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13F-HR filed by Barton Investment Management

Barton Investment Management filed this 13F-HR for the quarter ended 2025-12-31, filed 2026-01-21, with 52 holding rows worth $928,110,062.

Accession
0001387818-26-000001
Filed
2026-01-21
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q4 2025

A holdings report, 52 entries on the cover page, a total value of $928,110,062 stated on the cover page (in dollars after the unit check, H1), rows summing to $928,110,062 with VALUE read as dollars as filed, 13F file number 028-12324. The quarter's positions are built on this report. The resolved quarter.

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
SHOPIFY INC82509L107CL A SUB VTG SHS1,640,426$264,059,374dollars as filed
Netflix, Inc64110L106COM2,371,717$222,372,186dollars as filed
Amazon.com, Inc023135106COM505,676$116,720,135dollars as filed
GLOBAL-E ONLINE LTD NPVM5216V106SHS1,079,254$42,425,475dollars as filed
BLUE OWL CAPITAL INC COM CL A09581B103Stock1,950,164$29,135,451dollars as filed
EQUINIX INC COM29444U700REIT35,256$27,011,737dollars as filed
AIR LEASE CORP00912X302CL A403,246$25,900,491dollars as filed
KLAVIYO INC COM SER A49845K101Stock670,042$21,756,264dollars as filed
OKTAINCCLASSA679295105STOK250,886$21,694,113dollars as filed
GITLAB INC CLASS A COM37637K108Stock558,603$20,964,371dollars as filed
GFL ENVIRONMENTAL INC SUB VTG SHS36168Q104Stock420,150$18,045,443dollars as filed
American Tower Corporation03027X100COM79,208$13,906,549dollars as filed
Microsoft Corp594918104COM24,461$11,829,829dollars as filed
ELECTRONIC ARTS INC COM285512109Stock49,065$10,025,452dollars as filed
BLACKLINE, INC.09239B109COM160,204$8,857,680dollars as filed
Qualcomm Incorporated747525103COM47,081$8,053,286dollars as filed
BERKSHIRE HATHAWAY INC DEL084670108CL A10$7,548,000dollars as filed
Apple Inc037833100COM25,402$6,905,788dollars as filed
PAYPALHLDGSINC70450Y103STOK117,171$6,840,443dollars as filed
Alphabet Inc. Reg. Shares A02079K305COM19,410$6,075,330dollars as filed
BERKSHIRE HATHAWAY INC DEL084670207CLB10,465$5,260,232dollars as filed
VTI922908769COM10,752$3,604,824dollars as filed
Alphabet Inc. Reg. Shares C02079K107COM10,635$3,337,263dollars as filed
Johnson & Johnson478160104COM14,817$3,066,379dollars as filed
AbbVie,Inc.00287Y109COM9,614$2,196,703dollars as filed
SYMBOTIC INC87151X101CLASS A COM30,658$1,824,151dollars as filed
PRICE T ROWE GROUP INC COM74144T108Stock16,440$1,683,128dollars as filed
Vanguard Short-Term Treasury ETF92206C102SHS26,589$1,561,572dollars as filed
EXXON MOBIL CORP30231G102COM12,434$1,496,308dollars as filed
DOORDASH INC CL A25809K105Stock6,000$1,358,880dollars as filed
Abbott Laboratories002824100COM9,894$1,239,620dollars as filed
Oracle Corporation68389X105COM5,785$1,127,555dollars as filed
Adobe Inc00724F101COM3,200$1,119,968dollars as filed
Costco Wholesale Corporation22160K105COM1,024$883,037dollars as filed
Merck & Co.,Inc.58933Y105COM8,158$858,712dollars as filed
BILL HOLDINGS INC090043100COM15,117$824,482dollars as filed
NVIDIA Corp67066G104COM4,016$748,984dollars as filed
Walt Disney Co254687106COM6,289$715,500dollars as filed
SPY78462F103SHS839$572,131dollars as filed
American Express Company025816109COM1,544$571,203dollars as filed
META PLATFORMS INC CL A30303M102COM779$514,211dollars as filed
Schwab U.S. Large-Cap ETF808524201SHS16,800$452,088dollars as filed
Automatic Data Processing,Inc.053015103COM1,400$360,122dollars as filed
VERTIV HOLDINGS CO COM CL A92537N108Stock2,210$358,043dollars as filed
Broadcom Inc.11135F101COM995$344,406dollars as filed
Cisco Systems,Inc.17275R102COM4,265$328,533dollars as filed
NORTHERN TR CORP COM665859104Stock2,250$307,328dollars as filed
Cigna Corporation125523100COM1,080$297,249dollars as filed
Walmart Inc.931142103COM2,535$282,425dollars as filed
Pfizer Inc.717081103COM9,803$244,084dollars as filed
Vanguard Value ETF922908744SHS1,235$235,873dollars as filed
TWILIO INC CL A90138F102Stock1,460$207,671dollars as filed

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001387818-26-000001this filing2026-01-21acceptance time not in the bulk data set