Cybersecurity / Deep Tech · Corporate VC
S Ventures (SentinelOne)
SentinelOne's $100M strategic fund backs quantum through a 'quantum-secure' lens: Infleqtion (Series C 2025, NYSE: INFQ since Feb 2026) and PsiQuantum (Series E 2025). $1-5M co-investor checks; the real value is cyber GTM and the Singularity ecosystem.
Investment thesis
Strategic CVC of SentinelOne (NYSE: S), a $100M fund launched in September 2022 to back security, data and AI companies that strengthen the Singularity ecosystem; roughly 25 positions including Anthropic, Cohere, Scale AI, Poolside, Replit, Reco and Theom.
Entered quantum in 2025 with two bets framed as 'securing the quantum frontier': Infleqtion (neutral-atom computing and sensing, Series C, Jun 2025) and PsiQuantum (photonic fault-tolerant computing, $1B Series E, Sep 2025).
The Infleqtion bet has already gone public: NYSE listing as INFQ in February 2026 via the Churchill Capital Corp X SPAC (~$540M gross proceeds), making S Ventures a pre-listing strategic holder.
Writes $1-5M checks from pre-seed to growth, always as co-investor alongside top-tier syndicates (BlackRock, Temasek, NVentures, Glynn Capital); the pitch is SentinelOne's enterprise security distribution, not the check size.
Anti-thesis
The patterns that trigger a fast no with this fund.
- Not a quantum investor: two positions out of ~25, both made in 2025 and both already public or pre-IPO; no quantum deal since September 2025 while the fund kept deploying in cyber and AI through 2026
- Strategic filter is 'quantum-secure computing', not quantum science: a hardware startup with no cybersecurity or enterprise-data angle has nothing to anchor the SentinelOne thesis on
- Pure co-investor with $1-5M checks: will not lead, will not price your round, and needs a strong institutional syndicate already in place
- Single LP exposure: the fund is SentinelOne's balance sheet, so deployment pace and follow-ons depend on the parent's priorities
- No PQC or quantum-networking position to date; founders in those subfields are pitching a thesis the fund has talked about but never funded