Istari
Arlington, US · Founded 2022 · Delaware corporation · 4 known investors
Istari Digital provides an agentic engineering platform that connects tools, teams, and environments to coordinate, validate, and certify complex mission-critical systems across distributed and classified engineering environments. It serves organizations in air, sea, space, energy, and transportation sectors, aiming to shorten validation cycles while maintaining security and control over sensitive data.
Founders & leadership
Istari was founded in 2022 by William Roper, Jr..
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William Roper, Jr.Founder
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Christopher BensonExecutive
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Thomas E. McCabeExecutive
Board
JH
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Investors · 4
Reported raises · per SEC filings
Form D private placements$49.7M disclosed across 2 rounds · 2024–2026
▶$22.6MraisedJul 2026 · 3 investors · Other TechnologyRule 506(b)
Istari Digital raises $22.6M in Series B as defense software bets on Pentagon contracts over hype - Startup Fortunestartupfortune.com · Jul 2026
Washington Business Journal on X: "An Arlington defense tech startup is nearly halfway toward its goal of raising $40 million. https://t.co/Bchzs4pP1L" / Xx.com · Jul 2026
▶$22.6MraisedJul 2026 · 3 investors · Other Technology
Rule 506(b)Istari Digital raises $22.6M in Series B as defense software bets on Pentagon contracts over hype - Startup Fortunestartupfortune.com · Jul 2026Officers, directors & promoters on the filing
- Thomas McCabeExecutive Officer
- William Roper, Jr.Executive Officer, Director
- Christopher BensonExecutive Officer, Director
- Joseph HorowitzDirector
- Thomas LehrmanDirector
- Offering amount
- $40M
- Amount sold
- $22.6M
- First sale
- Jul 2026
- Incorporated
- Corporation, Delaware, 2022
- Federal exemptions
- 06b
▶$27.1MraisedJan 2025 · 11 investors · Other TechnologyRule 506(b)
▶$27.1MraisedJan 2025 · 11 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Christopher BensonExecutive Officer
- William Roper, Jr.Executive Officer, Director
- Joseph HorowitzDirector
- Thomas E. McCabeExecutive Officer
- Offering amount
- $35.5M
- Amount sold
- $27.1M
- First sale
- Dec 2024
- Incorporated
- Corporation, Delaware, 2022
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 2
by search overlap
Preqin6 shared keywordsPreqin provides private markets data, analytics, and benchmarking across private equity, venture capital, hedge funds, real estate, private credit, infrastructure, secondaries, and natural resources. Its products serve fund managers, investors, consultants, banks, and other financial professionals for fundraising, manager selection, due diligence, and performance analysis.
Arteris5 shared keywordsArteris licenses interconnect IP and software products used in system-on-chip design, serving semiconductor and electronics customers in the Americas, Asia, and Europe. It sells its technology primarily through a direct sales team rather than distributors.
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In the news
Istari Digital raises $22.6M in Series B as defense software bets on Pentagon contracts over hype - Startup Fortunestartupfortune.com · Jul 2026
Datapiledatapile.co · Jul 2026Frequently asked questions
- What does Istari do?
- Istari Digital provides an agentic engineering platform that connects tools, teams, and environments to coordinate, validate, and certify complex mission-critical systems across distributed and classified engineering environments. It serves organizations in air, sea, space, energy, and transportation sectors, aiming to shorten validation cycles while maintaining security and control over sensitive data.
- Who founded Istari?
- Istari was founded by William Roper, Jr. in 2022.
- Who are Istari's investors?
- Istari's investors include Icon Ventures, Radius Capital Ventures, Teamworthy Ventures, Aero X Ventures.
- How much funding has Istari raised?
- Istari has disclosed $49.7M raised across 2 rounds.
- Where is Istari headquartered?
- Istari is headquartered in Arlington, US.