🦊/Investors

Stack Capital

Growth equity

Toronto · Growth–Late Stage · 10 people tracked

Find your way into Stack Capital

2,578 people in our graph share verified history with the Stack Capital team — schools, employers, funds. One of them is your warm intro.

James Detweilerunlockedknows Brandon Allen · together at Morgan Stanley (overlapped)
×3knows the team · via PwC
×6knows the team · via Morgan Stanley
knows the team · via TD Securities
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Investment thesis

Stack Capital Group aims to democratize access to private-market investing by allowing everyone — not just institutional investors — to participate in the growth of attractive private businesses. It offers an actively managed and diversified portfolio designed to reduce risk, combined with the liquidity of a TSX public listing and oversight from an experienced, aligned leadership team.

Source: firm website, verified Aug 3, 2026.

Stage
Growth–Late Stage
HQ
Toronto, ON, CA
Instruments
Equity
Tracked investments
17
Unicorns
9
IPOs
1

Team · 10 people

from the firm's website & curated

What they invest in

from 12 of 17 portfolio companies

AI & Machine Learning ×5Enterprise Software ×5Cloud Computing ×4Deep Tech ×3Fintech ×3Data & Infrastructure ×2Energy ×2SaaS ×2

HQs:United States×8Australia×2

Who they back

founder profiles across 13 portfolio companies
38%
solo founders
5 of 13 mapped founding teams
67%
repeat founders
of 33 founders with career history

Founding team size:solo founder×52 founders×13 founders×24+ founders×5

Where their founders studiedfrom 32 founders with education data

University of California, Berkeley ×4Harvard University ×3Massachusetts Institute of Technology ×3University of Toronto ×3Birla Institute of Technology and Science, Pilani ×2Cornell ×2Stanford University ×2The University of Western Australia ×2

What their founders studiedfrom 29 founders with field-of-study data

Computer Science ×18Engineering ×9Business & Management ×4Mathematics & Statistics ×4Physics ×3

Where their founders worked beforefrom 33 founders with career history

Stanford University ×4Google ×3BITS360 ×2Facebook ×2Quiet Logistics ×2

13 founders hold a PhD · 5 hold an MBA (of 30 with degree data)

Investments · 17 tracked

founders shown can be your intro path
Boltbolt.com

Bolt Financial is a San Francisco fintech providing merchants with one-click online checkout software.

Ryan Breslow(Founder)in

Co-investorsActivant CapitalBallistic VenturesBollinger Investment GroupDigital HorizonDigital Horizon VCDreamers VC+22 more

Canvacanva.com

Design platform; Blackbird invested when it was just an idea and in every round since.

SocialSurry Hills, Nsw, AU

Melanie Perkins(Co-founder & CEO)inClifford Obrecht(Executive Officer, Director)Cliff Obrecht(Co-founder & COO)inCameron Adams(Co-founder & CPO)inIan LeeJeffrey Story

Co-investors500 GlobalAirTree VenturesAlkeon InnovationAlpha Square GroupAltra VentureAthletic Ventures+39 more

Crusoe Energycrusoe.aiin𝕏

Crusoe builds energy-first AI infrastructure, using innovative and renewable energy sources to power hyperscale AI factories and a cloud platform for AI workloads.

AI & Machine LearningCloud ComputingEnergyDenver, US

Cully Cavness(Co-founder, President and Chief Strategy Officer)inChase Lochmiller(Co-founder, CEO and Chairman of the Board of Directors)in

Co-investorsAbstract VenturesACTIVATE CAPITAL PARTNERSAdvaita CapitalAir Street CapitalAlkeon InnovationAvenir Growth Capital+34 more

Databricksdatabricks.comin𝕏

Databricks provides a unified platform for data engineering, analytics, and artificial intelligence, enabling organizations to build and deploy data and AI applications on cloud infrastructure.

AI & Machine LearningCloud ComputingData & InfrastructureEnterprise SoftwareSan Francisco, US

Ali Ghodsi(Co-founder & CEO)inIon Stoica(Executive Officer, Director, Promoter)inMatei Zaharia(Executive Officer, Director, Promoter)inReynold Xin(Founder)inPatrick Wendell(Founder)inAndy Konwinski(Founder)in

Co-investors137 VenturesA.Capital VenturesAglae VenturesAlkeon InnovationAltra VentureAmplify Partners+72 more

Hopperhopper.com

Travel technology company partnered with Capital One Travel.

Montreal

Frederic Lalonde(Founder & CEO)

Co-investorsAccompliceBrightspark VenturesCapital One VenturesDream Maker VenturesDrive CapitalInovia Capital+6 more

Locus Roboticslocusrobotics.comin𝕏

Locus Robotics builds warehouse automation using autonomous mobile robots to support fulfillment and logistics operations.

Enterprise SoftwareLogistics & Supply ChainRoboticsAndover, US

Michael Johnson(Executive Officer, Director)inBruce Welty(Executive Officer, Director)inAl Dekin(Founder)inMike Johnson(Founder)inJason Walker(Founder)inRick H. Faulk(Executive Officer)in

Co-investorsDefined VCG2 Venture PartnersNext47Scale Venture PartnersBONDGoldman Sachs+2 more

Openaiopenai.comin𝕏

OpenAI is an AI research and deployment company focused on developing artificial general intelligence (AGI) with emphasis on safety and beneficial outcomes for humanity.

AI & Machine LearningCloud ComputingEnterprise SoftwareSan Francisco, US

Sam Altman(Co-founder & CEO)Elon Musk(Co-founder & former Co-chair / board member)inGreg Brockman(Co-founder & President)inIlya Sutskever(Co-founder & Chief Scientist)inWojciech Zaremba(Co-founder)inJohn Schulman(Co-founder (departed 2024))

Co-investors7BC Venture CapitalA-Rod CorpA.Capital VenturesA'Z AngelsAdvent InternationalAlpha Wave Global+70 more

Postmanpostman.comin𝕏

Postman is an API platform that helps developers build, test, and manage APIs throughout their lifecycle.

AI & Machine LearningCloud ComputingDeep TechDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Abhinav Asthana(CEO and co-founder)inAnkit Sobti(Co-founder)inAbhijit Kane(Co-founder)in

Co-investorsBattery VenturesInsight PartnersNexus Venture Partners83NorthAltra VentureCoatue Management+13 more

Prove Payfoneprove.comin𝕏

Prove offers a business onboarding and verification solution that reduces manual input by validating business entities, EIN/TIN, and documents while connecting an individual applicant to a business through mobile device and phone number authentication.

CybersecurityFintechSaaS

Co-investorsMassMutual VenturesOak HC/FTRelay VenturesRRE VenturesSandbox Industries

PsiQuantumpsiquantum.comin𝕏May 2025

PsiQuantum builds fault-tolerant quantum computers using photonic qubits and semiconductor manufacturing processes.

Deep TechHardwareQuantum ComputingSemiconductorsMoreton Bay, AU

Prof. Terry Rudolph(Co-founder & Chief Architect)Dr. Pete Shadbolt(Co-founder & Chief Scientific Officer)inProf. Mark Thompson(Co-founder & Chief Technology Officer)Jeremy O'Brien(Founder)inVictor Peng(Chief Executive Officer)in

BoardSiraj Khaliq(Director)in

Co-investorsBlackbird VenturesC4 VenturesCold Start VenturesFounders FundFPVHARPER COURT VENTURES+26 more

Shield AIshield.ai

Shield AI develops AI pilot systems for military applications including aircraft, drones, ships, satellites, and submarines.

AI & Machine LearningDefense TechSan Diego, US

Brandon Tseng(President & Co-Founder)inRyan Tseng(President, Co-Founder & Chief Strategy Officer)inAndrew Reiter(Co-Founder)inKingsley Afemikhe(Executive Officer)inGary Steele(Chief Executive Officer)in

BoardKeith Dunleavy(Director)

Co-investors645 VenturesAdvaita CapitalAlpha PartnersAltra VentureAndreessen HorowitzBeyond Capital+34 more

Tmxtmx.comin𝕏

TMX operates global capital and commodity markets and provides digital community platforms and analytic solutions to support the funding and growth of businesses, traders, and investors.

Data & InfrastructureEnterprise SoftwareFintech

Varovaromoney.comin𝕏

Varo is a digital bank offering FDIC-insured deposits, no-fee checking accounts, early direct deposit, credit-building cards, and cash advances to U.S. consumers.

FintechSan Francisco, US

Colin Walsh(Director)inGavin Michael(CEO)inRishi Oberoi(Executive Officer)Marina Gracias(Executive Officer)inElizabeth Gilson(Executive Officer)

BoardDavid Coulter(Director)

Co-investorsDeclaration PartnersEvolution VC PartnersGallatin Point CapitalInvestXNext Legacy PartnersPROOF+5 more

X-Energy Websitex-energy.comin𝕏Jun 2025

X-energy develops advanced nuclear energy technology, including small modular high-temperature gas reactors and TRISO fuel.

CleantechDeep TechEnergyRockville, US

Kamal Ghaffarian(Chairman of the Board)Carter Lawson(Secretary)inJ. Clay Sell(Chief Executive Officer)inLaura Garcia(Treasurer)inSteven Miller(Executive Vice President)

BoardEdward Sonnenschein(Director)in

Co-investorsG SquaredGula Tech AdventuresIBXIndustrious VenturesThe Venture CollectiveEmerson Collective Investing

Other

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

LocusOmio

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has Stack Capital made?
Stack Capital has 17 tracked investments, 1 of which have exited, including 2 dated in the last 24 months.
What stage does Stack Capital invest at?
Stack Capital invests at the Growth, Late Stage stages.
Where is Stack Capital located?
Stack Capital is headquartered in Toronto, CA.
Who does Stack Capital co-invest with?
Stack Capital most often shares deals with Altra Venture, Junipero, Battery Ventures, among 189 tracked co-investors.

Media · Podcasts & interviews

featuring the team

Stack Capital Stock - CEO Interview with Jeff Parks

Blaze Capital · Jeff Parks

Talking FTX, Crypto, and Investing with Jimmy Vaiopoulos from Stack Capital | Episode 010

The Journeycast · Jimmy Vaiopoulos

Images

Stack Capital photo

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