Oriental Harbor Investment Master Fund reported 13 positions worth $1.47B for the quarter ended Sep 30, 2026, down 11.0% on the prior quarter. It opened 2 new positions, added to 7, trimmed 4 and exited 2. Its largest holding is Alphabet Inc. at 26.9% 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 |
|---|---|---|---|---|
| AAPL Apple Inc. | +274.4K | – | $91.36M | 6.22% |
| GOOG Alphabet Inc. | +110.6K | +10.5% | $37.68M | 26.92% |
| NVDA Nvidia Corp | +148.7K | +13.7% | $33.96M | 19.16% |
| AMZN Amazon Com Inc | +81.1K | +135.4% | $20.20M | 2.39% |
| SPCX Space Exploration Technologies Corp | +105.5K | – | $15.91M | 1.08% |
| META Meta Platforms, Inc. | +16.1K | +6,694.2% | $11.70M | 0.808% |
| MU Micron Technology Inc | +3,306 | +2.2% | $3.52M | 10.94% |
| SNDK Sandisk Corp | +1,483 | +1.9% | $2.58M | 9.33% |
| TSM Taiwan Semiconductor Manufacturing Co Ltd | +385 | +0.3% | $175.63K | 4.28% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| MRVL Marvell Technology, Inc. | -439.1K | -100.0% | $130.81M | Exited |
| AMD Advanced Micro Devices Inc | -159.8K | -63.6% | $97.79M | 3.82% |
| ARM Arm Holdings Plc | -150.6K | -100.0% | $53.39M | Exited |
| AVGO Broadcom Inc. | -65.6K | -99.4% | $23.03M | <0.01% |
| LITE Lumentum Holdings Inc. | -16.3K | -62.5% | $15.85M | 0.648% |
| INTC Intel Corp | -91.3K | -4.9% | $10.97M | 14.39% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | GOOG Alphabet Inc. | Technology | 1.16M | $395.34M | 26.92% | +110.6K | +10.5% | Added | 0.01% |
| 2 | NVDA Nvidia Corp | Technology | 1.23M | $281.48M | 19.16% | +148.7K | +13.7% | Added | 0.01% |
| 3 | INTC Intel Corp | Technology | 1.76M | $211.38M | 14.39% | -91.3K | -4.9% | Reduced | 0.03% |
| 4 | MU Micron Technology Inc | Technology | 150.9K | $160.72M | 10.94% | +3,306 | +2.2% | Added | 0.01% |
| 5 | SNDK Sandisk Corp | Technology | 78.8K | $137.03M | 9.33% | +1,483 | +1.9% | Added | 0.05% |
| 6 | AAPL Apple Inc. | Technology | 274.4K | $91.36M | 6.22% | +274.4K | – | New | 0% |
| 7 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Technology | 137.7K | $62.81M | 4.28% | +385 | +0.3% | Added | 0% |
| 8 | AMD Advanced Micro Devices Inc | Technology | 91.6K | $56.03M | 3.82% | -159.8K | -63.6% | Reduced | 0.01% |
| 9 | AMZN Amazon Com Inc | Consumer Discretionary | 141.0K | $35.13M | 2.39% | +81.1K | +135.4% | Added | 0% |
| 10 | SPCX Space Exploration Technologies Corp | Industrials | 105.5K | $15.91M | 1.08% | +105.5K | – | New | 0% |
| 11 | META Meta Platforms, Inc. | Technology | 16.4K | $11.87M | 0.808% | +16.1K | +6,694.2% | Added | 0% |
| 12 | LITE Lumentum Holdings Inc. | Technology | 9,804 | $9.52M | 0.648% | -16.3K | -62.5% | Reduced | 0.01% |
| 13 | AVGO Broadcom Inc. | Technology | 364 | $127.83K | <0.01% | -65.6K | -99.4% | Reduced | 0% |
Tip. Select a row to see that position’s full history at Oriental Harbor Investment Master Fund.
As of its Q3 2026 13F filing, Oriental Harbor Investment Master Fund’s five largest positions were Alphabet Inc. (GOOG) at 26.9%, Nvidia Corp (NVDA) at 19.2%, Intel Corp (INTC) at 14.4%, Micron Technology Inc (MU) at 10.9%, Sandisk Corp (SNDK) at 9.3% of the reported portfolio.
Oriental Harbor Investment Master Fund reported a 13F portfolio worth $1.47B across 13 positions for Q3 2026. That is down 11.0% from the previous quarter.
Its largest purchases by value were Apple Inc. ($91.36M), Alphabet Inc. ($37.68M), Nvidia Corp ($33.96M). It opened 2 new positions.
Its largest sales by value were Marvell Technology, Inc. ($130.81M), Advanced Micro Devices Inc ($97.79M), Arm Holdings Plc ($53.39M). It exited 2 positions entirely.
From the Form 13F-HR reports Oriental Harbor Investment Master Fund 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.