UNITED STATES	 	
 	SECURITIES AND EXCHANGE COMMISSION	 	
 	Washington, D.C. 20549	 	
 	 	 	
SCHEDULE 13G
 
Under the Securities Exchange Act of 1934
(Amendment No.     )*
 
Ardelyx, Inc.
(Name of Issuer)
Common Stock, $0.0001 par value per share
(Title of Class of Securities)
039697107
(CUSIP Number)
July 18, 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:
o	Rule 13d-1(b)	
x	Rule 13d-1(c)	
o	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).

 

 
SCHEDULE 13G
 
CUSIP No. 039697107	 	
 	 	
 	1	Names of Reporting Persons
Future Fund Board of Guardians	 	
 	 	
 	2	Check the Appropriate Box if a Member of a Group (See Instructions)	 	
 	 	(a)	o	 	
 	 	(b)	o	 	
 	 	
 	3	SEC Use Only	 	
 	 	
 	4	Citizenship or Place of Organization
Australia	 	
 	 	 	 	
Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With:	5	Sole Voting Power
0	 	
 	 	 	 	 	 	
 	6	Shared Voting Power
3,436,426	 	 	 	 	 	 	 	
 	 	 	 	 	 	 	 	 	 	 	 	
 	7	Sole Dispositive Power
0	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	8	Shared Dispositive Power
3,436,426	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	9	Aggregate Amount Beneficially Owned by Each Reporting Person
3,436,426	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	10	Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) o	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	11	Percent of Class Represented by Amount in Row (9)
7.3%	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	12	Type of Reporting Person (See Instructions)
OO	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	

2

 
CUSIP No. 039697107	 	
 	 	
 	1	Names of Reporting Persons
Future Fund Investment Company No.4 Pty Ltd	 	
 	 	
 	2	Check the Appropriate Box if a Member of a Group (See Instructions)	 	
 	 	(a)	o	 	
 	 	(b)	o	 	
 	 	
 	3	SEC Use Only	 	
 	 	
 	4	Citizenship or Place of Organization
Australia	 	
 	 	 	 	
Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With:	5	Sole Voting Power
0	 	
 	 	 	 	 	 	
 	6	Shared Voting Power
3,436,426	 	 	 	 	 	 	 	
 	 	 	 	 	 	 	 	 	 	 	 	
 	7	Sole Dispositive Power
0	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	8	Shared Dispositive Power
3,436,426	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	9	Aggregate Amount Beneficially Owned by Each Reporting Person
3,436,426	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	10	Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) o	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	11	Percent of Class Represented by Amount in Row (9)
7.3%	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	
 	12	Type of Reporting Person (See Instructions)
OO	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	

3

 
Item 1.	
 	(a)	Name of Issuer:
Ardelyx, Inc.	
 	(b)	Address of Issuer’s Principal Executive Offices:
34175 Ardenwood Blvd., Suite 200, Fremont, CA 94555	
 	
Item 2.	
 	(a)	Name of Person Filing:
Future Fund Board of Guardians
Future Fund Investment Company No.4 Pty Ltd	
 	(b)	Address of Principal Business Office or, if none, Residence:
Level 42, 120 Collins Street, Melbourne VIC 300, Australia	
 	(c)	Citizenship:
Australia	
 	(d)	Title and Class of Securities:
Common Stock, $0.0001 par value per share	
 	(e)	CUSIP No.:
039697107	
 	
Item 3.	If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:	
 	Not applicable.	
 
4

 
Item 4.	Ownership	
 	 	
 	(a)	Amount beneficially owned:   
3,436,426	
 	(b)	Percent of class:   
7.3%	
 	(c)	Number of shares as to which such person has:
 	
 	 	(i)	Sole power to vote or to direct the vote:   
0	
 	 	(ii)	Shared power to vote or to direct the vote:    
3,436,426	
 	 	(iii)	Sole power to dispose or to direct the disposition of:   
0	
 	 	(iv)	Shared power to dispose or to direct the disposition of:   
3,436,426	
 	
Item 5.	Ownership of Five Percent or Less of a Class.	
If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following   o .	
 	
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.	
Future Fund Investment Company No.4 Pty Ltd holds, indirectly through The Northern Trust Company, a company incorporated in the State of Illinois, in its capacity as custodian for the Reporting Person, the ownership interest reported herein in Ardelyx, Inc.
 
By virtue of Future Fund Board of Guardians being the parent of Future Fund Investment Company No.4 Pty Ltd, Future Fund Board of Guardians may be deemed to share beneficial ownership of the shares beneficially held by Future Fund Investment Company No.4 Pty Ltd.	
 	
Item 8.	Identification and Classification of Members of the Group.	
Not applicable.	
 	
Item 9.	Notice of Dissolution of Group.	
Not applicable.	
 
5

 
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.	
 
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: July 21, 2016

Executed by Future Fund Board of Guardians	 	 	
by:	 	 	
 	 	 	
/s/ Paul Mann	 	/s/ Cameron Price	
Signature of Authorised Signatory	 	Signature of Authorised Signatory	
 	 	 	
Paul Mann	 	Cameron Price	
Name of Authorised Signatory	 	Name of Authorised Signatory	

Executed by Future Fund Investment Company
No.4 Pty Ltd  by:	 	 	
 	 	 	
/s/ Paul Mann	 	/s/ Kylie Yong	
Signature of Director	 	Signature of Director / Company Secretary	
 	 	 	
Paul Mann	 	Kylie Yong	
Name of Director	 	Name of Director / Company Secretary	
 
6

 
Exhibit Index
 
Exhibit 99.1                             Joint Filing Agreement, dated as of July 21, 2016, by and between  Future Fund Board of Guardians and Future Fund Investment Company No.4 Pty Ltd.
 
7

Exhibit 99.1
 
JOINT FILING AGREEMENT
 
This JOINT FILING AGREEMENT (this “Agreement”), is made and entered into as of July 21, 2016, by and between Future Fund Board of Guardians (“ FFBG ”) and Future Fund Investment Company No.4 Pty Ltd (“ FF ” and together with FFBG, the “ FF Parties ”).
 
The FF Parties hereby acknowledge and agree that the Statement on Schedule 13G to which this Agreement is attached as an exhibit (the “ Statement ”), relating to the common stock, $0.0001 par value per share, of Ardelyx, Inc., is filed with the Securities and Exchange Commission pursuant to Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, on behalf of each of the FF Parties and that any subsequent amendments to the Statement shall be filed on behalf of each of the FF Parties without the necessity of filing additional joint filing agreements. Each FF Party acknowledges that it shall be responsible for the timely filing of any such amendments and for the completeness and accuracy of the information concerning him or it contained herein and therein, but shall not be responsible for the completeness or accuracy of the information concerning the other FF Party, except to the extent it knows or has reason to believe that such information is inaccurate.
 
This Agreement may be executed in any number of counterparts, each of which shall be deemed to be an original, but all of which together shall constitute one and the same instrument.
 
[Signature Page Follows]

 
IN WITNESS WHEREOF, each of the undersigned hereby executes this Agreement as of the date first set forth above.

Executed by Future Fund Board of Guardians	 	 	
by:	 	 	
 	 	 	
/s/ Paul Mann	 	/s/ Cameron Price	
Signature of Authorised Signatory	 	Signature of Authorised Signatory	
 	 	 	
Paul Mann	 	Cameron Price	
Name of Authorised Signatory	 	Name of Authorised Signatory	

Executed by Future Fund Investment Company
No.4 Pty Ltd  by:	 	 	
 	 	 	
/s/ Paul Mann	 	/s/ Kylie Yong	
Signature of Director	 	Signature of Director / Company Secretary	
 	 	 	
Paul Mann	 	Kylie Yong	
Name of Director	 	Name of Director / Company Secretary