Single-Family Office
Insight to invest.
Patience to stay.
A single-family office partnering with leading managers and founders, allocating capital globally across venture, private equity and alternatives with conviction built from two decades of building and scaling businesses
20+ Fund Investments
20+ Direct Investments
15+ Direct Investments
10+ Co-Investments
10+ Co-Investments
ABOUT US
ISTcapital is a family office-backed investment company that moves with the speed of a founder and the rigour of an investor. We invest directly in early-stage technology companies - and in the exceptional people building them.
OUR APPROACH
We partner with leading fund managers and invest directly in exceptional founders. Operating across the ecosystem, we combine the strategic reach of a fund investor with the discipline and perspective of an operator.
Step 01
We Align
We take time to understand the vision and the execution behind it whether we’re backing a founder or a fund manager.
Step 02
We Invest
We deploy capital and strategic resources behind opportunities where our conviction is clear.
Step 03
We Partner
We bring an operator’s mindset to every partnership and we stay engaged well beyond the investment.
Exceptional outcomes aren’t built on capital alone. They’re built on clarity, conviction, and the right partner.
Whether backing a fund manager or a founder, we bring the same discipline: understand deeply, commit fully, and stay the course.
That approach is shaped by over two decades of building businesses firsthand and it's why our strongest partnerships are measured in years, not transactions.
ABOUT US
ISTCAPITAL is a single-family office rooted in over two decades of building businesses. We invest across venture, private equity, and alternative markets - bringing an operator’s mindset to every partnership. Our conviction is grounded in experience.
OUR APPROACH
We partner with leading fund managers and invest directly in exceptional founders. Operating across the ecosystem, we combine the strategic reach of a fund investor with the discipline and perspective of an operator.
Step 01
We Align
We take time to understand the vision and execution, backing founders or fund managers.
Step 02
We Invest
We deploy capital and strategic resources behind opportunities where our conviction is clear.
Step 03
We Partner
We bring an operator’s mindset to every partnership and we stay engaged well beyond the investment.
Step 01
We Align
We take time to understand the vision and execution, backing founders or fund managers.
Step 02
We Invest
We deploy capital and strategic resources behind opportunities where our conviction is clear.
Step 03
We Partner
We bring an operator’s mindset to every partnership and we stay engaged well beyond the investment.
Step 01
We Align
We take time to understand the vision and execution, backing founders or fund managers.
Step 02
We Invest
We deploy capital and strategic resources behind opportunities where our conviction is clear.
Step 03
We Partner
We bring an operator’s mindset to every partnership and we stay engaged well beyond the investment.
Step 01
We Align
We take time to understand the vision and execution, backing founders or fund managers.
Step 02
We Invest
We deploy capital and strategic resources behind opportunities where our conviction is clear.
Step 03
We Partner
We bring an operator’s mindset to every partnership and we stay engaged well beyond the investment.
Exceptional outcomes aren’t built on capital alone. They’re built on clarity, conviction, and the right partner.
Whether backing a fund manager or a founder, we bring the same discipline: understand deeply, commit fully, and stay the course.
That approach is shaped by over two decades of building businesses firsthand and it's why our strongest partnerships are measured in years, not transactions.
Exceptional outcomes aren’t built on capital alone. They’re built on clarity, conviction, and the right partner.
Whether backing a fund manager or a founder, we bring the same discipline: understand deeply, commit fully, and stay the course.
That approach is shaped by over two decades of building businesses firsthand and it's why our strongest partnerships are measured in years, not transactions.
HOW WE INVEST
Multiple strategies. One perspective.
Multiple strategies. One perspective.
We deploy capital across asset classes and geographies guided by sector expertise and an operator’s discipline.
We deploy capital across asset classes and geographies guided by sector expertise and an operator’s discipline.
Fund Investments
LP commitments to venture, private equity, and real estate funds. We back managers with clear thesis differentiation and disciplined portfolio construction.
Direct Investments
Co-Investments
Strategic Focus

Fund Investments
LP commitments to venture, private equity, and real estate funds. We back managers with clear thesis differentiation and disciplined portfolio construction.
Direct Investments
Co-Investments
Strategic Focus

PORTFOLIO
Companies we believe in.
A selection of our direct and co-investment portfolio. Our fund commitments remain confidential.

Grand Games
Gaming
Grand Games is an Istanbul-based mobile gaming studio building genre-defining games for millions of players worldwide.

Grand Games
Gaming
Grand Games is an Istanbul-based mobile gaming studio building genre-defining games for millions of players worldwide.

HockeyStack
MarTech
HockeyStack is a Y Combinator-backed B2B revenue intelligence platform that turns GTM data into pipeline growth.

HockeyStack
MarTech
HockeyStack is a Y Combinator-backed B2B revenue intelligence platform that turns GTM data into pipeline growth.

Cellestetix
Biotechnology
Plant-based exosomes: Molecular regenerative biology for skin, hair, and wellness.

Cellestetix
Biotechnology
Plant-based exosomes: Molecular regenerative biology for skin, hair, and wellness.

Grand Games
Gaming
Grand Games is an Istanbul-based mobile gaming studio building genre-defining games for millions of players worldwide.

HockeyStack
MarTech
HockeyStack is a Y Combinator-backed B2B revenue intelligence platform that turns GTM data into pipeline growth.
CONTACT US
Great partnerships start here.
We build long-term partnerships across the investment ecosystem. If there’s alignment, we’d like to hear from you.
