Fund

Lightspeed

Menlo Park · founded 2000 · ~$40B AUM

Backs Castelion (hypersonic missiles) and K2 Space. A generalist fund with a growing defense allocation.

Size

$40B under management

Latest fund: $9B (2025)

As of 2025-12-15 · source

$9B+ across six vehicles closed December 2025.

Runs it

No GP profiled

Pension investors

• California CalPERS
  $860M committed · as of Dec 31, 2025
• Maryland MSRPS
  $310M committed · as of Mar 31, 2026
• Michigan SMRS
  $224M reported value · as of Mar 31, 2026
• Hawaii HIERS
  $180M committed · as of Mar 31, 2026
• Illinois TRS Illinois
  $165M committed · as of Jun 30, 2026

From each pension fund's own documents. Partnerships and sources are on What the pensions hold.

Backs on this map

CastelionK2 SpaceAnthropic

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