UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 5, 2015

INOVALON HOLDINGS, INC.
(Exact name of registrant as specified in its charter)

Registrant's telephone number, including area code: (301) 809-4000

Not Applicable
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 2.02.    Results of Operations and Financial Condition.

        On August 5, 2015, Inovalon Holdings, Inc. (the "Company") issued a press release announcing its financial position as of June 30, 2015, results of operations for the three and six months ended June 30, 2015 and other related information. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

        In accordance with General Instructions B.2 and B.6 of Form 8-K, the information included in this Current Report on Form 8-K, including Exhibit 99.1 hereto, shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any filing made by the Company under the Exchange Act or the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01.    Regulation FD Disclosure.

        The disclosure contained in Item 2.02 is incorporated herein by reference.

Item 9.01.    Financial Statements and Exhibits.

(d)

Exhibits.

2

SIGNATURES

        Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

3

EXHIBIT INDEX

4

QuickLinks

Item 2.02. Results of Operations and Financial Condition.
Item 7.01. Regulation FD Disclosure.
Item 9.01. Financial Statements and Exhibits.