0001172661-20-000910 SC 13G 1 20200214 20200214 2U, Inc. 0001459417 7372 262335939 DE 1231 SC 13G 34 005-88512 20621120 7900 HARKINS ROAD LANHAM MD 20706 (301) 892-4350 7900 HARKINS ROAD LANHAM MD 20706 2tor, Inc. 20090324 ArrowMark Colorado Holdings LLC 0001483859 392068140 DE 1231 SC 13G 100 FILLMORE STREET, SUITE 325 DENVER CO 80206 303.398.2929 100 FILLMORE STREET, SUITE 325 DENVER CO 80206 Arrowpoint Asset Management, LLC 20100211 SC 13G 1 arrowmark-twou123119.htm SCHEDULE 13G HOLDINGS REPORT