Fluidstack
Fluidstack provides compute infrastructure for AI projects, serving governments and enterprises, with $1.1B in funding and 356 employees.
The growth story
Fluidstack grew from 10 to 356 employees between 2023 and 2026, raising $1.1B along the way, most recently a Series A in January 2026.
About
The company builds and deploys computing hardware to support large-scale AI development. Its customers include government agencies and corporate AI labs that need specialized infrastructure.
Fluidstack raised $1.1B in a Series A round in early 2026, though its current headcount growth rate is unclear. The funding suggests rapid infrastructure expansion plans.
Founders and leadership
Engineering makes up 69 of Fluidstack's 356 employees, indicating a technical focus. The company has a young workforce with a median tenure of just one year.
The Fluidstack org chart
Jamie Cox (Co-Founder; Chief Stategy Officer) leads 59 mapped leaders with 5 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Operations 78 (+1460% YoY), Engineering 77 (+221% YoY), Information Technology 69 (+886% YoY), Program and Project Management 29 (+867% YoY), Human Resources 23 (+360% YoY), Business Development 12 (+9% YoY).
Talent flow
Fluidstack recruits heavily from AWS (36 hires), Tesla (29), and Meta (28). Alumni have founded five companies including DTA Aircraft Manufacturer and Astute.
Most common previous employers of Fluidstack staff: Amazon Web Services (AWS) (36), Tesla (29), Meta (28), Amazon (24), Oracle (13), Google (11). Former Fluidstack employees most often moved to Lightning AI (2), Genesys (1), RecruiterDNA (1), Rekord (1), Growth Impact AI (1), Plural (1).
Alumni worth knowing
The Fluidstack mafia
Five startups trace back to Fluidstack alumni, including DTA Aircraft Manufacturer (1 founder, 3 staff) and Astute (1 founder, 3 staff).
5Théo Parant, was Business Development Manager until 2021Vida Stanić, was Growth/Marketing until 2025Pablo Barros, was Growth Marketing and Sales Manager at FluidStack until 2021David Craig, was Site Manager, DC Ops until 2026Hiring now
Web traffic
Traffic mix: 57% direct, 31% search, 6% social, 1% paid.
What this company is made of
Most common skills at Fluidstack: Microsoft Office (137), Leadership (133), Project Management (131), Microsoft Excel (122), Customer Service (94), Python (Programming Language) (87), Communication (83), Management (82).
Where the team actually sits
Fluidstack people are concentrated in Texas, United States (37), California, United States (25), United States (24), New York, United States (18).
What employees say
- Compensation
- 5.00 / 5
- Career opportunities
- 5.00 / 5
- Senior management
- 4.70 / 5
- Work-life balance
- 3.40 / 5
Frequently asked
Fluidstack has 356 employees as of September 2026.
Fluidstack has raised $1.1B in total, most recently a Series A round in January 2026.
Fluidstack was founded in 2017 by Dane Holewinski, Jamie Cox, César M., Gary Wu.
Jamie Cox (Co-Founder; Chief Stategy Officer) sits at the top of Fluidstack's reporting structure, with 5 direct reports.
The most common previous employers of current Fluidstack staff are Amazon Web Services (AWS) (36 people), Tesla (29 people), Meta (28 people).
Former Fluidstack employees most often move to Lightning AI (2), Genesys (1), RecruiterDNA (1).
At least 5 companies have a founder who previously worked at Fluidstack, including DTA Aircraft Manufacturer, Astute, Aran Industries.
The most common skills among Fluidstack staff are Microsoft Office, Leadership, Project Management, Microsoft Excel, Customer Service.
Fluidstack staff are concentrated in Texas, United States (37), California, United States (25), United States (24).
Fluidstack has about 78 people in Operations, up 1460% over the past year, as of September 2026.
Fluidstack has about 77 people in Engineering, up 221% over the past year, as of September 2026.
Computed from 241 current and 76 former Fluidstack profiles, as of September 2026. Source: Crustdata.
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