.5M

    Investors

    Locked

  2. Seed

    Jun 28, 2024

    Amount

    $9.6M

    Investors

    Locked

Questions about SirenOpt

Who invested in SirenOpt?

SirenOpt has 13 investors on record across 2 venture rounds. Sign up free to see every VC on the cap table and the rounds they joined.

How much funding has SirenOpt raised?

SirenOpt has raised 2 venture rounds. Sign up free to see how much each round raised and the total.

When did SirenOpt last raise money?

SirenOpt's most recent round on record is a Seed, in Oct 2025.

What does SirenOpt do?

Based in California, US, and founded in 2022 by co-founders Jared O'Leary (CEO), Ali Mesbah, and Joel Paulson, SirenOpt, Inc.

Where is SirenOpt headquartered?

SirenOpt is headquartered in Oakland, US.

Which VCs invest in companies like SirenOpt?

Among active investors with capital left to deploy, Andreessen Horowitz, Founders Fund, Accel and Thrive Capital back electronics companies at SirenOpt's stage. Their profiles are linked below.

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