Registered entities
SIRENOPT INC.
Reg. No. 880719093United States
Social engagement
Social engagement: 6K social following, 9 posts in the last 12 months — below the industry typical range.
Investor mix
15 investors on record; lead investors include Climate Capital, Voyager, Hitachi Ventures, InMotion Ventures.
| Investor type | Count | Share |
|---|---|---|
| Venture capital | 11 | 73% |
| Accelerator & incubator | 1 | 7% |
| Other / undisclosed | 3 | 20% |
Hiring activity
Hires periodically
4 roles tracked across 4 of the last 12 months
1 Jun 2026 · Staff Electrical Engineer (High Voltage Systems), Staff Electrical Engineer (FPGA / MPSoC Systems & Digital Si
8 May 2026 · Quality Manager
14 Apr 2026 · Staff EE, FPGA / MPSoC Systems & Digital Signal Processing, Staff EE, High Voltage Systems
2 Mar 2026 · Lead Software Engineer · San Leandro
Based on job postings tracked across public sources.
Recent activity
24 Jun 2026
Event
16th Beyond Lithium-Ion Symposium on Physics-based and data-driven methods for inline characterization of battery electrodes
11 Jun 2026
Leadership hire
Chief Commercial Officer
20 Apr 2026
Partnership
SirenOpt