US buyout firm Kohlberg Kravis Roberts has invested or committed 90% of the capital from its Amsterdam-traded fund, as its partial year results showed net asset value per share climbed 5% since its listing in May.

Net asset value per share KKR Private Equity Investors, also known as KPE, increased from from $23.61 at the time of its initial public offering to $24.81 at the end of December.