Startup · United States

Great Sky

HQ Boulder, ColoradoFounded 202411-50 employeesUpdated Oct 18, 2026

A new class of AI hardware from first principles.

Stage undisclosed · Jul 23, 2026

Funding5 rounds · $45.3M

Equity raised: $45.3M
Latest: $25.9MStage undisclosed · Jul 23, 2026

Cumulative raised$45.3M

Oct 15, 2024Jul 23, 2026

Funding rounds
Announced	Stage	Amount	Valuation	Lead investors	Other investors	Confidence
Jul 23, 2026	Undisclosed	$25.9M	—	—	—	Confirmed
Mar 14, 2026	Seed	$14.0M	—	Bison Ventures	Matchstick Ventures, Range Ventures	Reported
Sep 26, 2025	Seed	$3.0M	—	—	Matchstick Ventures	Confirmed
Aug 4, 2025	Seed	$1.8M	—	—	—	Confirmed
Oct 15, 2024	Undisclosed	$630K	—	—	—	Confirmed

Undisclosed
Confirmed
$25.9M
Jul 23, 2026
Seed
Led by Bison Ventures
With Matchstick Ventures, Range Ventures
$14.0M
Mar 14, 2026
Seed
With Matchstick Ventures
Confirmed
$3.0M
Sep 26, 2025
Seed
Confirmed
$1.8M
Aug 4, 2025
Undisclosed
Confirmed
$630K
Oct 15, 2024

Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.

People3

All 3 people →

People
Person	Role
Bryce Primavera	Founder
Jeff Chiles · LinkedIn ↗	Co-founder and CTO
Jeff Shainline · LinkedIn ↗	Co-founder and CEO

Sources11

Show all 11 sources and supporting evidence

Profile4

1
DatabaseGreat Sky - PitchBook company profile
PitchBook · Supports Organization · employee range, Organization · founded year, Organization · linkedin url
“employee_range: 11-50 (profile: 17)”
2
DatabaseSixth-Domain public startups directory
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "USA", "hq_iso2": "US", "id": "388ed6f9-837a-48e0-9197-10c1210209e2"}”
3
CompanyA New Era in AI Computing - Great Sky
Great Sky · Supports Organization · description, Organization · name, Organization · website
“A new class of AI hardware from first principles. Photonics, superconductors, and brain-inspired architecture for compute beyond silicon.”
4
DatabaseGreat Sky - LinkedIn company profile
LinkedIn · Supports Organization · employee range, Organization · founded year, Organization · hq city, Organization · hq region, Organization · linkedin url
“employee_range: 11-50 (profile: 11-50 employees)”

Funding6

5
Regulatory filingGreat Sky Inc. Form D
SEC EDGAR · Jul 23, 2026 · Supports Funding round · amount
“Total Amount Sold $25,907,182 USD”
6
NewsLatest Great Sky News & Announcements
Distill Intelligence · Mar 14, 2026 · Supports Funding round
“The company announced a $14M seed round and chip tape-out for superconducting optoelectronic technology.”
7
Regulatory filingGreat Sky Inc. Form D
SEC EDGAR · Sep 26, 2025 · Supports Funding round · amount
“Total Amount Sold $3,007,500 USD”
8
Regulatory filingGreat Sky Inc. Form D
SEC EDGAR · Aug 4, 2025 · Supports Funding round · amount
“Total Amount Sold $1,760,000 USD”
9
Regulatory filingGreat Sky Inc. Form D/A
SEC EDGAR · Nov 6, 2024 · Supports Funding round · amount
“Total Amount Sold $630,000 USD”
10
NewsGreat Sky: $14 Million Seed Raised For Brain-Inspired Superconducting AI Computing Architecture
Pulse 2.0 · Supports Funding round · amount, Organization · ownership
“$14 million seed funding round led by Bison Ventures with participation from Matchstick Ventures, Range Ventures”

People1

11
DatabaseGreat Sky - Crunchbase company profile
Crunchbase · Supports Organization · hq city, Organization · linkedin url, Role
“hq_city: Boulder”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.