Key facts
- Flapping Airplanes’s last known valuation is $1.5B (Jan 2026).
- 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).
- ·Post-money valuations for all 1 rounds
- ·The complete investor list — 13 names
- ·Watchlist + deal alerts for Flapping Airplanes
Funding rounds
1 roundsSecondary demand: investment vehicles
from 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. Vehicles like these are how secondary buyers pool demand for a name; a rising count is a demand signal.
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)
Flapping Airplanes doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Flapping Airplanes shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Flapping Airplanes in its N-PORT filings yet. We sweep new filings monthly.