Key Takeaways
- • Brian Singerman's GPx venture fund has backed Silent Ventures' $85M Fund II, a defense and deep tech focused early-stage investment vehicle run by solo GP Jackson Moses.
- • Silent Ventures' $85M raise represents significant institutional capital flowing into the defense tech venture ecosystem, with GPx serving as a major anchor investor.
- • GPx, Singerman's hybrid VC fund, has deployed capital across the emerging defense technology sector alongside traditional venture allocations following Singerman's departure from Founders Fund.
- • The transaction underscores growing institutional appetite for defense tech venture platforms, particularly those with early-stage deal sourcing and execution capabilities in mission-critical infrastructure and warfighter technologies.
Summary
Brian Singerman's GPx venture fund has committed capital to Silent Ventures' $85M Fund II, marking a significant institutional backing for the defense and deep tech-focused early-stage venture platform. Silent Ventures, managed by solo general partner Jackson Moses, completed the fundraise with GPx as a major investor, according to exclusive reporting from Tectonic Defense dated August 19, 2026.
The investment reflects Singerman's strategic positioning within the defense technology sector following his transition from Founders Fund to establish GPx, a hybrid venture vehicle with over $500M in commitments. Singerman's backing of Silent Ventures signals confidence in the defense tech venture thesis and Moses' investment approach within an increasingly competitive space for capital allocation in dual-use and indigenous defense innovation.
Silent Ventures has emerged as a notable player in the defense venture landscape, with demonstrated expertise in identifying and backing early-stage companies addressing critical warfighter needs and emerging technological domains. The $85M Fund II capitalization positions the platform to continue aggressive deployment across defense hardware, software, and autonomous systems categories, complementing the broader ecosystem activity witnessed across the sector in 2026.
The transaction sits within a broader context of institutional capital targeting defense innovation, including concurrent rounds for companies such as Neros ($250M co-led by Sequoia), Aevex's maritime expansion through acquisition, and numerous government contract awards to defense tech portfolio companies. GPx's participation validates Silent Ventures' thesis and differentiates its fund as an institutional-caliber vehicle within the early-stage defense venture market.
The investment reflects Singerman's strategic positioning within the defense technology sector following his transition from Founders Fund to establish GPx, a hybrid venture vehicle with over $500M in commitments. Singerman's backing of Silent Ventures signals confidence in the defense tech venture thesis and Moses' investment approach within an increasingly competitive space for capital allocation in dual-use and indigenous defense innovation.
Silent Ventures has emerged as a notable player in the defense venture landscape, with demonstrated expertise in identifying and backing early-stage companies addressing critical warfighter needs and emerging technological domains. The $85M Fund II capitalization positions the platform to continue aggressive deployment across defense hardware, software, and autonomous systems categories, complementing the broader ecosystem activity witnessed across the sector in 2026.
The transaction sits within a broader context of institutional capital targeting defense innovation, including concurrent rounds for companies such as Neros ($250M co-led by Sequoia), Aevex's maritime expansion through acquisition, and numerous government contract awards to defense tech portfolio companies. GPx's participation validates Silent Ventures' thesis and differentiates its fund as an institutional-caliber vehicle within the early-stage defense venture market.
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