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Israeli Startup Capital: Mega-Rounds and Broken Deals

Cybersecurity veterans and defense innovators command massive rounds while AI founders resist mandatory US relocation.

Signalpoint TeamBrief

Startup

Decart's co-founders chose independence over a $6B payout — establishing that top AI talent can refuse US relocation mandates without sacrificing enterprise momentum.

BackgroundDecart develops specialized machine learning optimization software designed to maximize AI inference speed and compute efficiency per processor. Big Tech acquisitions frequently require key technical founders to relocate to American headquarters.

Points
  1. The proposed $6B buyout would have marked one of the largest acquisitions of an Israeli artificial intelligence startup in history.
  2. Decart co-founders Dean Leitersdorf, Orian Leitersdorf, and Moshe Shalev walked away rather than agree to permanent US residency mandates.
  3. Decart will continue operating as an independent Israeli firm providing enterprise-grade compute optimization for global AI infrastructure.
SourcesGlobes English: Due diligence and move to US derailed Decart acquisition (opens in new tab)

Startup

Covenant's $1B launch signals Silicon Valley's decisive pivot into defense hardware — prioritizing cheap, mass-producible munitions over traditional high-cost military platforms.

BackgroundDefense technology venture funding has surged worldwide as protracted conflicts expose severe shortages of mass-produced, cost-effective precision munitions. Covenant was built to bridge that hardware gap by scaling automated missile production.

Points
  1. Backers include Andreessen Horowitz, Founders Fund, Lux Capital, 8VC, Lightspeed, and Israeli venture firm Aleph, reflecting unprecedented Silicon Valley appetite for defense hardware.
  2. The Anthem cruise missile aims to drastically lower unit costs, enabling Western militaries and allies to maintain sustained inventory stockpiles during extended conflicts.
  3. Covenant employs over 200 personnel and will base partial defense manufacturing in Israel, bolstering local military supply chains.
SourcesThe Times of Israel: Defense startup Covenant unveils low-cost cruise missile, to be partially made in Israel (opens in new tab)CTech: Secretive defense startup Covenant emerges from stealth with $250 million at over $1 billion valuation (opens in new tab)

Startup

Elite cybersecurity founders are commanding late-stage capital at launch — proving investors still pay top dollar for proven Israeli defense talent.

BackgroundCylake was founded in early 2026 by Palo Alto Networks founder Nir Zuk alongside SentinelOne co-founder Udi Shamir. The venture previously secured a $45 million Seed round led by Greylock to build AI-native defensive infrastructure.

Points
  1. Lightspeed, Picture Capital, and Redpoint led the convertible note, valuing the early-stage enterprise security startup at mega-round levels.
  2. The platform targets regulated industries and critical infrastructure, automating threat detection to counter sophisticated AI-driven cyber attacks.
  3. The rapid capital deployment underscores persistent global investor demand for veteran Israeli security founders tackling enterprise defense challenges.
SourcesCTech: Palo Alto Networks founder Nir Zuk raises $245 million for new cybersecurity startup (opens in new tab)Globes English: Nir Zuk's cybersecurity co Cylake raises $245m (opens in new tab)

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