Barton Investment Management

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed January 21, 2026), Barton Investment Management reported 52 stock positions worth $928.1 million. Its top holding was Shopify Class A (SHOP) at 28.5% of the portfolio, followed by Netflix (NFLX, 24.0%) and Amazon.com (AMZN, 12.6%). Compared with Q3 2025, it opened 1 new position, added to 12 and reduced 19. The biggest buy was Klaviyo Class A (KVYO, shares +70%) and the biggest sale Netflix (NFLX, shares −2%).

Most Recent 13F
Q2 2026
Location
WEST CONSHOHOCKEN, PA
CIK
0001387818
Portfolio Value
$928.1M (Q4 2025)
SEC Filing
0001387818-26-000001 ↗ filed Jan 21, 2026

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 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 $928.1M Q4 2025 Q1 2026: $797.3M Q1 2026 Q2 2026: $738.2M Q2 2026

Holdings 52 stocks · $928.1M

SHOP Shopify Inc. Class A 28.45% 1,640,426 $264.1M Reduce -2.6%
NFLX Netflix Inc. 23.96% 2,371,717 $222.4M Reduce -2.1%
AMZN Amazon.com Inc. 12.58% 505,676 $116.7M Reduce -1.4%
GLBE Global-E Online Ltd. 4.57% 1,079,254 $42.4M Add +0.6%
OWL Blue Owl Capital Inc. 3.14% 1,950,164 $29.1M Add +1.6%
EQIX Equinix Inc. 2.91% 35,256 $27.0M Reduce -1.7%
AL Sumisho Air Lease Corp. filed as AIR LEASE CORP 2.79% 403,246 $25.9M Reduce -14.8%
KVYO Klaviyo Inc. Class A 2.34% 670,042 $21.8M Add +69.6%
OKTA Okta Inc. 2.34% 250,886 $21.7M Add +0.1%
GTLB Gitlab Inc. Class A 2.26% 558,603 $21.0M Add +0.3%
GFL GFL Environmental Inc.-Sub VT 1.94% 420,150 $18.0M Add +0.7%
AMT American Tower Corp. 1.50% 79,208 $13.9M Reduce -2.3%
MSFT Microsoft Corp. 1.27% 24,461 $11.8M Reduce -5.1%
EA Electronic Arts Inc. 1.08% 49,065 $10.0M Reduce -2.0%
BL Blackline Inc. 0.95% 160,204 $8.9M Reduce -1.0%
QCOM Qualcomm Inc. 0.87% 47,081 $8.1M Reduce -0.4%
BRK.A Berkshire Hathaway Inc. Class A 0.81% 10 $7.5M No change
AAPL Apple Inc. 0.74% 25,402 $6.9M Reduce -10.3%
PYPL PayPal Holdings Inc. 0.74% 117,171 $6.8M Reduce -5.6%
GOOGL Alphabet Inc. Class A 0.65% 19,410 $6.1M Add +0.5%
BERKSHIRE HATHAWAY INC 0.57% 10,465 $5.3M Add +0.1%
VTI VG Morningstar TS MKT ETF-US 0.39% 10,752 $3.6M No change
GOOG Alphabet Inc. Class C 0.36% 10,635 $3.3M No change
JNJ Johnson & Johnson 0.33% 14,817 $3.1M Reduce -0.8%
ABBV Abbvie Inc. 0.24% 9,614 $2.2M No change
SYM Symbotic Inc. 0.20% 30,658 $1.8M Add +0.8%
TROW T Rowe Price Group Inc. filed as PRICE T ROWE GROUP INC 0.18% 16,440 $1.7M No change
VGSH Vanguard Short-Term Treasury 0.17% 26,589 $1.6M No change
XOM Exxon Mobil Corp. 0.16% 12,434 $1.5M Reduce -0.9%
DASH DoorDash Inc. Class A 0.15% 6,000 $1.4M No change
ABT Abbott Laboratories 0.13% 9,894 $1.2M No change
ORCL Oracle Corp. 0.12% 5,785 $1.1M Reduce -6.5%
ADBE Adobe Inc. 0.12% 3,200 $1.1M No change
COST Costco Wholesale Corp. 0.10% 1,024 $883K No change
MRK Merck & Co. Inc. 0.09% 8,158 $859K No change
BILL Bill Holdings Inc. 0.09% 15,117 $824K Reduce -4.5%
NVDA Nvidia Corp. 0.08% 4,016 $749K Add +2.5%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.08% 6,289 $716K No change
SPY SS SPDR S&P 500 ETF Trust-US 0.06% 839 $572K No change
AXP American Express Co. 0.06% 1,544 $571K Reduce -11.0%
META Meta Platforms Inc. Class A 0.06% 779 $514K Add +1.8%
SCHX Schwab US Large-Cap ETF 0.05% 16,800 $452K No change
ADP Automatic Data Processing 0.04% 1,400 $360K No change
VRT Vertiv Holdings Co. Class A 0.04% 2,210 $358K Reduce -3.3%
AVGO Broadcom Inc. 0.04% 995 $344K Reduce -3.1%
CSCO Cisco Systems Inc. 0.04% 4,265 $329K No change
NTRS Northern Trust Corp. 0.03% 2,250 $307K No change
CI The Cigna Group 0.03% 1,080 $297K No change
WMT Walmart Inc. 0.03% 2,535 $282K No change
PFE Pfizer Inc. 0.03% 9,803 $244K Add +0.2%
VTV Vanguard Mrngstr Val ETF-Aui 0.03% 1,235 $236K No change
TWLO Twilio Inc. Class A 0.02% 1,460 $208K New

Portfolio Sells Q3 2025 → Q4 2025

NFLX Netflix Inc. Reduce -2.1% 23.96% −5.63
AL Sumisho Air Lease Corp. Reduce -14.8% 2.79% −0.28
PYPL PayPal Holdings Inc. Reduce -5.6% 0.74% −0.11
AMT American Tower Corp. Reduce -2.3% 1.50% −0.09
MSFT Microsoft Corp. Reduce -5.1% 1.27% −0.09
ORCL Oracle Corp. Reduce -6.5% 0.12% −0.06
AVGO Broadcom Inc. Reduce -3.1% 0.04% +0.00
AXP American Express Co. Reduce -11.0% 0.06% +0.00
BILL Bill Holdings Inc. Reduce -4.5% 0.09% +0.00
VRT Vertiv Holdings Co. Class A Reduce -3.3% 0.04% +0.00
AAPL Apple Inc. Reduce -10.3% 0.74% +0.01
XOM Exxon Mobil Corp. Reduce -0.9% 0.16% +0.02
JNJ Johnson & Johnson Reduce -0.8% 0.33% +0.05
EQIX Equinix Inc. Reduce -1.7% 2.91% +0.05
EA Electronic Arts Inc. Reduce -2.0% 1.08% +0.05
QCOM Qualcomm Inc. Reduce -0.4% 0.87% +0.07
BL Blackline Inc. Reduce -1.0% 0.95% +0.08
AMZN Amazon.com Inc. Reduce -1.4% 12.58% +1.11
SHOP Shopify Inc. Class A Reduce -2.6% 28.45% +2.95

Portfolio Buys Q3 2025 → Q4 2025

KVYO Klaviyo Inc. Class A Add +69.6% 2.34% +1.23
GLBE Global-E Online Ltd. Add +0.6% 4.57% +0.67
GOOGL Alphabet Inc. Class A Add +0.5% 0.65% +0.18
BERKSHIRE HATHAWAY INC Add +0.1% 0.57% +0.03
SYM Symbotic Inc. Add +0.8% 0.20% +0.03
TWLO Twilio Inc. Class A New 0.02% +0.02
NVDA Nvidia Corp. Add +2.5% 0.08% +0.01
PFE Pfizer Inc. Add +0.2% 0.03% +0.00
META Meta Platforms Inc. Class A Add +1.8% 0.06% −0.00
OKTA Okta Inc. Add +0.1% 2.34% −0.00
GFL GFL Environmental Inc.-Sub VT Add +0.7% 1.94% −0.07
OWL Blue Owl Capital Inc. Add +1.6% 3.14% −0.17
GTLB Gitlab Inc. Class A Add +0.3% 2.26% −0.30

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