Barton Investment Management - Stock Holdings in 13F Filings (SEC)

Updated on March 15, 2026.

Based on 13F Filings filed with the SEC on January 21, 2026, for the 2025 Q4 period, Barton Investment Management held in its portfolio 52 assets valued at $928,110,062 (i.e. $928.11M).

The most valuable assets in the portfolio included: SHOPIFY INC ($264.06M), NETFLIX INC ($222.37M), and AMAZON COM INC ($116.72M).

The chart below shows the top 10 valuable assets, and the table below shows the top 52 valuable assets.

You can see similar for other investment managers.

Related Topics: SEC Topic List.
Data Source: SEC.
Top Valuable Stocks in Barton Investment Management Portfolio
SHOPIFY INC
NETFLIX INC
AMAZON COM INC
GLOBAL E ONLINE LTD
BLUE OWL CAPITAL INC
EQUINIX INC
AIR LEASE CORP
KLAVIYO INC
OKTA INC
GITLAB INC
Barton Investment Management - Stock Holdings in 13F Filings (SEC)
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Name of Issuer No. of Shares Value ($) Class
SHOPIFY INC 1640426 264059374 CL A SUB VTG SHS
NETFLIX INC 2371717 222372186 COM
AMAZON COM INC 505676 116720135 COM
GLOBAL E ONLINE LTD 1079254 42425475 SHS
BLUE OWL CAPITAL INC 1950164 29135451 COM CL A
EQUINIX INC 35256 27011737 COM
AIR LEASE CORP 403246 25900491 CL A
KLAVIYO INC 670042 21756264 COM SER A
OKTA INC 250886 21694113 CL A
GITLAB INC 558603 20964371 CLASS A COM
GFL ENVIRONMENTAL INC 420150 18045443 SUB VTG SHS
AMERICAN TOWER CORP NEW 79208 13906549 COM
MICROSOFT CORP 24461 11829829 COM
ELECTRONIC ARTS INC 49065 10025452 COM
BLACKLINE INC 160204 8857680 COM
QUALCOMM INC 47081 8053286 COM
BERKSHIRE HATHAWAY INC DEL 10 7548000 CL A
APPLE INC 25402 6905788 COM
PAYPAL HLDGS INC 117171 6840443 COM
ALPHABET INC 19410 6075330 CAP STK CL A
BERKSHIRE HATHAWAY INC Cl B 10465 5260232 Cl B
VANGUARD INDEX FDS 10752 3604824 TOTAL STK MKT
ALPHABET INC 10635 3337263 CAP STK CL C
JOHNSON & JOHNSON 14817 3066379 COM
ABBVIE INC 9614 2196703 COM
SYMBOTIC INC 30658 1824151 CLASS A COM
PRICE T ROWE GROUP INC 16440 1683128 COM
VANGUARD SCOTTSDALE FDS 26589 1561572 SHORT TERM TREAS
EXXON MOBIL CORP 12434 1496308 COM
DOORDASH INC 6000 1358880 CL A
ABBOTT LABS 9894 1239620 COM
ORACLE CORP 5785 1127555 COM
ADOBE INC 3200 1119968 COM
COSTCO WHSL CORP NEW 1024 883037 COM
MERCK & CO INC 8158 858712 COM
BILL HOLDINGS INC 15117 824482 COM
NVIDIA CORPORATION 4016 748984 COM
DISNEY WALT CO 6289 715500 COM
SPDR S&P 500 ETF TR 839 572131 TR UNIT
AMERICAN EXPRESS CO 1544 571203 COM
META PLATFORMS INC 779 514211 CL A
SCHWAB STRATEGIC TR 16800 452088 US LRG CAP ETF
AUTOMATIC DATA PROCESSING IN 1400 360122 COM
VERTIV HOLDINGS CO 2210 358043 COM CL A
BROADCOM INC 995 344406 COM
CISCO SYS INC 4265 328533 COM
NORTHERN TR CORP 2250 307328 COM
THE CIGNA GROUP 1080 297249 COM
WALMART INC 2535 282425 COM
PFIZER INC 9803 244084 COM
VANGUARD INDEX FDS 1235 235873 VALUE ETF
TWILIO INC 1460 207671 CL A