SEC FORM 3

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Ecofin Holdings Ltd

(Last)

(First)

(Middle)

LA MOTTE CHAMBERS

(Street)

ST. HELIER, CHANNEL ISLANDS

JE1 1BJ

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
07/05/2016

3. Issuer Name and Ticker or Trading Symbol
Lonestar Resources US Inc. [ LONE ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

Director	X	10% Owner
Officer (give title below)		Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A Voting Common Stock	148,958	D
Class A Voting Common Stock	0⁽¹⁾⁽²⁾	I	See Footnotes⁽¹⁾⁽²⁾

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)

Explanation of Responses:

1. Ecofin Holdings Limited ("EHL") is reporting beneficial ownership of 4,174,259 shares of the Issuer's Class A Voting Common Stock ("Shares") held directly by EFR Guernsey Holding Limited ("EFR").

2. EHL's wholly-owned subsidiary serves as investment manager to EFR and EFR's parent company, and as a result EHL may be deemed to be beneficial owner of the Shares for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended ("Exchange Act"). EHL does not have any pecuniary interest (as defined in Rule 16a-1(a)(2) of the Exchange Act) in any of the Shares, and EHL's pecuniary interest and beneficial ownership over such Shares is expressly disclaimed. The filing of this Form 3 shall not be construed as an admission that EHL is the beneficial owner of any of the Shares.

Remarks:

	Sharon Le Lo and Kristina Stone, Authorized Signatories, RBC Corporate Services (CI) Limited, Director	08/19/2016
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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