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BIM

Barton Investment Management Portfolio holdings

AUM $738M
1-Year Est. Return 7.58%
This Fund
S&P 500
This Quarter Est. Return
-2.3%
1 Year Est. Return
-7.58%
3 Year Est. Return
+80.35%
5 Year Est. Return
+43.5%
10 Year Est. Return
+980.2%
AUM
$928M
AUM Growth
-$53.8M
Cap. Flow
-$13.1M
Cap. Flow %
-1.41%
Top 10 Hldgs %
85.34%
Holding
52
New
1
Increased
12
Reduced
19
Closed
–

Top Buys

Rank Stock Value
1
KVYO icon
Klaviyo
KVYO
+$7.7M
2
OWL icon
Blue Owl Capital
OWL
+$469K
3
GLBE icon
Global E Online
GLBE
+$256K
4
TWLO icon
Twilio
TWLO
+$181K
5
GFL icon
GFL Environmental
GFL
+$127K

Top Sells

Rank Stock Value
1
SHOP icon
Shopify
SHOP
+$7.12M
2
NFLX icon
Netflix
NFLX
+$5.54M
3
AL
Air Lease Corp
AL
+$4.47M
4
AMZN icon
Amazon
AMZN
+$1.6M
5
AAPL icon
Apple
AAPL
+$786K

Sector Composition

Rank Sector Weight
1 Technology 39.78%
2 Communication Services 26.19%
3 Consumer Discretionary 17.29%
4 Financials 5.53%
5 Industrials 4.97%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SHOP icon
1
Shopify
SHOP
$169B
$264M 28.45%
1,640,426
-44,363
-3% -$7.12M
NFLX icon
2
Netflix
NFLX
$304B
$222M 23.96%
2,371,717
-51,393
-2% -$5.54M
AMZN icon
3
Amazon
AMZN
$2.49T
$117M 12.58%
505,676
-7,011
-1% -$1.6M
GLBE icon
4
Global E Online
GLBE
$6.54B
$42.4M 4.57%
1,079,254
+6,912
+0.6% +$256K
OWL icon
5
Blue Owl Capital
OWL
$6.62B
$29.1M 3.14%
1,950,164
+29,980
+2% +$469K
EQIX icon
6
Equinix
EQIX
$103B
$27M 2.91%
35,256
-597
-2% -$468K
AL
7
DELISTED
Air Lease Corp
AL
$25.9M 2.79%
403,246
-69,971
-15% -$4.47M
KVYO icon
8
Klaviyo
KVYO
$5.64B
$21.8M 2.34%
670,042
+275,053
+70% +$7.7M
OKTA icon
9
Okta
OKTA
$23.7B
$21.7M 2.34%
250,886
+361
+0.1% +$31.5K
GTLB icon
10
GitLab
GTLB
$5.7B
$21M 2.26%
558,603
+1,725
+0.3% +$74.7K
GFL icon
11
GFL Environmental
GFL
$14.1B
$18M 1.94%
420,150
+2,852
+0.7% +$127K
AMT icon
12
American Tower
AMT
$80.5B
$13.9M 1.5%
79,208
-1,870
-2% -$340K
MSFT icon
13
Microsoft
MSFT
$2.95T
$11.8M 1.27%
24,461
-1,314
-5% -$658K
EA icon
14
Electronic Arts
EA
$52.4B
$10M 1.08%
49,065
-1,000
-2% -$202K
BL icon
15
BlackLine
BL
$1.89B
$8.86M 0.95%
160,204
-1,648
-1% -$90.8K
QCOM icon
16
Qualcomm
QCOM
$171B
$8.05M 0.87%
47,081
-198
-0.4% -$33.9K
BRK.A icon
17
Berkshire Hathaway Class A
BRK.A
$1.1T
$7.55M 0.81%
10
– –
AAPL icon
18
Apple
AAPL
$4.99T
$6.91M 0.74%
25,402
-2,927
-10% -$786K
PYPL icon
19
PayPal
PYPL
$51.6B
$6.84M 0.74%
117,171
-6,954
-6% -$452K
GOOGL icon
20
Alphabet (Google) Class A
GOOGL
$4.1T
$6.08M 0.65%
19,410
+90
+0.5% +$25.7K
BRK.B icon
21
Berkshire Hathaway Class B
BRK.B
$1.1T
$5.26M 0.57%
10,465
+15
+0.1% +$7.46K
VTI icon
22
Vanguard Total Stock Market ETF
VTI
$656B
$3.6M 0.39%
10,752
– –
GOOG icon
23
Alphabet (Google) Class C
GOOG
$4.09T
$3.34M 0.36%
10,635
– –
JNJ icon
24
Johnson & Johnson
JNJ
$646B
$3.07M 0.33%
14,817
-126
-0.8% -$24.9K
ABBV icon
25
AbbVie
ABBV
$470B
$2.2M 0.24%
9,614
– –
1
2 3

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JJBC
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ROC
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GWS
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TWP
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CT
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Barton Investment Management's Q4 2025 Portfolio in Review

As of Q4 2025, Barton Investment Management held 52 positions worth $928M, down 5.5% from $982M the previous quarter. Its ten largest holdings account for 85% of the portfolio.

Trading was light in Q4 2025: portfolio turnover was 1.9%. Barton Investment Management opened 1 new position and made no exits, leaving the 52-position portfolio largely intact.

By sector, the portfolio is most concentrated in Technology at 40% of assets, up from 36% a quarter earlier, followed by Communication Services and Consumer Discretionary.

  • Barton Investment Management's largest Q4 2025 buy was Twilio: 1,460 shares worth $208K.
  • Barton Investment Management added most to Klaviyo in Q4 2025, an estimated $7.7M increase.
  • Barton Investment Management's biggest Q4 2025 reduction was Shopify, cutting an estimated $7.12M.
  • Barton Investment Management's ten largest holdings make up 85% of its $928M portfolio in Q4 2025.
  • Barton Investment Management opened 1 new position and closed 0 in Q4 2025.
  • Barton Investment Management's portfolio value fell 5.5% quarter-over-quarter to $928M.

Based on Barton Investment Management's 13F filing for Q4 2025, filed 21 Jan 2026.