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
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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
ASPEN AEROGELS, INC. Common 04523Y105   18,750,546 3,167,322 SH   SOLE   3,167,322 0 0
BOK FINANCIAL CORP Common 05561Q201   328,203,454 3,361,707 SH   SOLE   3,361,707 0 0
BOSTON OMAHA CORPORATION Common 101044105   1,978,685 140,932 SH   SOLE   140,932 0 0
Excelerate Energy, Inc. Common 30069T101   230,284,176 7,854,167 SH   SOLE   7,854,167 0 0
Alphabet Inc. Common 02079K305   447,800 2,541 SH   OTR   2,541 0 0
AMAZON.COM, INC. Common 023135106   473,005 2,156 SH   OTR   2,156 0 0
Apple Inc. Common 037833100   391,464 1,908 SH   OTR   1,908 0 0
Arista Networks, Inc. Common 040413106   499,682 4,884 SH   OTR   4,884 0 0
ARTHUR J. GALLAGHER & CO. Common 363576109   413,275 1,291 SH   OTR   1,291 0 0
AUTOZONE, INC. Common 053332102   441,755 119 SH   OTR   119 0 0
Axon Enterprise, Inc. Common 05464C101   681,395 823 SH   OTR   823 0 0
BERKSHIRE HATHAWAY INC. Common 084670702   412,419 849 SH   OTR   849 0 0
Blackstone Inc. Common 09260D107   439,765 2,940 SH   OTR   2,940 0 0
Broadcom Inc. Common 11135F101   630,412 2,287 SH   OTR   2,287 0 0
BROWN & BROWN, INC. Common 115236101   417,758 3,768 SH   OTR   3,768 0 0
CADENCE DESIGN SYSTEMS, INC. Common 127387108   500,127 1,623 SH   OTR   1,623 0 0
Cintas Corporation Common 172908105   450,643 2,022 SH   OTR   2,022 0 0
COPART, INC. Common 217204106   365,522 7,449 SH   OTR   7,449 0 0
Costco Wholesale Corporation Common 22160K105   415,775 420 SH   OTR   420 0 0
D.R. Horton, Inc. Common 23331A109   374,513 2,905 SH   OTR   2,905 0 0
EATON CORPORATION plc Common G29183103   508,711 1,425 SH   OTR   1,425 0 0
ELI LILLY AND COMPANY Common 532457108   378,852 486 SH   OTR   486 0 0
Fair Isaac Corporation Common 303250104   396,667 217 SH   OTR   217 0 0
Gartner, Inc. Common 366651107   361,777 895 SH   OTR   895 0 0
THE HOME DEPOT, INC. Common 437076102   397,071 1,083 SH   OTR   1,083 0 0
INTUIT INC. Common 461202103   539,527 685 SH   OTR   685 0 0
Intuitive Surgical, Inc. Common 46120E602   435,815 802 SH   OTR   802 0 0
iShares Russell Top 200 ETF Common 464289446   20,586,984 134,450 SH   OTR   134,450 0 0
KLA CORPORATION Common 482480100   515,946 576 SH   OTR   576 0 0
LAM RESEARCH CORPORATION Common 512807306   536,733 5,514 SH   OTR   5,514 0 0
LINDE PLC Common G54950103   424,608 905 SH   OTR   905 0 0
Mastercard Incorporated Common 57636Q104   446,180 794 SH   OTR   794 0 0
MercadoLibre, Inc. Common 58733R102   527,953 202 SH   OTR   202 0 0
Meta Platforms, Inc. Common 30303M102   506,330 686 SH   OTR   686 0 0
MICROSOFT CORPORATION Common 594918104   516,312 1,038 SH   OTR   1,038 0 0
Monolithic Power Systems, Inc. Common 609839105   473,203 647 SH   OTR   647 0 0
Moody's Corporation Common 615369105   453,437 904 SH   OTR   904 0 0
MSCI INC. Common 55354G100   420,443 729 SH   OTR   729 0 0
Netflix, Inc. Common 64110L106   629,391 470 SH   OTR   470 0 0
NVIDIA CORPORATION Common 67066G104   557,231 3,527 SH   OTR   3,527 0 0
O'REILLY AUTOMOTIVE, INC. Common 67103H107   427,216 4,740 SH   OTR   4,740 0 0
PALO ALTO NETWORKS, INC. Common 697435105   476,811 2,330 SH   OTR   2,330 0 0
THE PROGRESSIVE CORPORATION Common 743315103   412,832 1,547 SH   OTR   1,547 0 0
S&P Global Inc. Common 78409V104   435,542 826 SH   OTR   826 0 0
THE SHERWIN-WILLIAMS COMPANY Common 824348106   401,044 1,168 SH   OTR   1,168 0 0
SPDR S&P 500 ETF Common 78462F103   24,456,357 39,583 SH   OTR   39,583 0 0
SYNOPSYS, INC. Common 871607107   469,615 916 SH   OTR   916 0 0
Taiwan Semiconductor Manufacturing Company Limited Common 874039100   540,405 2,386 SH   OTR   2,386 0 0
THERMO FISHER SCIENTIFIC INC. Common 883556102   330,450 815 SH   OTR   815 0 0
The TJX Companies, Inc. Common 872540109   421,224 3,411 SH   OTR   3,411 0 0
TRANE TECHNOLOGIES PLC Common G8994E103   507,833 1,161 SH   OTR   1,161 0 0
UnitedHealth Group Incorporated Common 91324P102   747,168 2,395 SH   OTR   2,395 0 0
Vertex Pharmaceuticals Incorporated Common 92532F100   386,879 869 SH   OTR   869 0 0
Waste Management, Inc. Common 94106L109   426,749 1,865 SH   OTR   1,865 0 0
ServiceNow, Inc. Common 81762P102   5,705,844 5,550 SH   OTR   468 0 5,082
TransDigm Group Incorporated Common 893641100   5,135,201 3,377 SH   OTR   308 0 3,069
ALKAMI TECHNOLOGY, INC. Common 01644J108   3,441,867 114,196 SH   OTR   0 0 114,196
Amarin Corporation plc Common 023111404   619,555 38,197 SH   OTR   0 0 38,197
CYBERARK SOFTWARE LTD. Common M2682V108   3,021,491 7,426 SH   OTR   0 0 7,426
DESCARTES SYSTEMS GROUP INC Common 249906108   3,551,171 34,937 SH   OTR   0 0 34,937
HURCO COMPANIES, INC. Common 447324104   849,895 44,968 SH   OTR   0 0 44,968
Intapp, Inc. Common 45827U109   5,309,891 102,865 SH   OTR   0 0 102,865
JABIL INC. Common 466313103   7,411,038 33,980 SH   OTR   0 0 33,980
JFrog Ltd. Common M6191J100   4,831,232 110,101 SH   OTR   0 0 110,101
Procore Technologies, Inc. Common 74275K108   1,585,155 23,168 SH   OTR   0 0 23,168
TANDY LEATHER FACTORY, INC. Common 87538X105   127,132 41,143 SH   OTR   0 0 41,143
TRADEWEB MARKETS INC. Common 892672106   3,198,547 21,848 SH   OTR   0 0 21,848
TYLER TECHNOLOGIES, INC. Common 902252105   2,502,378 4,221 SH   OTR   0 0 4,221