Capstone Capital Management Ltd reported 137 positions worth $204.79M for the quarter ended Sep 30, 2026, up 8.4% on the prior quarter. It opened 60 new positions, added to 46, trimmed 30 and exited 67. Its largest holding is Intel Corp at 22% 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 |
|---|---|---|---|---|
| INTC Intel Corp | +375.5K | – | $45.15M | 22.05% |
| VSH Vishay Intertechnology Inc | +147.0K | +409.5% | $4.78M | 2.91% |
| MKSI Mks Inc | +11.7K | +283.6% | $3.10M | 2.05% |
| AXTI Axt Inc | +39.1K | +106.7% | $3.02M | 2.86% |
| AAOI Applied Optoelectronics, Inc. | +21.2K | – | $2.10M | 1.03% |
| VICR Vicor Corp | +6,192 | – | $1.79M | 0.874% |
| SNDK Sandisk Corp | +1,021 | – | $1.78M | 0.867% |
| AEHR Aehr Test Systems | +17.7K | +80.9% | $1.76M | 1.92% |
| HPE Hewlett Packard Enterprise Co | +23.7K | – | $1.52M | 0.741% |
| VRT Vertiv Holdings Co | +5,869 | – | $1.42M | 0.692% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| CRWV CoreWeave, Inc. | -71.1K | -79.2% | $6.19M | 0.795% |
| ORCL Oracle Corp | -31.9K | -61.1% | $4.39M | 1.36% |
| IREN IREN Ltd | -85.6K | -87.8% | $3.50M | 0.238% |
| PDD PDD Holdings Inc. | -37.6K | -72.1% | $2.93M | 0.555% |
| NRG Nrg Energy, Inc. | -20.0K | -100.0% | $2.92M | Exited |
| NOW ServiceNow, Inc. | -21.3K | -65.3% | $2.85M | 0.741% |
| AAPL Apple Inc. | -9,652 | -100.0% | $2.79M | Exited |
| CEG Constellation Energy Corp | -9,360 | -100.0% | $2.32M | Exited |
| AMAT Applied Materials Inc | -3,064 | -100.0% | $2.22M | Exited |
| KLAC Kla Corp | -11.3K | -85.2% | $2.21M | 0.187% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| INTC Intel Corp | +375.5K | $45.15M | 22.05% |
| AAOI Applied Optoelectronics, Inc. | +21.2K | $2.10M | 1.03% |
| VICR Vicor Corp | +6,192 | $1.79M | 0.874% |
| SNDK Sandisk Corp | +1,021 | $1.78M | 0.867% |
| HPE Hewlett Packard Enterprise Co | +23.7K | $1.52M | 0.741% |
| VRT Vertiv Holdings Co | +5,869 | $1.42M | 0.692% |
| RDDT Reddit, Inc. | +9,257 | $1.32M | 0.644% |
| ARM Arm Holdings Plc | +4,324 | $1.25M | 0.612% |
| UUP Invesco DB US Dollar Index Bullish Fund | +37.6K | $1.08M | 0.528% |
| UPS United Parcel Service Inc | +10.7K | $1.00M | 0.488% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| NRG Nrg Energy, Inc. | -20.0K | $2.92M | 1.55% |
| AAPL Apple Inc. | -9,652 | $2.79M | 1.48% |
| CEG Constellation Energy Corp | -9,360 | $2.32M | 1.23% |
| AMAT Applied Materials Inc | -3,064 | $2.22M | 1.17% |
| QCOM Qualcomm Inc | -11.7K | $2.16M | 1.15% |
| FUTU Futu Holdings Ltd | -19.4K | $1.82M | 0.964% |
| SITM SITIME Corp | -2,292 | $1.71M | 0.905% |
| PURR Hyperliquid Strategies Inc | -212.4K | $1.67M | 0.885% |
| MDB MongoDB, Inc. | -4,832 | $1.62M | 0.859% |
| ON On Semiconductor Corp | -16.0K | $1.52M | 0.803% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | INTC Intel Corp | Technology | 375.5K | $45.15M | 22.05% | +375.5K | – | New | 0.01% |
| 2 | SNPS Synopsys Inc | Technology | 16.9K | $7.36M | 3.59% | +2,560 | +17.8% | Added | 0.01% |
| 3 | VSH Vishay Intertechnology Inc | Technology | 182.9K | $5.95M | 2.91% | +147.0K | +409.5% | Added | 0.13% |
| 4 | AXTI Axt Inc | Technology | 75.7K | $5.86M | 2.86% | +39.1K | +106.7% | Added | 0.12% |
| 5 | AMD Advanced Micro Devices Inc | Technology | 7,819 | $4.78M | 2.34% | +831 | +11.9% | Added | 0% |
| 6 | MKSI Mks Inc | Technology | 15.8K | $4.20M | 2.05% | +11.7K | +283.6% | Added | 0.02% |
| 7 | AEHR Aehr Test Systems | Technology | 39.6K | $3.94M | 1.92% | +17.7K | +80.9% | Added | 0.12% |
| 8 | NBIS Nebius Group N.V. | Technology | 15.5K | $3.65M | 1.78% | -157 | -1.0% | Reduced | 0.01% |
| 9 | BE Bloom Energy Corp | Industrials | 11.8K | $3.28M | 1.6% | -386 | -3.2% | Reduced | 0% |
| 10 | FORM Formfactor Inc | Technology | 19.2K | $2.86M | 1.4% | +5,908 | +44.6% | Added | 0.02% |
| 11 | ORCL Oracle Corp | Technology | 20.3K | $2.79M | 1.36% | -31.9K | -61.1% | Reduced | 0% |
| 12 | LITE Lumentum Holdings Inc. | Technology | 2,766 | $2.69M | 1.31% | -475 | -14.7% | Reduced | 0% |
| 13 | TSEM Tower Semiconductor Ltd | Technology | 10.5K | $2.39M | 1.17% | +3,372 | +47.2% | Added | 0.01% |
| 14 | AAOI Applied Optoelectronics, Inc. | Technology | 21.2K | $2.10M | 1.03% | +21.2K | – | New | 0.03% |
| 15 | WDC Western Digital Corp | Technology | 4,434 | $2.02M | 0.984% | -1,635 | -26.9% | Reduced | 0% |
Tip. Select a row to see that position’s full history at Capstone Capital Management.
As of its Q3 2026 13F filing, Capstone Capital Management Ltd’s five largest positions were Intel Corp (INTC) at 22.0%, Synopsys Inc (SNPS) at 3.6%, Vishay Intertechnology Inc (VSH) at 2.9%, Axt Inc (AXTI) at 2.9%, Advanced Micro Devices Inc (AMD) at 2.3% of the reported portfolio.
Capstone Capital Management Ltd reported a 13F portfolio worth $204.79M across 137 positions for Q3 2026. That is up 8.4% from the previous quarter.
Its largest purchases by value were Intel Corp ($45.15M), Vishay Intertechnology Inc ($4.78M), Mks Inc ($3.10M). It opened 60 new positions.
Its largest sales by value were CoreWeave, Inc. ($6.19M), Oracle Corp ($4.39M), IREN Ltd ($3.50M). It exited 67 positions entirely.
From the Form 13F-HR reports Capstone Capital Management Ltd 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.