THIRD SPHERE MANAGEMENT, LLC

Overview

Third Sphere Management, LLC operates as a small, privately held investment manager that serves as sponsor, general partner and managing member of pooled investment vehicles. The firm’s activity centers on running private venture capital funds rather than acting as a traditional registered-adviser to retail or high-net-worth advisory accounts. Its public filings identify it as a limited liability company owned by an individual and classified as unclassified for advisory reporting purposes. Third Sphere is not flagged as an active ESG investor, not a multi-state adviser and is not identified as a capital allocator in its snapshot filings. Investment activity is concentrated in venture capital-style commitments. With a cluster of relatively small pooled funds under management, the firm appears to take an active GP role—sourcing deals, structuring pooled vehicles and managing portfolio company oversight—rather than providing discretionary public-market portfolio management. Given the scale of its funds, the strategy profile is consistent with early-stage or seed-focused venture investing, although fund documents would be needed to confirm specific stage or sector tilts.

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