Barton Investment Management
CIK 1387818 · View on SEC EDGAR ↗
- Portfolio value
- $738.2M
- Positions
- 60
- As of
- June 30, 2026
#2,988 of 9,443 by 13F value · top 31.6%
Portfolio value QoQ: -7.4% 13F does not disclose cash
- Top 10 holdings weight
- 84.97%
- Top 25 holdings weight
- 96.89%
- Positions above 1%
- 14
- Effective number of positions
- 7.0
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 1.02% Est. buys $7,861,590 · sells $38,646,912
Median holding: 7.0 quarters Tracked Q4 2024–Q2 2026 · 95.2% still held
- New positions
- 7
- Increased
- 10
- Decreased
- 20
- Closed
- 1
On this page
- Performance vs S&P How this manager's 13F portfolio performed against the S&P 500.
- Sector breakdown How the portfolio splits across market sectors.
- Portfolio Every stock this institution reports holding, from its latest 13F.
- High-conviction bets The holdings this manager is most concentrated in.
- Biggest new bets Brand-new positions opened in the latest quarter.
- Top moves The biggest position increases and decreases this quarter.
- Exited positions Positions the manager fully sold out of last quarter.
Performance vs S&P 500
Annualized: -20.6% · S&P 500: +18.0%
Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.
Priceable coverage: 94.8% · Options excluded: 0.0%
Sector breakdown
Technology
37.3%
Communication Services
24.9%
Retail
21.0%
Real Estate
6.2%
Financial Services
3.4%
Industrials
2.6%
Healthcare
1.2%
Energy
0.2%
Consumer Discretionary
0.2%
Communications
0.1%
Other/Unmapped
2.9%
Full portfolio 60 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| SHOP Shopify Inc. - Class A Subordinate Voting Shares | $180,473,023 | 24.45% | 1,580,601 | $-9,669,974 | Down ×6 | ||
| NFLX Netflix, Inc. - Common Stock | $163,052,967 | 22.09% | 2,283,655 | $-62,222,830 | Down ×2 | ||
| AMZN Amazon.com, Inc. - Common Stock | $116,031,539 | 15.72% | 486,832 | $12,471,780 | Down ×6 | ||
| GLBE Global-E Online Ltd. - ordinary shares | $37,832,570 | 5.13% | 1,089,334 | $4,261,168 | Up ×3 | ||
| EQIX Equinix, Inc. - Common Stock | $33,253,284 | 4.50% | 31,901 | $1,062,202 | Down ×4 | ||
| OKTA Okta, Inc. - Class A Common Stock | $29,235,641 | 3.96% | 214,259 | $11,401,844 | Down ×2 | ||
| KVYO Klaviyo, Inc. Series A Common Stock | $18,974,781 | 2.57% | 1,256,608 | $-1,459,231 | Up ×3 | ||
| OWL Blue Owl Capital Inc. Class A Common Stock | $18,429,711 | 2.50% | 2,106,253 | $-202,164 | Up ×4 | ||
| GFL GFL Environmental Inc. Subordinate voting shares, no par value | $15,287,754 | 2.07% | 415,541 | $-2,212,743 | Down ×2 | ||
| GTLB GitLab Inc. - Class A Common Stock | $14,668,322 | 1.99% | 480,456 | $2,659,355 | Down ×2 | ||
| AMT American Tower Corporation (REIT) Common Stock | $12,601,106 | 1.71% | 77,038 | $-934,862 | Down ×6 | ||
| MSFT Microsoft Corporation - Common Stock | $9,107,657 | 1.23% | 24,416 | $69,586 | |||
| EA Electronic Arts Inc. - Common Stock | $8,959,223 | 1.21% | 43,695 | $51,123 | |||
| BRKA | $7,488,500 | 1.01% | 10 | $307,100 | |||
| AAPL Apple Inc. - Common Stock | $7,194,069 | 0.97% | 24,862 | $884,342 | |||
| QCOM QUALCOMM Incorporated - Common Stock | $7,032,600 | 0.95% | 38,057 | $2,293,455 | Up ×1 | ||
| GOOGL Alphabet Inc. - Class A Common Stock | $6,885,806 | 0.93% | 19,268 | $1,351,713 | Up ×1 | ||
| BRKB | $5,131,499 | 0.70% | 10,255 | $217,303 | |||
| PYPL PayPal Holdings, Inc. - Common Stock | $4,279,138 | 0.58% | 99,100 | $-544,823 | Down ×6 | ||
| VTI | $3,928,715 | 0.53% | 10,617 | $522,675 | |||
| GOOG Alphabet Inc. - Class C Capital Stock | $3,757,665 | 0.51% | 10,635 | $706,908 | |||
| JNJ Johnson & Johnson Common Stock | $3,596,978 | 0.49% | 14,163 | $125,441 | Down ×3 | ||
| BL BlackLine, Inc. - Common Stock | $3,536,175 | 0.48% | 125,977 | $-2,333,653 | Down ×6 | ||
| SYM Symbotic Inc. - Class A Common Stock | $2,403,027 | 0.33% | 53,460 | $444,575 | Up ×3 | ||
| TBLL | $2,056,504 | 0.28% | 19,480 | $-99,883 | Down ×1 | ||
| ABBV AbbVie Inc. Common Stock | $1,906,928 | 0.26% | 7,578 | $258,788 | |||
| RPRX Royalty Pharma plc - Class A Ordinary Shares | $1,684,680 | 0.23% | 30,046 | $779,246 | Up ×1 | ||
| TROW T. Rowe Price Group, Inc. - Common Stock | $1,596,208 | 0.22% | 14,040 | $114,306 | Down ×1 | ||
| VGSH Vanguard Short-Term Treasury ETF | $1,509,359 | 0.20% | 25,934 | $-8,818 | |||
| XOM Exxon Mobil Corporation Common Stock | $1,108,116 | 0.15% | 8,105 | $-289,883 | Down ×3 | ||
| DASH DoorDash, Inc. - Common Stock | $1,107,180 | 0.15% | 6,000 | $206,280 | |||
| MRK Merck & Company, Inc. Common Stock (new) | $1,048,303 | 0.14% | 8,158 | $66,977 | |||
| COST Costco Wholesale Corporation - Common Stock | $957,922 | 0.13% | 1,024 | $-62,423 | |||
| ORCL Oracle Corporation Common Stock | $847,792 | 0.11% | 5,785 | $-3,240 | |||
| NVDA NVIDIA Corporation - Common Stock | $773,548 | 0.10% | 3,866 | $134,197 | Up ×1 | ||
| ABT Abbott Laboratories Common Stock | $713,035 | 0.10% | 7,858 | $-93,746 | |||
| VRT Vertiv Holdings, LLC Class A Common Stock | $662,944 | 0.09% | 1,980 | $140,484 | Down ×4 | ||
| ADBE Adobe Inc. - Common Stock | $656,064 | 0.09% | 3,200 | $-121,792 | |||
| SPY SPY | $626,541 | 0.08% | 839 | $80,905 | |||
| CSCO Cisco Systems, Inc. - Common Stock | $596,697 | 0.08% | 5,080 | $202,539 | |||
| INTC Intel Corporation - Common Stock | $540,369 | 0.07% | 3,870 | Up ×1 | |||
| DIS Walt Disney Company (The) Common Stock | $509,067 | 0.07% | 5,289 | $-97,067 | Down ×1 | ||
| SCHX | $495,722 | 0.07% | 16,844 | $64,970 | Up ×1 | ||
| AXP American Express Company Common Stock | $493,845 | 0.07% | 1,460 | $32,563 | Down ×3 | ||
| QXO QXO, Inc. Common Stock | $475,114 | 0.06% | 27,495 | $41,950 | Up ×1 | ||
| NTRS Northern Trust Corporation - Common Stock | $391,140 | 0.05% | 2,250 | $77,107 | |||
| AMD Advanced Micro Devices, Inc. - Common Stock | $386,306 | 0.05% | 665 | Up ×1 | |||
| DELL Dell Technologies Inc. Class C Common Stock | $377,528 | 0.05% | 875 | Up ×1 | |||
| AVGO Broadcom Inc. - Common Stock | $364,569 | 0.05% | 965 | $56,574 | Down ×1 | ||
| META Meta Platforms, Inc. - Class A Common Stock | $354,310 | 0.05% | 629 | $-5,560 | |||
| BILL BILL Holdings, Inc. Common Stock | $336,722 | 0.05% | 9,312 | $-206,449 | Down ×3 | ||
| ADP Automatic Data Processing, Inc. - Common Stock | $313,530 | 0.04% | 1,400 | $29,078 | |||
| ASML ASML Holding N.V. - New York Registry Shares | $298,416 | 0.04% | 150 | Up ×1 | |||
| ADI Analog Devices, Inc. - Common Stock | $291,920 | 0.04% | 735 | $58,087 | |||
| WMT Walmart Inc. - Common Stock | $287,115 | 0.04% | 2,535 | $-27,935 | |||
| TWLO Twilio Inc. Class A Common Stock | $271,324 | 0.04% | 1,315 | ||||
| VTV | $269,144 | 0.04% | 1,235 | $26,837 | |||
| SMH SMH | $268,915 | 0.04% | 410 | Up ×1 | |||
| GLW Corning Incorporated Common Stock | $241,382 | 0.03% | 945 | Up ×1 | |||
| PFE Pfizer, Inc. Common Stock | $228,353 | 0.03% | 9,483 | $-44,598 | Down ×2 | ||
| No matches | |||||||
Conviction holdings
Positions increased for 3+ consecutive quarters.
Share counts are as reported in 13F filings (not split-adjusted)
Biggest new bets
New positions opened this quarter, largest first.
Top movers (QoQ)
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| AL | June 30, 2026 | 340,033 | $22,081,744 | No longer tracked |
| CI | March 31, 2026 | 1,080 | $297,249 | 3.8% |
| VRT | March 31, 2025 | 2,300 | $261,303 | 266.0% |
| AVGO | March 31, 2025 | 1,075 | $249,253 | 122.6% |
| TFX | March 31, 2025 | 1,200 | $213,576 | -2.3% |
| TWLO | March 31, 2026 | 1,460 | $207,671 | 72.7% |