Gunderson Capital Management LLC reported 49 positions worth $357.21M for the quarter ended Sep 30, 2026, up 1.3% on the prior quarter. It opened 23 new positions, added to 14, trimmed 11 and exited 20. Its largest holding is Seagate Technology Holdings plc at 5.4% 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 |
|---|---|---|---|---|
| HPE Hewlett Packard Enterprise Co | +241.2K | – | $15.41M | 4.31% |
| GOOGL Alphabet Inc. | +44.6K | +3,799.1% | $15.35M | 4.41% |
| PLTR Palantir Technologies Inc. | +62.8K | – | $11.75M | 3.29% |
| SNDK Sandisk Corp | +6,623 | +170.5% | $11.52M | 5.12% |
| META Meta Platforms, Inc. | +15.3K | – | $11.09M | 3.1% |
| ASX ASE Technology Holding Co., Ltd. | +209.3K | – | $9.30M | 2.6% |
| TWLO Twilio Inc | +30.6K | – | $8.94M | 2.5% |
| LRCX Lam Research Corp | +27.2K | – | $8.92M | 2.5% |
| STX Seagate Technology Holdings plc | +8,453 | +67.5% | $7.80M | 5.41% |
| GE General Electric Co | +25.0K | +95.1% | $7.79M | 4.48% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| AMAT Applied Materials Inc | -24.6K | -100.0% | $17.76M | Exited |
| KLAC Kla Corp | -43.5K | -100.0% | $13.11M | Exited |
| AMD Advanced Micro Devices Inc | -20.6K | -47.3% | $12.62M | 3.93% |
| DELL Dell Technologies Inc. | -22.2K | -45.0% | $11.96M | 4.09% |
| NBIS Nebius Group N.V. | -41.8K | -100.0% | $11.55M | Exited |
| PWR Quanta Services, Inc. | -14.5K | -100.0% | $10.41M | Exited |
| HAL Halliburton Co | -248.0K | -100.0% | $8.42M | Exited |
| ARM Arm Holdings Plc | -23.0K | -100.0% | $8.17M | Exited |
| MRVL Marvell Technology, Inc. | -30.1K | -51.0% | $7.96M | 2.14% |
| ADI Analog Devices Inc | -15.9K | -100.0% | $6.31M | Exited |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| HPE Hewlett Packard Enterprise Co | +241.2K | $15.41M | 4.31% |
| PLTR Palantir Technologies Inc. | +62.8K | $11.75M | 3.29% |
| META Meta Platforms, Inc. | +15.3K | $11.09M | 3.1% |
| ASX ASE Technology Holding Co., Ltd. | +209.3K | $9.30M | 2.6% |
| TWLO Twilio Inc | +30.6K | $8.94M | 2.5% |
| LRCX Lam Research Corp | +27.2K | $8.92M | 2.5% |
| ARGX Argenx Se | +6,078 | $5.83M | 1.63% |
| COHR Coherent Corp. | +18.8K | $5.42M | 1.52% |
| WDC Western Digital Corp | +11.5K | $5.21M | 1.46% |
| SLB Slb Limited | +91.8K | $4.47M | 1.25% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| AMAT Applied Materials Inc | -24.6K | $17.76M | 5.04% |
| KLAC Kla Corp | -43.5K | $13.11M | 3.72% |
| NBIS Nebius Group N.V. | -41.8K | $11.55M | 3.28% |
| PWR Quanta Services, Inc. | -14.5K | $10.41M | 2.95% |
| HAL Halliburton Co | -248.0K | $8.42M | 2.39% |
| ARM Arm Holdings Plc | -23.0K | $8.17M | 2.32% |
| ADI Analog Devices Inc | -15.9K | $6.31M | 1.79% |
| FTI TechnipFMC plc | -81.2K | $5.38M | 1.53% |
| CRWV CoreWeave, Inc. | -48.9K | $4.87M | 1.38% |
| SEI Solaris Energy Infrastructure, Inc. | -60.2K | $4.85M | 1.38% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | STX Seagate Technology Holdings plc | Technology | 21.0K | $19.34M | 5.41% | +8,453 | +67.5% | Added | 0.01% |
| 2 | NVDA Nvidia Corp | Technology | 83.9K | $19.16M | 5.36% | +14.2K | +20.4% | Added | 0% |
| 3 | SNDK Sandisk Corp | Technology | 10.5K | $18.28M | 5.12% | +6,623 | +170.5% | Added | 0.01% |
| 4 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Technology | 35.6K | $16.24M | 4.55% | -556 | -1.5% | Reduced | 0% |
| 5 | GE General Electric Co | Industrials | 51.2K | $15.99M | 4.48% | +25.0K | +95.1% | Added | 0% |
| 6 | GOOGL Alphabet Inc. | Technology | 45.8K | $15.75M | 4.41% | +44.6K | +3,799.1% | Added | 0% |
| 7 | MU Micron Technology Inc | Technology | 14.7K | $15.67M | 4.39% | -3,267 | -18.2% | Reduced | 0% |
| 8 | HPE Hewlett Packard Enterprise Co | Technology | 241.2K | $15.41M | 4.31% | +241.2K | – | New | 0.02% |
| 9 | DELL Dell Technologies Inc. | Technology | 27.2K | $14.62M | 4.09% | -22.2K | -45.0% | Reduced | 0.01% |
| 10 | AVGO Broadcom Inc. | Technology | 40.7K | $14.28M | 4% | +17.5K | +75.7% | Added | 0% |
| 11 | ANET Arista Networks, Inc. | Technology | 69.7K | $14.18M | 3.97% | +9,487 | +15.8% | Added | 0.01% |
| 12 | AMD Advanced Micro Devices Inc | Technology | 23.0K | $14.05M | 3.93% | -20.6K | -47.3% | Reduced | 0% |
| 13 | ASML Asml Holding Nv | Technology | 7,218 | $13.08M | 3.66% | -71 | -1.0% | Reduced | 0% |
| 14 | LLY ELI LILLY & Co | Healthcare | 10.4K | $12.01M | 3.36% | +554 | +5.6% | Added | 0% |
| 15 | PLTR Palantir Technologies Inc. | Technology | 62.8K | $11.75M | 3.29% | +62.8K | – | New | 0% |
Tip. Select a row to see that position’s full history at Gunderson Capital Management.
As of its Q3 2026 13F filing, Gunderson Capital Management LLC’s five largest positions were Seagate Technology Holdings plc (STX) at 5.4%, Nvidia Corp (NVDA) at 5.4%, Sandisk Corp (SNDK) at 5.1%, Taiwan Semiconductor Manufacturing Co Ltd (TSM) at 4.5%, General Electric Co (GE) at 4.5% of the reported portfolio.
Gunderson Capital Management LLC reported a 13F portfolio worth $357.21M across 49 positions for Q3 2026. That is up 1.3% from the previous quarter.
Its largest purchases by value were Hewlett Packard Enterprise Co ($15.41M), Alphabet Inc. ($15.35M), Palantir Technologies Inc. ($11.75M). It opened 23 new positions.
Its largest sales by value were Applied Materials Inc ($17.76M), Kla Corp ($13.11M), Advanced Micro Devices Inc ($12.62M). It exited 20 positions entirely.
From the Form 13F-HR reports Gunderson Capital Management 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.