Most recently, Natural Fiber Welding raised $7.0M in its Early Stage VC (Dec 2025).
- ·The complete investor list: 40 names
- ·Watch Natural Fiber Welding: the Monday email on marks, rounds and moves
Natural Fiber Welding round by round
8 roundsHow much has Natural Fiber Welding raised?
Natural Fiber Welding has raised $248 million across 8 recorded rounds since 2020. The largest was an $8.4 million early-stage round in Jul 2020; the most recent was a $7 million early-stage round in Dec 2025.
Natural Fiber Welding has filed 11 Form Ds with the SEC since 2020, most recently in Jan 2026 ($7 million sold to 2 investors).
Natural Fiber Welding investors
40 investors are on record for Natural Fiber Welding, including US National Science Foundation, Gaingels, United States Department of War and Collaborative Fund. By type, the record holds 8 venture capital firms and 1 angel investor. The early-stage round in Dec 2025 drew 2 investors.
40 investors have backed Natural Fiber Welding.
Frequently asked about Natural Fiber Welding
- How much has Natural Fiber Welding raised?
- Natural Fiber Welding has raised $248.4M in total across 8 recorded funding rounds.
- When was Natural Fiber Welding's last funding round?
- Natural Fiber Welding's most recent recorded round was Early Stage VC in Dec 2025, raising $7.0M.