Funding round

Neuralink Series D
Neuralink, which works in brain-computer interface technology development in Fremont, raised $280M in a Series D round announced on 7 Aug 2023, led by Founders Fund. 1 firm took part, 1 of them already investors. It is Neuralink's fourth venture round on record; the one before was a Series C in Jul 2021.
$280M
Amount raised
Not disclosed
Post-money valuation
1
Investors
1 lead
Valuation
What this round says about the price
Neuralink did not disclose a valuation in this round. It came 25 months after Neuralink's Series C. It is 22% of the $1.29B Neuralink has raised in the venture rounds on record. Neuralink raised again 22 months later: a Series E round of $650M in Jun 2025, at $9.60B post-money.
Neuralink's funding rounds
Neuralink has 5 venture rounds on record. This one is highlighted.
Investors
Who put money in
Founders Fund led the round. Founders Fund had backed Neuralink before.
Lead investor
- Founders Fund backs 368 venture-backed companies existing investor
Use of proceeds
What the money is for
According to the announcement, the money goes to hiring, product development, scaling operations and working capital.
- Hiring
- Product development
- Scaling operations
- Working capital
Comparable rounds
How it compares
24 Series D rounds in Medical Supply Manufacturers within a year either side disclosed an amount; the median was $43M, and this round was 6.6 times the median. The closest in time, other companies' Series D rounds in Medical Supply Manufacturers:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Medical Supply Manufacturers | 31 Aug 2023 | $43M | not disclosed | not named |
| Medical Supply Manufacturers | 27 Jun 2023 | $83M | not disclosed | CPMG |
| Medical Supply Manufacturers | 5 Jun 2023 | $35M | $288M | Sprig Equity |
| Medical Supply Manufacturers | 23 May 2023 | $54M | not disclosed | ISALT and Mérieux Equity Partners |
| Medical Supply Manufacturers | 21 Nov 2023 | $40M | not disclosed | Cormorant Asset Management and The Capital Partnership |
| Medical Supply Manufacturers | 24 May 2023 | $26M | not disclosed | ATHOS Biopharma GmbH |
| Medical Supply Manufacturers | 12 Dec 2023 | $50M | $209M | Avidity Partners |
| Medical Supply Manufacturers | 4 Mar 2024 | $42M | not disclosed | EQT and Sectoral Asset Management |
Sources
Where this comes from
Reported by 8 sources.
Questions
Frequently asked
How much did Neuralink raise in its Series D round?
Neuralink raised $280M in its Series D round, announced in Aug 2023.
Who led Neuralink's Series D round?
Founders Fund led it.
What was Neuralink's valuation at the Series D round?
It was not disclosed.
How does it compare with other Series D rounds in Medical Supply Manufacturers?
24 Series D rounds in Medical Supply Manufacturers within a year either side disclosed an amount; the median was $43M, and this round was 6.6 times the median.
Did Neuralink raise again after this round?
Yes: a Series E round in Jun 2025 of $650M at $9.60B post-money.