Funding round
Upwind Series C
Upwind, which works in cloud security platform development in San Francisco, raised $300M in a Series C round announced on 2 Sep 2026, led by Bessemer Venture Partners and Technology Crossover Ventures, at a $3.80B post-money valuation. 9 firms took part, 8 of them already investors. It is Upwind's third venture round on record; the one before was a Series B in Jan 2026.
$300M
Amount raised
$3.80B
Post-money valuation
$3.50B pre-money
9
Investors
2 leads
2.5x
Step-up from the Series B
$1.50B in Jan 2026
7.9%
Stake sold
new money over the post-money
Valuation
What this round says about the price
This round priced Upwind at $3.80B after the new money, 2.5 times the $1.50B of its Series B (Jan 2026). The $300M bought investors about 7.9% of the company. It came 8 months after Upwind's Series B. It is 46% of the $650M Upwind has raised in the venture rounds on record. No later venture round is on record for Upwind.
Upwind's funding rounds
Upwind has 3 venture rounds on record. This one is highlighted.
Investors
Who put money in
Bessemer Venture Partners and Technology Crossover Ventures led the round with 7 other firms. Bessemer Venture Partners, Technology Crossover Ventures, Craft Ventures and Salesforce Ventures and 4 more had backed Upwind before.
Lead investors
- Bessemer Venture Partners backs 412 venture-backed companies existing investor
- Technology Crossover Ventures backs 86 venture-backed companies existing investor
Also in the round
- Craft Ventures backs 197 venture-backed companies existing investor
- Salesforce Ventures backs 314 venture-backed companies existing investor
- Greylock Partners backs 190 venture-backed companies existing investor
- backs 21 venture-backed companies existing investor
- backs 16 venture-backed companies existing investor
- Alta Park Capital existing investor
- backs 23 venture-backed companies new investor
Use of proceeds
What the money is for
According to the announcement, the money goes to scaling operations, sales and marketing and working capital.
- Scaling operations
- Sales and marketing
- Working capital
Comparable rounds
How it compares
140 Series C rounds in Tech Companies within a year either side disclosed an amount; the median was $69M, and this round was 4.3 times the median. The closest in time, other companies' Series C rounds in Tech Companies:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Tech Companies | 23 Sep 2026 | $340M | $900M | Blackbird and General Catalyst |
| Tech Companies | 15 Sep 2026 | $270M | $1.70B | Headline |
| Tech Companies | 25 Sep 2026 | $200M | $1.60B | Smith Point Capital |
| Tech Companies | 28 Sep 2026 | $150M | $1.45B | Fidelity Management & Research Company and Amplify Partners |
| Tech Companies | 9 Sep 2026 | $110M | not disclosed | Silversmith Capital Partners |
| Tech Companies | 15 Sep 2026 | $108M | $1.00B | The General Partnership |
| Tech Companies | 10 Sep 2026 | $70M | $500M | NewView Capital |
| Tech Companies | 30 Sep 2026 | $60M | not disclosed | Insight Partners |
Sources
Where this comes from
Reported by 4 sources.
Questions
Frequently asked
How much did Upwind raise in its Series C round?
Upwind raised $300M in its Series C round, announced in Sep 2026.
Who led Upwind's Series C round?
Bessemer Venture Partners and Technology Crossover Ventures led it, with Craft Ventures, Salesforce Ventures, Greylock Partners, Cyberstarts and Leaders Fund and 2 more.
What was Upwind's valuation at the Series C round?
$3.80B post-money ($3.50B pre-money).
How does it compare with other Series C rounds in Tech Companies?
140 Series C rounds in Tech Companies within a year either side disclosed an amount; the median was $69M, and this round was 4.3 times the median.