Blackstone Group has bought a minority stake in Nautic Partners, a middle-market private equity firm that invests mainly in healthcare, industrials and services companies, two sources familiar with the matter told Reuters.

Nautic recently finished raising $3 billion for its tenth private equity fund. Its investment size tends to be between $50 million and $250 million.

Blackstone recently finished raising a new fund and its Strategic Capital Holdings II fund closed last month with $5.6 billion in investor capital.

Read more/Source: WTVB