The firm's executives said it's too early for government officials to take action based on the studies.
Marco Barrozo has raised more than $125 million for the fixed-income offering, which has begun trading and is raising more capital.
The firm sold 100% of ownership interests in its asset management and family office units.
Bridgewater's Ray Dalio, who said his succession plan would take a decade, kicked off the hand-over in 2010.
The Financial Select Sector SPDR ETF gained nearly 0.6% after Daniel Tarullo announced he will retire on or around April 5.