# Flapping Airplanes funding: rounds and investors

> Flapping Airplanes has raised $1.2B across 2 rounds since 2026. Investors include Index Ventures, Sequoia Capital and Google Ventures.

Source: https://millionrounds.com/company/flapping-airplanes (Millionrounds; every figure on the page links to its filing or article)

United States · [Series A startup](https://millionrounds.com/companies)

# Who invested in *Flapping Airplanes*

2 rounds we have observed, with the 16 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

AI Developer Tools

Raised this month

Funding summary Updated 26 Oct 2026

**$1.2B** raised across 2 rounds since 2026, from 17 sources

**$180M** Seed **$1.0B** Series A

- **Latest round:** Series A, $1.0B Oct 2026
- **Led by:** Index Ventures and Lux Capital
- **Step-up i:** 5.6×
- **Investors:** 16 (2 led)

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2026 2027

**$180M** Seed

**$1.0B** Series A

- **First round:** Seed, $180M
- **Biggest round:** $1.0B
- **Between rounds:** 10 months

## The rounds

- **Oct 2026** Series A **$1.0B** *11 new* *3 returning* [Index Ventures](https://millionrounds.com/fund/index-ventures) Lead [Lux Capital](https://millionrounds.com/fund/lux-capital) Lead [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [Google Ventures](https://millionrounds.com/fund/gv) [Kleiner Perkins Caufield & Byers](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) [Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) [NVIDIA](https://millionrounds.com/fund/nvidia) [Valor Equity Partners](https://millionrounds.com/fund/valor-equity-partners) [Kevin Hartz](https://millionrounds.com/fund/a-star-co) [XTX Ventures](https://millionrounds.com/fund/xtx-ventures) [Atreides Management](https://millionrounds.com/fund/atreides-management) [Alphabet's GV](https://millionrounds.com/fund/alphabet-s-gv) [Jump Trading Group](https://millionrounds.com/fund/jump-trading-group) [Sequoia Capital Operations](https://millionrounds.com/fund/sequoia-capital-operations) Reported by Wowtale and 15 others
- **Jan 2026** Seed **$180M** *5 new* [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [Index Ventures](https://millionrounds.com/fund/index-ventures) [Google Ventures](https://millionrounds.com/fund/gv) [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) [Jeff Dean](https://millionrounds.com/fund/jeff-dean) Source recorded SEC filing: $180M sold, first sale Jan 2026

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Seed** 2026 **Series A** 2026 [Index Ventures](https://millionrounds.com/fund/index-ventures) L [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [Google Ventures](https://millionrounds.com/fund/gv) [Lux Capital](https://millionrounds.com/fund/lux-capital) L [Kleiner Perkins Caufield & Byers](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) [Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) [NVIDIA](https://millionrounds.com/fund/nvidia) [Valor Equity Partners](https://millionrounds.com/fund/valor-equity-partners) [Kevin Hartz](https://millionrounds.com/fund/a-star-co)

## Everyone who backed them

[Index Ventures](https://millionrounds.com/fund/index-ventures) VC firm **2** rounds, led 1

[Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) VC firm **2** rounds

[Google Ventures](https://millionrounds.com/fund/gv) Corporate VC **2** rounds

[Lux Capital](https://millionrounds.com/fund/lux-capital) VC firm **1** round, led 1

[Kleiner Perkins Caufield & Byers](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) VC firm **1** round

[Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) VC firm **1** round

[Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) VC firm **1** round

[NVIDIA](https://millionrounds.com/fund/nvidia) Company **1** round

[Valor Equity Partners](https://millionrounds.com/fund/valor-equity-partners) VC firm **1** round

[Kevin Hartz](https://millionrounds.com/fund/a-star-co) VC firm **1** round

[Jeff Dean](https://millionrounds.com/fund/jeff-dean) Angel **1** round

[XTX Ventures](https://millionrounds.com/fund/xtx-ventures) Company **1** round

[Atreides Management](https://millionrounds.com/fund/atreides-management) VC firm **1** round

[Alphabet's GV](https://millionrounds.com/fund/alphabet-s-gv) Growth equity **1** round

[Jump Trading Group](https://millionrounds.com/fund/jump-trading-group) VC firm **1** round

[Sequoia Capital Operations](https://millionrounds.com/fund/sequoia-capital-operations) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=flapping-airplanes).

## Also claim to have backed them

This firm lists Flapping Airplanes as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Fundomo](https://millionrounds.com/fund/fundomo) VC firm Per its own site

## Quick answers about Flapping Airplanes

### Who invested in Flapping Airplanes?

Flapping Airplanes's investors include Index Ventures, Sequoia Capital, Google Ventures, Lux Capital and Kleiner Perkins Caufield & Byers, and 11 more on record. Index Ventures led its latest round.

### How much has Flapping Airplanes raised?

Flapping Airplanes has raised $1.2B across 2 rounds since 2026.

### When did Flapping Airplanes last raise?

Flapping Airplanes's most recent round was a Series A of $1.0B in Oct 2026, led by Index Ventures.

### What was Flapping Airplanes's biggest round?

Its most recent round, $1.0B in Oct 2026, is also its largest on record.

### Who backed Flapping Airplanes first?

Flapping Airplanes's first round on record, in Jan 2026, was backed by Sequoia Capital, Index Ventures and Google Ventures and 2 others.

### What stage is Flapping Airplanes at?

Flapping Airplanes's latest named round is a Series A, in Oct 2026.

### Where is Flapping Airplanes based?

Flapping Airplanes is based in the United States.

### Who led Flapping Airplanes's rounds?

Index Ventures led the Series A in 2026.

## Companies like Flapping Airplanes

In the same sector, and raised in the last eighteen months.

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app
