Hop Aero

Hop Aero develops hypersonic rocket cargo systems for rapid point-to-point delivery in contested environments.

Robotics and hardware Defense and security Logistics and mobilityY Combinator

Latest funding

$11M Seed · September 30, 2026

Led by Initialized Capital · Source: finsmes.com

Total raised: $11.5M* across 2 sourced rounds

All 3 rounds ↓

Website: hopaero.com.

LinkedIn: linkedin.com.

Categories: Robotics and hardware Defense and security Logistics and mobility.

Sectors: Industrials, Defense.

Stage: Seed.

Based in: Los Angeles, United States.

Total raised: $11.5M* in 2 sourced rounds.

Last round: Sep 30, 2026 · 43 days ago.

Team: 6 people on the team page.

On Recent Funding since: Sep 28, 2026.

Signals

Website registeredSep 5, 2025 (14 months old)

TIMELINE · MONEY RAISED

Hop Aero | 370 days from website to first raise on record

Raised $11M in 1 sourced round·1 signal before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

September 30, 2026
Seed · $11M
IInitialized Capital (lead), JJason Miller, LLunar Ventures, OOutsized Ventures, PPaul Graham, SSystem.One, YY Combinator
Source: finsmes.com
September 10, 2026
Pre Seed · amount undisclosed
YY Combinator (lead), RRebel Fund
Source: ycombinator.com
September 5, 2025
Website created
Date unknown
Round · $500K*
YY Combinator
Source: ycombinator.com

Founders and team

JB
Jacob Balaj Founder
MM
Matija Milenovic Founder

Investors

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Other companies backed by Initialized Capital

FFormic Technologies$50M Series B+ · Oct 2026
GGreptile$50M Series B+ · Oct 2026
RRobocurve$10M Series A · Sep 2026
VValar Atomics$1B Series B+ · Aug 2026
GGuide Labs$9M Seed · Dec 2025
RRoutefusion$26.5M Series A · Oct 2025

Initialized Capital portfolio →

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/hop-aero (get a free API key).