🦊/Investors

Schooner Capital

Crossover fund

Boston · Seed–Late Stage · 16 people tracked

Find your way into Schooner Capital

2,820 people in our graph share verified history with the Schooner Capital team — schools, employers, funds. One of them is your warm intro.

Adam Valkinunlockedknows Peter Binas · together at Harvard University (overlapped)
×4knows the team · via Harvard Business School
×2knows the team · via McKinsey & Company
×3knows the team · via Goldman Sachs
knows the team · via MIT Sloan School of Management
knows the team · via Milton Academy
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Investment thesis

Schooner Capital operates from a permanent, evergreen capital base, investing in both private companies and public securities. It looks across sector, stage and geography, emphasizing independent judgment and contrarian thinking. With a patient approach developed over 55 years, the firm often invests multiple times in its holdings and favors deep, long-term partnerships with strong teams. Its evergreen structure and entrepreneurial roots let it respond to opportunities without mandate constraints or fundraising pressures. Profits support The Schooner Foundation, which is engaged in human rights causes globally.

Invests inSector AgnosticBostonGlobal

Source: firm website, verified Aug 3, 2026.

Stage
Seed–Late Stage
HQ
Boston, US
Instruments
Equity
Founded
1971
Last 12 months
4 investments
Tracked investments
37
IPOs
1
Acquisitions
3

Team · 16 people

from the firm's website

What they invest in

from 33 of 37 portfolio companies

SaaS ×13AI & Machine Learning ×8Biotech ×8Healthtech ×8Enterprise Software ×6Deep Tech ×5Cloud Computing ×4Digital Health ×4

HQs:United States×20Australia×1Canada×1United Kingdom×1Ireland×1

Who they back

founder profiles across 16 portfolio companies
56%
solo founders
9 of 16 mapped founding teams
35%
repeat founders
of 17 founders with career history

Founding team size:solo founder×92 founders×33 founders×34+ founders×1

Where their founders studiedfrom 17 founders with education data

Massachusetts Institute of Technology ×4Technical University of Munich ×2

What their founders studiedfrom 16 founders with field-of-study data

Engineering ×8Business & Management ×2Chemistry ×2Computer Science ×2Economics ×2Life Sciences ×2

Where their founders worked beforefrom 17 founders with career history

Carnegie Mellon University ×2

Investments · 37 tracked

founders shown can be your intro path

By year:2026 · 42025 · 22024 · 12023 · 32022 · 22020 · 113 dated

Cartesian Therapeutics (NASDAQ: RNAC)cartesiantherapeutics.comin𝕏NASDAQ: RNAC

Cartesian Therapeutics is a clinical-stage biotechnology company developing mRNA-based cell therapies aimed at treating autoimmune diseases.

BiotechHealthtechWatertown, US

Metin Kurtoglu(Executive Officer)Omid Farokhzad(Director)Chris Jewell(Executive Officer)inCarsten Brunn(President, CEO & Chairman of the Board)inEmily English(Executive Officer)inBlaine Davis(Executive Officer)in

Co-investorsK2 HealthVenturesMaryland TEDCOTEDCO+ND CapitalPolaris PartnersRUSNANO

4G Clinical4gclinical.comin

4G Clinical builds randomization and trial supply management (RTSM) technology for complex clinical trials, serving biotech, biopharma, and CRO sponsors.

BiotechDigital HealthSaaSDover, US

Edward Tourtellotte(Executive Officer)David Kelleher(CEO)in

Co-investorsGoldman Sachs

Amplifiedamplified.coin𝕏

Amplified helps brands and advertisers measure and optimize the value of consumer attention through data-driven tools and insights.

AdTechAI & Machine LearningData & InfrastructureMarketing TechSaaSAdelaide, AU

Co-investorsTen13Elevate Ventures

Amplified Industriesamplified.industriesin𝕏Mar 2025

Amplified Industries builds wireless sensors and an AI-driven platform for monitoring and optimizing oilfield assets, offering well data capture, pump diagnostics (DynaCard/PumpCard), remote pump-off control, and spill and leak prevention.

AI & Machine LearningEnergyIoTBoston, US

Sebastien Mannai(Executive Officer, Director)inCharles-Henri Clerget(Executive Officer, Director, Promoter)

BoardWilliam Severns(Director)Alexandra Manick(Director)in

Co-investorsArgon VenturesSBXi

Bentobento.netin𝕏Jul 2022 · $8M

Bento operates a dental benefits platform that lets employers, associations, and health plans offer self-insured, customizable dental and vision plans with transparent pricing and AI-enabled real-time claim adjudication.

HealthtechInsurTechSaaS

Ram Sudireddy(CEO & Founder)in

Co-investorsCompanyon VenturesYork IE

Bestdoctorsbestdoctors.comin𝕏acquired by Teladoc Health

Digital HealthHealthtechMental Health

Breezewaybreezeway.ioMar 2026

AI-driven task management software for property managers

Boston, US

Jeremiah Gall(Executive Officer, Director)Jeremy Gall(Founder)in

BoardEd Walters(Director)Jeremiah Doyle(Director)Orhan Gazelle(Director)inSimon Lehmann(Director)

Co-investorsCatalyst InvestorsKrillion VenturesLaunchCapitalTamarisc Ventures

Brixtonbiobrixtonbio.com

Brixton Bio develops Reneurx therapy, a treatment aimed at providing long-lasting pain relief for up to six months from a single administration.

BiotechMedical Devices

Charles Sidoti(Founder)in

Co-investorsAngel Physicians FundExcelestar VenturesFemHealth VenturesSV Health Investors

Capitalprovisionscapitalprovisions.com

Capital Provisions provides office break room and unattended retail services including vending machines, micro markets, coffee, water, and pantry service, using logistics and inventory management technology.

FoodTechLogistics & Supply ChainRetail Tech

Carecubescarecubes.cominMar 2026 · $6.5M

Carecubes provides healthcare facilities with solutions to prevent infectious disease spread while maintaining patient connections to family members.

HardwareHealthtechMedical Devices

Co-investorsLifeforce CapitalVery Serious Ventures

Censinetcensinet.cominJan 2023 · $9M

Censinet provides risk management solutions for healthcare organizations, built by former healthcare operators and security experts who understand the integrated risks healthcare systems face.

CybersecurityEnterprise SoftwareHealthtechSaaSBoston, US

Ed Gaudet(Founder)inCambrey Warein

Co-investorsBallad VenturesExcelerate Health VenturesHLM Venture PartnersMemorialCare Innovation FundExcel Venture ManagementLRVHealth+1 more

Commonwealth Fusion Systemscfs.energyin𝕏May 2020 · $84M

Commonwealth Fusion Systems develops commercial fusion power plants using high-temperature superconducting magnet technology to provide grid-scale energy.

CleantechClimate TechDeep TechEnergyCambridge, US

Brandon Sorbom(Founder)inRobert Mumgaard(Executive Officer, Director)inDaniel Brunner(Executive Officer)inBob Mumgaard(Founder)in

BoardMassimiliano Pieri(Director)Katie Rae(Director)in

Co-investorsAdvection Growth CapitalArmada Investment AGBay Bridge Ventures ClimateBeni Venture CapitalBrainstorm VenturesBreakthrough Energy Ventures+39 more

Congruity360congruity360.comin

Congruity360 provides unstructured data management and governance software for enterprises managing large, dispersed datasets across multiple storage systems.

AI & Machine LearningCloud ComputingData & InfrastructureEnterprise SoftwareFall River, US

Co-investorsFlow CapitalG20 Ventures

Crunchtimecrunchtime.cominAug 2026 · $80M

Crunchtime provides restaurant operations management software for multi-unit and enterprise restaurant brands, covering inventory management, labor and scheduling, operations execution, learning and development, and kitchen management.

AI & Machine LearningEnterprise SoftwareFoodTechSaaSSan Francisco, US

Co-investorsBattery VenturesGolub GrowthDERIVE VENTURESOsage Venture PartnersTen Coves Capital

Cullinan Oncologycullinanoncology.comin𝕏

Cullinan Therapeutics develops clinical-stage T cell engager therapies targeting autoimmune diseases and cancer, leveraging immune modulation expertise to advance high-impact therapeutic candidates.

BiotechDigital Health

Co-investorsLAVLilly Asia VenturesMPM BioImpactTaiho Ventures, LLC

CustomMadecustommade.com𝕏

CustomMade is a custom jewelry design and creation service that works with clients to create bespoke pieces, including bridal, heirloom redesign, and fine jewelry.

B2B MarketplacesConsumerDirect to ConsumerE-commerceDover, US

Seth Rosen(Executive Officer, Director)in

BoardDavid Hauser(Director)Sasha Shusteff(Director)

Co-investorsAtlas VentureFirst Round CapitalFounder CollectiveGV (Google Ventures)Launch CapitalNextView Ventures

Emerald Cloud Labemeraldcloudlab.comin

Emerald Cloud Lab (ECL) provides remote, cloud-based access to a life science research laboratory, letting researchers run and automate experiments and workflows without a physical lab.

BiotechCloud ComputingDeep TechAustin, US

Brian Frezza(Founder)inD.J. Kleinbaum(Founder)in

Co-investorsBlue Ivy VenturesGigafundSoundproof VenturesFounders FundOS Fund

JetCooljetcool.comin𝕏Oct 2023 · $17M

JetCool designs direct-to-chip liquid cooling modules that use microconvective cooling technology to reduce energy consumption, water usage, and carbon footprints in high-power electronics.

CleantechDeep TechHardwareSemiconductorsLittleton, US

Bernard Malouin Jr.(Executive Officer, Director)Jordan Mizerak(Cofounder)inBernie Malouin(Founder & CEO)inAlexandra Manick(Director)inLawrence Fish(Director)

Co-investorsBosch VenturesMassVenturesRobert Bosch Venture CapitalIn-Q-TelRaptor Group

Kewazokewazo.comin

KewaZo builds construction automation technology, including robotic systems for material transport at industrial and construction sites, aimed at reducing crane time and improving safety.

Construction TechHardwareRobotics

Ekaterina Grib(Founder)inArtem Kuchukov(Founder)inLeonidas Pozikidis(Founder)in

Co-investorsBenson CapitalChevron Technology VenturesCybernetix VenturesFifth WallGaingelsMana Ventures+1 more

Kythera Biopharmaceuticalsallergan.comAcquired

Aesthetic-medicine biopharma behind KYBELLA (deoxycholic acid) injection, acquired by Allergan in 2015 for ~$2.1 billion.

Co-investorsAisling CapitalARCH Venture PartnersProspect Venture PartnersALTITUDE LIFE SCIENCE VENTURESFoley VenturesInvus

Mannamanna.aeroApr 2026 · $50M

Manna operates an air delivery service using drone technology to deliver medical equipment, food, and other goods, with plans to reduce traffic and improve air quality in urban areas.

Deep TechLogistics & Supply ChainMobility & Transportation

Bobby Healy(Founder)in

Co-investorsAtlantic Bridge VenturesFf Venture CapitalFrontline VenturesMolten VenturesRadius Capital VenturesTapestry VC+1 more

Mantleheymantle.comJul 2024 · $20M

Mantle provides a business operations platform for app developers and businesses, offering billing, payment pages, analytics, email marketing, and integrations with tools like Stripe and Shopify.

Creator EconomyFintechSaaS

Co-investorsKillick CapitalOpenSky Ventures11.2 CapitalCorazon CapitalCraft VenturesFoundation Capital+2 more

MarginEdgemarginedge.comin𝕏

MarginEdge builds a restaurant management platform that handles invoice processing, inventory, cost tracking, and accounting integrations for restaurant operators.

FintechFoodTechSaaSArlington, US

Roy Phillips(Co-founder, Client Services)inBo Davis(Co-founder & CEO)inBrian Mills(Co-founder & CTO)inEmma Whelan(Chief Financial Officer)inJess Finnefrock(Chief Operating Officer)inTara Clever(Chief Revenue Officer)in

Co-investorsBranded Strategic HospitalityConnetic VenturesDERIVE VENTURESIrishAngelsOsage Venture PartnersTen Coves Capital

Mediasilomediasilo.comin𝕏

MediaSilo is a cloud-based platform for managing, reviewing, and distributing video production assets securely.

Cloud ComputingEnterprise SoftwareMedia & EntertainmentSaaS

PartnerTed Henderson· led

Meilimeili.travel

Meili is a direct ancillary distribution platform that enables airlines and travel brands to offer car rental, hotel and mobility products to travelers.

B2B MarketplacesMobility & TransportationSaaSTravel & Hospitality

Mimetogenmimetogen.com

Mimetogen is a biotechnology company developing novel therapeutics, with a focus on tavilermide for ophthalmic indications including dry eye disease.

BiotechMedical DevicesMontreal, CA

Dr. Brazzell(Chief Medical Officer)François Mongrain(Chief Executive and Financial Officer)inKaren Meerovitch(Sr Vice-President and Chief Development Officer)in

BoardKevin Giese(Executive Chairman of the Board)Steven A. Pepose(Chief Medical Advisor)

Onebeatonebeat.coin𝕏May 2025 · $15M

Onebeat provides AI-powered software that optimizes retail inventory management across the product lifecycle, helping retailers forecast demand, allocate stock, and replenish inventory in real time to increase full-price sales and reduce waste.

AI & Machine LearningRetail TechSaaS

Dr Yishai Ashlag(CEO)inAvihai Shnabel(CBO)inLena Vatmacher(CHRO)inDima Dobrinsky(CTO)in

Co-investorsAnD VenturesMagenta Venture PartnersSurround Ventures

Ottometricottometric.comin𝕏Jan 2023 · $10M

Ottometric provides a cloud-based data platform for developing driver-assistance and autonomous vehicle systems, automating validation workflows and transforming test data into actionable insights for automotive OEMs and suppliers.

AI & Machine LearningData & InfrastructureSaaSWaltham, US

John Curran(Executive Officer)Joseph Burke(Executive Officer, Director)inNick Pandher(Executive Officer)

BoardOrhan Gazelle(Director)inRich Redelfs(Director)inZenas Hutcheson(Director)in

Co-investorsRally Ventures Management, LlcHuntington Angels NetworkProeza VenturesPS27 VenturesTrucks VCSomersault Ventures

Railcommrailcomm.comin𝕏

Tracsis provides computer-aided dispatching solutions for railroad operations, including train control platforms and traffic management systems designed to reduce human error and optimize resource efficiency.

AI & Machine LearningEnterprise SoftwareLogistics & Supply ChainMobility & TransportationSaaS

PartnerPeter Binas· led

Remedy Planremedyplan.comin

Remedy Plan is a biopharmaceutical company developing drugs that target NAMPT, an essential enzyme dysregulated in more than 20 diseases including cancer.

BiotechHealthtechRockville, US

Gregory Plan Crimmins(Executive Officer, Director)

Co-investors20/20 HealthCare Partners LLCAlexandria

Seventhgenerationseventhgeneration.comin

Seventh Generation manufactures plant-based household and personal care products designed to reduce environmental impact and promote sustainable practices.

Circular EconomyCleantechClimate TechConsumerImpact & Social Good

Jeffrey Hollender(Founder)in

Co-investorsRenewal Funds

Spottedriskspottedrisk.comin

SpottedRisk offers insurance, bonding, and lending products tailored to the film and television production industry, working with producers and production companies.

FintechInsurTechMedia & Entertainment

Co-investorsBantam Group

Srsmedicalsrsmedical.com

SRS Medical develops diagnostic and therapeutic technologies for urologic care, specifically for men with Benign Prostate Hyperplasia, using bladder function assessment to guide clinical treatment decisions.

Digital HealthHealthtechMedical Devices

Lee Brody(Chief Executive Officer)Chris Ernster(Vice President of Sales & Marketing)David Mahoney(EVP of New Business Development)

Wavebreaktxwavebreaktx.comin

Wavebreak develops a drug discovery platform targeting amyloid oligomers, toxic protein intermediates implicated in neurodegenerative diseases including Alzheimer's and Parkinson's.

AI & Machine LearningBiotechDeep TechHealthtech

Bart Henderson(President & Chief Executive Officer)in

Co-investorsLifeforce Capital

Zixizixi.comin𝕏acquired by Clearhaven Partners

Zixi provides software solutions for broadcast and live video workflows, serving content owners, broadcasters, service providers, sports organizations, and OTT providers with capabilities for content contribution, satellite replacement, B2B distribution, and direct-to-consumer enablement.

Cloud ComputingEnterprise SoftwareMedia & EntertainmentSaaS

Uri Avni(Co-Founder, CTO)

PartnerTed Henderson· led

Co-investors20/20 HealthCare Partners LLC

Other

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

MillstonemedicalZippity

Exits · 4

1 IPOs · 3 acquisitions · showing 3

Cartesian Therapeutics (NASDAQ: RNAC)NASDAQ: RNACBestdoctorsacq. by Teladoc HealthZixiacq. by Clearhaven Partners

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has Schooner Capital made?
Schooner Capital has 37 tracked investments, 4 of which have exited, including 6 dated in the last 24 months.
What stage does Schooner Capital invest at?
Schooner Capital invests at the Seed, Late Stage stages.
What sectors does Schooner Capital focus on?
Schooner Capital focuses on Sector Agnostic.
Where is Schooner Capital located?
Schooner Capital is headquartered in Boston, US.
Does Schooner Capital lead rounds?
Schooner Capital has led 5 of the 10 rounds where its role is on record.
Who does Schooner Capital co-invest with?
Schooner Capital most often shares deals with 20/20 HealthCare Partners LLC, Lifeforce Capital, Collaborative Fund, among 85 tracked co-investors.
What size deals does Schooner Capital back?
Across 7 deals with disclosed amounts, Schooner Capital has joined rounds of $6.5M – $50M (median $10M).

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