Barton Investment Management

In its 13F for Q3 2024 (holdings as of September 30, 2024, filed October 17, 2024), Barton Investment Management reported 49 stock positions worth $799.7 million. Its top holding was Netflix (NFLX) at 27.2% of the portfolio, followed by Shopify Class A (SHOP, 19.0%) and Amazon.com (AMZN, 14.1%). Compared with Q2 2024, it opened 6 new positions, added to 10 and reduced 12. The biggest buy was a new position in Gitlab Class A (GTLB) and the biggest sale Amazon.com (AMZN, shares −1%).

Most Recent 13F
Q2 2026
Location
WEST CONSHOHOCKEN, PA
CIK
0001387818
Portfolio Value
$799.7M (Q3 2024)
SEC Filing
0001387818-24-000005 ↗ filed Oct 17, 2024

Holdings Value

0$200.0M$400.0M$600.0M$800.0M$1.0B Q1 2024: $824.2M Q1 2024 Q2 2024: $751.7M Q2 2024 Q3 2024: $799.7M $799.7M Q3 2024 Q4 2024: $942.8M Q4 2024 Q1 2025: $814.1M Q1 2025 Q2 2025: $965.1M Q2 2025 Q3 2025: $981.9M Q3 2025 Q4 2025: $928.1M Q4 2025 Q1 2026: $797.3M Q1 2026 Q2 2026: $738.2M Q2 2026

Holdings 49 stocks · $799.7M
NFLX Netflix Inc. 27.17% 306,316 $217.3M Reduce -0.9%
SHOP Shopify Inc. Class A 18.99% 1,895,137 $151.9M Reduce -0.6%
AMZN Amazon.com Inc. 14.08% 604,116 $112.6M Reduce -0.6%
GLBE Global-E Online Ltd. 4.81% 1,000,284 $38.5M Add +0.9%
OWL Blue Owl Capital Inc. 4.44% 1,834,805 $35.5M Add +1.1%
EQIX Equinix Inc. 4.27% 38,451 $34.1M Reduce -0.5%
AL Sumisho Air Lease Corp. filed as AIR LEASE CORP 3.88% 685,668 $31.1M Add +0.5%
BL Blackline Inc. 2.78% 402,836 $22.2M Reduce -19.9%
OKTA Okta Inc. 2.63% 282,638 $21.0M Reduce -1.6%
AMT American Tower Corp. 2.57% 88,309 $20.5M Reduce -1.6%
GFL GFL Environmental Inc.-Sub VT 2.05% 411,734 $16.4M Add +1.1%
PYPL PayPal Holdings Inc. 1.42% 145,064 $11.3M Reduce -7.7%
MSFT Microsoft Corp. 1.41% 26,195 $11.3M No change
EA Electronic Arts Inc. 1.14% 63,425 $9.1M Reduce -1.4%
GTLB Gitlab Inc. Class A 1.09% 168,358 $8.7M New
QCOM Qualcomm Inc. 1.06% 49,665 $8.4M Add +1.3%
AAPL Apple Inc. 0.91% 31,344 $7.3M No change
BRK.A Berkshire Hathaway Inc. Class A 0.86% 10 $6.9M No change
BERKSHIRE HATHAWAY INC 0.62% 10,725 $4.9M No change
VTI VG Morningstar TS MKT ETF-US 0.43% 12,152 $3.4M Reduce -3.4%
GOOGL Alphabet Inc. Class A 0.40% 19,330 $3.2M Add +1.1%
JNJ Johnson & Johnson 0.31% 15,283 $2.5M Reduce -0.1%
TROW T Rowe Price Group Inc. filed as PRICE T ROWE GROUP INC 0.25% 18,676 $2.0M Reduce -0.6%
GOOG Alphabet Inc. Class C 0.24% 11,700 $2.0M No change
ABBV Abbvie Inc. 0.24% 9,614 $1.9M No change
ADBE Adobe Inc. 0.21% 3,200 $1.7M No change
XOM Exxon Mobil Corp. 0.19% 12,999 $1.5M No change
VGSH Vanguard Short-Term Treasury 0.17% 23,469 $1.4M Add +7.4%
ORCL Oracle Corp. 0.15% 7,275 $1.2M No change
ABT Abbott Laboratories 0.14% 9,894 $1.1M No change
MRK Merck & Co. Inc. 0.12% 8,158 $926K No change
COST Costco Wholesale Corp. 0.11% 1,024 $908K No change
DASH DoorDash Inc. Class A 0.11% 6,000 $856K No change
BILL Bill Holdings Inc. 0.09% 14,195 $749K Add +1.0%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.08% 6,289 $605K No change
NVDA Nvidia Corp. 0.07% 4,500 $546K Add +28.6%
AXP American Express Co. 0.06% 1,900 $515K No change
SPY SS SPDR S&P 500 ETF Trust-US 0.06% 839 $481K No change
META Meta Platforms Inc. Class A 0.05% 765 $438K No change
ADP Automatic Data Processing 0.05% 1,400 $387K No change
CI The Cigna Group 0.05% 1,080 $374K No change
TFX Teleflex Inc. 0.04% 1,200 $297K No change
CAT Caterpillar Inc. 0.04% 753 $295K No change
PFE Pfizer Inc. 0.04% 9,715 $281K Add +11.7%
VRT Vertiv Holdings Co. Class A 0.03% 2,400 $239K New
UNH Unitedhealth Group Inc. 0.03% 377 $221K New
VTV Vanguard Mrngstr Val ETF-Aui 0.03% 1,235 $216K New
WMT Walmart Inc. 0.03% 2,535 $205K New
NTRS Northern Trust Corp. 0.03% 2,250 $203K New

Portfolio Sells Q2 2024 → Q3 2024
AMZN Amazon.com Inc. Reduce -0.6% 14.08% −1.55
OKTA Okta Inc. Reduce -1.6% 2.63% −0.95
NFLX Netflix Inc. Reduce -0.9% 27.17% −0.60
BL Blackline Inc. Reduce -19.9% 2.78% −0.46
EA Electronic Arts Inc. Reduce -1.4% 1.14% −0.05
TROW T Rowe Price Group Inc. Reduce -0.6% 0.25% −0.03
VTI VG Morningstar TS MKT ETF-US Reduce -3.4% 0.43% −0.02
JNJ Johnson & Johnson Reduce -0.1% 0.31% +0.01
PYPL PayPal Holdings Inc. Reduce -7.7% 1.42% +0.20
AMT American Tower Corp. Reduce -1.6% 2.57% +0.25
EQIX Equinix Inc. Reduce -0.5% 4.27% +0.38
SHOP Shopify Inc. Class A Reduce -0.6% 18.99% +2.24

Portfolio Buys Q2 2024 → Q3 2024
GTLB Gitlab Inc. Class A New 1.09% +1.09
OWL Blue Owl Capital Inc. Add +1.1% 4.44% +0.16
VRT Vertiv Holdings Co. Class A New 0.03% +0.03
UNH Unitedhealth Group Inc. New 0.03% +0.03
VTV Vanguard Mrngstr Val ETF-Aui New 0.03% +0.03
WMT Walmart Inc. New 0.03% +0.03
GLBE Global-E Online Ltd. Add +0.9% 4.81% +0.03
NTRS Northern Trust Corp. New 0.03% +0.03
NVDA Nvidia Corp. Add +28.6% 0.07% +0.01
VGSH Vanguard Short-Term Treasury Add +7.4% 0.17% +0.00
PFE Pfizer Inc. Add +11.7% 0.04% +0.00
BILL Bill Holdings Inc. Add +1.0% 0.09% −0.00
GFL GFL Environmental Inc.-Sub VT Add +1.1% 2.05% −0.06
GOOGL Alphabet Inc. Class A Add +1.1% 0.40% −0.06
QCOM Qualcomm Inc. Add +1.3% 1.06% −0.24
AL Sumisho Air Lease Corp. Add +0.5% 3.88% −0.43

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 60$738.2MSHOP, NFLX, AMZN, GLBE, EQIX
Q1 2026 54$797.3MNFLX, SHOP, AMZN, GLBE, EQIX
Q4 2025 52$928.1MSHOP, NFLX, AMZN, GLBE, OWL
Q3 2025 51$981.9MNFLX, SHOP, AMZN, GLBE, OWL
Q2 2025 48$965.1MNFLX, SHOP, AMZN, OWL, GLBE
Q1 2025 46$814.1MNFLX, SHOP, AMZN, OWL, GLBE
Q4 2024 48$942.8MNFLX, SHOP, AMZN, GLBE, OWL
Q3 2024 49$799.7MNFLX, SHOP, AMZN, GLBE, OWL
Q2 2024 43$751.7MNFLX, SHOP, AMZN, GLBE, AL
Q1 2024 46$824.2MNFLX, SHOP, AMZN, AL, BL