🦊/Investors

Black Opal Ventures β€” Full Portfolio

24 tracked investments Β· listed companies and verified rows first

Cerebras Systemscerebras.aiin𝕏NASDAQ: CBRS

Cerebras designs and manufactures wafer-scale AI processors and systems for data centers, enabling high-speed AI training and inference workloads.

AI & Machine LearningDeep TechHardwareSemiconductorsSunnyvale, US

Andrew Feldman(Chief Executive Officer and Co-Founder)inGary Lauterbach(Chief Technology Officer, Emeritus and Co-founder)inMichael James(Chief Architect, Advanced Technologies and Co-Founder)inSean Lie(CTO and Co-Founder)inJean-Philippe Fricker(Chief System Architect and Co-Founder)in

Co-investors2080 VenturesAurum Venture PartnersB CapitalCongruent VenturesDisruptive VenturesEclipse Ventures+13 more

Twist Biosciencetwistbioscience.comin𝕏NASDAQ: TWST

Twist Bioscience develops a silicon-based synthetic DNA manufacturing platform that produces high-quality DNA, genes, and NGS reagents for customers in medicine, agriculture, and industrial chemicals.

BiotechDeep TechSemiconductorsSouth San Francisco, US

William Charles Banyai(Executive Officer, Director, Promoter)Bill James Peck(Executive Officer, Promoter)Emily Leproust(Founder)inEmily M. Leproust(Chief Executive Officer and Chair of the Board)inPatrick Finn(President and Chief Operating Officer)inAdam Laponis(Chief Financial Officer)in

Co-investors+ND Capital3E Bioventures CapitalARCH Venture PartnersAsset Management CompanyBay City CapitalDentsu Ventures+8 more

Eridueridu.aiin𝕏Mar 2026βœ“ verified

Eridu develops networking infrastructure optimized for artificial intelligence workloads.

AI & Machine LearningCloud ComputingDeep TechHardwareSaratoga, US

Drew Perkins(CEO and founder)inBrian Kinard(Executive Officer)in

BoardJagdeep Singh(Director)Dipender Saluja(Director)Wen Hsieh(Director)inChristian Gallagher(Director)

Co-investorsBosch VenturesCatapult VenturesMatter Venture PartnersOUP (Osage University Partners)Socratic PartnersZelda Ventures+13 more

AuthMindauthmind.cominApr 2025 Β· $19.3M

AuthMind develops an AI-powered identity security platform that identifies and prevents identity access risks across on-premises and cloud applications, targeting enterprise organizations.

AI & Machine LearningCloud ComputingCybersecurityEnterprise SoftwareBethesda, US

Shlomi Yanai(Co-Founder and CEO)inAnkur Panchbudhe(Co-Founder and CTO)inShlomo Yanay(Executive Officer, Director)Ankur Purushottam Parchbudhe(Executive Officer, Director)

BoardJacob Seid(Director)

Co-investorsBallistic VenturesCheyenne VenturesBlu Venture InvestorsK2 Access Fund

Darwinthesislabs.aiin𝕏Apr 2026 Β· $13.5M

Thesis is an AI research lab that automates AI research and development through autonomous experimentation.

Advanced ManufacturingAI & Machine LearningDeep TechEnterprise SoftwareRoboticsSan Francisco, US

Sergio Charles(Founder/CEO)inLuigi Charles(Founder)in

Co-investorsY CombinatorCRV (Charles River Ventures)Oak HC/FT

Empaticaempatica.comin𝕏Jul 2022

Empatica offers an FDA-cleared health monitoring platform combining medical wearables and digital biomarkers to collect continuous, clinical-quality health data from daily life.

AI & Machine LearningDigital HealthHealthtechMedical DevicesCambridge, US

Rosalind Picard(Founder and Director of the Affective Computing Group at the MIT Media Lab and Faculty Chair, MIT Mind+Hand+Heart Wellbeing Initiative)inMatteo Lai(Executive Officer, Director)inSimone Tognetti(Director)inLen Picard(Executive Officer, Director)inMario Scuderi(Director)

Co-investorsCDP Venture CapitalRA CapitalSanofi Ventures

Healthier Capitalhealthiercapital.comDec 2024 Β· $35M

Healthier Capital is a venture capital firm that invests in technology-enabled healthcare companies seeking to reduce costs and improve care delivery.

Digital HealthFintechHealthtech

Amir Dan Rubin(CEO and Founding Managing Partner)in

Co-investorsModi VenturesDefine VenturesHealthier CapitalMacquarie CapitalMaverick VenturesOncology Ventures+2 more

Hyrohyro.aiMay 2023 Β· $20M

Plug-and-play conversational AI platform enabling voice and chat interactions with information across digital channels.

Israel Krush(Founder & CEO)inRom Cohen(Founder)in

Co-investorsDefine VenturesDorm RoomEntrepreneurs Roundtable Accelerator (ERA)Hanaco Venture CapitalHealthier CapitalK20 Fund+7 more

Isaacisaacantisismica.cominAug 2025 Β· $10.5M

ISAAC provides an active, non-invasive structural protection system based on a patented Active Mass Damper installed on building roofs to improve seismic safety and vibration control with real-time monitoring.

Construction TechIoTPropTech

Co-investorsAxon Partners GroupNovaCapitalAirAngelsB CapitalFlare Capital PartnersIndustry Ventures+3 more

Isaac Healthmyisaachealth.comin

Isaac Health provides virtual, interdisciplinary care for people experiencing memory and thinking changes, staffed by board-certified neurologists, geriatric specialists, neuropsychologists, speech-language pathologists, and care navigators.

Digital HealthHealthtechLongevity

Julius Bruch(Founder & CEO)inJoel Salinas(Founder)in

Co-investorsAurum Venture PartnersB Capital GroupB4 CapitalFlare Capital PartnersMeridian Street CapitalVU Venture Partners+4 more

Oathoath.voteOct 2025 Β· $24M

Political donor advising platform that directed over $37 million and 300,000 donations to 750+ candidates in 2024.

Brian Derrick(Founder)in

Co-investorsHigher Ground LabsMcKesson VenturesRackhouse Venture Capital

Optellumoptellum.com

Optellum builds an AI-powered platform for early lung cancer diagnosis, helping thoracic care teams and health systems discover, track, and assess the malignancy risk of lung nodule patients.

AI & Machine LearningHealthtechMedical Devices

Co-investorsIntuitive VenturesIQ CapitalMercia VenturesOutsized Ventures

Paragraf - companyparagraf.comin𝕏Apr 2023

Paragraf develops graphene-based electronic devices, including molecular sensors (electrolyte-gated field-effect transistors) for biosensing and chemical sensing, and Hall effect sensors for current, position, and magnetic field measurement at cryogenic temperatures.

Deep TechNew MaterialsSemiconductorsCambridgeshire, GB

Simon Thomas(Chief Executive Officer of the issuer.)in

Co-investorsAmadeus Capital PartnersCambridge Angels groupEMV CapitalIn-Q-TelIQ CapitalMartlet Capital+4 more

Thesis Carethesiscare.comin

Thesis Care provides clinical support services to healthcare organizations using technology to enable high-value work at scale, helping improve patient outcomes and experience.

AI & Machine LearningDigital HealthEnterprise SoftwareHealthtech

Niren Gandra, MD(CEO, Co-Founder)Aditya Pandyaram(CPO, Co-Founder)inNiren Gandra(CEO, Co-Founder)in

Co-investorsCRV (Charles River Ventures)Oak HC/FT

TigerGraphtigergraph.comin𝕏

TigerGraph provides a graph analytics platform designed to reveal relationships and connections across data that traditional analytics tools miss, supporting deep multi-hop queries.

AI & Machine LearningData & InfrastructureEnterprise SoftwareMilpitas, US

Yu Xu(Founder & CEO)in

Co-investors11.2 CapitalCelesta CapitalCelesta CapitalDCVC (Data Collective)Eastlink Capital PartnersMundi Ventures+6 more

Other

Tracked investments with no reachable website or further public details β€” typically companies that wound down, renamed, or were absorbed.

BlazeChamberConceivabeFlyteHealthGV20IntellihealthOutpaceParasailSequans

Rows marked β€œSEC filing” are inferred from directors named on the company's SEC Form D β€” public regulatory data, not a portfolio list published by the firm.