Statement of Ownership (sc 13g)

Name of Reporting Person

Lightspeed China Partners I GP, LLC

Check the Appropriate Box if a Member of a Group

(a) ☐ (b) ☐

SEC Use Only

Citizenship or Place of Organization

Cayman Islands

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. )*

PPDAI Group Inc.

(Name of Issuer)

Class A ordinary shares, $0.00001 par value per share

(Title of Class of Securities)

69354V108**

(CUSIP Number)

December 31, 2017

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

☐ Rule 13d-1(b)

☐ Rule 13d-1(c)

☒ Rule 13d-1(d)

*	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 disclosures provided in a prior cover page.

**	CUSIP number 69354V108 has been assigned to the American depositary shares of the issuer, which are quoted on the New York Stock Exchange under the symbol “PPDF.” Each ADS represents five Class A ordinary shares of the issuer. No CUSIP number has been assigned to ordinary shares of the issuer.

The information required on 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).


CUSIP No. 69354V108				Page 2 of 7 pages

(1)	Represents (i) 127,454,500 Class A ordinary shares held by Lightspeed China Partners I, L.P., and (ii) 17,429,600 Class A ordinary shares held by Lightspeed China Partners I-A, L.P.


CUSIP No. 69354V108				Page 3 of 7 pages


CUSIP No. 69354V108				Page 4 of 7 pages


Item 1(a).		Name of Issuer: PPDAI Group Inc. (the “Issuer”)
Item 1(b).		Address of Issuer’s Principal Executive Offices: Building G1, No. 999 Dangui Road, Pudong New District, Shanghai 201203, People’s Republic of China

Item 2(a).		Name of Person Filing: Lightspeed China Partners I GP, LLC and Lightspeed China Partners I, L.P. (collectively, the “Reporting Persons”)
Item 2(b).		Address of Principal Business Office or, if none, Residence: Lightspeed China Partners I GP, LLC P.O. Box 309, Ugland House, Grand Cayman, KY1-1104, Cayman Islands Lightspeed China Partners I, L.P. P.O. Box 309, Ugland House, Grand Cayman, KY1-1104, Cayman Islands
Item 2(c).		Citizenship: Lightspeed China Partners I GP, LLC – Cayman Islands Lightspeed China Partners I, L.P. – Cayman Islands
Item 2(d).		Title of Class of Securities: Class A ordinary shares, $0.00001 par value per share The Issuer’s ordinary shares consist of Class A ordinary shares and Class B ordinary shares. Each holder of Class A ordinary shares is entitled to one vote per share and each holder of Class B ordinary shares is entitled to twenty votes per share on all matters submitted to them for vote. Class B ordinary shares are convertible at any time by the holder thereof into Class A ordinary shares on a one-for-one basis. Class A ordinary shares are not convertible into Class B ordinary shares under any circumstances.
Item 2(e).		CUSIP Number: 69354V108 This CUSIP number applies to the American depositary shares of the Issuer, each representing five Class A ordinary shares of the Issuer, par value $0.00001 per share. No CUSIP has been assigned to the ordinary shares.

Item 3.		If this statement is filed pursuant to §§ 240.13d-1(b), or 240.13d-2(b) or (c), check whether the persons filing is a:
		Not applicable

Item 4.		Ownership:


Reporting Person	Amount beneficially owned			Percent of class ⁽²⁾			Percent of aggregate voting power ⁽³⁾			Sole power to vote or direct the vote			Shared power to vote or to direct the vote		Sole power to dispose or to direct the disposition of			Shared power to dispose or to direct the disposition of
Lightspeed China Partners I GP, LLC		144,884,100	⁽¹⁾		9.7	% ⁽²⁾		1.0	% ⁽³⁾		144,884,100	⁽¹⁾		0		144,884,100	⁽¹⁾		0
Lightspeed China Partners I, L.P.		127,454,500			8.5	% ⁽²⁾		0.9	% ⁽³⁾		127,454,500			0		127,454,500			0


CUSIP No. 69354V108				Page 5 of 7 pages

(1)

Represents (i) 127,454,500 Class A ordinary shares held by Lightspeed China Partners I, L.P., and (ii) 17,429,600 Class A ordinary shares held by Lightspeed China Partners I-A, L.P. Lightspeed China Partners I, L.P. and Lightspeed China Partners I-A, L.P. are Cayman Islands limited partnerships. Lightspeed China Partners I GP, LLC, a limited liability company, is the general partner of both Lightspeed China Partners I, L.P. and Lightspeed China Partners I-A, L.P. Ronald Cao and James Qun Mi each owns 50% of the ownership of Lightspeed China Partners I GP, LLC. Both Ronald Cao and James Qun Mi disclaim beneficial ownership of their shares held by Lightspeed funds, except to the extent of their pecuniary interest therein.

(2)	The percentage of class of securities beneficially owned by each Reporting Person is based on a total of 1,503,071,169 ordinary shares (being the sum of 842,071,169 Class A ordinary shares and 661,000,000 Class B ordinary shares) of the Issuer outstanding as of December 31, 2017.

(3)

For each Reporting Person, percentage of aggregate voting power is calculated by dividing the voting power beneficially owned by such Reporting Person by the voting power of all of Class A and Class B ordinary shares of the Issuer as a single class. Each holder of Class A ordinary shares is entitled to one vote per share and each holder of Class B ordinary shares is entitled to twenty votes per share on all matters submitted to them for vote. Class B ordinary shares are convertible at any time by the holder thereof into Class A ordinary shares on a one-for-one basis. Class A ordinary shares are not convertible into Class B ordinary shares under any circumstances.


Item 5.		Ownership of Five Percent or Less of a Class:

		Not applicable

Item 6.		Ownership of More than Five Percent on Behalf of Another Person:

		Not applicable

Item 7.		Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Controlling Person:

		Not applicable

Item 8.		Identification and Classification of Members of the Group:

		Not applicable

Item 9.		Notice of Dissolution of Group:

		Not applicable

Item 10.		Certifications:

		Not applicable


CUSIP No. 69354V108				Page 6 of 7 pages

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.

Dated: February 14, 2018


Lightspeed China Partners I GP, LLC

/s/ James Qun Mi
Name:		James Qun Mi
Title:		Director

Lightspeed China Partners I, L.P.

By:		/s/ James Qun Mi
Name:		James Qun Mi
Title:		For and on behalf of Lightspeed China Partners I GP, LLC, General Partner; Director of Lightspeed China Partners I GP, LLC