Aventra Defense Systems: Funding, Investors & Team (Oct 2026)
Aventra Defense Systems operates as a defense technology start-up.
Aventra Defense Systems has raised $20.5M across 2 funding rounds on record, the most recent a Series A of $17.5M announced in Oct 2026.
That round is above the $7.6M median round size for United States companies tracked on FundedIQ over the last two years.
Aventra Defense Systems Company Profile and Key Stats
Latest funding round on record: Oct 2026.
Aventra Defense Systems Funding Rounds
Aventra Defense Systems raised $3.0M in a Seed announced in Sep 2025.
1.1 years later, a Series A of $17.5M was announced in Oct 2026.
Aventra Defense Systems Investors
6 investors are recorded in total; the 5 named above are those the record identifies.
Aventra Defense Systems Founders and Leadership Team
Contact details for the Aventra Defense Systems team: 3 of 3 have an email address on file, 3 have a LinkedIn profile.
Start 14-day free trial →Aventra Defense Systems Funding in Context
Aventra Defense Systems' latest round of $17.5M is above the median round in United States. Medians cover the last 24 months of disclosed rounds.
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Aventra Defense Systems Funding FAQs
What does Aventra Defense Systems do?
Aventra Defense Systems operates as a defense technology start-up.
How much funding has Aventra Defense Systems raised?
Aventra Defense Systems has raised $20.5M across 2 rounds on record. The most recent is a Series A of $17.5M announced in Oct 2026.
When did Aventra Defense Systems last raise funding?
Aventra Defense Systems' most recent funding round on record is a Series A of $17.5M, announced in Oct 2026.
Who has invested in Aventra Defense Systems?
Investors on record for Aventra Defense Systems include Booz Allen Ventures, Sands Capital Ventures, Konvoy, Lavrock Ventures, Western Alliance Bank. FundedIQ records 6 investors in total.
Who founded Aventra Defense Systems?
FundedIQ lists Brian Retherford (COO & Co-Founder) at Aventra Defense Systems.
Who is the CEO of Aventra Defense Systems?
Michael Weigand is listed as CEO at Aventra Defense Systems.
Where is Aventra Defense Systems headquartered?
Aventra Defense Systems is based in Vienna, United States.
How many employees does Aventra Defense Systems have?
Aventra Defense Systems is in the 11-50 employee band.
When was Aventra Defense Systems founded?
Aventra Defense Systems was founded in 2025.
About FundedIQ's Aventra Defense Systems Funding Data
FundedIQ tracks announced funding rounds and refreshes this profile every week. Round dates, stages and amounts are normalised to a single format, converted to US dollars, and de-duplicated: two records of the same round announced days apart are merged, and two genuinely different rounds are kept apart on the amounts they disclose. Amounts shown are the disclosed figures only — a round announced without a number is listed and excluded from the total rather than estimated.
Employee counts are reported bands, not exact headcounts. Founder and executive names carry the job title on record. Anything we do not hold for Aventra Defense Systems is left off this page rather than filled in.
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