UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: March 15, 2019 2:00 P.M.
Form: N-1A
CIK: 0001761055
Company Name: BlackRock ETF Trust
File Number: 333-228832
REFERENCED SERIES/CLASSES (CONTRACTS)
Series ID
Class/Contract Name
S000064945 BlackRock U.S. Equity Factor Rotation ETF
C000210296 BlackRock U.S. Equity Factor Rotation ETF