June 18 (Reuters) - BlackRock Inc ( BLK ), the world's

largest asset manager with $2.8 trillion in 400-plus

exchange-traded funds, has added two more products to its roster

of actively managed ETFs, it said on Tuesday.

The new funds are managed by teams overseeing similar or

nearly identical strategies as mutual funds.

The BlackRock Long-Term U.S. Equity ETF offers

access to a concentrated portfolio of 20 to 24 stocks ranging

from Intuitive Surgical ( ISRG ) and Intuit to Chipotle

Mexican Grill ( CMG ).

The fund invests in competitive companies that can

consistently boost cash flow, regardless of sector, size or

other factors, said Jay Jacobs, head of thematic and active

ETFs.

The BlackRock High Yield ETF will hold 80% to 100%

of its assets in high yield bonds rated BB to CCC, but can also

invest in other securities, such as bank loans, investment-grade

bonds and convertible securities, he added.

BlackRock ( BLK ) has 40 active ETFs, nearly double the number two

years ago. About $25 billion of its total $2.8 trillion ETF

assets are in actively managed products.

So far this year, active ETFs have accounted for about 85%

of all new ETF launches, 44% of total ETF listings and about a

third of all inflows in the United States, according to Goldman

Sachs Asset Management.