Harbor Investment Advisory, LLC reported 939 positions worth $982.01M for the quarter ended Sep 30, 2026, up 3.4% on the prior quarter. It opened 112 new positions, added to 314, trimmed 173 and exited 19. Its largest holding is Marriott International Inc at 19.3% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| NVDA Nvidia Corp | +13.3K | +16.6% | $3.04M | 2.18% |
| SPCX Space Exploration Technologies Corp | +16.3K | – | $2.46M | 0.251% |
| MSFT Microsoft Corp | +3,684 | +3.9% | $1.89M | 5.09% |
| HON Honeywell International Inc | +7,401 | – | $1.56M | 0.159% |
| HONA Honeywell Aerospace Inc. | +9,001 | – | $1.39M | 0.142% |
| GS Goldman Sachs Group Inc | +1,534 | +25.6% | $1.38M | 0.689% |
| SHOP Shopify Inc. | +7,052 | +186.2% | $1.05M | 0.164% |
| MU Micron Technology Inc | +962 | +48.6% | $1.02M | 0.319% |
| VRTX Vertex Pharmaceuticals Inc / Ma | +1,340 | +95.8% | $700.57K | 0.146% |
| BKR Baker Hughes Co | +10.5K | +89.0% | $578.15K | 0.125% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| SNDK Sandisk Corp | -1,399 | -82.1% | $2.43M | 0.054% |
| SLB Slb Limited | -25.1K | -93.5% | $1.22M | <0.01% |
| STX Seagate Technology Holdings plc | -1,233 | -72.6% | $1.14M | 0.044% |
| GOOGL Alphabet Inc. | -2,458 | -1.4% | $845.75K | 5.87% |
| GLD Spdr Gold Trust | -1,981 | -7.1% | $754.44K | 1.01% |
| TSLA Tesla, Inc. | -1,807 | -14.2% | $641.14K | 0.394% |
| MRVL Marvell Technology, Inc. | -2,294 | -52.6% | $606.09K | 0.056% |
| MP MP Materials Corp. / DE | -11.7K | -91.6% | $553.01K | <0.01% |
| GOOG Alphabet Inc. | -1,280 | -2.0% | $436.15K | 2.18% |
| BRK-B Berkshire Hathaway Inc | -840 | -1.3% | $418.28K | 3.2% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| SPCX Space Exploration Technologies Corp | +16.3K | $2.46M | 0.251% |
| HON Honeywell International Inc | +7,401 | $1.56M | 0.159% |
| HONA Honeywell Aerospace Inc. | +9,001 | $1.39M | 0.142% |
| MCK Mckesson Corp | +639 | $545.59K | 0.056% |
| ONC BeOne Medicines Ltd. | +1,251 | $457.79K | 0.047% |
| QXO QXO, Inc. | +17.9K | $208.68K | 0.021% |
| RSG Republic Services, Inc. | +981 | $205.88K | 0.021% |
| PNFP Pinnacle Financial Partners, Inc. | +2,077 | $194.43K | 0.02% |
| FDXF FedEx Freight Holding Company, Inc. | +1,599 | $174.90K | 0.018% |
| MYRG Myr Group Inc. | +499 | $145.94K | 0.015% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| DKS Dick'S Sporting Goods, Inc. | -706 | $160.13K | 0.017% |
| AU AngloGold Ashanti PLC | -1,900 | $153.69K | 0.016% |
| NGVT Ingevity Corp | -948 | $70.79K | <0.01% |
| FNV FRANCO NEVADA Corp | -300 | $62.53K | <0.01% |
| NTNX Nutanix, Inc. | -1,154 | $58.81K | <0.01% |
| PEN Penumbra Inc | -179 | $56.52K | <0.01% |
| RARE Ultragenyx Pharmaceutical Inc. | -1,566 | $52.29K | <0.01% |
| WPM Wheaton Precious Metals Corp. | -450 | $50.54K | <0.01% |
| P Everpure, Inc. | -592 | $46.64K | <0.01% |
| ESTC Elastic N.V. | -741 | $42.25K | <0.01% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | MAR Marriott International Inc | Consumer Discretionary | 531.9K | $189.17M | 19.26% | -182 | 0.0% | Reduced | 0.2% |
| 2 | AAPL Apple Inc. | Technology | 316.8K | $105.49M | 10.74% | -999 | -0.3% | Reduced | 0% |
| 3 | AMZN Amazon Com Inc | Consumer Discretionary | 231.5K | $57.68M | 5.87% | +2,024 | +0.9% | Added | 0% |
| 4 | GOOGL Alphabet Inc. | Technology | 167.5K | $57.65M | 5.87% | -2,458 | -1.4% | Reduced | 0% |
| 5 | MSFT Microsoft Corp | Technology | 97.4K | $49.96M | 5.09% | +3,684 | +3.9% | Added | 0% |
| 6 | BRK-B Berkshire Hathaway Inc | Financial Services | 63.2K | $31.47M | 3.2% | -840 | -1.3% | Reduced | 0% |
| 7 | GOOG Alphabet Inc. | Technology | 62.8K | $21.40M | 2.18% | -1,280 | -2.0% | Reduced | 0% |
| 8 | NVDA Nvidia Corp | Technology | 93.7K | $21.40M | 2.18% | +13.3K | +16.6% | Added | 0% |
| 9 | JPM Jpmorgan Chase & Co | Financial Services | 58.7K | $19.43M | 1.98% | +1,007 | +1.7% | Added | 0% |
| 10 | GLDM World Gold Trust | Others | 180.4K | $14.83M | 1.51% | +2,336 | +1.3% | Added | 0.05% |
| 11 | MA Mastercard Inc | Financial Services | 26.1K | $14.39M | 1.47% | -6 | 0.0% | Reduced | 0% |
| 12 | V Visa Inc. | Financial Services | 39.4K | $14.17M | 1.44% | -712 | -1.8% | Reduced | 0% |
| 13 | LLY ELI LILLY & Co | Healthcare | 10.2K | $11.76M | 1.2% | +5 | +0.0% | Added | 0% |
| 14 | JNJ Johnson & Johnson | Healthcare | 42.2K | $11.17M | 1.14% | +414 | +1.0% | Added | 0% |
| 15 | META Meta Platforms, Inc. | Technology | 13.7K | $9.90M | 1.01% | +60 | +0.4% | Added | 0% |
Tip. Select a row to see that position’s full history at Harbor Investment Advisory.
As of its Q3 2026 13F filing, Harbor Investment Advisory, LLC’s five largest positions were Marriott International Inc (MAR) at 19.3%, Apple Inc. (AAPL) at 10.7%, Amazon Com Inc (AMZN) at 5.9%, Alphabet Inc. (GOOGL) at 5.9%, Microsoft Corp (MSFT) at 5.1% of the reported portfolio.
Harbor Investment Advisory, LLC reported a 13F portfolio worth $982.01M across 939 positions for Q3 2026. That is up 3.4% from the previous quarter.
Its largest purchases by value were Nvidia Corp ($3.04M), Space Exploration Technologies Corp ($2.46M), Microsoft Corp ($1.89M). It opened 112 new positions.
Its largest sales by value were Sandisk Corp ($2.43M), Slb Limited ($1.22M), Seagate Technology Holdings plc ($1.14M). It exited 19 positions entirely.
From the Form 13F-HR reports Harbor Investment Advisory, LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.