x Rule 13d-1(c)³

x Rule 13d-1(d)⁴

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

† This Schedule 13G filing is the initial filing for Sheng Guang Holdings Limited and amendment filing for the other reporting persons.

¹ Each American Depositary Share represents five (5) Ordinary Shares.

² This CUSIP number applies to the Issuer’s ADSs.

³ Chi Sing Ho’s Schedule 13G filing is filed pursuant to Rule 13d-1(c).

⁴ All reporting persons other than Chi Sing Ho make their respective Schedule 13G filing pursuant to Rule 13d-1(d).

ITEM 1(a). NAME OF ISSUER:

China Finance Online Co. Limited

ITEM 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

9th Floor, Tower C

Corporate Square 

No. 35 Financial Street

Xicheng District

Beijing, 100140, China

ITEM 2(a). NAME OF PERSONS FILING:

The above persons have agreed that this Statement may be filed by IDG Technology Venture Investment, LP on behalf of all of them jointly pursuant to Rule 13d-1(k). A copy of such agreement is attached as an Exhibit to this Statement.

IDG Technology Venture Investment, LP is a limited partnership organized under the laws of the State of Delaware. The general partner of IDG Technology Venture Investment, LP is IDG Technology Venture Investments, LLC, a limited liability company organized under the laws of the State of Delaware. The managing members of IDG Technology Venture Investments, LLC are Chi Sing Ho and Quan Zhou.

ITEM 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:

For Sheng Guang Holdings Limited:

Mr. Chi Sing Ho 

Unit 5505, The Center 

99 Queen’s Road Central 

Hong Kong

For all reporting persons except Sheng Guang Holdings Limited:

c/o IDG Capital Management (HK) Limited. 

Unit 5505, The Center 

99 Queen’s Road Central 

Hong Kong

ITEM 2(c). CITIZENSHIP:

Chi Sing Ho is a citizen of Canada. Quan Zhou is a citizen of the United States of America. Sheng Guang Holdings Limited is organized under the laws of the British Virgin Islands. IDG Technology Venture Investment, LP. and IDG Technology Venture Investments, LLC are each organized under the laws of the State of Delaware.

ITEM 2(d). TITLE OF CLASS OF SHARES:

Ordinary Shares

ITEM 2(e). CUSIP NUMBER:

169379104

ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULES 13d-1(b), OR 13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A:

(i)   [ ] A Church Plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

If filling as a Non-U.S. Institution in accordance with Rule 13d-1(b)(l)(ii)(J), please specify the type of institution:

ITEM 4. OWNERSHIP

The information for each reporting person contained in Items 5-11 of the cover pages is incorporated herein by reference.

ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

N/A

ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON

N/A

ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY OR CONTROL PERSON.

N/A

ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP

N/A

ITEM 9. NOTICE OF DISSOLUTION OF GROUP

N/A

ITEM 10. CERTIFICATION

For all reporting persons other than Chi Sing Ho, who make their respective Schedule 13G filing pursuant to Rule 13d-1(d):

N/A.

For Chi Sing Ho, who makes his Schedule 13G filing pursuant to Rule 13d-1(c):

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: February 11, 2019

Joint Filling AGREEMENT

We, the undersigned, hereby agree that the Statement on Schedule 13G in connection with the securities of China Finance Online Co. Limited to which this Agreement is an Exhibit, and any amendment thereafter signed by each of the undersigned, may be filed by IDG Technology Venture Investment, Inc. and IDG Technology Venture Investment, LP on behalf of each of the undersigned pursuant to and in accordance with the provisions of 13d-1(k) under the Securities Exchange Act of 1934, as amended.

Dated: February 11, 2019