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Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 ( Mark One ) X ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For fiscal year ended December 31 , 2020 1934 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF Form 10 - K Delaware ( State or other jurisdiction of incorporation or organization ) or For the transition period from 245 Park Avenue , 35th Floor New York , New York ( Address of principal executive offices ) Title of each class : Common Stock , $ 0.01 par value Wisdom Tree Investments , Inc. ( Exact name of registrant as specified in its charter ) to Commission File Number 001-10932 212-801-2080 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) WETF Securities registered pursuant to Section 12 ( g ) of the Act : None 13-3487784 ( IRS Employer Identification No. ) 10167 ( Zip Code ) Name of each exchange on which registered : The NASDAQ Stock Market LLC X Yes - No Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Yes No Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( §232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes No Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company , or emerging growth company . See definitions of “ large accelerated filer , ” “ accelerated filer , ” “ smaller reporting company ” and “ emerging growth