Flapping Airplanes key facts
as of Oct 2026- Operator of a foundational AI research lab intended to explore new frontiers in data model development.
- Flapping Airplanes is valued at approximately $1.5B as of Oct 2026, set at its seed round, Jan 2026; nothing has traded since, per PrivateMarketView’s mark.
- It has raised $180.0M across 1 recorded rounds; the latest was Later Stage VC ($180.2M) in Jan 2026.
- Notable investors include Sequoia Capital, GV, Index Ventures, Menlo Ventures, Jeff Dean — 13 tracked in total.
- 1 investment vehicle was formed to buy Flapping Airplanes shares in the last 12 months, reporting $249K sold to 39 investors, per SEC Form D filings.
- Flapping Airplanes has filed 1 Form D with the SEC, most recently Feb 2026 ($180.2M sold to 79 investors).
- Status: Privately Held (backing).
Valued at $1.5B at its seed round, Jan 2026. Nothing has traded since.
- ·The complete investor list: 13 names
- ·Watch Flapping Airplanes: the Monday email on marks, rounds and moves
Flapping Airplanes funding rounds
1 roundsVehicles formed to buy Flapping Airplanes shares
secondary demand · SEC Form D filingsIn the last 12 months, 1 investment vehicle were formed to buy Flapping Airplanes shares, reporting $249K sold to 39 investors. Most recent filing Mar 2026.
Membership and data by Private Market View
Who backs Flapping Airplanes
13+Membership and data by Private Market View
Flapping Airplanes valuation
Flapping Airplanes was valued at $1.5 billion at its seed round in Jan 2026. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.
How much has Flapping Airplanes raised?
Flapping Airplanes has raised $180 million across 1 recorded round since 2026. The largest was an $180 million later-stage round in Jan 2026.
Flapping Airplanes has filed 1 Form D with the SEC, most recently in Feb 2026 ($180 million sold to 79 investors).
Institutional holders and vehicles
In the last 12 months, 1 investment vehicle was formed to buy Flapping Airplanes shares, reporting $249,000 sold to 39 investors, per SEC Form D filings (most recent Mar 2026).
Flapping Airplanes investors
13 investors are on record for Flapping Airplanes, including Sequoia Capital, GV, Index Ventures and Menlo Ventures. By type, the record holds 5 venture capital firms and 1 angel investor. The later-stage round in Jan 2026 drew 79 investors.
About Flapping Airplanes
Operator of a foundational AI research lab intended to explore new frontiers in data model development. The company focuses on advancing foundational AI technologies with an emphasis on data-efficient model development and fundamental research into learning approaches, explores alternative training paradigms that reduce dependency on massive datasets and compute scale, enabling researchers to learn with efficiency akin to human cognition rather than brute-force training methods.
- Sector
- Business Products and Services (B2B)
- HQ
- San Francisco, CA, United States
- Founded
- 2025
- Employees
- 7
- Website
- flappingairplanes.com/
- Ownership
- Privately Held (backing)
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