Matignon Investissements I is a closed-end venture capital fund with an initial capital of 170 M€ (includind 100 M€ of mezzanine). MI I has invested in some twenty companies, mainly French ones.

The Fund is now divested. It has posted an annual average Internal Rate of Return (IRR) in excess of 50%, enabling its original investors to multiply their investment by more than 8 times.