Stiles Financial Services Inc reported 160 positions worth $376.84M for the quarter ended Sep 30, 2026, down 1.5% on the prior quarter. It opened 3 new positions, added to 57, trimmed 87 and exited 9. Its largest holding is Nvidia Corp at 9.7% 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 |
|---|---|---|---|---|
| MU Micron Technology Inc | +763 | +10.8% | $812.73K | 2.22% |
| SPCX Space Exploration Technologies Corp | +4,136 | – | $623.96K | 0.166% |
| TSM Taiwan Semiconductor Manufacturing Co Ltd | +1,016 | +13.6% | $463.50K | 1.03% |
| CRWV CoreWeave, Inc. | +3,495 | +91.0% | $304.48K | 0.17% |
| CAT Caterpillar Inc | +362 | +11.4% | $293.48K | 0.762% |
| CG Carlyle Group Inc. | +6,930 | +42.9% | $274.84K | 0.243% |
| VRT Vertiv Holdings Co | +1,099 | – | $265.25K | 0.07% |
| CME Cme Group Inc. | +870 | +6.1% | $227.93K | 1.06% |
| RACE Ferrari N.V. | +482 | +81.0% | $189.33K | 0.112% |
| CEG Constellation Energy Corp | +718 | +5.7% | $182.39K | 0.904% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| NVDA Nvidia Corp | -1,548 | -1.0% | $353.53K | 9.72% |
| VLO Valero Energy Corp | -896 | -4.7% | $347.29K | 1.85% |
| LRCX Lam Research Corp | -970 | -2.0% | $318.65K | 4.13% |
| AAPL Apple Inc. | -828 | -2.0% | $275.74K | 3.55% |
| OLED Universal Display Corp Pa | -2,814 | -100.0% | $243.63K | Exited |
| AXP American Express Co | -696 | -100.0% | $235.45K | Exited |
| TXT Textron Inc | -2,448 | -100.0% | $224.57K | Exited |
| OSK Oshkosh Corp | -1,437 | -100.0% | $220.62K | Exited |
| DINO HF Sinclair Corp | -2,035 | -20.9% | $218.40K | 0.22% |
| REGN Regeneron Pharmaceuticals, Inc. | -288 | -8.1% | $218.38K | 0.659% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| OLED Universal Display Corp Pa | -2,814 | $243.63K | 0.064% |
| AXP American Express Co | -696 | $235.45K | 0.062% |
| TXT Textron Inc | -2,448 | $224.57K | 0.059% |
| OSK Oshkosh Corp | -1,437 | $220.62K | 0.058% |
| CL Colgate Palmolive Co | -2,378 | $218.05K | 0.057% |
| DTE Dte Energy Co | -1,413 | $215.30K | 0.056% |
| EXR Extra Space Storage Inc. | -1,481 | $215.18K | 0.056% |
| CSX Csx Corp | -4,280 | $203.41K | 0.053% |
| LHX L3Harris Technologies, Inc. | -699 | $203.17K | 0.053% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | NVDA Nvidia Corp | Technology | 160.4K | $36.63M | 9.72% | -1,548 | -1.0% | Reduced | 0% |
| 2 | LRCX Lam Research Corp | Technology | 47.4K | $15.58M | 4.13% | -970 | -2.0% | Reduced | 0% |
| 3 | AAPL Apple Inc. | Technology | 40.1K | $13.37M | 3.55% | -828 | -2.0% | Reduced | 0% |
| 4 | AMD Advanced Micro Devices Inc | Technology | 21.5K | $13.15M | 3.49% | -298 | -1.4% | Reduced | 0% |
| 5 | ASML Asml Holding Nv | Technology | 6,317 | $11.44M | 3.04% | -6 | -0.1% | Reduced | 0% |
| 6 | MSFT Microsoft Corp | Technology | 20.9K | $10.74M | 2.85% | -150 | -0.7% | Reduced | 0% |
| 7 | GOOGL Alphabet Inc. | Technology | 30.2K | $10.41M | 2.76% | +435 | +1.5% | Added | 0% |
| 8 | AMZN Amazon Com Inc | Consumer Discretionary | 40.2K | $10.02M | 2.66% | +38 | +0.1% | Added | 0% |
| 9 | BRK-B Berkshire Hathaway Inc | Financial Services | 17.0K | $8.47M | 2.25% | -212 | -1.2% | Reduced | 0% |
| 10 | MU Micron Technology Inc | Technology | 7,850 | $8.36M | 2.22% | +763 | +10.8% | Added | 0% |
| 11 | COST Costco Wholesale Corp | Consumer Staples | 8,829 | $8.04M | 2.13% | +5 | +0.1% | Added | 0% |
| 12 | GOOG Alphabet Inc. | Technology | 21.5K | $7.32M | 1.94% | -129 | -0.6% | Reduced | 0% |
| 13 | VLO Valero Energy Corp | Energy | 18.0K | $6.98M | 1.85% | -896 | -4.7% | Reduced | 0.01% |
| 14 | FAST Fastenal Co | Industrials | 107.8K | $5.34M | 1.42% | -840 | -0.8% | Reduced | 0.01% |
| 15 | QCOM Qualcomm Inc | Technology | 27.9K | $5.14M | 1.36% | -33 | -0.1% | Reduced | 0% |
Tip. Select a row to see that position’s full history at Stiles Financial Services.
As of its Q3 2026 13F filing, Stiles Financial Services Inc’s five largest positions were Nvidia Corp (NVDA) at 9.7%, Lam Research Corp (LRCX) at 4.1%, Apple Inc. (AAPL) at 3.5%, Advanced Micro Devices Inc (AMD) at 3.5%, Asml Holding Nv (ASML) at 3.0% of the reported portfolio.
Stiles Financial Services Inc reported a 13F portfolio worth $376.84M across 160 positions for Q3 2026. That is down 1.5% from the previous quarter.
Its largest purchases by value were Micron Technology Inc ($812.73K), Space Exploration Technologies Corp ($623.96K), Taiwan Semiconductor Manufacturing Co Ltd ($463.50K). It opened 3 new positions.
Its largest sales by value were Nvidia Corp ($353.53K), Valero Energy Corp ($347.29K), Lam Research Corp ($318.65K). It exited 9 positions entirely.
From the Form 13F-HR reports Stiles Financial Services Inc 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.