Robinhood Ventures Fund I Invests $75 Million in OpenAI
Robinhood Ventures Fund I has invested approximately $75 million in OpenAI, according to a press release. The purchase of common stock took place on April 17, 2026, marking one of the fund’s largest investments to date.
Robinhood Ventures Fund I, trading on the New York Stock Exchange under the symbol RVI, provides retail investors access to a portfolio of private companies. The fund’s holdings now include Airwallex, Boom, Databricks, ElevenLabs, Mercor, Oura, Ramp, Revolut, Stripe, and OpenAI.
Unlike traditional private market funds, RVI allows individual investors to participate without accreditation or investment minimums. Robinhood Ventures, the investment adviser for RVI, is a subsidiary of Robinhood Markets, Inc.
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Tensordyne Napier: What If One Rack Could Do the Work of Nine?
Tensordyne
This Tensordyne whitepaper presents Napier, an inference-focused AI processor and rack-scale system based on the company’s TDN Math logarithmic number system. It examines infrastructure requirements for large mixture-of-experts and agentic models, compares major inference architecture approaches, and details the TDN AIP processor, TDN72 pod, TDN Link fabric, and Napier Ultra configuration. The paper reports simulation-based performance, cost, and accuracy-validation results, including Tensordyne’s projected comparison of one Napier rack with a nine-rack Nvidia Rubin plus Groq deployment; the chip is reported as taped out and in fabrication.
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