/Investor DB

Card Sound Capital

Private equity

Denver · Seed–Growth · 1 people tracked

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Investment thesis

Card Sound Capital pursues a concentrated, relationship-driven investment strategy focused on building enduring businesses through aligned ownership, disciplined decision-making, and active operational involvement. The firm partners with founders, management teams, and stakeholders who share a long-term perspective, emphasizing sustainable growth, prudent capital deployment, and durable value creation over short-term results. It invests across a select set of industries where experience and conviction provide an edge, offering flexible capital solutions across the capital structure including structured equity and debt financing. This flexibility lets the firm support businesses when traditional capital markets are constrained. Through its subsidiary Jackson Sports Ventures, the firm also holds strategic positions across professional sports franchises, leagues, sports technology, and entertainment assets.

Source: firm website, verified Aug 27, 2026.

Stage
Seed–Growth
HQ
Denver, US
Instruments
Equity · Debt
Founded
2013
Tracked investments
3
Unicorns
1

Team · 1 people

from public directories
Jake Jackson· Founder and Managing Partnerin

What they invest in

from 2 of 3 portfolio companies

AI & Machine Learning ×1Circular Economy ×1Cleantech ×1Climate Tech ×1Cloud Computing ×1New Materials ×1Semiconductors ×1

HQs:United States×1

Investments · 3 tracked

founders shown can be your intro path
Circcirc.earthinJul 2022 · $30M✓ verified

Circ develops recycling technology that breaks down textile waste, including poly-cotton blends, to recover fibers for producing new materials such as pulp used by fiber manufacturers and apparel brands.

Circular EconomyCleantechClimate TechNew Materials

Peter Majeranowski(Chief Executive Officer)in

Co-investorsAlante CapitalBreakthrough Energy VenturesCirculate CapitalEnvisioning PartnersLansdowne PartnersMarubeni+6 more

Groq Incgroq.comin𝕏

Groq designs and manufactures the LPU (Language Processing Unit), a chip purpose-built for AI inference, and operates GroqCloud, a platform for running inference workloads with low latency and cost efficiency across global data centers.

AI & Machine LearningCloud ComputingSemiconductorsPalo Alto, US

Jonathan Ross(Founder)inDouglas Wightman(Founder)

BoardChamath Palihapitiya(Director)in

Co-investorsAccess Ventures (New York)Acequia Capital (AceCap)Alumni VenturesAxiom PartnersB CapitalBanca Investis — Family Office+75 more

Other

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

Jackson Sports Ventures

Portfolio news

latest coverage across their companies
Groq Raises Another $650M

Groq Inc · groq.com · Jun 22, 2026

Frequently asked questions

What stage does Card Sound Capital invest at?
Card Sound Capital invests at the Seed, Series A, Series B, Growth stages.
What sectors does Card Sound Capital focus on?
Card Sound Capital focuses on Media & Entertainment, Sector Agnostic, Sports Tech.
Where is Card Sound Capital located?
Card Sound Capital is headquartered in Denver, US.

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