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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 ( Mark One ) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 Or TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Delaware ( State or other jurisdiction of incorporation or organization ) FORM 10 - K For the transition period from Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Common Stock $ 0.01 par value Medpace Holdings , Inc. ( Exact name of registrant as specified in its charter ) to Commission file number : 001-37856 5375 Medpace Way , Cincinnati , OH 45227 ( Address of principal executive offices ) ( Zip Code ) ( 513 ) 579-9911 ( Registrant's telephone number , including area code ) Trading Symbol ( s ) MEDP Class Common Stock $ 0.01 par value 32-0434904 ( I.R.S. Employer Identification No. ) Name of each exchange on which registered Nasdaq Global Select Market Securities registered pursuant to Section 12 ( g ) of the Act : None Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes 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 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 No 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 an emerging growth company . See the definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . Large accelerated filer Accelerated filer Non - accelerated filer Smaller reporting company Emerging growth company If an emerging growth company , indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . 0 0 Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C. 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes No The aggregate market value of the voting and non - voting common equity held by non - affiliates of the registrant , based upon the closing sale price as reported on the Nasdaq Global Select Market on June 30 , 2020 , the last business day of the registrant's most recently completed second fiscal quarter , was approximately $ 2.5 billion . For purposes of this computation , shares of the registrant's common stock held by each executive officer , director , and each person known to the registrant to own 10 % or more of the outstanding voting power reporting such ownership on Schedule 13D have been excluded in that such persons are affiliates . Indicate the number of shares outstanding of each of the issuer's classes of Common Stock , as of the latest practicable date . Number of Shares Outstanding 35,734,291 shares outstanding as of February 12 , 2021 DOCUMENTS INCORPORATED BY REFERENCE Portions of the registrant's definitive proxy statement to be filed with the Securities and Exchange Commission relating to the 2021 Annual Meeting of Stockholders are incorporated herein by reference into Part III of this Annual Report on Form 10 - K to the extent stated herein .