Issue #29September 11, 20269 links

Cognition raises $2.0B at a $48B valuation

Cognition, maker of Devin, raised a $2.0B Series E at a $48B valuation, roughly double its May 2026 mark, against a revenue run rate approaching $900M. Stoke Space raised $1.0B for reusable rockets, and Celero Communications raised a $275.0M Series C for coherent DSPs in AI data center optics.

Dev Tools

github.com

ayghri/i-have-adhd: A skill to stop your coding agent from burying the answer. ADHD-friendly output.

A skill to stop your coding agent from burying the answer. ADHD-friendly output. - ayghri/i-have-adhd

Harness Engineering Claude Code

Cool Company Raises

YC F26

SuperRadiant launches at YC (Fall 2026)

SuperRadiant builds Embodied Scientific Intelligence: general-purpose robotic experimentalists that observe, form hypotheses and run experiments in the physical world. The system automates the full experimental loop while staying flexible enough for real discovery work, adapting to changing protocols and new instruments. Founded in 2026 in San Francisco by Cooper Niu, Benedict Quartey and Owen Tower, with a team drawn from Brown, NASA JPL, Fermilab and CERN. Y Combinator Fall 2026.

Robotics Energy Advanced-Materials YC AI Biotechnology+1 more

$50.0M

Bluecore Energy raises a $50.0M Seed round

Bluecore Energy builds small modular nuclear reactors mounted on floating barges, delivering clean baseload power to ports and the infrastructure around them. Founded in 2026 by Kofi Asante, the company is developing a maritime nuclear system with an initial deployment planned for the Port of Long Beach. The $50M oversubscribed seed round was led by Silverton Partners, with Collab Capital, HartBeat Ventures, Slauson & Co., Harlem Capital and Chris Larsen participating; it closed in eight weeks and follows a $10M pre-seed.

Other Commerce-And-Shopping $50M+

YC F26

ORO AI launches at YC (Fall 2026)

ORO AI runs an open benchmark for agentic commerce: builders submit shopping agents that independent validators score against problems that change daily, the best performers earn rewards on Bittensor, and every run produces training data that feeds back into the next generation. Founded in 2026 in Vancouver by Shardul Bansal (ex-AWS, Crucible Labs) and Seth Schilbe (ex-AWS). Y Combinator Fall 2026.

Artificial-Intelligence Crypto-Web3 Consumer-Products YC B2B

$1.0B

Stoke Space raises a $1.0B round

Stoke Space is a pioneering aerospace company on a mission to build 100% reusable rockets and redefine space mobility. By empowering top industry talent with ownership and innovation freedom, Stoke moves fast, works hard, and delivers breakthrough advancements in reusable launch technology—making space access more sustainable, efficient, and exciting for the future.

Manufacturing Transportation Travel Y Combinator Woven Capital Washington Harbour Partners+8 more

$60.0M

Poseidon Aerospace raises a $60.0M Series A round

Poseidon Aerospace is developing unmanned cargo aircraft for aerologistics, focusing on cost-effective cargo transportation rather than flashy technology. The company is building fixed-wing aircraft powered by conventional combustion engines, including the Egret and its seaplane variant Heron, designed to operate without pilots. Poseidon targets defense and regional commercial cargo markets, with plans to operate its own air cargo business serving routes with degraded infrastructure. The startup emphasizes autonomy and remote piloting to reduce operational costs and enable more flexible, point-to-point cargo delivery.

Transportation Aerospace Drover Ventures Draper Associates Starship Ventures Jaws+4 more

$275.0M

Celero Communications raises a $275.0M Series C round

Celero Communications develops advanced coherent DSP solutions that enable high-bandwidth, low-power optical connectivity for AI infrastructure. Founded in 2024 by industry leaders from Marvell, Inphi, Broadcom, and ClariPhy, Celero combines deep expertise in analog design, digital signal processing, and system architecture to redefine how data centers connect and scale across large AI networks.

Information-Technology Artificial-Intelligence Maverick Silicon Sutter Hill Ventures Capital G Valor Equity Partners+2 more

$2.0B

Cognition AI raises a $2.0B round

Cognition is the maker of Devin, the first autonomous AI software engineer, which plans, writes, tests and ships production code inside existing developer workflows. The company also owns Windsurf. The $2B Series E values Cognition at $48B, roughly double its May 2026 mark, against a revenue run rate approaching $900M.

Software Artificial-Intelligence Machine-Learning $100M+Natural-Language-Processing Information-Technology-Services

$32.0M

Antioch raises a $32.0M Series A round

Antioch moves robotics development and validation out of hardware-in-the-loop rigs and into high-fidelity simulation, calibrating the simulator to a customer's own hardware and running evaluations at cloud scale. It integrates natively with existing CI/CD workflows, bringing test-driven development to autonomy. The $32M Series A was led by Greylock, with A* Capital, Category Ventures, BoxGroup and Icehouse Ventures, plus angels including Palantir CTO Shyam Sankar; total raised is $44.75M.

Software Artificial-Intelligence Robotics $10M+

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