Hortonworks SC 13G Beneficial ownership report

UNITED STATES

SECURITIES AND EXCHANGE
COMMISSION

Washington, D.C. 20549

______________

SCHEDULE 13G

(Amendment No.     )*

Hortonworks Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

440894-10-3

(CUSIP Number)

December 31, 2016

(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 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).

CUSIP No. 440894-10-3 13G Page 2 of 17 Pages

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Index Ventures IV (Jersey) L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☑
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Jersey, Channel Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			1,552,425
		6	SHARED VOTING POWER
			0
		7	SOLE DISPOSITIVE POWER
			1,552,425
		8	SHARED DISPOSITIVE POWER
			0
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,552,425
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	2.55%
12	TYPE OF REPORTING PERSON
	PN

CUSIP No. 440894-10-3 13G Page 3 of 17 Pages

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Index Ventures IV Parallel Entrepreneur Fund (Jersey) L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☑
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Jersey, Channel Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			147,355
		6	SHARED VOTING POWER
			0
		7	SOLE DISPOSITIVE POWER
			147,355
		8	SHARED DISPOSITIVE POWER
			0
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	147,355
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	0.24%
12	TYPE OF REPORTING PERSON
	PN

CUSIP No. 440894-10-3 13G Page 4 of 17 Pages

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Index Venture Associates IV Limited
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☑
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Jersey, Channel Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0
		6	SHARED VOTING POWER
			1,713,487
		7	SOLE DISPOSITIVE POWER
			0
		8	SHARED DISPOSITIVE POWER
			1,713,487
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,713,487
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	2.82%
12	TYPE OF REPORTING PERSON
	CO

CUSIP No. 440894-10-3 13G Page 5 of 17 Pages

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Index Ventures V (Jersey) L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☑
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Jersey, Channel Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			1,678,475
		6	SHARED VOTING POWER
			0
		7	SOLE DISPOSITIVE POWER
			1,678,475
		8	SHARED DISPOSITIVE POWER
			0
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,678,475
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	2.76%
12	TYPE OF REPORTING PERSON
	PN

CUSIP No. 440894-10-3 13G Page 6 of 17 Pages

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Yucca (Jersey) SLP
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☑
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Jersey, Channel Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			35,124
		6	SHARED VOTING POWER
			0
		7	SOLE DISPOSITIVE POWER
			35,124
		8	SHARED DISPOSITIVE POWER
			0
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	35,124
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	0.06%
12	TYPE OF REPORTING PERSON
	PN

CUSIP No. 440894-10-3 13G Page 7 of 17 Pages

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Index Ventures V Parallel Entrepreneur Fund (Jersey), L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☑
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Jersey, Channel Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			13,596
		6	SHARED VOTING POWER
			0
		7	SOLE DISPOSITIVE POWER
			13,596
		8	SHARED DISPOSITIVE POWER
			0
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	13,596
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	0.02%
12	TYPE OF REPORTING PERSON
	PN

CUSIP No. 440894-10-3 13G Page 8 of 17 Pages

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Index Venture Associates V Limited
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☑
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Jersey, Channel Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0
		6	SHARED VOTING POWER
			1,713,488
		7	SOLE DISPOSITIVE POWER
			0
		8	SHARED DISPOSITIVE POWER
			1,713,488
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,713,488
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	2.82%
12	TYPE OF REPORTING PERSON
	CO

CUSIP No. 440894-10-3 13G Page 9 of 17 Pages

Item 1(a).	Name of Issuer:
	Hortonworks, Inc.
Item 1(b).	Address of Issuer's Principal Executive Offices:
	5470 Great America Parkway, Santa Clara, CA 95054
Item 2(a).	Name of Persons Filing:
	(i)	Index Ventures IV (Jersey) L.P.
	(ii)	Index Ventures IV Parallel Entrepreneur Fund (Jersey) L.P.
	(iii)	Index Venture Associates IV Limited
	(iv)	Index Ventures V (Jersey) L.P.
	(v)	Yucca (Jersey) SLP
	(vi)	Index Ventures V Parallel Entrepreneur Fund (Jersey) L.P.
	(vii)	Index Venture Associates V Limited

Item 2(b).	Address of Principal Business Office:
	(i)	44 Esplanade, St. Helier JE4 9WG
	(ii)	44 Esplanade, St. Helier JE4 9WG
	(iii)	44 Esplanade, St. Helier JE4 9WG
	(iv)	44 Esplanade, St. Helier JE4 9WG
	(v)	44 Esplanade, St. Helier JE4 9WG
	(vi)	44 Esplanade, St. Helier JE4 9WG
	(vii)	44 Esplanade, St. Helier JE4 9WG
Item 2(c).	Citizenship:
	(i)	Jersey, Channel Islands
	(ii)	Jersey, Channel Islands
	(iii)	Jersey, Channel Islands
	(iv)	Jersey, Channel Islands
	(v)	Jersey, Channel Islands
	(vi)	Jersey, Channel Islands
	(vii)	Jersey, Channel Islands
Item 2(d).	Title of Class of Securities:
	Common stock, par value $0.0001 per share
Item 2(e).	CUSIP Number:
	440894-10-3

CUSIP No. 440894-10-3 13G Page 10 of 17 Pages

Item 3. If this statement is filed pursuant to Sections 240.13d-1(b), or 240.13d-2(b) or (c), check whether the person filing is a:

[  ]	Broker or dealer registered under Section 15 of the Act;
[  ]	Bank as defined in Section 3(a)(6) of the Act;
[  ]	Insurance company as defined in Section 3(a)(19) of the Act;
[  ]	Investment company registered under Section 8 of the Investment Company Act of 1940;
[  ]	An investment adviser in accordance with Section 240.13d-1(b)(1)(ii)(E).
[  ]	An employee benefit plan or endowment fund in accordance with Section 240.13d-1(b)(1)(ii)(F).
[  ]	A parent holding company or control person in accordance with Section 240.13d-1(b)(1)(ii)(G).
[  ]	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act;
[  ]	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;
[  ]	A non-U.S. institution in accordance with Section 240.240.13d-1(b)(1)(ii)(J);
[  ]	Group, in accordance with Section 240.13d-1(b)(1)(ii)(K).
If filing as a non-U.S. institution in accordance with Section 240.13d-1(b)(1)(ii)(J), please specify the type of institution: __________

CUSIP No. 440894-10-3 13G Page 11 of 17 Pages

Item 4.  Ownership.

The information requested hereinafter is set forth in items 5 through 9 and 11 of the cover pages to this Schedule 13G. Ownership is stated as of 31 December 2016 and the ownership percentages are based on 60,762,211 shares of Hortonworks, Inc. common stock outstanding as of 1 November 2016 as set forth in the Issuer's Quarterly Report on Form 10-Q for the quarterly period ended 30 September 2016 filed with the Securities and Exchange Commission on 8 November 2016.

Index Ventures IV (Jersey) L.P. ("Index Ventures IV") is the owner of record of 1,552,425 ordinary shares and Index Ventures IV Parallel Entrepreneur Fund (Jersey) L.P. ("Index Ventures IV Parallel" and together with Index Ventures IV, the "Index IV Funds") is the owner of record of 147,355 ordinary shares. As the managing general partner of the Index IV Funds, Index Venture Associates IV Limited ("Index IV Limited") may be deemed to have shared dispositive power and shared voting power over the shares owned by the Index IV Funds.

Index Ventures V (Jersey) L.P. ("Index Ventures V") is the owner of record of  1,678,475 ordinary shares and Index Ventures V Parallel Entrepreneur Fund (Jersey) L.P. ("Index Ventures V Parallel" and together with Index Ventures V, the "Index V Funds") is the owner of record of 13,596 ordinary shares. As the managing general partner of the Index V Funds, Index Venture Associates V Limited ("Index V Limited") may be deemed to have shared dispositive power and shared voting power over the shares owned by the Index V Funds.

Yucca (Jersey) SLP ("Yucca") is the owner of record of 35,124 ordinary shares. Yucca administers the co-investment vehicle that is contractually required to mirror the Index IV Funds' and Index V Funds' investment. As a result, Index IV Limited and Index V Limited may be deemed to have shared dispositive and shared voting power over Yucca's shares by virtue of its shared dispositive power over and shared voting power over the shares owned by the funds. 

CUSIP No. 440894-10-3 13G Page 12 of 17 Pages

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 Control Person:
	Not applicable.
Item 8.	Identification and Classification of Members of the Group.
	See Exhibit 2.
Item 9.	Notice of Dissolution of Group.
	Not applicable.
Item 10.	Certifications.
	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.

CUSIP No. 440894-10-3 13G Page 13 of 17 Pages

SIGNATURE

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

Date: 9/2/2017
INDEX VENTURES IV (JERSEY) L.P.
By:	/s/ Sinead Meehan
Name:	Sinead Meehan
Title:	Director

INDEX VENTURES IV PARALLEL
ENTREPRENEUR FUND (JERSEY) L.P.
By:	/s/ Sinead Meehan
Name:	Sinead Meehan
Title:	Director

INDEX VENTURE ASSOCIATES IV
LIMITED
By:	/s/ Sinead Meehan
Name:	Sinead Meehan
Title:	Director

YUCCA (JERSEY) SLP
By: Intertrust Employee Benefit Services
Limited as authorized signatory of
Yucca (Jersey) SLP in its capacity as an
Administrator of the Index Co-
Investment Scheme
By:	/s/ Giles Johnstone-Scott
Name:	Giles Johnstone-Scott
Title:	Authorized Signatory

By:	/s/ Sarah Earles
Name:	Sarah Earles
Title:	Authorized Signatory

CUSIP No. 440894-10-3 13G Page 14 of 17 Pages

INDEX VENTURES V (JERSEY) L.P.
By:	/s/ Sinead Meehan
Name:	Sinead Meehan
Title:	Director

INDEX VENTURES PARALLEL
ENTREPRENEUR FUND V (JERSEY) L.P.
By:	/s/ Sinead Meehan
Name:	Sinead Meehan
Title:	Director

INDEX VENTURE ASSOCIATES V
LIMITED
By:	/s/ Sinead Meehan
Name:	Sinead Meehan
Title:	Director

CUSIP No. 440894-10-3 13G Page 15 of 17 Pages

Exhibit 1

AGREEMENT

Each of the undersigned, pursuant to Rule 13d-1(k)(l) under the Act, hereby agrees and acknowledges that only one statement containing the information required by Schedule 13G need be filed with respect to the ownership by each of the undersigned of the shares of Common Stock and the information required by this Schedule 13G, to which this Agreement is attached as an exhibit, is filed on behalf of each of them. The undersigned further agree that any further amendments or supplements thereto shall also be filed on behalf of each of them.

Date: 9/2/2017
INDEX VENTURES IV (JERSEY) L.P.
By:	/s/ Sinead Meehan
Name:	Sinead Meehan
Title:	Director

INDEX VENTURES IV PARALLEL
ENTREPRENEUR FUND (JERSEY) L.P.
By:	/s/ Sinead Meehan
Name:	Sinead Meehan
Title:	Director

INDEX VENTURE ASSOCIATES IV
LIMITED
By:	/s/ Sinead Meehan
Name:	Sinead Meehan
Title:	Director

YUCCA (JERSEY) SLP
By: Intertrust Employee Benefit Services
Limited as authorized signatory of
Yucca (Jersey) SLP in its capacity as an
Administrator of the Index Co-
Investment Scheme
By:	/s/ Giles Johnstone-Scott
Name:	Giles Johnstone-Scott
Title:	Authorized Signatory

By:	/s/ Sarah Earles
Name:	Sarah Earles
Title:	Authorized Signatory

CUSIP No. 440894-10-3 13G Page 16 of 17 Pages

INDEX VENTURES V (JERSEY) L.P.
By:	/s/ Sinead Meehan
Name:	Sinead Meehan
Title:	Director

INDEX VENTURES PARALLEL
ENTREPRENEUR FUND V (JERSEY) L.P.
By:	/s/ Sinead Meehan
Name:	Sinead Meehan
Title:	Director

INDEX VENTURE ASSOCIATES V
LIMITED
By:	/s/ Sinead Meehan
Name:	Sinead Meehan
Title:	Director

CUSIP No. 440894-10-3 13G Page 17 of 17 Pages

Exhibit 2

IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THIS GROUP

Index Ventures IV (Jersey) L.P. ("Index Ventures IV"), Index Ventures IV Parallel Entrepreneur Fund (Jersey) L.P. ("Index Ventures IV Parallel"), Index Venture Associates IV Limited ("Index IV Limited"), Yucca Jersey SLP ("Yucca"),  Index Ventures V (Jersey) L.P. ("Index Ventures V"), Index Ventures V Parallel Entrepreneur Fund (Jersey), L.P. ("Index Ventures V Parallel") and Index Venture Associates V Limited ("Index V Limited") are filing this statement on Schedule 13G as a group.

Index Ventures IV is a Jersey (Channel Islands) partnership. Its managing general partner is Index IV Limited.

Index Ventures IV Parallel is a Jersey (Channel Islands) partnership. Its managing general partner is Index IV Limited.

Yucca is a Jersey (Channel Islands) separate limited partnership. Its corporate general partner is an affiliate of Index IV Limited and Index V Limited.

Index Ventures V is a Jersey (Channel Islands) partnership. Its managing general partner is Index V Limited.

Index Ventures V Parallel is a Jersey (Channel Islands) partnership. Its managing general partner is Index V Limited.