Greylock is a venture capital firm.
It has taken part in 3 funding rounds across 2 Israeli companies, leading one1,2,3.
Most recent: Upwind’s Undisclosed stage of $300M1, announced Sep 2, 2026.
Israeli rounds
| Sep 2, 2026 | Upwindcybersecurity, cloud | Undisclosed stage | $300M | Participant |
| Mar 5, 2026 | Cylakecybersecurity, ai | Seed | $45M | Lead |
| Jan 26, 2026 | Upwindcybersecurity, cloud | Series B | $250M | Participant |
Israeli portfolio
Who invests alongside Greylock?
Sources
- 1Calcalist (CTech), Sep 2, 2026. “Upwind raises $300 million, more than doubles valuation to $3.8 billion in five months”
- 2CTech, Mar 5, 2026. “Palo Alto Networks founder Nir Zuk unveils new cybersecurity startup Cylake with $45 million in Seed funding”
- 3CTech, Jan 26, 2026. “Cyber startup Upwind joins unicorn club with $250 million Series B at $1.5 billion valuation”
Which Israeli startups has Greylock invested in?
Greylock has invested in Upwind and Cylake.
How many rounds has Greylock led?
Greylock led 1 round of the 3 rounds it joined.
What was Greylock’s most recent Israeli investment?
Upwind’s Undisclosed stage of $300M, announced Sep 2, 2026.