International audienceThe present research links knowledge about business angels’ individual cognitive and behavioral features and about their co-investment practice with professional venture funds in explaining differential rates of growth. We conducted a survey by questionnaire and were able to gather a unique dataset concerning the characteristics, investment practice and growth performance of a sample of 124 business angels having made a total of 222 investments in the south eastern region of France surrounding Grenoble. Our contribution to the literature is twofold: first, to our knowledge, the present study is the first systematic exploration of the investment practice of business angels in the French market for entrepreneurial financ...