2026 Q3 Portfolio Activity
In 2026 Q3, Barton Investment Management maintained a portfolio of 61 distinct positions. The most significant new addition was SCHWAB STRATEGIC TR, now representing 0.18% of the total fund value. They heavily accumulated shares in GITLAB INC, increasing the position by 19.4%. Conversely, Barton Investment Management completely exited their position in ELECTRONIC ARTS INC.
Position History
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Total Positions
61
Quarter
2026 Q3
Top Holding
SHOP (27.6%)
Top 10 Concentration
86.4%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 61
Barton Investment Management Full Holdings List — 2026 Q3
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
SHOP
SHOPIFY INC
|
Technology | 27.60% | 24.45% |
#1
Prev: #1
|
6.5 |
—
|
-79,329 | -5.0% |
P
S
|
1,501,272 | $222,638,638 | 2016 Q3 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
NFLX
NETFLIX INC.
|
Communication Services | 19.47% | 22.09% |
#2
Prev: #2
|
6.0 |
—
|
-26,279 | -1.2% |
P
S
|
2,257,376 | $157,068,223 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
AMZN
AMAZON COM INC
|
Consumer Cyclical | 14.66% | 15.72% |
#3
Prev: #3
|
5.5 |
—
|
-12,073 | -2.5% |
P
S
|
474,759 | $118,286,205 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
OKTA
OKTA INC
|
Technology | 5.34% | 3.96% |
#4
2
Prev: #6
|
3.1 |
—
|
-8,302 | -3.9% |
P
S
|
205,957 | $43,067,669 | 2019 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
GLBE
GLOBAL E ONLINE...
|
Consumer Cyclical | 4.95% | 5.13% |
#5
1
Prev: #4
|
3.0 |
—
|
-83,811 | -7.7% |
P
S
|
1,005,523 | $39,949,429 | 2022 Q1 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
EQIX
EQUINIX INC
|
Real Estate | 3.89% | 4.50% |
#6
1
Prev: #5
|
2.1 |
—
|
-882 | -2.8% |
P
S
|
31,019 | $31,377,966 | 2013 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
GTLB
GITLAB INC
|
Technology | 3.36% | 1.99% |
#7
3
Prev: #10
|
3.3 |
—
|
93,223 | 19.4% |
P
S
|
573,679 | $27,106,333 | 2024 Q3 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
KVYO
KLAVIYO INC
|
Technology | 2.63% | 2.57% |
#8
1
Prev: #7
|
3.1 |
—
|
93,882 | 7.5% |
P
S
|
1,350,490 | $21,243,208 | 2025 Q3 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
OWL
BLUE OWL CAPITA...
|
Financial Services | 2.38% | 2.50% |
#9
1
Prev: #8
|
1.5 |
—
|
3,297 | 0.2% |
P
S
|
2,109,550 | $19,175,814 | 2021 Q2 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
GFL
GFL ENVIRONMENT...
|
Industrials | 2.12% | 2.07% |
#10
1
Prev: #9
|
1.3 |
—
|
-7,459 | -1.8% |
P
S
|
408,082 | $17,070,071 | 2023 Q1 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
MSFT
MICROSOFT CORP
|
Technology | 1.58% | 1.23% |
#11
1
Prev: #12
|
1.1 |
—
|
380 | 1.6% |
P
S
|
24,796 | $12,717,869 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
AMT
AMERICAN TOWER ...
|
Real Estate | 1.52% | 1.71% |
#12
1
Prev: #11
|
1.1 |
—
|
-2,126 | -2.8% |
P
S
|
74,912 | $12,262,346 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
AAPL
APPLE INC
|
Technology | 1.01% | 0.97% |
#13
2
Prev: #15
|
0.9 |
—
|
-330 | -1.3% |
P
S
|
24,532 | $8,169,647 | 2011 Q1 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
BRK/A
BERKSHIRE HATHA...
|
Financial Services | 0.93% | 1.01% |
#14
Prev: #14
|
1.4 |
—
|
no change | no change |
P
S
|
10 | $7,470,050 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
QCOM
QUALCOMM INC
|
Technology | 0.87% | 0.95% |
#15
1
Prev: #16
|
0.8 |
—
|
-77 | -0.2% |
P
S
|
37,980 | $6,989,816 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
GOOGL
ALPHABET INC
|
Communication Services | 0.82% | 0.93% |
#16
1
Prev: #17
|
0.8 |
—
|
-113 | -0.6% |
P
S
|
19,155 | $6,590,853 | 2015 Q3 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
BRK.B
BERKSHIRE HATHA...
|
Financial Services | 0.63% | 0.70% |
#17
1
Prev: #18
|
1.3 |
—
|
no change | no change |
P
S
|
10,255 | $5,106,477 | 2007 Q1 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
RPRX
ROYALTY PHARMA ...
|
Healthcare | 0.63% | 0.23% |
#18
9
Prev: #27
|
3.3 |
—
|
56,983 | 189.7% |
P
S
|
87,029 | $5,079,013 | 2026 Q1 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
PYPL
PAYPAL HLDGS IN...
|
Financial Services | 0.56% | 0.58% |
#19
Prev: #19
|
0.7 |
—
|
-13,408 | -13.5% |
P
S
|
85,692 | $4,501,401 | 2015 Q3 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
SYM
SYMBOTIC INC
|
Industrials | 0.49% | 0.33% |
#20
4
Prev: #24
|
3.2 |
—
|
40,274 | 75.3% |
P
S
|
93,734 | $3,943,390 | 2025 Q3 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
VTI
VANGUARD INDEX ...
|
ETF | 0.47% | 0.53% |
#21
1
Prev: #20
|
0.7 |
—
|
-522 | -4.9% |
P
S
|
10,095 | $3,777,953 | 2017 Q3 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
JNJ
JOHNSON & JOHNS...
|
Healthcare | 0.46% | 0.49% |
#22
Prev: #22
|
0.7 |
—
|
-187 | -1.3% |
P
S
|
13,976 | $3,700,007 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
GOOG
ALPHABET INC
|
Communication Services | 0.45% | 0.51% |
#23
2
Prev: #21
|
1.2 |
—
|
no change | no change |
P
S
|
10,635 | $3,623,770 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
BL
BLACKLINE INC
|
Technology | 0.25% | 0.48% |
#24
1
Prev: #23
|
0.1 |
—
|
-48,792 | -38.7% |
P
S
|
77,185 | $2,047,719 | 2017 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
TBLL
INVESCO EXCH TR...
|
ETF | 0.25% | 0.28% |
#25
Prev: #25
|
0.6 |
—
|
-521 | -2.7% |
P
S
|
18,959 | $2,001,313 | 2026 Q1 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
ABBV
ABBVIE INC
|
Healthcare | 0.25% | 0.26% |
#26
Prev: #26
|
1.1 |
—
|
no change | no change |
P
S
|
7,578 | $1,982,330 | 2013 Q1 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
VGSH
VANGUARD SCOTTS...
|
ETF | 0.20% | 0.20% |
#27
2
Prev: #29
|
2.1 |
—
|
1,735 | 6.7% |
P
S
|
27,669 | $1,592,628 | 2022 Q2 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
SCHO
SCHWAB STRATEGI...
|
ETF | 0.18% | — |
#28
Prev: #—
|
3.6 |
—
|
62,420 | — |
NEW
|
62,420 | $1,489,342 | 2026 Q3 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
TROW
PRICE T ROWE GR...
|
Financial Services | 0.18% | 0.22% |
#29
1
Prev: #28
|
0.6 |
—
|
-400 | -2.8% |
P
S
|
13,640 | $1,419,242 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
XOM
EXXONMOBIL HOLD...
|
Energy | 0.16% | 0.15% |
#30
Prev: #30
|
1.1 |
—
|
no change | no change |
P
S
|
8,105 | $1,319,089 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
MRK
MERCK & CO INC
|
Healthcare | 0.15% | 0.14% |
#31
1
Prev: #32
|
1.1 |
—
|
no change | no change |
P
S
|
8,158 | $1,185,439 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
COST
COSTCO WHOLESAL...
|
Consumer Defensive | 0.12% | 0.13% |
#32
1
Prev: #33
|
1.0 |
—
|
no change | no change |
P
S
|
1,024 | $932,189 | 2020 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
NVDA
NVIDIA CORPORAT...
|
Technology | 0.11% | 0.10% |
#33
2
Prev: #35
|
0.5 |
—
|
75 | 1.9% |
P
S
|
3,941 | $900,046 | 2023 Q2 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
ORCL
ORACLE CORP
|
Technology | 0.10% | 0.11% |
#34
Prev: #34
|
1.0 |
—
|
no change | no change |
P
S
|
5,785 | $794,281 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
ABT
ABBOTT LABORATO...
|
Healthcare | 0.10% | 0.10% |
#35
1
Prev: #36
|
1.0 |
—
|
no change | no change |
P
S
|
7,858 | $776,607 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
ADBE
ADOBE INC
|
Technology | 0.10% | 0.09% |
#36
2
Prev: #38
|
1.0 |
—
|
no change | no change |
P
S
|
3,200 | $767,808 | 2014 Q1 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
CSCO
CISCO SYS INC
|
Technology | 0.07% | 0.08% |
#37
3
Prev: #40
|
0.5 |
—
|
180 | 3.5% |
P
S
|
5,260 | $566,134 | 2015 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
SPY
STATE STR SPDR ...
|
ETF | 0.07% | 0.08% |
#38
1
Prev: #39
|
0.5 |
—
|
-110 | -13.1% |
P
S
|
729 | $555,958 | 2022 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
DIS
DISNEY WALT CO
|
Communication Services | 0.07% | 0.07% |
#39
3
Prev: #42
|
1.0 |
—
|
no change | no change |
P
S
|
5,289 | $554,817 | 2013 Q2 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
SCHX
SCHWAB STRATEGI...
|
ETF | 0.06% | 0.07% |
#40
3
Prev: #43
|
0.5 |
—
|
46 | 0.3% |
P
S
|
16,890 | $506,698 | 2025 Q3 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
VRT
VERTIV HOLDINGS...
|
Industrials | 0.06% | 0.09% |
#41
4
Prev: #37
|
1.0 |
—
|
no change | no change |
P
S
|
1,980 | $477,794 | 2024 Q3 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
DELL
DELL TECHNOLOGI...
|
Technology | 0.06% | 0.05% |
#42
6
Prev: #48
|
1.0 |
—
|
no change | no change |
P
S
|
875 | $470,707 | 2026 Q2 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
META
META PLATFORMS ...
|
Communication Services | 0.06% | 0.05% |
#43
7
Prev: #50
|
1.0 |
—
|
no change | no change |
P
S
|
629 | $456,139 | 2021 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
AXP
AMERICAN EXPRES...
|
Financial Services | 0.06% | 0.07% |
#44
Prev: #44
|
1.0 |
—
|
no change | no change |
P
S
|
1,460 | $443,986 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
INTC
INTEL CORP
|
Technology | 0.05% | 0.07% |
#45
4
Prev: #41
|
0.5 |
—
|
-485 | -12.5% |
P
S
|
3,385 | $406,979 | 2026 Q2 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
TWLO
TWILIO INC
|
Technology | 0.05% | 0.04% |
#46
10
Prev: #56
|
1.0 |
—
|
no change | no change |
P
S
|
1,315 | $384,585 | 2025 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
ADP
AUTOMATIC DATA ...
|
Technology | 0.04% | 0.04% |
#47
5
Prev: #52
|
1.0 |
—
|
no change | no change |
P
S
|
1,400 | $361,284 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
AMD
ADVANCED MICRO ...
|
Technology | 0.04% | 0.05% |
#48
1
Prev: #47
|
0.5 |
—
|
-100 | -15.0% |
P
S
|
565 | $345,645 | 2026 Q2 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
AVGO
BROADCOM INC
|
Technology | 0.04% | 0.05% |
#49
Prev: #49
|
1.0 |
—
|
no change | no change |
P
S
|
965 | $338,936 | 2024 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 | |||
|
NTRS
NORTHERN TR COR...
|
Financial Services | 0.04% | 0.05% |
#50
4
Prev: #46
|
0.5 |
—
|
-249 | -11.1% |
P
S
|
2,001 | $338,890 | 2006 Q4 | 13F Filing | 2026-09-30 | 2026-10-27 |
Showing 1-50 of 61 holdings