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Barton Investment Management

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13F filer, CIK 1387818, WEST CONSHOHOCKEN, PA

Barton Investment Management reported $814,075,011 across 46 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-04-11. Its ten largest share positions make up 86.33% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001387818-25-000002

Period
2025-03-31
Reported value
$814M
Holdings
46
Top 10 weight
86.33%
New
1
Sold out
3

Largest buys vs the previous quarter

SecurityShares changeApprox. value
GTLBadded+103,605$4.87M
OWLadded+76,575$1.53M
VGSHnew+24,919$1.46M
GLBEadded+34,080$1.21M
GFLadded+3,280$158K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
NFLXreduced-51,073-$47.6M
AMZNreduced-78,929-$15M
SHOPreduced-144,621-$13.8M
BLreduced-50,093-$2.43M
PYPLreduced-9,815-$640K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2025

Share positions as resolved from 13F-HR 0001387818-25-000002, largest first. % of portfolio is the value over $814,075,011, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
NFLXNETFLIX INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 306,316 shares; 2024Q4: 300,605 shares; 2025Q1: 249,532 shares 249,532$233M28.58%-51,073Timeline
SHOPSHOPIFY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,895,137 shares; 2024Q4: 1,872,997 shares; 2025Q1: 1,728,376 shares 1,728,376$165M20.27%-144,621Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 604,116 shares; 2024Q4: 598,826 shares; 2025Q1: 519,897 shares 519,897$98.9M12.15%-78,929Timeline
OWLBLUE OWL CAPITAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,834,805 shares; 2024Q4: 1,830,219 shares; 2025Q1: 1,906,794 shares 1,906,794$38.2M4.69%+76,575Timeline
GLBEGLOBAL E ONLINE LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,000,284 shares; 2024Q4: 1,002,687 shares; 2025Q1: 1,036,767 shares 1,036,767$37M4.54%+34,080Timeline
ALAIR LEASE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 685,668 shares; 2024Q4: 677,123 shares; 2025Q1: 668,418 shares 668,418$32.3M3.97%-8,705Timeline
EQIXEQUINIX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 38,451 shares; 2024Q4: 38,218 shares; 2025Q1: 37,628 shares 37,628$30.7M3.77%-590Timeline
OKTAOKTA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 282,638 shares; 2024Q4: 260,744 shares; 2025Q1: 258,648 shares 258,648$27.2M3.34%-2,096Timeline
GTLBGITLAB INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 168,358 shares; 2024Q4: 335,648 shares; 2025Q1: 439,253 shares 439,253$20.6M2.54%+103,605Timeline
GFLGFL ENVIRONMENTAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 411,734 shares; 2024Q4: 414,598 shares; 2025Q1: 417,878 shares 417,878$20.2M2.48%+3,280Timeline
AMTAMERICAN TOWER CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 88,309 shares; 2024Q4: 87,051 shares; 2025Q1: 85,463 shares 85,463$18.6M2.28%-1,588Timeline
BLBLACKLINE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 402,836 shares; 2024Q4: 273,082 shares; 2025Q1: 222,989 shares 222,989$10.8M1.33%-50,093Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 26,195 shares; 2024Q4: 26,195 shares; 2025Q1: 25,775 shares 25,775$9.68M1.19%-420Timeline
PYPLPAYPAL HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 145,064 shares; 2024Q4: 142,629 shares; 2025Q1: 132,814 shares 132,814$8.67M1.06%-9,815Timeline
BRK-ABERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 10 shares; 2024Q4: 10 shares; 2025Q1: 10 shares 10$7.98M0.98%0Timeline
EAELECTRONIC ARTS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 63,425 shares; 2024Q4: 58,260 shares; 2025Q1: 53,965 shares 53,965$7.8M0.96%-4,295Timeline
QCOMQUALCOMM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 49,665 shares; 2024Q4: 49,348 shares; 2025Q1: 48,727 shares 48,727$7.48M0.92%-621Timeline
AAPLAPPLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 31,344 shares; 2024Q4: 29,194 shares; 2025Q1: 29,194 shares 29,194$6.48M0.8%0Timeline
BERKSHIRE HATHAWAY INC DELBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 10,725 shares; 2024Q4: 10,450 shares; 2025Q1: 10,450 shares 10,450$5.57M0.68%0
VTIVANGUARD INDEX FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 12,152 shares; 2024Q4: 12,017 shares; 2025Q1: 11,717 shares 11,717$3.22M0.4%-300Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 19,330 shares; 2024Q4: 19,330 shares; 2025Q1: 19,320 shares 19,320$2.99M0.37%-10Timeline
JNJJOHNSON & JOHNSONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 15,283 shares; 2024Q4: 14,943 shares; 2025Q1: 14,943 shares 14,943$2.48M0.3%0Timeline
ABBVABBVIE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 9,614 shares; 2024Q4: 9,614 shares; 2025Q1: 9,614 shares 9,614$2.01M0.25%0Timeline
GOOGALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 11,700 shares; 2024Q4: 11,700 shares; 2025Q1: 10,825 shares 10,825$1.69M0.21%-875Timeline
TROWPRICE T ROWE GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 18,676 shares; 2024Q4: 18,256 shares; 2025Q1: 17,170 shares 17,170$1.58M0.19%-1,086Timeline
XOMEXXON MOBIL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 12,999 shares; 2024Q4: 12,549 shares; 2025Q1: 12,549 shares 12,549$1.49M0.18%0Timeline
VGSHVANGUARD SCOTTSDALE FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 23,469 shares; 2024Q4: not reported; 2025Q1: 24,919 shares 24,919$1.46M0.18%newTimeline
ABTABBOTT LABORATORIESQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 9,894 shares; 2024Q4: 9,894 shares; 2025Q1: 9,894 shares 9,894$1.31M0.16%0Timeline
ADBEADOBE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,200 shares; 2024Q4: 3,200 shares; 2025Q1: 3,200 shares 3,200$1.23M0.15%0Timeline
DASHDOORDASH INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 6,000 shares; 2024Q4: 6,000 shares; 2025Q1: 6,000 shares 6,000$1.1M0.13%0Timeline
COSTCOSTCO WHOLESALE CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,024 shares; 2024Q4: 1,024 shares; 2025Q1: 1,024 shares 1,024$968K0.12%0Timeline
ORCLORACLE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 7,275 shares; 2024Q4: 7,275 shares; 2025Q1: 6,585 shares 6,585$921K0.11%-690Timeline
MRKMERCK & CO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 8,158 shares; 2024Q4: 8,158 shares; 2025Q1: 8,158 shares 8,158$732K0.09%0Timeline
BILLBILL HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 14,195 shares; 2024Q4: 14,195 shares; 2025Q1: 13,870 shares 13,870$636K0.08%-325Timeline
DISDISNEY WALT COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 6,289 shares; 2024Q4: 6,289 shares; 2025Q1: 6,289 shares 6,289$621K0.08%0Timeline
SPYSTATE STR SPDR S&P 500 ETF TQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 839 shares; 2024Q4: 839 shares; 2025Q1: 839 shares 839$469K0.06%0Timeline
AXPAMERICAN EXPRESS COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,900 shares; 2024Q4: 1,735 shares; 2025Q1: 1,735 shares 1,735$467K0.06%0Timeline
METAMETA PLATFORMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 765 shares; 2024Q4: 765 shares; 2025Q1: 765 shares 765$441K0.05%0Timeline
ADPAUTOMATIC DATA PROCESSING INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,400 shares; 2024Q4: 1,400 shares; 2025Q1: 1,400 shares 1,400$428K0.05%0Timeline
NVDANVIDIA CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 4,500 shares; 2024Q4: 4,819 shares; 2025Q1: 3,920 shares 3,920$425K0.05%-899Timeline
CITHE CIGNA GROUPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,080 shares; 2024Q4: 1,080 shares; 2025Q1: 1,080 shares 1,080$355K0.04%0Timeline
CSCOCISCO SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 4,265 shares; 2025Q1: 4,265 shares 4,265$263K0.03%0Timeline
PFEPFIZER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 9,715 shares; 2024Q4: 9,731 shares; 2025Q1: 9,748 shares 9,748$247K0.03%+17Timeline
WMTWALMART INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,535 shares; 2024Q4: 2,535 shares; 2025Q1: 2,535 shares 2,535$223K0.03%0Timeline
NTRSNORTHERN TR CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,250 shares; 2024Q4: 2,250 shares; 2025Q1: 2,250 shares 2,250$222K0.03%0Timeline
VTVVANGUARD INDEX FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,235 shares; 2024Q4: 1,235 shares; 2025Q1: 1,235 shares 1,235$213K0.03%0Timeline

Sold out in Q1 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
VRTVERTIV HOLDINGS CO2,300$261Kshares
AVGOBROADCOM INC1,075$249Kshares
TFXTELEFLEX INCORPORATED1,200$214Kshares

How Q1 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001387818-25-000002 base2025-04-11acceptance time not in the bulk data set