/Investor DB

Elm Street Ventures — Full Portfolio

34 tracked investments · listed companies and verified rows first

Arvinas Holding Co. LLCarvinas.comin𝕏NASDAQ: ARVN

Arvinas is a biopharmaceutical company developing PROTAC protein degrader therapies, with a pipeline focused on oncology and neurology.

BiotechHealthtechNew Haven, US

Sean Cassidy(Executive Officer)inManuel Litchman(Executive Officer, Director)inRandy Teel(President and Chief Executive Officer; Director)inCraig Crews(Founder)

BoardStephen Squinto(Director)inLiam Ratcliffe(Director)in

Co-investors5AM VenturesAccess BiotechnologyCanaan PartnersConnecticut InnovationsNextech InvestRA Capital+2 more

Allyx Therapeutics, Inc.allyxthera.comin𝕏✓ verified

Allyx Therapeutics is a clinical-stage biopharmaceutical company developing therapies to preserve and protect synapses in people with neurodegenerative diseases.

BiotechDigital HealthHealthtechNew Haven, US

Paul Fonteyne(Co-Founder)inStephen Strittmatter(Scientific Founder)inStephen Bloch(CEO & Co-Founder)inTimothy Siegert(COO, Co-Founder)inTim Siegert, PhD(COO & Co-Founder)Jennifer Gabler(Executive Officer)in

Co-investorsSpring Mountain CapitalConnecticut InnovationsWHIN

Abbratech Inc.abbratech.com

AbbraTech develops a platform technology for the discovery, engineering, and validation of antibodies, targeting disease-relevant proteins that are difficult to address with conventional approaches.

BiotechDeep TechBranford, US

Michael Weiner(Founder)in

Co-investorsConnecticut Innovations

Anceraancera.comin

Ancera develops a software platform for food production that combines analytics, diagnostics, and automation to monitor, predict, and prevent risks such as pathogens and disease.

AgTechAI & Machine LearningFoodTechSaaSBranford, US

Arjun Ganesan(CEO)inHur Koser(Executive Officer, Director)in

BoardUgo DeBlasi(Director)McLeod Christopher(Director)Thomas Livingston(Director)

Co-investorsIAG Capital PartnersLaunchCapitalConnecticut Innovations

AtlasXomicsatlasxomics.comin𝕏

AtlasXomics develops spatial epigenomics tools, spanning chip fabrication, hardware, and bioinformatics, for researchers studying areas such as cancer and systems biology.

BiotechDeep TechHealthtechNew Haven, US

Gregory Ho(Director)Richard Andersson(Director)

BoardKenneth Wang(Investor and entrepreneur (board member))

Co-investorsConnecticut Innovations

CellFEcellfebiotech.comin

CellFE develops microfluidics technology and instrumentation for cell therapy manufacturing, serving biotech researchers and clinical teams.

BiotechDeep TechHardwareMedical DevicesAtlanta, US

Alla Zamarayeva(CEO & Co-founder)inTodd Sulchek, PhD(CSO & Co-founder)Alex Alexeev, PhD(Co-founder)Todd Sulchek(CSO & Co-founder)inAlex Alexeev(Co-founder)in

Co-investorsDynamk CapitalCota CapitalCreative Destruction Lab (CDL)Embark VenturesGreatPoint VenturesM Ventures+1 more

Desmosdesmos.comJan 2012

San Francisco, US

Eli Luberoff(Executive Officer, Director, Promoter)inVan Dyke Billings, III(Executive Officer)

Co-investorsGV (Google Ventures)Kapor Capital

Device42 Inc.device42.comin𝕏Dec 2014

Device42 provides IT asset management and operations software that gives organizations visibility and control over their data center and cloud infrastructure.

Cloud ComputingData & InfrastructureEnterprise SoftwareIoTSaaSTrumbull, US

Rajneesh Jalan(Executive Officer, Director)Raj Jalan(Founder & CEO)in

BoardSteven P. Shwartz(Executive Officer, Director)John Kole(Director)Chris Penner(Director)

Co-investorsAlpine MeridianConnecticut Innovations

Enrichenrichhk.orgin𝕏Apr 2026 · $10M

Enrich HK supports migrant domestic workers in Hong Kong through financial education, wellness programs, and community initiatives.

FintechHR TechImpact & Social GoodWellness & FitnessHong Kong, HK

Suzanne Gendron(Executive Director)inTynna Mendoza(Interim Executive Director)in

Co-investorsAVPN

Enrich Biosystemsenrichbiosystems.comin

Enrich Biosystems develops TROVO, a fluidics-free benchtop instrument that compartmentalizes standard culture plates into thousands of hydrogel microwells for high-throughput functional screening, imaging, and live recovery of cells.

BiotechHardwareHealthtechBranford, US

Qi Zhao(Executive Officer, Director)Dong Wang(Executive Officer, Director)Cynthia Green(Director)

BoardDaniel Wagner(Director)Christopher McLeod(Director)Jay Teich(Director)

Co-investorsConnecticut Innovations

EvolveImmune Therapeuticsevolveimmune.comin

EvolveImmune develops immunotherapy treatments for cancer patients.

BiotechHealthtechMedical DevicesBranford, US

Stephen Bloch(Co-founder and Chief Executive Officer)inDonmienne Leung(Manager)Ian Taylor(Manager)Jay Fine(President, Research and Development)

BoardDerek Yoon(Manager)inJasmina Marjanovic(Manager)in

Co-investorsSolasta VenturesPfizer VenturesPfizer Venture InvestmentsTakeda Ventures

Osmol Therapeuticsosmoltherapeutics.comin

Osmol Therapeutics is a preclinical-stage biotech developing OSM-0205, an intravenous drug intended to prevent chemotherapy-induced peripheral neuropathy (CIPN) and chemotherapy-induced cognitive impairment (CICI) in cancer patients receiving taxane-based therapy.

BiotechHealthtechNew Haven, US

Brian Dixon(Executive Officer, Director)Bob Linke(President & CEO)inRon Weitzman(Chief Medical Officer)

BoardBarbara Ehrlich(Chief Scientific Advisor)

P2 Science, Incp2science.cominOct 2019

P2 Science develops green chemistry platform technologies (including its PIOz ozonolysis and PICE polymerization processes) that convert renewable, plant-based oils into functional intermediates, specialty ingredients, and polymers.

BiotechCircular EconomyCleantechNew MaterialsWoodbridge, US

Paul Anastas(Co-founder)Patrick Foley(Co-founder & President)inNeil A. Burns(Executive Officer, Director)Oihana Elizalde(Chief Executive Officer)inBrian Chan(Chief Financial Officer)inKevin Gallagher(Director)

Co-investorsXeraya CapitalCircular Innovation FundConnecticut InnovationsEmerald Technology Ventures AgHG VenturesSafer Made+2 more

Samara Aerospacesamaraaerospace.comin

Samara Aerospace designs and builds high-performance satellite platforms featuring the Hummingbird satellite bus, which combines pointing stability, agility, and power generation in a compact form for commercial, civil, and national security missions.

Deep TechHardwareSpace TechSuperior, US

Patrick Haddox(Co-founder)inVedant(Founder)in

Co-investorsBalerion Space VenturesGaingelsGeneral CatalystIllinois VenturesMana VenturesTamiami Angel+5 more

Saphluxsaphlux.comFeb 2017

Saphlux develops monolithic full-color micro-LED display technology and quantum dot COB display panels for AR smart glasses, sports intelligence glasses, and large-format business and home theater screens.

Deep TechHardwareSemiconductorsBranford, US

Chen Chen(CEO)

BoardHan Jung(Director)

Co-investorsNXT Ventures

SeeClickFixseeclickfix.comJun 2015

SeeClickFix 311 CRM by CivicPlus is a 311 platform that lets residents report local issues, request repairs, and send feedback or questions to their local government.

GovTechSaaSNew Haven, US

Charles Kampmann Lasater(Executive Officer, Director)Ben Berkowitz(Executive Officer, Director)Miles Lasater(Director)in

BoardMark Jacobsen(Director)

Co-investorsConnecticut InnovationsLaunchCapitalPurpose Built Ventures

Other

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

Accelerated Orthopedic TechnologiesAffomix CorporationArtizan BiosciencesArvinasAxioMx, Inc.BiorelixCybrexa TherapeuticsIconic TherapeuticsKolltanMetagenomixOccam SciencesRetail Optimization Inc.Scribe BiosciencesScrollmotionSharegroveSiduma TherapeuticsStradefy Biosciences

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.