Hartline Investment Corp/ reported 83 positions worth $805.89M for the quarter ended Sep 30, 2026, down 17.9% on the prior quarter. It opened 4 new positions, added to 26, trimmed 44 and exited 20. Its largest holding is Nvidia Corp at 16.8% 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 |
|---|---|---|---|---|
| MRK Merck & Co., Inc. | +44.8K | – | $6.51M | 0.808% |
| LITE Lumentum Holdings Inc. | +5,595 | – | $5.43M | 0.674% |
| STRL Sterling Infrastructure, Inc. | +8,050 | +127.6% | $3.96M | 0.876% |
| GOOGL Alphabet Inc. | +8,466 | +6.6% | $2.91M | 5.86% |
| HOOD Robinhood Markets, Inc. | +19.3K | +61.2% | $2.17M | 0.709% |
| PLTR Palantir Technologies Inc. | +10.2K | +14.2% | $1.91M | 1.91% |
| ETN Eaton Corp plc | +4,309 | +22.2% | $1.85M | 1.26% |
| APP AppLovin Corp | +5,606 | +40.3% | $1.63M | 0.703% |
| LLY ELI LILLY & Co | +1,287 | +5.1% | $1.49M | 3.82% |
| META Meta Platforms, Inc. | +1,903 | +6.1% | $1.38M | 2.98% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| AAPL Apple Inc. | -151.4K | -73.4% | $50.41M | 2.27% |
| MRVL Marvell Technology, Inc. | -73.6K | -31.8% | $19.45M | 5.18% |
| BRK-A Berkshire Hathaway Inc | -26 | -22.2% | $19.42M | 8.44% |
| AMD Advanced Micro Devices Inc | -23.2K | -30.5% | $14.18M | 4.01% |
| GLW Corning Inc | -91.2K | -40.0% | $14.03M | 2.61% |
| WMT Walmart Inc. | -94.5K | -52.1% | $9.82M | 1.12% |
| IBM International Business Machines Corp | -36.4K | -78.3% | $8.01M | 0.275% |
| DELL Dell Technologies Inc. | -14.9K | -20.6% | $8.01M | 3.83% |
| MSFT Microsoft Corp | -15.2K | -23.7% | $7.78M | 3.11% |
| AMAT Applied Materials Inc | -8,385 | -100.0% | $6.06M | Exited |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| AMAT Applied Materials Inc | -8,385 | $6.06M | 0.617% |
| AFL Aflac Inc | -16.3K | $1.91M | 0.194% |
| MCHP Microchip Technology Inc | -18.2K | $1.66M | 0.169% |
| AMGN Amgen Inc | -2,975 | $1.08M | 0.11% |
| CARR CARRIER GLOBAL Corp | -14.2K | $1.04M | 0.106% |
| DIS Walt Disney Co | -9,308 | $895.90K | 0.091% |
| SNPS Synopsys Inc | -1,998 | $891.25K | 0.091% |
| LH Labcorp Holdings Inc. | -3,100 | $868.00K | 0.088% |
| TROW Price T Rowe Group Inc | -7,070 | $803.79K | 0.082% |
| MDT Medtronic plc | -7,225 | $565.21K | 0.058% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | NVDA Nvidia Corp | Technology | 591.9K | $135.18M | 16.77% | -18.8K | -3.1% | Reduced | 0% |
| 2 | BRK-A Berkshire Hathaway Inc | Financial Services | 91 | $67.98M | 8.44% | -26 | -22.2% | Reduced | 0.02% |
| 3 | GOOGL Alphabet Inc. | Technology | 137.2K | $47.21M | 5.86% | +8,466 | +6.6% | Added | 0% |
| 4 | MRVL Marvell Technology, Inc. | Technology | 157.9K | $41.73M | 5.18% | -73.6K | -31.8% | Reduced | 0.02% |
| 5 | AMZN Amazon Com Inc | Consumer Discretionary | 136.7K | $34.06M | 4.23% | -4,602 | -3.3% | Reduced | 0% |
| 6 | AMD Advanced Micro Devices Inc | Technology | 52.8K | $32.29M | 4.01% | -23.2K | -30.5% | Reduced | 0% |
| 7 | DELL Dell Technologies Inc. | Technology | 57.4K | $30.86M | 3.83% | -14.9K | -20.6% | Reduced | 0.02% |
| 8 | LLY ELI LILLY & Co | Healthcare | 26.6K | $30.82M | 3.82% | +1,287 | +5.1% | Added | 0% |
| 9 | VRT Vertiv Holdings Co | Industrials | 123.9K | $29.89M | 3.71% | -22.2K | -15.2% | Reduced | 0.03% |
| 10 | MSFT Microsoft Corp | Technology | 48.9K | $25.09M | 3.11% | -15.2K | -23.7% | Reduced | 0% |
| 11 | NET Cloudflare, Inc. | Technology | 69.9K | $24.26M | 3.01% | -4,158 | -5.6% | Reduced | 0.02% |
| 12 | META Meta Platforms, Inc. | Technology | 33.1K | $24.01M | 2.98% | +1,903 | +6.1% | Added | 0% |
| 13 | GLW Corning Inc | Basic Materials | 136.9K | $21.05M | 2.61% | -91.2K | -40.0% | Reduced | 0.02% |
| 14 | MS Morgan Stanley | Financial Services | 110.5K | $20.79M | 2.58% | +6,725 | +6.5% | Added | 0.01% |
| 15 | AAPL Apple Inc. | Technology | 54.9K | $18.29M | 2.27% | -151.4K | -73.4% | Reduced | 0% |
Tip. Select a row to see that position’s full history at Hartline Investment.
As of its Q3 2026 13F filing, Hartline Investment Corp/’s five largest positions were Nvidia Corp (NVDA) at 16.8%, Berkshire Hathaway Inc (BRK-A) at 8.4%, Alphabet Inc. (GOOGL) at 5.9%, Marvell Technology, Inc. (MRVL) at 5.2%, Amazon Com Inc (AMZN) at 4.2% of the reported portfolio.
Hartline Investment Corp/ reported a 13F portfolio worth $805.89M across 83 positions for Q3 2026. That is down 17.9% from the previous quarter.
Its largest purchases by value were Merck & Co., Inc. ($6.51M), Lumentum Holdings Inc. ($5.43M), Sterling Infrastructure, Inc. ($3.96M). It opened 4 new positions.
Its largest sales by value were Apple Inc. ($50.41M), Marvell Technology, Inc. ($19.45M), Berkshire Hathaway Inc ($19.42M). It exited 20 positions entirely.
From the Form 13F-HR reports Hartline Investment Corp/ 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.