Altair

SoftwareTroy, USAFounded 1985· One of 367 Software companies tracked by AMPulse

Computational intelligence software company (simulation, HPC, data science, AI), now part of Siemens Digital Industries Software.

CEO / Founder: James Scapa
Team Size: 1001-5000
Stage: Acquired
Total Funding: Acquired by Siemens (~USD 10B enterprise value)
Latest Round: Acquired
Key Investors: General Atlantic, Matrix Capital Management Company LP

Technology & Products

Key Products

Altair offers a comprehensive suite of software solutions for simulation, high-performance computing (HPC), and artificial intelligence (AI). Key products include Altair Inspire, SimSolid, SimLab, HyperMesh, and the Altair One platform for cloud-based access to their technology.

Technological Advantage

Altair's focus on open-architecture solutions and a flexible licensing model provides a significant advantage. Their technology enables the creation of comprehensive digital twins, allowing for extensive simulation and analysis throughout the product lifecycle.

Differentiation

Value Proposition

Enabling organizations to innovate faster, reduce development costs, and improve product performance through a comprehensive suite of software solutions.

How They Differentiate

Altair differentiates through its flexible units-based licensing model, a broad portfolio of integrated software solutions, and its pioneering expertise in combining simulation with AI and HPC.

Market & Competition

Target Customers

Engineers, data scientists, and researchers in various industries aiming to optimize product design, processes, and decision-making.

Industry Verticals

Automotive, Aerospace, Consumer Goods, Electronics, Energy, Heavy Industry

Competitors

Dassault Systèmes, Ansys

Growth & Milestones

Growth Metrics

Acquired by Siemens (closed Mar 2025, ~$10B EV); integrating into Siemens Xcelerator/Simcenter; Altair brand and product releases continue (e.g. HyperWorks 2026).

Major Milestones

1985: Company founded, 2017: IPO on Nasdaq (ALTR), 2024-10: Signed definitive agreement to be acquired by Siemens for ~$10.6B equity value, 2025-03-26: Siemens completed acquisition (~$10B EV); delisted from Nasdaq; brand continues within Siemens Digital Industries Software

Notable Customers

Early clients included Ford Motor Company, General Motors, and Chrysler. Altair serves over 3,000 corporate clients across automotive, aerospace, government and defense, and consumer products verticals.

https://altair.com

Why this company matters

AMPulse analysis, not a company disclosure

Altair occupies a distinctive position at the intersection of simulation, high-performance computing (HPC), and artificial intelligence. Founded in 1985, the company built its reputation on open-architecture software that allows engineers to model and optimize product performance across multiple physics domains. Its flexible, units-based licensing model gives customers cost-effective access to the entire software suite, a structure that differs from the per-product licensing of competitors like Dassault Systèmes, Ansys, and Siemens.

The core product portfolio includes Altair Inspire for generative design and simulation, SimSolid for structural analysis of large assemblies, SimLab for multiphysics simulation, and HyperMesh for meshing and model preparation. The Altair One platform provides cloud-based access to these tools, enabling digital twin creation and lifecycle simulation. Altair's technology supports additive manufacturing workflows by allowing engineers to simulate and optimize parts for processes such as LPBF and binder jetting before committing to production.

Altair serves over 3,000 corporate clients across automotive, aerospace, consumer goods, electronics, energy, and heavy industry. Early customers included Ford, General Motors, and Chrysler. Engineers and data scientists use Altair's tools to reduce development costs and improve product performance, particularly in structural optimization and lightweighting for aerospace and automotive applications. The company has strategic partnerships with Microsoft Azure, Amazon Web Services, Google Cloud, NVIDIA, and Intel.

Altair's competitive moat lies in its early and sustained investment in combining simulation with AI and HPC, along with its open-architecture philosophy. The company went public in 2017 and in 2024 signed a definitive agreement to be acquired by Siemens for $10.6 billion. A key open question is how the acquisition will affect Altair's platform-agnostic licensing model and its relationships with customers who compete with Siemens in adjacent markets.