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Barton Investment Management

Q3 2026 13F filing

Updated 9 days ago

58 disclosed positions worth $806.6M

Portfolio value
$806.6M
Total holdings
58
New positions
2
Closed positions
4
Increased
12
Decreased
22
Turnover
10.3%
Filed
2026-10-27

Full holdings

Every line item disclosed in Q3 2026

S

SHOPIFY INC

-5.0%
Value
$222.6M
Shares
1.50M
% Port
27.60%
N

NETFLIX INC.

-1.1%
Value
$157.1M
Shares
2.26M
% Port
19.47%
A

AMAZON COM INC

-2.5%
Value
$118.3M
Shares
474.8K
% Port
14.66%
O

OKTA INC

-3.9%
Value
$43.1M
Shares
206.0K
% Port
5.34%
G

GLOBAL E ONLINE LTD

-7.7%
Value
$39.9M
Shares
1.01M
% Port
4.95%
E

EQUINIX INC

-2.8%
Value
$31.4M
Shares
31.0K
% Port
3.89%
G

GITLAB INC

+19.4%
Value
$27.1M
Shares
573.7K
% Port
3.36%
K
8.KSS

KLAVIYO INC

+7.5%
Value
$21.2M
Shares
1.35M
% Port
2.63%
O

BLUE OWL CAPITAL INC

+0.2%
Value
$19.2M
Shares
2.11M
% Port
2.38%
G
10.GFL

GFL ENVIRONMENTAL INC

-1.8%
Value
$17.1M
Shares
408.1K
% Port
2.12%
M
11.MSFT

MICROSOFT CORP

+1.6%
Value
$12.7M
Shares
24.8K
% Port
1.58%
A
12.AMT

AMERICAN TOWER CORP

-2.8%
Value
$12.3M
Shares
74.9K
% Port
1.52%
A
13.AAPL

APPLE INC

-1.3%
Value
$8.2M
Shares
24.5K
% Port
1.01%
B

BERKSHIRE HATHAWAY INC DEL

Unchanged
Value
$7.5M
Shares
10
% Port
0.93%
Q
15.QCOM

QUALCOMM INC

-0.2%
Value
$7M
Shares
38.0K
% Port
0.87%
G

ALPHABET INC

-0.6%
Value
$6.6M
Shares
19.2K
% Port
0.82%
B

BERKSHIRE HATHAWAY CL B

Unchanged
Value
$5.1M
Shares
10.3K
% Port
0.63%
R
18.RPRX

ROYALTY PHARMA PLC

+189.7%
Value
$5.1M
Shares
87.0K
% Port
0.63%
P
19.PYPL

PAYPAL HLDGS INC

-13.5%
Value
$4.5M
Shares
85.7K
% Port
0.56%
S
20.SYM

SYMBOTIC INC

+75.3%
Value
$3.9M
Shares
93.7K
% Port
0.49%
V
21.VGES

VANGUARD INDEX FDS

-4.9%
Value
$3.8M
Shares
10.1K
% Port
0.47%
J
22.JNJ

JOHNSON & JOHNSON

-1.3%
Value
$3.7M
Shares
14.0K
% Port
0.46%
G

ALPHABET INC

Unchanged
Value
$3.6M
Shares
10.6K
% Port
0.45%
B
24.BL

BLACKLINE INC

-38.7%
Value
$2M
Shares
77.2K
% Port
0.25%
?
25.N/A

INVESCO EXCH TRADED FD TR II

-2.7%
Value
$2M
Shares
19.0K
% Port
0.25%
A
26.ABBV

ABBVIE INC

Unchanged
Value
$2M
Shares
7.6K
% Port
0.25%
V
27.VGES

VANGUARD SCOTTSDALE FDS

+6.7%
Value
$1.6M
Shares
27.7K
% Port
0.20%
S

SCHWAB STRATEGIC TR

Value
$1.5M
Shares
62.4K
% Port
0.18%
T
29.TROW

PRICE T ROWE GROUP INC

-2.9%
Value
$1.4M
Shares
13.6K
% Port
0.18%
X
30.XOM

EXXONMOBIL HOLDINGS CORP

Value
$1.3M
Shares
8.1K
% Port
0.16%
M
31.MRK

MERCK & CO INC

Unchanged
Value
$1.2M
Shares
8.2K
% Port
0.15%
C
32.COST

COSTCO WHOLESALE CORPORATION

Unchanged
Value
$932K
Shares
1.0K
% Port
0.12%
N
33.NVDA

NVIDIA CORPORATION

+1.9%
Value
$900K
Shares
3.9K
% Port
0.11%
O

ORACLE CORP

Unchanged
Value
$794K
Shares
5.8K
% Port
0.10%
A
35.ABT

ABBOTT LABORATORIES

Unchanged
Value
$777K
Shares
7.9K
% Port
0.10%
A
36.ADBE

ADOBE INC

Unchanged
Value
$768K
Shares
3.2K
% Port
0.10%
C
37.CSCO

CISCO SYS INC

+3.5%
Value
$566K
Shares
5.3K
% Port
0.07%
S
38.SPY

STATE STR SPDR S&P 500 ETF T

-13.1%
Value
$556K
Shares
729
% Port
0.07%
D
39.DIS

DISNEY WALT CO

Unchanged
Value
$555K
Shares
5.3K
% Port
0.07%
S

SCHWAB STRATEGIC TR

+0.3%
Value
$507K
Shares
16.9K
% Port
0.06%
V
41.VRT

VERTIV HOLDINGS CO

Unchanged
Value
$478K
Shares
2.0K
% Port
0.06%
D
42.DELL

DELL TECHNOLOGIES INC

Unchanged
Value
$471K
Shares
875
% Port
0.06%
M
43.META

META PLATFORMS INC

Unchanged
Value
$456K
Shares
629
% Port
0.06%
A
44.AXP

AMERICAN EXPRESS CO

Unchanged
Value
$444K
Shares
1.5K
% Port
0.06%
I
45.INTC

INTEL CORP

-12.5%
Value
$407K
Shares
3.4K
% Port
0.05%
T
46.TWLO

TWILIO INC

Unchanged
Value
$385K
Shares
1.3K
% Port
0.05%
A
47.ADP

AUTOMATIC DATA PROCESSING IN

Unchanged
Value
$361K
Shares
1.4K
% Port
0.04%
A
48.AMD

ADVANCED MICRO DEVICES INC

-15.0%
Value
$346K
Shares
565
% Port
0.04%
A
49.AVGO

BROADCOM INC

Unchanged
Value
$339K
Shares
965
% Port
0.04%
N

NORTHERN TR CORP

-11.1%
Value
$339K
Shares
2.0K
% Port
0.04%