Great Sky

AI Chips & Accelerators
$45.3Mtotal raised · 5 rounds on record
1open role
$25.9Mlatest round · Venture round · Jul 2026 · 4 mo ago
3backers · Bison Ventures, Toba Capital

Overview

A new class of AI hardware from first principles. Photonics, superconductors, and brain-inspired architecture for compute beyond silicon.

Funding and backers

Total raised
$45.3M
5 rounds on record
Latest round
$25.9M
Venture round · Jul 2026 · 4 mo ago
Team
9
US Form 5500 (plan participants) · Dec 2025
Hiring now
1
+1 posted in 30 days
Backers
3
Bison Ventures, Toba Capital
The money's age
Fresh money
4 months since the last round · and hiring
Momentum
33/100
hiring for its size, fresh money
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Jul 23 Board appointment Mark Wade, Director · SEC Form D Jul 10 Raised a round Venture round $25.9M · SEC Form D Mar 13 Raised a round Seed $14M · led by Bison Ventures · Pulse 2.0 Mar 13 Launched Great Sky Unveils Brain-like Computing Architecture Built for the Next Era of AI · YahooFinance Sep 12, 2025 Raised a round Venture round $3M · SEC Form D Jun 25, 2025 Raised a round Venture round $1.8M · SEC Form D Oct 8, 2024 Raised a round Venture round $630k · SEC Form D 2024 Founded
Tractionpublic signals, read monthly
Web presence
top 8%
of 133.2M domains by links, Common Crawl
Funding rounds
RoundDateAmountInvestorsSource
Venture round Jul 2026 $25.9M — SEC Form D
Seed Mar 2026 $14M Bison Ventures lead Pulse 2.0
Venture round Sep 2025 $3M — SEC Form D
Venture round Jun 2025 $1.8M — SEC Form D
Venture round Oct 2024 $630k — SEC Form D
Registers and programsofficial lists and records that name the company
Legal entity Great Sky Inc. SEC Form D
Founders and leadersfrom filings, registers and the company's site
Jeffrey ShainlineExecutive Officer, DirectorSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
Investors in similar startupsfunds that back the companies most like this one
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Jobs

$150k – $190k per year · Equity · Hybrid · Full-Time · Bachelor's Degree · Boulder
AI Agents
Chips/EDA
KLayout
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Visa sponsorship

0
H-1B filings in 12 months
1
Open roles in United States
In the register as Great Sky, Inc., Boulder, CO
Other sponsors in the same field
See 1 open role Alert me
US Department of Labor · latest filing Apr 28, 2025 · Visa details by country

Growth

Hiring Momentum
29/100
Slowing
Open positions
1
0 opened / 0 closed in 30 days
Median time-to-fill
21 days
faster than 58% of the market
ATS activity
Every ~5 hours
Today
Hiring Dynamics 0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Semiconductors
27% ▲
Hardware
18% ▲
AI/ML
9% ▼
Backend
9% ▼
Leadership
9% ▼
Management
9% ▲
Activity Timeline
+6 jobs in a week Sep 2026

Financials

Total raised
$45.3M
Latest round
Venture - Series Unknown
Funding rounds
5
Funding rounds
Round Announced Amount
Venture - Series Unknown 2026 $25.9M Details
Seed 2026 $14M Details
Venture - Series Unknown 2025 $3M Details
Venture - Series Unknown 2025 $1.8M Details
Venture - Series Unknown 2024 $630k Details

People

Jeffrey Shainline
Executive Officer, Director
Tom Biegala
Director
Mark Wade
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data

Tech stack

Technologies named in job postings at Great Sky over the last 12 months, by layer, with the share of postings for each.
Technologies in use
33
Postings analysed
9
Stack modernity
66/100
Languages
Python
Bash
C++
Rust
Frameworks & libraries
JAX
PyTorch
CUDA
Pydantic
Cloud & platforms
AWS
Active Directory
Azure
Cloudflare
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Full Great Sky tech stack 33 technologies · by team · pay by technology · changes · similar stacks

Connections

List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors3
Bison VenturesVia a fund
19 portfolio companies: Stat News, Vivodyne, Ark PES and 16 more
51 portfolio companies: Scientific American, Solar Power World, Full Harvest and 48 more
Toba CapitalVia a fund
127 portfolio companies: Terray Therapeutics, Safe Superintelligence, Subatomic and 124 more

News

News Pulse 2.0 8 months ago
Great Sky: $14 Million Seed Raised For Brain-Inspired Superconducting AI Computing Architecture
Great Sky, a startup developing a brain-inspired computing platform for artificial intelligence, announced the debut of its superconducting optoelectronic architecture alongside a $14 million seed funding round led by Bison Ventures with participation fro
Read more
Report
News YahooFinance 8 months ago
Great Sky Unveils Brain-like Computing Architecture Built for the Next Era of AI
BOULDER, Colo., March 13, 2026--Great Sky is a company pioneering a fundamentally new computing architecture for AI. Today, the company announced the public debut of its technology, fundraising, and several major commercial milestones. Its superconducting
Read more
Report
News Polygon.com 3 years ago
Great Sky Island walkthrough in Zelda: Tears of the Kingdom
The Great Sky Island is the tutorial area of Zelda: Tears of the Kingdom. Our walkthrough will guide you through, including how to get to the third and fourth shrine.
Read more
Report

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
Boulder
Boulder United States
HQ
1 open roles 11 posted in 90 days 10-50 est. staff $190k Avg Salary
hires for Semiconductors
5755 Central Ave, Suite 100
seen since Sep 2026 job postings
Earlier presence
Palo Alto, United States 5 open roles · last posting Oct 2026