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CornerstoneCapital

CornerstoneCapital

Frankfurt, Germany·Founded 2001··cornerstone-capital.de

CornerstoneCapital is a Frankfurt/Heidelberg-based small-mid buyout and growth-capital investor founded in 2001 by former 3i executives Pieter van Halem and a partner, focused on technology and technology-related companies in Germany, Austria and Switzerland. It backs management buyouts, buy-ins and growth situations with equity tickets of EUR 3-15 million in transactions up to EUR 50 million, and has invested in 25+ companies with 15+ exits across engineering, software/IT and medical technology. The firm currently manages about EUR 50 million of equity and can deploy more than EUR 120 million together with its co-investors across three successive funds.

AUM
€50M
Funds
3
vintages 2001–2014
Portfolio
0
Exits
11
SectorsSoftwareIndustrialsHealthcareBusiness ServicesTMT

Key facts

HQFrankfurt, Germany
Founded2001

Recent exits

Eltec Elektronik
Industrials · 2021 · 10yr hold
EppsteinFOILS
Industrials · 2020 · 12yr hold
Infoniqa
Software · 2018 · 6yr hold
ACTech
Industrials · 2017 · 5yr hold

Coverage notes

3 funds tracked, 11 portfolio companies (0 active · 11 realized). Verified weekly from public filings and deal announcements.

Funds & portfolio

Every fund CornerstoneCapital has raised, with its portfolio companies. Hand-checked from public filings.

3 funds
CornerstoneCapital Fonds IIIBuyout
2014 · 12yr€100M0 active

No portfolio companies tracked yet.

CornerstoneCapital IIEvergreen
2007 · 19yr0 active · 6 realized

Realized

6 exits
ACTechExited 2017
IndustrialsGermany· Entry 2012
Trade Saleto
Eltec ElektronikExited 2021
IndustrialsGermany· Entry 2011
Trade Saleto
EppsteinFOILSExited 2020
IndustrialsGermany· Entry 2008
Trade Saleto
InfoniqaExited 2018
SoftwareAustria· Entry 2012
Secondaryto
Infoniqa SQLExited 2017
SoftwareSwitzerland· Entry 2012
to
IntegrataExited 2014
Business ServicesGermany· Entry 2009
Trade Saleto
CornerstoneCapital IEvergreen
2001 · 25yr0 active · 5 realized

Realized

5 exits
DatamarsExited 2012
IndustrialsSwitzerland· Entry 2005
Secondaryto
GH-IsoliteExited 2010
IndustrialsGermany· Entry 2005
Secondaryto
Human SolutionsExited 2015
SoftwareGermany· Entry 2004
Secondaryto
Utimaco SafewareExited 2008
SoftwareGermany· Entry 2003
Trade Saleto
FintechGermany· Entry 2004
Secondaryto
Track CornerstoneCapital

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Investment team

Senior partners. Hand-checked from public filings and the firm's own site.

Pieter van Halem
Managing Director and Co-Founder
Last updated July 2026 · Sourced from public filings