Institutions / Barton Investment Management

Barton Investment Management

CIK 1387818 · Institution · as of Mar 31, 2026
Portfolio value
$797.33M
Positions
54
As of
Mar 31, 2026

Portfolio trend

Portfolio value

$797.33M-14.1%
$928.11M$862.72M$797.33MQ4 '25Q1 '26

Positions

54+3.8%
545352Q4 '25Q1 '26

Top holdings

Mar 31, 2026View all 54 →
CompanyClassValueShares% of portfolio
Netflix Inc$225.28M2,342,96228.3%
Shopify Inc$190.14M1,602,95923.8%
Amazon.com Inc$103.56M497,23813.0%
Global E Online Ltd$33.57M1,088,2144.2%
Equinix Inc$32.19M32,8404.0%
Sumisho Air Lease Corp$22.08M340,0332.8%
Klaviyo, Inc.$20.43M1,050,0522.6%
Blue Owl Capital Inc.$18.63M2,040,7312.3%
Okta, Inc.$17.83M226,5762.2%
Gfl Environmental Inc$17.50M419,4752.2%
American Tower Corp$13.54M78,4331.7%
Gitlab Inc.$12.01M554,9431.5%
Microsoft Corp$9.04M24,4161.1%
Electronic Arts Inc.$8.91M43,6951.1%
Berkshire Hathaway Inc Del$7.18M100.9%
Apple Inc.$6.31M24,8620.8%
Blackline, Inc.$5.87M158,6440.7%
Alphabet Inc.$5.53M19,2450.7%
Berkshire Hathaway Cl B$4.91M10,2550.6%
PayPal Holdings, Inc.$4.82M106,6540.6%
Qualcomm INC/DE$4.74M36,8000.6%
Johnson & Johnson$3.47M14,2020.4%
Vanguard Index Fds$3.41M10,6170.4%
Alphabet Inc.$3.05M10,6350.4%
Invesco Bloomberg Enhanced Fallen Angels ETF$2.16M20,4300.3%

Activity

InsidersInstitutions
This fund's 13F position changes — what it's buying and selling.
DateActionCompanyValueShares ΔPosition afterImpact
Q1 2026
as of
AddKlaviyo, Inc.
Common stock
$7.39M+380K
+56.71%
1,050,052
2.56% of portfolio
medium
Q1 2026
as of
Trim82509L107
Common stock
$-4.44M-37K
-2.28%
1,602,959
23.85% of portfolio
low
Q1 2026
as of
TrimSumisho Air Lease Corp
Common stock
$-4.11M-63K
-15.68%
340,033
2.77% of portfolio
low
Q1 2026
as of
TrimNetflix Inc
Common stock
$-2.76M-29K
-1.21%
2,342,962
28.25% of portfolio
low
Q1 2026
as of
TrimEquinix Inc
Common stock
$-2.37M-2K
-6.85%
32,840
4.04% of portfolio
low
Q1 2026
as of
NewInvesco Bloomberg Enhanced Fallen Angels ETF
Common stock
$2.16M+20K
20,430
0.27% of portfolio
low
Q1 2026
as of
TrimOkta, Inc.
Common stock
$-1.91M-24K
-9.69%
226,576
2.24% of portfolio
low
Q1 2026
as of
TrimAmazon.com Inc
Common stock
$-1.76M-8K
-1.67%
497,238
12.99% of portfolio
low
Q1 2026
as of
TrimQualcomm INC/DE
Common stock
$-1.32M-10K
-21.84%
36,800
0.59% of portfolio
low
Q1 2026
as of
TrimElectronic Arts Inc.
Common stock
$-1.09M-5K
-10.94%
43,695
1.12% of portfolio
low