Barton Investment Management

CIK: 0001387818Latest portfolio: $928.1M · Q4 2025

Holdings

52

Total Value

$928.1M

New Positions

51

Closed Positions

0

#StockSharesValue% PortfolioChangeType
1
SHOPSHOPIFY INC
1,640,426$264.1M28.45%NEW
2
NFLXNETFLIX INC
2,371,717$222.4M23.96%NEW
3
AMZNAMAZON COM INC
505,676$116.7M12.58%NEW
4
GLBEGLOBAL E ONLINE LTD
1,079,254$42.4M4.57%NEW
5
OWLBLUE OWL CAPITAL INC
1,950,164$29.1M3.14%NEW
6
EQIXEQUINIX INC
35,256$27.0M2.91%NEW
7
ALAIR LEASE CORP
403,246$25.9M2.79%NEW
8
KVYOKLAVIYO INC
670,042$21.8M2.34%NEW
9
OKTAOKTA INC
250,886$21.7M2.34%NEW
10
GTLBGITLAB INC
558,603$21.0M2.26%NEW
11
GFLGFL ENVIRONMENTAL INC
420,150$18.0M1.94%NEW
12
AMTAMERICAN TOWER CORP NEW
79,208$13.9M1.50%NEW
13
MSFTMICROSOFT CORP
24,461$11.8M1.27%NEW
14
EAELECTRONIC ARTS INC
49,065$10.0M1.08%NEW
15
BLBLACKLINE INC
160,204$8.9M0.95%NEW
16
QCOMQUALCOMM INC
47,081$8.1M0.87%NEW
17
BRK-BBERKSHIRE HATHAWAY INC DEL
10$7.5M0.81%NEW
18
AAPLAPPLE INC
25,402$6.9M0.74%NEW
19
PYPLPAYPAL HLDGS INC
117,171$6.8M0.74%NEW
20
GOOGLALPHABET INC
19,410$6.1M0.65%NEW
21
BERKSHIRE HATHAWAY INC Cl B
10,465$5.3M0.57%NEW
22
VTIVANGUARD INDEX FDS
10,752$3.6M0.39%NEW
23
GOOGALPHABET INC
10,635$3.3M0.36%NEW
24
JNJJOHNSON & JOHNSON
14,817$3.1M0.33%NEW
25
ABBVABBVIE INC
9,614$2.2M0.24%NEW

Quarterly Changes

New Positions

Closed Positions

No closed positions this quarter

Sector Breakdown

Technology0.0% ($2.640592175621694e+48T)
Financial Services0.0% ($2.9135684036041687e+26T)
Communication Services0.0% ($2.223721002560753e+22T)
Healthcare0.0% ($306621961239.9T)
Industrials0.0% ($25900180451.8T)
Consumer Cyclical0.0% ($11.7T)
Real Estate0.0% ($2.7T)
Unknown0.0% ($75.5B)
Consumer Defensive0.0% ($883.3M)
Energy0.0% ($1.5M)

Filing History

QuarterFiling DatePortfolio ValueHoldings
Q4 2025Jan 21, 2026$928.1M52
Q3 2025Oct 21, 2025$981.9B0
Q2 2025Jul 21, 2025$965.1B48
Q1 2025Apr 11, 2025$814.1B46

Fund Information

CIK0001387818
Most Recent FilingJan 21, 2026
Number of Filings4

Barton Investment Management is an institutional investment manager that files 13F reports with the SEC. As of the Q4 2025 filing, the fund reported a portfolio valued at $928.1M across 52 holdings. The largest position is SHOPIFY INC (SHOP), representing 28.5% of the portfolio. Compared to the previous quarter, the fund opened 52 new positions and closed 0 positions. 13F filings are required quarterly disclosures that provide transparency into the holdings of institutional investment managers with at least $100 million in qualifying assets.