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
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
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
Liberty Oilfield Services Inc COM CL A 53115L104 50,684 4,489,265 SH   SOLE NONE 4,489,265 0 0
PIMCO Enhanced Short Maturity Strategy ENHAN SHRT MA AC 72201R833 45,113 442,672 SH   SOLE NONE 442,672 0 0
Vanguard Large-Cap Index Fund ETF Shares LARGE CAP ETF 922908637 42,332 228,452 SH   SOLE NONE 228,452 0 0
Vanguard MSCI EAFE ETF FTSE DEV MKT ETF 921943858 14,738 300,102 SH   SOLE NONE 300,102 0 0
Vanguard Small-Cap Index Fund ETF Shares SMALL CP ETF 922908751 6,709 31,339 SH   SOLE NONE 31,339 0 0
Vanguard MSCI Emerging Markets ETF FTSE EMR MKT ETF 922042858 3,685 70,791 SH   SOLE NONE 70,791 0 0
Schwab International Small-Cap Eq ETF INTL SCEQT ETF 808524888 3,181 80,705 SH   SOLE NONE 80,705 0 0
Vanguard REIT ETF REAL ESTATE ETF 922908553 3,068 33,402 SH   SOLE NONE 33,402 0 0
iShares MSCI Emerging Markets Sm-Cp ETF EM MKT SM-CP ETF 464286475 1,436 24,982 SH   SOLE NONE 24,982 0 0
SPDR S&P 500 Fossil Fuel Rsrv Free ETF SPDR S&P 500 ETF 78468R796 1,403 14,283 SH   SOLE NONE 14,283 0 0
SPDR S&P 500 ETF Trust TR UNIT 78462F103 887 2,239 SH   SOLE NONE 2,239 0 0
iShares Russell 2000 ETF RUSSELL 2000 ETF 464287655 828 3,747 SH   SOLE NONE 3,747 0 0
Cullen/Frost Bankers Inc COM 229899109 807 7,416 SH   SOLE NONE 7,416 0 0
SPDR MSCI ACWI Low Carbon Target ETF LOW CARBON ETF 78463X194 775 6,484 SH   SOLE NONE 6,484 0 0
Apple Inc COM 037833100 715 5,856 SH   SOLE NONE 5,856 0 0
Shopify Inc CL A 82509L107 664 600 SH   SOLE NONE 600 0 0
Invesco WilderHill Clean Energy ETF WILDERHIL CLAN 46137V134 543 5,514 SH   SOLE NONE 5,514 0 0
Schwab Intermediate-Term US Trs ETF INTRM TRM TRES 808524854 373 6,608 SH   SOLE NONE 6,608 0 0
iShares MSCI EAFE ETF MSCI EAFE ETF 464287465 328 4,321 SH   SOLE NONE 4,321 0 0
Halliburton Company COM 406216101 326 15,194 SH   SOLE NONE 15,194 0 0
SPDR Nuveen Blmbg Barclays Muni Bd ETF NUVEEN BRC MUNIC 78468R721 269 5,213 SH   SOLE NONE 5,213 0 0
First Trust Dow Jones Internet ETF DJ INTERNT IDX 33733E302 266 1,218 SH   SOLE NONE 1,218 0 0
PowerShares DB Commodity Tracking ETF UNIT 46138B103 241 14,486 SH   SOLE NONE 14,486 0 0