Celestial AI develops Photonic Fabric, a hybrid photonic-electronic optical interconnect technology platform for disaggregated exascale compute and memory clusters. The platform delivers on-chip compute-to-compute and compute-to-memory links with >1.5 Tbit/s/mm2 package bandwidth, 25X greater than alternative technologies like co-packaged optics, enabling transformational performance advantages for AI and cloud data center architectures.
Celestial AI has been acquired
This company is no longer available on our private secondary market.
Company data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Founded
2020
Total Funding
$594.6M
6 rounds
Latest Valuation
$2.5B
February 25, 2025
Total raised $594.6M across 6 rounds
Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Last updated 06-25-2026
Latest Round
Type
Series C1
Date
February 25, 2025
Amount
$250M
Valuation
$2.5B
Lead Investors
| Date | Round | Amount Raised | Valuation | Lead Investors |
|---|---|---|---|---|
| February 25, 2025 | Series C1 | $250M | $2.5B | Fidelity Management & Research Co. |
| March 2024 | Series C | $175M | — | U.S. Innovative Technology Fund |
| April 2023 | Series B | $100M | — | IAG Capital Partners, Koch Disruptive Technologies, Xora Innovation |
David Lazovsky
Founder and CEO
Preet Virk
Co-Founder and COO
Michelle Tomasko
Co-Founder
Competitor list is illustrative and may be incomplete, stale, or erroneous.
Broadcom
Provides optical interconnect and networking solutions for data centers
Nvidia
Develops AI accelerators and high-speed interconnect technologies (NVLink, InfiniBand)
Intel
Produces semiconductors and optical interconnect technologies for data centers
Inphi
Develops high-speed analog and mixed-signal semiconductor solutions (acquired by Marvell in 2021)
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