The shareholders of GfK's holding company, the GfK Verein, have accepted the acquisition of an 18.54 percent stake in the GfK market research company by Acceleratio Capital N.V., a company controlled by funds advised by Kohlberg Kravis Roberts (KKR). The completion of the transaction is still subject to approval by anti-trust authorities. The GfK Verein remains the majority shareholder in GfK with a stake of 56.46 percent.