/Investor DB

15th Rock — Full Portfolio

52 tracked investments · listed companies and verified rows first

Pacific Metapacific-meta.co.jpin𝕏✓ verified

Pacific Meta is a Japanese consulting group that supports companies with Web3 and blockchain business development, from strategy design through development and operations.

AI & Machine LearningCrypto & Web3Enterprise SoftwareFintechTokyo, JP

Kousei Sho(Co-Founder)inKazuhito Azechi(Co-Founder)inYusuke Miyake(Co-Founder)Shota Iwasaki(代表取締役 (Representative Director / CEO))in

Co-investorsDIMENSIONEast VenturesHyperithm

株式会社ベター・プレイスbpcom.jp𝕏✓ verified

Better Place (ベター・プレイス) is a Japanese company founded with a mission to contribute to making the world better through meaningful encounters and positive influence.

FintechFuture of WorkHR TechSaaSTokyo, JP

Morimoto(Representative (CEO))森本 新士(代表取締役社長CEO)

Co-investorsIwagin Mirai InvestmentIyogin CapitalOita Venture CapitalUTokyo Innovation Platform Co. Ltd.Dual Bridge CapitalHokuhoku Capital+6 more

Amtechnologiesamtechnologies.com

AMT develops automated vapor smoothing systems that seal and smooth powder-bed (MJF, SLS, SAF, HSS) and FDM 3D printed polymer parts in a single cycle, along with finishing agents and automation for unattended production.

Advanced ManufacturingDeep TechHardware

Bloom Lifebloom-life.comin𝕏

Bloomlife is a maternal health company founded after its co-founder experienced a high-risk pregnancy, aiming to improve access to information and change how maternal care is delivered.

Digital HealthFemTechHealthtechSan Francisco, US

Julien Penders(Co-founder)inEric Dy(Founder)inYoung Sohn(Director)Max Mirgoli(Director)Lucio Lanza(Director)

BoardUriridiakoghene Onovakpuri(Director)

Co-investorsAct One VenturesForeground CapitalGATHER VENTURESHealthtech CapitalNextbluePallasite Ventures+8 more

Canaerycanaery.comin

Canaery develops a nose-computer interface that combines animal olfaction with neurotechnology and AI to detect substances and diagnose diseases.

AI & Machine LearningBiotechDeep TechHardwareMedical Devices

Gabriel(Chief Executive Officer)Peter(Chief Technology Officer)

BoardDmitry(Chief Science Advisor)

Co-investorsFlorida Opportunity FundGood News VenturesNYU Innovation Venture FundBreakout VenturesDolby Family VenturesKdT Ventures

Cellidcellid.cominFeb 2025 · $13M

Cellid is a fabless company developing AR glasses displays (waveguides) and spatial recognition engines for next-generation devices.

AI & Machine LearningDeep TechHardwareRoppongi, JP

Ken Shirakami(Representative Director & CEO)SATOSHI SHIRAGA(Founder)inKen Shiragami(Representative Director & CEO)

Co-investorsGlobal BrainTechstarsTEL Venture Capital, Inc.Development Bank of JapanFFG Venture Business PartnersIMM Investment+2 more

Degas 🇯🇵degasafrica.com

Degas combines farmer financing with artificial intelligence to design solutions addressing poverty, food security, and climate resilience, serving smallholder farmers in Africa and Asia.

AgTechAI & Machine LearningClimate TechFintechImpact & Social GoodJapan, ZA

Doga Makiura(Founder)in

Co-investorsHakuhodo DY VenturesInclusion Japan

eGenesisegenesisbio.comin

eGenesis uses gene editing and genome engineering to develop porcine donor animals for cross-species organ transplantation, addressing organ failure treatment and transplant supply constraints.

BiotechDeep TechMedical Devices

Mike Curtis, Ph.D.(President & Chief Executive Officer)George M. Church(Founder)Luhan Yang(Founder)

Co-investorsAlta PartnersAltium CapitalEisai Innovation, Inc.Fresenius Medical Care VenturesKhosla VenturesLux Capital+1 more

Ejentaejenta.comin𝕏

Ejenta builds an agentic AI platform for connected care that delivers intelligent healthcare solutions to patient homes and manages care for members with chronic conditions like heart failure.

AI & Machine LearningDigital HealthHealthtechSan Francisco, US

Rachna Dhamija(CEO)in

Co-investorsaVentureCity LightTechstarsYamaha Motor VenturesFounders' Co-op

General Sensegeneralsense.comin

General Sense develops detection technology that augments trained detection animals, aiming to identify molecular threats such as narcotics, crop diseases, human diseases, and bioweapons.

BiotechDeep TechDefense TechHardware

Peter Ledochowitsch(CTO & Co-Founder)inWestley Dang(CEO)in

Co-investorsBreakout VenturesDolby Family VenturesDraper AssociatesJuniperKdT VenturesSOSV

Ghoonutsghoonuts.com

Ghoonuts conducts research and development using transcranial electrical stimulation technology.

BiotechDeep TechHealthtech京都市, JP

Co-investorsOval Ventures

Gojo Companygojo.coin

Gojo & Company is a Japan-based financial inclusion group that invests in and operates microfinance institutions, banks, and fintech companies across Asia and Africa to expand access to financial services for underserved clients.

Enterprise SoftwareFintechImpact & Social GoodSaaSTokyo, JP

Taejun Shin(Co-founder, Managing Partner & CEO)Sanjay Gandhi(Co-founder & CIO)inArnaud Ventura(Managing Partner)Kohei Katada(Managing Partner / CFO)Gurol Michael Sari(Chief Operating Officer)Takao Takahashi(Chief People & Inclusion Officer)in

Co-investorsBeyond Next VenturesDIMENSIONFujitsu VenturesGlobis Capital PartnersGMO VenturePartnersHakuhodo DY Ventures+6 more

JIZAIE 🇯🇵jizaie.co.jpSeries A · Mar 2024 · $1M

Co-investorsHiroshima Venture Capital Co. Ltd.Samurai IncubateShizuoka CapitalSumisho Venture Partners

Lifestacklifestack.aiin𝕏

Lifestack builds a productivity platform that integrates biometric and physiological data from wearables to inform scheduling, task prioritization, and daily planning decisions.

AI & Machine LearningConsumerFuture of WorkWellness & Fitness

Nao Yukawa(Founder)in

Longan Vision Corplonganvision.comin𝕏

Longan Vision develops wearable, helmet-mounted thermal imaging systems that provide hands-free situational awareness for people working in dangerous, low-visibility environments.

Deep TechHardwareIoT

Leno Zhao(Founder)inEnzo Jia(Founder)in

Co-investorsInnovative Solutions Canada

Mechasysmechasys.ca

Mechasys develops an XR Projector for the construction industry, providing robotics and advanced layout solutions to improve field productivity and worker efficiency on construction sites.

Construction TechHardwareRoboticsMontreal, CA

Co-investorsGlobal BrainNew Stack VenturesSOSVFondactionGreat Wave VenturesToda

Nextnewworldnextnewworld.co

NEXT NEW WORLD is a Japanese company developing silk protein technology, centered on its patented "Karada Silk" process that turns silk into a water-soluble solution while preserving its nano-scale porous structure for adsorption and cosmetic benefits.

BiotechHealthtechNew MaterialsKiryu, JP

髙嶋 耕太郎(代表取締役CEO)

nobinobi.lifeSeries B · Jan 2025 · $37M

Nobi manufactures intelligent lamps equipped with optical sensors and artificial intelligence to detect falls and monitor health for elderly care in residential facilities and home settings.

AI & Machine LearningHealthtechIoT

Roeland Pelgrims(Founder)inBert De Haes(Founder)Stijn Verrept(Founder)

Co-investorsAngelini VenturesEQT Life SciencesPMVSkystar Capital

Onera Healthonerahealth.comin

Onera Health provides clinical-grade remote diagnostics and monitoring solutions for healthcare professionals, with an initial focus on sleep health.

Digital HealthHealthtechMedical DevicesEindhoven, NL

Co-investorsEQT Life SciencesGimvimec.xpandInnovation Industries

Paradromicsparadromics.comin𝕏Series A · May 2023 · $50M

Paradromics develops a brain-computer interface (BCI) system, with FDA Breakthrough Device Designations for speech decoding and digital device control, and works with academic medical institutions on translational BCI research.

BiotechDeep TechHealthtechMedical DevicesAustin, US

Matt Angle(Founder and CEO)inRon Kelly(Director)Thomas Krummel(Director)Adam Kablanian(Director)

Co-investorsAlpha EdisonAnthropy PartnersATEL VenturesCapital FactoryCloudStone CapitalCoastCap+27 more

ProtonIntelprotonintelligence.comin

Proton Intelligence develops CKM™, a continuous monitoring medical device drawing on biosensing and minimally invasive microdevice technology for clinical use.

Deep TechDigital HealthHealthtechMedical Devices

Co-investorsAIN VenturesLongeVCTenmileSOSV

Ripcordripcord.comin𝕏Apr 2024 · $32M

Ripcord uses robotics and AI to digitize paper documents and extract data, transforming unstructured information into accessible, structured digital files for enterprise use.

AI & Machine LearningEnterprise SoftwareHardwareRobotics

Alex Fielding(Founder)inSam Fahmy(President and CEO)inKevin Hall(Founder)Kim Lembo(Founder)

Co-investorsIcon VenturesKleiner PerkinsAidenlair CapitalCatapult VenturesComet LabsFOG Ventures+11 more

Robust AIrobust.aiin

Robust.AI develops AI and robotics technology with a focus on human-centered design.

AI & Machine LearningDeep TechLogistics & Supply ChainRoboticsVista, US

Anthony Jules(Founder)inRodney Brooks(Founder)inLeila TakayamainGabrielle HalberginMarin Tchakarov(Chief Executive Officer)inGary Marcus(Founder)

Co-investorsEnergy Impact PartnersFontinalis PartnersFuture VenturesJAZZ Venture PartnersMetaplanetPlayground Global+1 more

Siiibo証券株式会社siiibo.com𝕏

Siiibo Securities is an online brokerage firm operating a platform for private placement bond investment and issuance using web-based private placement mechanisms.

FintechTokyo, JP

Kazuki Komura(CEO)in小村 (Komura)(CEO)

Co-investorsAG Capital Co. Ltd.Angel Bridge Co.,Ltd.Beta venture capitalDnx VenturesRelicAozora Corporate Investment

Spiretespirete.com

Spirete is an organization that operates an open innovation program and startup ecosystem development platform, hosting regular events including pitch sessions, expert talks, and networking for early-stage startups and member companies.

AgTechDeep TechEnergyEnterprise SoftwareFuture of WorkSector AgnosticTokyo, JP

Sun Asterisksun-asterisk.com

Sun Asterisk is a digital technology and creative services company that builds products and develops talent across Japan and ASEAN countries.

AI & Machine LearningDeveloper ToolsEdTechEnterprise SoftwareFuture of WorkTokyo, JP

小林 泰平 (Taihei Kobayashi)(CEO)in

Co-investorsSony Ventures CorporationSony Network Communications

TENET 🇯🇵tenet.co.jp

TENET is a Japanese healthcare company building a new type of general-practice clinic that combines AI, online consultation, and comprehensive primary care.

AI & Machine LearningDigital HealthHealthtech

花房 弘也(代表取締役 CEO)佐藤 暁幸(Chief Medical Officer)武田 政則(総合診療クリニック統括責任者)

Co-investorsGMO VenturePartnersHiroshima Venture Capital Co. Ltd.NOW JapanJAFCO Group

Tent 🇯🇵tent-inc.jp𝕏

TENT Inc. builds cloud-based rental and subscription systems for retailers and manufacturers, including a rental platform (Kauriru), a rental-focused inventory management system using RFID and QR codes, and item lending/return tracking tools.

Logistics & Supply ChainRetail TechSaaSTokyo, JP

松田 基臣(代表取締役 (CEO))

Co-investorsJR East Start UP

Whillwhill.inc

WHILL manufactures award-winning mobility scooters and power chairs designed to provide users with increased independence and mobility.

HardwareHealthtechMobility & TransportationRoboticsTokyo, JP

Junpei NaitoinKenji GohoMuneaki FukuokainSatoshi Sugie

BoardShinji Oshige(Director)

Co-investors500 GlobalDG Ventures, Inc.Iwagin Mirai InvestmentMCP Asset ManagementNippon Venture CapitalNTT DOCOMO Ventures+13 more

Yamapyamap.com𝕏

YAMAP is a hiking and outdoor app that shows a user's current location on trail maps even without cell signal, helping prevent getting lost.

ConsumerMobility & TransportationSocial

Co-investorsOita Venture Capital01BoosterSMBC Venture Capital

エネコートテクノロジーズenecoat.com𝕏

EneCoat Technologies develops and manufactures perovskite solar cells (PSCs) and related materials.

CleantechEnergyNew MaterialsKyoto, JP

加藤尚哉 (Naoya Kato)(Representative Director / Executive Officer / CEO)堀内保 (Tamotsu Horiuchi)(Director / Executive Officer / CTO)

Co-investorsGlobal BrainKyoto University Innovation CapitalMIRAI SOUZOUMonozukuri VenturesNippon Venture CapitalWoven Capital

メタジェンセラピューティクスmetagentx.com

Metagen Therapeutics (メタジェンセラピューティクス) is a biotech venture developing fecal microbiota transplantation (FMT) therapies and medical services based on gut microbiome research, including an FMT drug candidate (MGT-006) for ulcerative colitis.

BiotechDeep TechDigital HealthTsuruoka, JP

Taku Nakahara(代表取締役社長CEO (President & CEO))Jun Terauchi(CSO)

Co-investorsDentsu VenturesFast Track InitiativeGlobal BrainMirai Creation FundMIRAI SOUZOUNippon Venture Capital

株式会社PETOKOTOpetokoto.com𝕏

PETOKOTO operates a Japanese-language media site about living with dogs and cats, covering topics like adopting rescue pets, pet-friendly accommodations, cat breeds, and pet goods.

ConsumerDirect to ConsumerMedia & Entertainment

Co-investorsAG Capital Co. Ltd.APOLLO CAPITALBREWColopl NextCyberAgent CapitalGenesia Ventures+2 more

Other

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

Additive Manufacturing TechnologiesAgri-fintech for African smallholder farmersDeMindDigital creative studioIndustrial 3D printer finishing equipmentMaterial WrldNeurotech device for digital scentNext-generation electric wheelchairOnline telemedicine internet hospitalOutdoor equipment rental EC mallPersonal stylist EC mallPet wellness brandQuartersStylealertTdrk Inc.CoTODOROKIWeb3 project strategy consulting firm株式会社stu

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