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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
OMB APPROVAL
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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 FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
BLACK STONE MINERALS L P Black Stone Minerals - Subordinated 09225M101   315,385 157 SH   SOLE   157 0 0
FIRST TR EXCHANGE-TRADED FD ENERGY INM PARTN 33739Q804   61,532,484 2,400,565 SH   SOLE   2,400,565 0 0
FIRST TR EXCHANGE-TRADED FD NO AMER ENERGY 33738D101   71,050,916 1,894,186 SH   SOLE   1,894,186 0 0
ISHARES TR 10-20 YR TRS ETF 464288653   77,692,912 764,694 SH   SOLE   764,694 0 0
ISHARES TR 1 3 YR TREAS BD 464287457   5,322,843 64,239 SH   SOLE   64,239 0 0
ISHARES TR 20 YR TR BD ETF 464287432   19,115,215 216,603 SH   SOLE   216,603 0 0
ISHARES TR 7-10 YR TRSY BD 464287440   246,872,938 2,577,769 SH   SOLE   2,577,769 0 0
ISHARES TR CORE US AGGBD ET 464287226   9,986,563 100,671 SH   SOLE   100,671 0 0
ISHARES TR INTL TREA BD ETF 464288117   2,648,624 61,453 SH   SOLE   61,453 0 0
ISHARES TR MBS ETF 464288588   30,191,926 321,567 SH   SOLE   321,567 0 0
ISHARES TR PARIS ALIGNED CL 46436E411   12,647,103 189,158 SH   SOLE   189,158 0 0
ISHARES TR US TREAS BD ETF 46429B267   11,765,668 511,996 SH   SOLE   511,996 0 0
NUSHARES ETF TR NUVEEN ESG INTL 67092P805   430,068 12,118 SH   SOLE   12,118 0 0
NUSHARES ETF TR NUVEEN ESG LRGCP 67092P201   7,512,806 79,966 SH   SOLE   79,966 0 0
NUSHARES ETF TR NUVEEN ESG EMRGN 67092P888   5,443,783 163,920 SH   SOLE   163,920 0 0
SCHWAB STRATEGIC TR US TIPS ETF 808524870   146,737,332 5,499,900 SH   SOLE   5,499,900 0 0
SELECT SECTOR SPDR TR ENERGY 81369Y506   9,983,748 117,719 SH   SOLE   117,719 0 0
SPDR GOLD TR GOLD SHS 78463V107   91,970,871 301,712 SH   SOLE   301,712 0 0
SPDR SERIES TRUST BLOOMBERG INTL T 78464A516   187,550,552 7,984,272 SH   SOLE   7,984,272 0 0
VANGUARD INDEX FDS REAL ESTATE ETF 922908553   6,258,157 70,269 SH   SOLE   70,269 0 0
VANGUARD INDEX FDS S&P 500 ETF SHS 922908363   552,034,845 971,841 SH   SOLE   971,841 0 0
VANGUARD INDEX FDS TOTAL STK MKT 922908769   4,938,863 16,250 SH   SOLE   16,250 0 0
VANGUARD INTL EQUITY INDEX F FTSE EMR MKT ETF 922042858   93,205,045 1,884,453 SH   SOLE   1,884,453 0 0
VANGUARD INTL EQUITY INDEX F GLB EX US ETF 922042676   680,482 14,745 SH   SOLE   14,745 0 0
VANGUARD INTL EQUITY INDEX F TT WRLD ST ETF 922042742   140,239,098 1,091,185 SH   SOLE   1,091,185 0 0
VANGUARD TAX-MANAGED FDS VAN FTSE DEV MKT 921943858   7,635,919 133,940 SH   SOLE   133,940 0 0