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   37,342,726 3,167,322 SH   SOLE   3,167,322 0 0
Excelerate Energy, Inc. Common 30069T101   196,746,883 7,854,167 SH   SOLE   7,854,167 0 0
BOK Financial Corp. Common 05561Q201   332,934,345 3,207,769 SH   SOLE   3,207,769 0 0
PROCEPT BioRobotics Corp Common M8744T106   4,766,217 114,738 SH   SOLE   114,738 0 0
Boston Omaha Corp - CL A Common 101044105   4,956,984 187,056 SH   OTR   140,932 0 46,124
Adobe Inc. Common 00724F101   1,269,055 3,771 SH   OTR   0 0 3,771
Alight, Inc. - CL A Common 01626W101   2,358,147 282,075 SH   OTR   0 0 282,075
Alphabet, Inc. - CL A Common 02079K107   1,454,207 16,482 SH   OTR   0 0 16,482
Alphabet, Inc. - CL C Common 02079K107   2,628,183 29,620 SH   OTR   0 0 29,620
Amazon.com, Inc. Common 023135106   1,839,096 21,894 SH   OTR   0 0 21,894
Analog Devices, Inc. Common 032654105   2,367,937 14,436 SH   OTR   0 0 14,436
Aon PLC Common G0403H108   2,680,250 8,930 SH   OTR   0 0 8,930
Autodesk, Inc. Common 052769106   1,482,813 7,935 SH   OTR   0 0 7,935
Berkshire Hathaway Inc. - CL B Common 084670702   2,435,677 7,885 SH   OTR   0 0 7,885
Catalent, Inc. Common 148806102   1,381,222 30,687 SH   OTR   0 0 30,687
CoStar Group, Inc. Common 22160N109   2,499,699 32,346 SH   OTR   0 0 32,346
Coupa Software Incorporated Common 22266L106   1,502,567 18,979 SH   OTR   0 0 18,979
CyberArk Software Ltd. Common M2682V108   3,779,427 29,151 SH   OTR   0 0 29,151
Dollar General Corp Common 256677105   1,412,983 5,738 SH   OTR   0 0 5,738
Dollar Tree, Inc. Common 256746108   1,878,465 13,281 SH   OTR   0 0 13,281
eBay Inc. Common 278642103   1,122,883 27,077 SH   OTR   0 0 27,077
Ericsson (Telefonaktiebolaget LM Ericsson) - Series B Common 294821608   1,748,858 299,462 SH   OTR   0 0 299,462
HEICO Corporation Common 422806109   1,872,257 12,186 SH   OTR   0 0 12,186
IZEA Worldwide, Inc. Common 46604H105   200,393 369,047 SH   OTR   0 0 369,047
JPMorgan Chase & Co. Common 46625H100   2,904,204 21,657 SH   OTR   0 0 21,657
Masonite International Corporation Common 575385109   5,472,049 67,883 SH   OTR   0 0 67,883
Microsoft Corporation Common 594918104   3,981,492 16,602 SH   OTR   0 0 16,602
Mohawk Industries, Inc. Common 608190104   1,638,689 16,031 SH   OTR   0 0 16,031
Moodys Corporation Common 615369105   2,082,127 7,473 SH   OTR   0 0 7,473
Morningstar, Inc. Common 617700109   3,441,615 15,890 SH   OTR   0 0 15,890
NICE Ltd. Common 617700110   3,069,300 15,961 SH   OTR   0 0 15,961
Primo Water Corporation Common 74167P108   4,592,536 295,530 SH   OTR   0 0 295,530
PTC Inc. Common 69366J200   6,442,427 53,669 SH   OTR   0 0 53,669
Resideo Technologies, Inc. Common 76118Y104   3,774,847 229,474 SH   OTR   0 0 229,474
Ryanair Holdings PLC Common 783513203   2,135,594 28,566 SH   OTR   0 0 28,566
S&P Global Inc. Common 78409V104   2,106,438 6,289 SH   OTR   0 0 6,289
Salesforce, Inc. Common 79466L302   1,261,992 9,518 SH   OTR   0 0 9,518
ServiceNow, Inc. Common 81762P102   7,298,311 18,797 SH   OTR   0 0 18,797
Thermo Fisher Scientific Inc. Common 883556102   3,106,993 5,642 SH   OTR   0 0 5,642
Tyler Technologies, Inc. Common 902252105   2,940,379 9,120 SH   OTR   0 0 9,120
Visa Inc. - CL A Common 92826C839   3,231,915 15,556 SH   OTR   0 0 15,556
Workiva Inc. - CL A Common 98139A105   4,426,982 52,721 SH   OTR   0 0 52,721
Zuora Inc Common 98983V106   1,630,488 256,366 SH   OTR   0 0 256,366