Photonics Terminal
v0.1 — RESEARCH PREVIEW
IPO WATCH

Private to public, filed and tracked.

SEC EDGAR full-text search runs across 7 curated private photonic computing companies and auto-scans the filing feed for photonics keywords (silicon photonics, TFLN, optical interconnect…) to surface brand-new S-1/F-1/DRS/424B4 filers. When the bell rings, you'll know first.

⚡ NEW FILERS AUTO-DISCOVERED
WATCH-LIST FILINGS DETECTED

Watch list

Q.ANT
Stuttgart, Germany · Est. 2018
Photonic AI compute

TFLN analog photonic processor (NPS); 8-bit multiply in 1 optical element

RAISED
$80M
LAST ROUND
Series A second close (Apr 2026)
Cherry VenturesUVC Partnersimec.xpandTRUMPFDuquesne Family Office
SIGNAL
Series B likely 2027
Lightmatter
Mountain View, CA · Est. 2017
VALUATION
$4.40B
Photonic AI compute + interconnect

Passage M1000 photonic superchip (114 Tbps); Envise AI accelerator

RAISED
$850M
LAST ROUND
Series D (Oct 2025)
GoogleGVT. Rowe Price
SIGNAL
Top IPO candidate — file-watch SEC EDGAR
Celestial AI
Santa Clara, CA · Est. 2020
VALUATION
$1.00B
Photonic AI interconnect

Photonic Fabric — HBM3E/HBM4 compatible interconnects

RAISED
$594M
LAST ROUND
Series C (~2024)
NVIDIAAMDIntelFidelityBlackRock
SIGNAL
Strategic — all 3 major chipmakers invested
Ayar Labs
Santa Clara, CA · Est. 2015
VALUATION
$1.00B
Optical I/O chiplets

In-package optical I/O chiplets; 100+ Tbps demonstrated

RAISED
LAST ROUND
Series D (2024)
AMDIntelNVIDIACapitalGHP Pathfinder
SIGNAL
Top IPO candidate 2026/2027
PsiQuantum
Palo Alto, CA · Est. 2016
Photonic quantum

Silicon photonic fault-tolerant quantum; GFS partnership

RAISED
$665M
LAST ROUND
Series D
BlackRockTemasekMicrosoft M12Baillie Gifford
SIGNAL
IPO possible 2027+
Xanadu
Toronto, Canada · Est. 2017
Photonic quantum

Squeezed-light photonic quantum; PennyLane open-source ML

RAISED
$287M
LAST ROUND
Series C
BessemerOMERSTiger GlobalBDC Capital
SIGNAL
Announced IPO plans early 2026 — file-watch
Lightelligence
Boston, MA · Est. 2017
Photonic AI compute

PACE silicon photonic computing; LightSphere X "optical GPU"

RAISED
LAST ROUND
Series B
MIT spinout backers
SIGNAL
Watch for Series C/D