Eccentric Machines, Inc.
Actuation & motion-control hardware plus the embedded real-time control layer (joint-level actuator modules with on-joint sensing and distributed multi-joint coordination) sold to robot builders one layer below the OEM. · United States
Eccentric Machines is building Sentor, an AI-native actuator architecture that pushes reflex-like motion control down into the robot joint.
An actuator architecture rather than a robot: an integrated joint module (motor, transmission and control electronics) with on-joint sensing plus a control layer that coordinates multiple joints in real time, so a robot reacts to unexpected loads at the joint instead of routing every correction through its central AI model. Positioned as a component/subsystem for robot builders, designed for manufacturability, with new behaviors delivered in software rather than by swapping hardware.
Research mapping
Physical AI / Actuation & Motion Control (L8) / Actuation & motion-control hardware plus the embedded real-time control layer (joint-level actuator modules with on-joint sensing and distributed multi-joint coordination) sold to robot builders one layer below the OEM.
Evidence boundary
Original analysis and independent corroboration remain under development. Commercial scale and durable technical advantage remain under review.
What makes it defensible
The actuator — motor, transmission and control electronics at every robot joint — is the binding constraint on how much force a robot applies, how fast it reacts, how precisely it moves, how long it runs on a battery and what it costs to build. Most robots still use actuators adapted from industrial automation: heavy, stiff, and tuned to repeat one motion inside a cage, so improving models can plan motions the hardware cannot execute.
Position in the stack: Upstream component and subsystem supplier to robot OEMs and integrators — sells joint actuator modules and embedded motion-control software into arms, legs, grippers, humanoids and mobile robots; does not sell a finished robot or fleet software.
Who buys it
Founding team
Yaniv Sarig — Co-founder & CEO — Previously co-founder/CEO of Aterian (Nasdaq: ATER, formerly Mohawk Group); Global Head of AI Commerce at Interpublic Group (2024–2026); earlier software engineer at Bloomberg; IDF special forces.
Grant Kenji Larsen — Co-founder; listed on Form D as executive officer, director and promoter (title not publicly stated) — Hardware/mechanical inventor named on multiple US patents (Whammy Inc., Solaria Systems/Circadian OS, Be The Change Labs); assignor of the patent application later assigned to Eccentric Machines.
Ashley Covington — Co-founder & COO — Previously COO and member of technical staff at Solaria Systems; earlier QA/software test roles at ViacomCBS and Citymaps; Brown University.
SEC Form D (https://www.sec.gov/Archives/edgar/data/2141182/000214118226000001/primary_doc.xml) lists Sarig, Larsen and Covington as executive officers/directors/promoters; titles and backgrounds from LinkedIn profiles (https://www.linkedin.com/in/yaniv-sarig, https://www.linkedin.com/in/ashleymcovington) and New York Tech profile (https://newyorktech.com/people/yaniv-sarig).Financing detail
- Last round
- $5M Seed (Jun 2026)
Investors: RoboStrategy, Inc. (Nasdaq: BOT) — lead, $3.0M Series Seed Preferred, Machine Spirit Capital, All Together (All Together Capital)
Mapped funds and investors
Direct relationships supported by published evidence.
Reported holdings as-of
No sourced relationships mapped yet.
Disclosed investment history
No sourced relationships mapped yet.
Showing up to four relationships in each group. ETF weights describe the fund’s portfolio, not ownership of this company. Private investment history does not establish current ownership.
Evidence & media
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Portfolio: Eccentric Machines (Machine Spirit Capital)
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Portfolio: Eccentric Machines (All Together)
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RoboStrategy 424(b)(3) Supplement No. 1 — portfolio as of 2026-07-31
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Shareholder Letter — August 2026 (Andrew Kang)
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3 American Humanoid Robot Companies To Invest In: RoboStrategy CEO
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Timeline
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Media
Forbes: RoboStrategy led Eccentric Machines' pre-seed
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Product
RoboStrategy shareholder letter names the product: Sentor
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Financing
RoboStrategy discloses a $3.0M lead position in the Series Seed
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Media
AlleyWatch reports the $5M raise for a stealth NYC AI startup
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Financing
Form D: $5,000,000 sold to 4 investors
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Financing
Date of first sale in the $5.0M Series Seed offering
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Governance
US patent application assigned to Eccentric Machines, Inc.
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Governance
Incorporated in Delaware as Eccentric Machines, Inc.
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