LimX Dynamics raises $200 million Series B as JD and SAIC-backed capital bet on its robot operating system
Shenzhen-based LimX Dynamics said on 2 February 2026 it had closed a US$200 million Series B with investors including Stone Venture, JD, Oriental Fortune Capital, CoStone Capital and SAIC-backed Shangqi Capital. The round came three weeks after the launch of LimX COSA, the agentic operating system that runs its full-size humanoid Oli, and the company added a second US$200 million pre-IPO round 162 days later.
Three weeks after it launched software it calls an operating system for robots, LimX Dynamics went to investors and came back with US$200 million. The Shenzhen company said on 2 February 2026 that it had closed a Series B led by no single named investor, with Stone Venture, JD, Oriental Fortune Capital and CoStone Capital joining and existing shareholders Shangqi Capital, NIO Capital and Future Capital following on. The company describes Shangqi Capital as backed by SAIC Motor, which means capital tied to two carmakers, SAIC and NIO, sits on the same register as the e-commerce and logistics group JD.
The size of the cheque is only part of the story. LimX built its pitch around LimX COSA, a three-layer software stack released on 12 January 2026 that the company says lets its humanoid Oli interpret a task, plan it and adjust while it moves, instead of replaying fixed scripts. Whether investors were paying for robots or for that software layer is the question this round raises, and the company's next six months go a long way to answering it.
Two hundred million dollars, no lead and no price
The release named seven investors but did not identify a lead and did not disclose a valuation, the company's statement shows. LimX said the money would go into research and development, global market expansion, product engineering and supply-chain development as it scales sales in China and abroad. It also framed its business around three pillars: robot hardware design and manufacturing, motion-control foundation models and what it calls a physical-world-native agentic OS.
The hardware behind the pitch is specific. Oli, launched on 30 July 2025 and shown at the World Robot Conference in Beijing on 8 August 2025, stands 165 cm and has 31 active degrees of freedom: seven in each arm, six in each leg, three in the waist and two in the neck, according to the company. It is sold in Lite, EDU and Super editions with two-finger grippers or five-finger hands, and LimX says it is currently available only in mainland China, with a global version to follow. TRON 2, the second product named in the release, is a modular platform that can be built as a dual-arm, biped or wheeled-leg robot, with 7-degree-of-freedom arms, a 70 cm reach per arm, 10 kg payload in dual-arm mode, 30 kg in wheeled-leg mode and 100 millisecond teleoperation latency, the product page states.
From a 2022 start-up to a US$400 million year
LimX was founded in January 2022 by Will Zhang and is based in Nanshan, Shenzhen, according to its company page. It lists an angel round in 2022, CNY200 million raised in 2023, an Alibaba-led Series A in 2024 and a strategic investment from JD in 2025, alongside a run of products that began with the W1 wheeled quadruped and the P1 biped and moved through TRON 1 in October 2024 to Oli. The February round was not the end of the year's fundraising. On 14 July 2026 LimX announced a further US$200 million pre-IPO round with IDG Capital, Lens Technology, Redstone VC, WestSummit Capital and Hefei Binhu Industry Development Group among the investors, taking its 2026 total to US$400 million in 162 days, and in May it launched Luna, a 160 cm interactive humanoid priced at RMB298,000 in China.
That pace places LimX in a crowded queue of Chinese robot makers raising and listing at the same time.
Where LimX sits among the year's big robotics cheques
ROBOTNESS records show EngineAI disclosed a US$200 million Series B on 10 April 2026 and D-Robotics, which sells compute chips to robot makers, raised US$400 million in a Series C on 17 September. Unitree listed on Shanghai's STAR Market in August after raising RMB6.1 billion, and UBTech reported selling 921 full-size humanoids in the first half. Outside China the scale is larger: Skild AI raised US$1.4 billion in January and Apptronik US$520 million in February. Among Chinese rounds of US$200 million or more in our data, LimX is the only company to appear twice.
- LimX Dynamics
- CN
- Series B
- 200
- 2026-02-02
- 2022
- EngineAI
- CN
- Series B
- 200
- 2026-04-10
- 2023
- LimX Dynamics
- CN
- Pre-IPO
- 200
- 2026-07-14
- 2022
- D-Robotics
- CN
- Series C
- 400
- 2026-09-17
- No data
- Skild AI
- US
- Series C
- 1400
- 2026-01-14
- 2023
- Apptronik
- US
- Series A-X
- 520
- 2026-02-11
- 2016
Disclosed amounts from company releases as recorded in ROBOTNESS; no estimates. LimX 2026 total = 200 + 200 = US$400m; days between LimX rounds = 2026-07-14 minus 2026-02-02 = 162. Valuations omitted because LimX, EngineAI and D-Robotics did not disclose them.
As of Oct 1, 2026
How COSA divides the robot's brain into three layers
COSA, short for Cognitive OS of Agents, is organised in tiers, the company says. At the bottom sits a whole-body control foundation model that keeps the robot balanced and moving. A middle layer couples planning with low-latency motion so the robot can navigate, avoid obstacles, pick and place and climb stairs. The top layer handles language understanding, task decomposition, memory of people and past interactions, and decisions. The design mirrors the split many labs now use between a slower reasoning model and a fast controller, and LimX's bet is that owning both halves on its own hardware shortens the loop between a spoken instruction and a stable step.
For customers the practical difference is integration work. A factory or retailer buying a humanoid today usually has to script tasks; LimX's claim is that COSA moves that burden into software it maintains. The company has not published third-party benchmarks or customer deployment numbers for COSA, and its January release named no partners.
What the money does not tell us
LimX disclosed no revenue, unit shipments, order book or valuation with either 2026 round. Oli is not yet sold outside mainland China, and the international price of Luna had not been published when the company launched it. The pre-IPO label signals a listing plan, but the company has not named a venue or timetable.
ROBOTNESS analysis
LimX is being financed as a robot software platform that happens to build its own bodies, and the 162 days between its two US$200 million rounds show Chinese capital is now pricing the brain layer, not only unit volume.
The evidence is in the sequencing. COSA launched on 12 January, the Series B closed on 2 February with the operating system at the centre of the pitch, and the July round's stated purpose was to integrate cognition with motion control and scale autonomous deployments to thousands of units. The investor mix supports the reading: JD brings a retail and logistics channel, while SAIC-backed Shangqi Capital and NIO Capital bring carmakers that run assembly plants.
The strongest counter-argument is that every Chinese humanoid maker now describes its software as an operating system, and none of LimX's claims for COSA have been tested in public against rivals. On that view the money follows the category and the IPO window, not a technical lead, and Unitree's hardware-first route to a listing shows that volume still wins investors.
Bull case: COSA becomes the reason buyers choose LimX across three form factors, the July round funds the first deployments in the thousands, and the company reaches a listing with recurring software revenue that Unitree and UBTech cannot show. A listed LimX would then be valued closer to a platform than a hardware maker.
Bear case: without disclosed revenue or shipments, LimX enters a listing queue where hardware makers with audited volumes set the comparables. If COSA cannot be shown to cut customers' integration work, the US$400 million buys a product line competing on price against better-capitalised rivals.
Signals to watch:
- By 31 December 2026, any HKEX or SSE listing application, which would put LimX's first audited revenue and shipment numbers on record.
- By 31 March 2027, a COSA release beyond version 0.5 (15 July 2026) with named customer deployments.
- By 31 December 2026, an overseas launch of Oli or international pricing for Luna, testing demand outside mainland China.
- Series B, US$200 million
- January 2022, Shenzhen
- Oli, 165 cm, 31 active DoF, mainland China only
- LimX COSA agentic OS, launched 12 January 2026
- 2 February 2026
- US$200 million pre-IPO round, 14 July 2026
- Not disclosed
- R&D, global expansion, product engineering, supply chain
- Not named
- Stone Venture, JD, Oriental Fortune Capital, CoStone Capital; existing holders Shangqi Capital (SAIC Motor-backed), NIO Capital, Future Capital
Why it matters
The Series B is the first large Chinese humanoid round of 2026 in which the company put a software layer, not a production target, at the centre of its pitch. LimX launched COSA on 12 January and closed the round 21 days later, and both its release and its later pre-IPO announcement frame the money around joining cognition to motion control. That gives investors a different way to value a Chinese humanoid maker from the unit-shipment yardstick Unitree and UBTech have set.
It also matters for the listing pipeline. A company that calls its July round pre-IPO is signalling it intends to join the queue of Chinese robot makers heading for public markets, and it will do so without the audited volumes its listed rivals can show. How exchanges and investors price a software-led humanoid maker will be decided by companies like LimX over the next 12 months.
Rival analysis
EngineAI is the closest like-for-like comparison in our data: also a Chinese company, founded in 2023, also a US$200 million Series B in 2026 (10 April), also a full-size humanoid maker. The two raised identical sums ten weeks apart, but LimX is the one that put a named operating system at the centre of the round. Unitree, now listed on the STAR Market after raising RMB6.1 billion, is the volume benchmark; UBTech, with 921 full-size humanoids sold in the first half of 2026, is the benchmark for factory and enterprise sales.
Against US software-first rivals the gap is in capital. Skild AI's US$1.4 billion Series C in January was seven times LimX's Series B and is aimed purely at a cross-embodiment model, without its own robot line. LimX sits between the two camps: it builds bodies like Unitree and pitches a brain like Skild, which spreads US$400 million across hardware, models and an operating system at once.
Valuation context
LimX has disclosed no valuation for either 2026 round, so no step-up can be computed. The verified numbers allow two derived metrics. Capital disclosed in 2026 is US$400 million (US$200 million plus US$200 million), raised over 162 days between 2 February and 14 July. The 2023 round the company lists at CNY200 million was therefore smaller in nominal terms than either 2026 round by a wide margin, though the currencies differ and no exchange rate is applied here.
Comparable disclosed valuations in our data are all outside China: Skild AI at US$14 billion post-money after its January Series C and Humanoid at US$1.35 billion after its July Series A. Without a LimX price, those figures frame the range investors pay for robot software and early humanoid hardware respectively, not a LimX estimate.
Supply-chain implications
LimX says it designs and manufactures its own robots, and its use-of-funds statement names supply-chain development explicitly. Oli's 31 active joints and TRON 2's 7-degree-of-freedom arms imply a large bill of actuators, reducers and sensors; the company has not disclosed its suppliers.
The investor list hints at where industrial partners may come from. Shangqi Capital is backed by SAIC Motor, NIO Capital by the carmaker NIO, and Lens Technology, a listed Chinese manufacturer, joined the July round. Whether those relationships turn into component supply, contract manufacturing or factory pilots has not been disclosed, and should be treated as an open question rather than a plan.
Signals to watch
The first signal is a listing application. An HKEX or SSE filing would disclose revenue, gross margin, shipments by product and the share of income from software, which would test the platform thesis directly. We would look for it before the end of 2026 given the pre-IPO label in July.
The second is COSA's version history. Version 0.5 shipped on 15 July 2026; a 1.0 release with named customers would show whether the operating system is leaving the demo stage. The third is international distribution: LimX says a global Oli is coming and that Luna's international price will be disclosed, and either step would show whether the company can sell outside mainland China.
Analyst view
Thesis: LimX is the clearest Chinese test of whether investors will pay a premium for a humanoid maker's software layer before it shows volume. Confidence: medium. The sequencing of COSA's launch and two rounds within 162 days is verified and supports the thesis; the absence of any disclosed revenue, shipments or valuation keeps us from rating it high.
What would change our view: a prospectus showing that hardware sales make up nearly all revenue with no separately priced software would push us toward reading LimX as a hardware maker with a strong marketing story. Disclosed deployments of COSA-driven Oli units at an automotive or logistics customer would push confidence to high.
Questions you should be asking
How much of LimX's revenue today comes from TRON research platforms sold to universities and labs, and how much from Oli and commercial customers?
Is COSA licensed or priced separately from the hardware, and does LimX intend to run it on third-party robots?
Which investors in the February and July rounds have signed commercial agreements, for example with SAIC, NIO or JD sites, and how many units are involved?
Where will LimX list, and on what timetable?