X0101 EFFECT 33 LIVE 2021-09-13 12:00:00

N-1A

0001860434 Harbor ETF Trust 333-255884 S000072555 Harbor Scientific Alpha High-Yield ETF C000228888 Harbor Scientific Alpha High-Yield ETF S000072556 Harbor Scientific Alpha Income ETF C000228889 Harbor Scientific Alpha Income ETF S000073580 Harbor Disruptive Innovation ETF C000230585 Harbor Disruptive Innovation ETF