SC 13G 1 form13g113008.txt LIVE SUBMISSION SECURITIES & EXCHANGE COMMISSION Washington, D.C. 20549 ---------------------- SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.__________)* RIO VISTA ENERGY PARTNERS L.P. ----------------------------------------------------------------------- (Name of Issuer) Common Units ------------------------------------------------------------------------- (Title of Class of Securities) 767271109 ----------------------------------------------------------------------- (CUSIP Number) November 30, 2008 ----------------------------------------------------------------------- (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule 13G is filed: [ ] Rule 13d-1(b) [X] Rule 13d-1(c) [ ] Rule 13d-1(d) (Page 1 of 6 Pages) - ---------------- *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 purposes 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. 767271109 13G Page 2 of 6 Pages ------------------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Ensign Peak Advisors, Inc ------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [ ] (b) [ ] ------------------------------------------------------------------------------- (3) SEC USE ONLY ------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Utah ------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER -0- SHARES ---------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 535,879 OWNED BY ---------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER -0- REPORTING ---------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 535,879 ------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 535,879 ------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] ------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.8155% ------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** CO ------------------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 78442P106 13G Page 3 of 6 Pages Item 1(a). Name of Issuer: RIO VISTA ENERGY PARTNERS L.P. (the "Issuer"). Item 1(b). Address of Issuer's Principal Executive Offices: 1313 E. Alton Gloor Blvd., Suite J, Brownsville, Texas 78526 Item 2(a). Name of Person Filing: Ensign Peak Advisors, Inc Item 2(b). Address of Principal Business Office or, if None, Residence: 50 East North Temple, Room 1560 Salt Lake City, Utah 84150 Item 2(c). Citizenship: Item 2(d). Title of Class of Securities: Common Stock Item 2(e). CUSIP Number: 767271109 CUSIP No. 767271109 13G Page 4 of 6 Pages 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: (a) [ ] Broker or dealer registered under Section 15 of the Act, (b) [ ] Bank as defined in Section 3(a)(6) of the Act, (c) [ ] Insurance Company as defined in Section 3(a)(19) of the Act, (d) [ ] Investment Company registered under Section 8 of the Investment Company Act of 1940, (e) [ ] Investment Adviser in accordance with Rule 13d-1(b)(1)(ii)(E), (f) [ ] Employee Benefit Plan or Endowment Fund in accordance with Rule 13d-1(b)(1)(ii)(F), (g) [ ] Parent Holding Company or control person in accordance with Rule 13d-1(b)(1)(ii)(G), (h) [ ] Savings Association as defined in Section 3(b) of the Federal Deposit Insurance Act, (i) [ ] Church Plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940, (j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J). If this statement is filed pursuant to Rule 13d-1(c), check the box. [X] Item 4. Ownership. Ensign Peak Advisors, Inc (a) Amount beneficially owned: 535,879 (b) Percent of class: 6.8155% (c) Number of shares as to which such person has: (i) Sole power to vote or direct the vote: None (ii) Shared power to vote or direct the vote: 535,879 (iii) Sole power to dispose or direct the disposition: None (iv) Shared power to dispose or direct the disposition: 535,879 CUSIP No. 767271109 13G Page 5 of 6 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. 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. Certification. Because this statement is filed pursuant to Rule 13d-1(b), the following certification is included: 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. 767271109 13G Page 6 of 6 Pages SIGNATURES After reasonable inquiry and to the best of our knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct. DATED: March 2, 2009 Ensign Peak Advisors, Inc By: /s/ Edwin Dennis ----------------------------------------------- Edwin Dennis Authorized Signatory