Oriental Harbor Investment Master Fund — 13F Holdings & Portfolio
CIK 2046333 · latest 13F-HR filed 2026-08-11
Oriental Harbor Investment Master Fund manages $1.65B in 13F-reported U.S. long-equity assets across 13 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are GOOG (22.48%), INTC (15.65%), NVDA (13.15%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 7 new positions, exited 6, added to 2, and trimmed 3.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
8 FINANCE STREET, CENTRAL
HONG KONG HKSAR
$1.65B
Long-equity book
13
Distinct positions
2026-06-30
Filed 2026-08-11
+7 / −6 / ↑2 / ↓3
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- MICRON TECHNOLOGY INC$145.7M +590.5%
- ALPHABET INC$25.2M +7.3%
Top Trims
- META PLATFORMS INC-$78.1M -99.8%
- AMAZON COM INC-$23.5M -62.2%
- TAIWAN SEMICONDUCTOR MANUFAC-$5.3M -7.5%
New Positions
- INTEL CORP$258.2M
- SANDISK CORP$175.7M
- ADVANCED MICRO DEVICES INC$146.1M
- MARVELL TECHNOLOGY INC$130.8M
- ARM HOLDINGS PLC$53.4M
Exited Positions
- APPLE INC$87.4M
- PROSHARES TR$81.8M
- ALPHABET INC$79.7M
- TESLA INC$74.1M
- DIREXION SHS ETF TR$25.6M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | ALPHABET INC | GOOG | 02079K107 | $370.9M | 22.48% | 1,049,653 | SH |
| 2 | INTEL CORP | INTC | 458140100 | $258.2M | 15.65% | 1,849,390 | SH |
| 3 | NVIDIA CORPORATION | NVDA | 67066G104 | $216.9M | 13.15% | 1,083,827 | SH |
| 4 | SANDISK CORP | SNDK | 80004C200 | $175.7M | 10.65% | 77,276 | SH |
| 5 | MICRON TECHNOLOGY INC | MU | 595112103 | $170.4M | 10.33% | 147,587 | SH |
| 6 | ADVANCED MICRO DEVICES INC | AMD | 007903107 | $146.1M | 8.85% | 251,437 | SH |
| 7 | MARVELL TECHNOLOGY INC | MRVL | 573874104 | $130.8M | 7.93% | 439,119 | SH |
| 8 | TAIWAN SEMICONDUCTOR MANUFAC | TSM | 874039100 | $65.6M | 3.97% | 137,289 | SH |
| 9 | ARM HOLDINGS PLC | ARM | 042068205 | $53.4M | 3.24% | 150,573 | SH |
| 10 | BROADCOM INC | AVGO | 11135F101 | $24.9M | 1.51% | 65,947 | SH |
| 11 | LUMENTUM HLDGS INC | LITE | 55024U109 | $22.4M | 1.36% | 26,122 | SH |
| 12 | AMAZON COM INC | AMZN | 023135106 | $14.3M | 0.87% | 59,897 | SH |
| 13 | META PLATFORMS INC | META | 30303M102 | $135.8K | 0.01% | 241 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-11 | $1.65B | 13 | 0002046333-26-000003 |
| 2026-03-31 | 2026-04-28 | $1.13B | 12 | 0002046333-26-000002 |
| 2025-12-31 | 2026-01-27 | $1.32B | 10 | 0002046333-26-000001 |