Universe · entity

Barton Investment Management

Institutional manager (13F) · CIK 1387818
13F holdings · as of 2026-03-31 · top 50 · reported portfolio $796M
#IssuerValueShares
1NETFLIX INC.$225M2,342,962
2SHOPIFY INC$190M1,602,959
3AMAZON COM INC$104M497,238
4GLOBAL E ONLINE LTD$34M1,088,214
5EQUINIX INC$32M32,840
6AIR LEASE CORP$22M340,033
7KLAVIYO INC$20M1,050,052
8BLUE OWL CAPITAL INC$19M2,040,731
9OKTA INC$18M226,576
10GFL ENVIRONMENTAL INC$18M419,475
11AMERICAN TOWER CORP$14M78,433
12GITLAB INC$12M554,943
13MICROSOFT CORP$9M24,416
14ELECTRONIC ARTS INC$9M43,695
15BERKSHIRE HATHAWAY INC DEL$7M10
16APPLE INC$6M24,862
17BLACKLINE INC$6M158,644
18ALPHABET INC$6M19,245
19BERKSHIRE HATHAWAY CL B$5M10,255
20PAYPAL HLDGS INC$5M106,654
21QUALCOMM INC$5M36,800
22JOHNSON & JOHNSON$3M14,202
23VANGUARD INDEX FDS$3M10,617
24ALPHABET INC$3M10,635
25INVESCO EXCH TRADED FD TR II$2M20,430
26SYMBOTIC INC$2M36,813
27ABBVIE INC$2M7,578
28VANGUARD SCOTTSDALE FDS$2M25,934
29PRICE T ROWE GROUP INC$1M16,440
30EXXON MOBIL CORP$1M8,240
31COSTCO WHOLESALE CORPORATION$1M1,024
32MERCK & CO INC$981k8,158
33ROYALTY PHARMA PLC$905k18,875
34DOORDASH INC$901k6,000
35ORACLE CORP$851k5,785
36ABBOTT LABORATORIES$807k7,858
37ADOBE INC$778k3,200
38NVIDIA CORPORATION$639k3,666
39DISNEY WALT CO$606k6,289
40STATE STR SPDR S&P 500 ETF T$546k839
41BILL HOLDINGS INC$543k14,182
42VERTIV HOLDINGS CO$522k2,085
43AMERICAN EXPRESS CO$461k1,525
44QXO INC$433k22,305
45SCHWAB STRATEGIC TR$431k16,800
46CISCO SYS INC$394k5,080
47META PLATFORMS INC$360k629
48WALMART INC$315k2,535
49NORTHERN TR CORP$314k2,250
50BROADCOM INC$308k995
All filings on EDGAR ↗

Source: sec_edgar_13f · public regulatory · retrieved 2026-06-29. Public SEC data; no contact information.