Funding round
Upwind Series B
Upwind, which works in cloud security platform development in San Francisco, raised $250M in a Series B round announced on 26 Jan 2026, led by Bessemer Venture Partners, at a $1.50B post-money valuation. 7 firms took part. It is Upwind's second venture round on record; the one before was a Series A in Dec 2024.
$250M
Amount raised
$1.50B
Post-money valuation
$1.25B pre-money
7
Investors
1 lead
1.7x
Step-up from the Series A
$900M in Dec 2024
17%
Stake sold
new money over the post-money
Valuation
What this round says about the price
This round priced Upwind at $1.50B after the new money, 1.7 times the $900M of its Series A (Dec 2024). The $250M bought investors about 17% of the company. It came 13 months after Upwind's Series A. It is 38% of the $650M Upwind has raised in the venture rounds on record. Upwind raised again 8 months later: a Series C round of $300M in Sep 2026, at $3.80B post-money.
Upwind's funding rounds
Upwind has 3 venture rounds on record. This one is highlighted.
Investors
Who put money in
Bessemer Venture Partners led the round with 6 other firms.
Lead investor
- Bessemer Venture Partners backs 412 venture-backed companies new investor
Also in the round
- Salesforce Ventures backs 314 venture-backed companies new investor
- backs 5 venture-backed companies new investor
- Greylock Partners backs 190 venture-backed companies new investor
- backs 21 venture-backed companies new investor
- Craft Ventures backs 197 venture-backed companies new investor
- Technology Crossover Ventures backs 86 venture-backed companies new investor
Use of proceeds
What the money is for
According to the announcement, the money goes to product development, geographic expansion, sales and marketing, scaling operations and working capital.
- Product development
- Geographic expansion
- Sales and marketing
- Scaling operations
- Working capital
Comparable rounds
How it compares
575 Series B rounds in Tech Companies within a year either side disclosed an amount; the median was $37M, and this round was 6.8 times the median. The closest in time, other companies' Series B rounds in Tech Companies:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Tech Companies | 13 Jan 2026 | $136M | $1.00B | Bain Capital |
| Tech Companies | 8 Jan 2026 | $80M | not disclosed | HighlandX |
| Tech Companies | 14 Jan 2026 | $60M | $1.00B | DST Global |
| Hydrosat Tech Companies | 15 Jan 2026 | $60M | not disclosed | Hartree Partners and Subutai Capital Partners |
| Tech Companies | 26 Jan 2026 | $60M | not disclosed | Brighton Park Capital |
| Tech Companies | 27 Jan 2026 | $55M | $160M | Octopus Ventures and Movac |
| Tech Companies | 20 Jan 2026 | $55M | $355M | Blackbird |
| Tech Companies | 26 Jan 2026 | $45M | not disclosed | Lightspeed Venture Partners and QED Investors |
Sources
Where this comes from
Reported by 3 sources. The deal data marks this round as not yet confirmed by an official announcement. Unconfirmed
Questions
Frequently asked
How much did Upwind raise in its Series B round?
Upwind raised $250M in its Series B round, announced in Jan 2026.
Who led Upwind's Series B round?
Bessemer Venture Partners led it, with Salesforce Ventures, PictureCapital, Greylock Partners, Cyberstarts and Craft Ventures and 1 more.
What was Upwind's valuation at the Series B round?
$1.50B post-money ($1.25B pre-money).
How does it compare with other Series B rounds in Tech Companies?
575 Series B rounds in Tech Companies within a year either side disclosed an amount; the median was $37M, and this round was 6.8 times the median.
Did Upwind raise again after this round?
Yes: a Series C round in Sep 2026 of $300M at $3.80B post-money.