The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
BLACK STONE MINERALS L P COM UNIT 09225M101 320,448 24,112 SH SOLE 24,112 0 0
FIRST TR EXCHANGE-TRADED FD ENERGY INM PARTN 33739Q804 62,677,659 2,370,562 SH SOLE 2,370,562 0 0
FIRST TR EXCHANGE-TRADED FD NO AMER ENERGY 33738D101 21,214,282 560,187 SH SOLE 560,187 0 0
ISHARES INC CORE MSCI EMKT 46434G103 98,431,792 1,464,323 SH SOLE 1,464,323 0 0
ISHARES TR 1 3 YR TREAS BD 464287457 6,253,301 75,505 SH SOLE 75,505 0 0
ISHARES TR 10-20 YR TRS ETF 464288653 72,908,067 717,105 SH SOLE 717,105 0 0
ISHARES TR 7-10 YR TRSY BD 464287440 198,164,508 2,060,779 SH SOLE 2,060,779 0 0
ISHARES TR CORE US AGGBD ET 464287226 16,349,128 163,688 SH SOLE 163,688 0 0
ISHARES TR INTL TREA BD ETF 464288117 3,044,388 73,077 SH SOLE 73,077 0 0
ISHARES TR PARIS ALIGNED CL 46436E411 20,872,789 286,550 SH SOLE 286,550 0 0
ISHARES TR US TREAS BD ETF 46429B267 12,053,012 523,475 SH SOLE 523,475 0 0
NUSHARES ETF TR NUVEEN ESG EMRGN 67092P888 4,612,911 129,649 SH SOLE 129,649 0 0
NUSHARES ETF TR NUVEEN ESG INTL 67092P805 2,990,511 82,588 SH SOLE 82,588 0 0
SCHWAB STRATEGIC TR US TIPS ETF 808524870 117,312,607 4,428,562 SH SOLE 4,428,562 0 0
SELECT SECTOR SPDR TR STATE STREET TEC 81369Y803 239,557,297 1,663,939 SH SOLE 1,663,939 0 0
SPDR GOLD TR GOLD SHS 78463V107 95,859,463 241,880 SH SOLE 241,880 0 0
SPDR SERIES TRUST BLOOMBERG INTL 78464A151 1,866,090 58,116 SH SOLE 58,116 0 0
SPDR SERIES TRUST BLOOMBERG INTL T 78464A516 167,442,596 7,431,984 SH SOLE 7,431,984 0 0
SPDR SERIES TRUST BLOOMBERG SHORT 78464A334 829,012 30,245 SH SOLE 30,245 0 0
VANGUARD INDEX FDS REAL ESTATE ETF 922908553 6,218,104 70,269 SH SOLE 70,269 0 0
VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 409,032,999 652,230 SH SOLE 652,230 0 0
VANGUARD INTL EQUITY INDEX F FTSE EMR MKT ETF 922042858 5,676,948 105,598 SH SOLE 105,598 0 0
VANGUARD INTL EQUITY INDEX F GLB EX US ETF 922042676 675,911 14,745 SH SOLE 14,745 0 0
VANGUARD INTL EQUITY INDEX F TT WRLD ST ETF 922042742 225,272,562 1,596,998 SH SOLE 1,596,998 0 0
VANGUARD TAX-MANAGED FDS VAN FTSE DEV MKT 921943858 17,744,791 284,053 SH SOLE 284,053 0 0