Primavera Singa Pte Ltd acquired 86.5% stake in Stemcell Holdings, Inc. from Takaaki Matsuoka for ¥3 million on May 2, 2016. Primavera Singa acquired 17.3 million shares of Stemcell. Primavera Singa Pte Ltd completed the acquisition of 86.5% stake in Stemcell Holdings, Inc. from Takaaki Matsuoka on May 2, 2016.