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 FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
ABBOTT LABS COM 002824100   1,086,262 9,894 SH   SOLE   0 0 9,894
ABBVIE INC COM 00287Y109   1,553,719 9,614 SH   SOLE   0 0 9,614
ADOBE SYSTEMS INCORPORATED COM 00724F101   1,076,896 3,200 SH   SOLE   0 0 3,200
AIR LEASE CORP CL A 00912X302   28,500,869 741,824 SH   SOLE   0 0 741,824
ALPHABET INC CAP STK CL A 02079K305   1,836,066 20,810 SH   SOLE   0 0 20,810
ALPHABET INC CAP STK CL C 02079K107   1,128,646 12,720 SH   SOLE   0 0 12,720
AMAZON COM INC COM 023135106   60,361,728 718,592 SH   SOLE   0 0 718,592
AMERICAN EXPRESS CO COM 025816109   280,725 1,900 SH   SOLE   0 0 1,900
AMERICAN TOWER CORP NEW COM 03027X100   24,073,864 113,631 SH   SOLE   0 0 113,631
APPLE INC COM 037833100   4,405,147 33,904 SH   SOLE   0 0 33,904
AUTOMATIC DATA PROCESSING IN COM 053015103   334,404 1,400 SH   SOLE   0 0 1,400
BERKSHIRE HATHAWAY CLASS A 1/100 COM 084670108   4,687,109 10 SH   SOLE   0 0 10
BERKSHIRE HATHAWAY CLASS B COM 084670207   3,326,853 10,770 SH   SOLE   0 0 1,077
BILL COM HLDGS INC COM 090043100   464,823 4,266 SH   SOLE   0 0 4,266
BLACKLINE INC COM 09239B109   41,073,649 610,579 SH   SOLE   0 0 610,579
BLUE OWL CAPITAL INC COM CL A 09581B103   4,306,833 406,305 SH   SOLE   0 0 406,305
CIGNA CORP NEW COM 125523100   546,711 1,650 SH   SOLE   0 0 1,650
COSTCO WHSL CORP NEW COM 22160K105   467,456 1,024 SH   SOLE   0 0 1,024
COUPA SOFTWARE INC COM 22266L106   15,275,139 192,941 SH   SOLE   0 0 192,941
DISNEY WALT CO COM 254687106   569,412 6,554 SH   SOLE   0 0 6,554
DUCK CREEK TECHNOLOGIES INC SHS 264120106   12,777,205 1,060,349 SH   SOLE   0 0 1,060,349
ELECTRONIC ARTS INC COM 285512109   10,128,600 82,899 SH   SOLE   0 0 82,899
EQUINIX INC COM 29444U700   26,110,806 39,862 SH   SOLE   0 0 39,862
EXXON MOBIL CORP COM 30231G102   1,433,790 12,999 SH   SOLE   0 0 12,999
GLOBAL E ONLINE LTD SHS M5216V106   7,776,017 376,745 SH   SOLE   0 0 376,745
ICU MED INC COM 44930G107   393,700 2,500 SH   SOLE   0 0 2,500
JOHNSON & JOHNSON COM 478160104   2,873,389 16,266 SH   SOLE   0 0 16,266
MERCK & CO INC COM 58933Y105   905,130 8,158 SH   SOLE   0 0 8,158
MICROSOFT CORP COM 594918104   6,387,606 26,635 SH   SOLE   0 0 26,635
NETFLIX INC COM 64110L106   114,478,019 388,219 SH   SOLE   0 0 388,219
NORTHERN TR CORP COM 665859104   340,686 3,850 SH   SOLE   0 0 3,850
OKTA INC CL A 679295105   16,720,146 244,697 SH   SOLE   0 0 244,697
ORACLE CORP COM 68389X105   594,658 7,275 SH   SOLE   0 0 7,275
PAYPAL HLDGS INC COM 70450Y103   24,672,745 346,430 SH   SOLE   0 0 346,430
PEPSICO INC COM 713448108   202,339 1,120 SH   SOLE   0 0 1,120
PFIZER INC COM 717081103   445,788 8,700 SH   SOLE   0 0 8,700
QUALCOMM INC COM 747525103   5,846,389 53,178 SH   SOLE   0 0 53,178
SHOPIFY INC CL A 82509L107   74,326,363 2,141,353 SH   SOLE   0 0 2,141,353
SPDR S&P 500 ETF TR TR UNIT 78462F103   780,157 2,040 SH   SOLE   0 0 2,040
PRICE T ROWE GROUP INC COM 74144T108   2,200,395 20,176 SH   SOLE   0 0 20,176
TELEFLEX INCORPORATED COM 879369106   299,556 1,200 SH   SOLE   0 0 1,200
VANGUARD INDEX FDS TOTAL STK MKT 922908769   2,556,210 13,370 SH   SOLE   0 0 13,370
VANGUARD SCOTTSDALE FDS SHORT TERM TREAS 92206C102   1,053,596 18,222 SH   SOLE   0 0 18,222