OH
Oriental Harbor Investment Master Fund
13F filer · CIK 0002046333Reported Aug 11, 2026
Net buyer this quarter
13F portfolio value$1.65BU.S. long equity reported on 13F
Positions137 new · 4 closed
Net flow last quarter+$377MBuys minus sells
Top 10 positions weight97.8%Concentration
Holdings
13F · last 4 quarters freeScroll for earlier quarters
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026Reported Aug 11, 202613 positions | |||||
| $371M | 22.48% | Not reported | -12.9% | Q4 2024 | |
| $258M | 15.65% | 0.04% | New | Q2 2026 | |
| $217M | 13.15% | 0.00% | -15.7% | Q4 2024 | |
| $176M | 10.65% | 0.05% | New | Q2 2026 | |
| $170M | 10.33% | 0.01% | +102.1% | Q1 2026 | |
| $146M | 8.85% | 0.02% | New | Q2 2026 | |
| $131M | 7.93% | 0.05% | New | Q2 2026 | |
| $65.6M | 3.97% | 0.00% | -34.5% | Q4 2024 | |
| $53.4M | 3.24% | 0.01% | New | Q2 2026 | |
| $24.9M | 1.51% | 0.00% | Not reported | Q3 2025 | |
| $22.4M | 1.36% | 0.03% | New | Q2 2026 | |
| $14.3M | 0.87% | 0.00% | -67.0% | Q4 2024 | |
| $136K | 0.01% | Not reported | -99.8% | Q4 2024 | |
| Q1 2026Reported Apr 28, 202610 positions | |||||
| $346M | 30.50% | Not reported | -6.9% | Q4 2024 | |
| $224M | 19.79% | 0.01% | +1.1% | Q4 2024 | |
| $87.4M | 7.71% | 0.00% | +0.8% | Q4 2024 | |
| $79.7M | 7.03% | 0.00% | New | Q1 2026 | |
| $78.3M | 6.91% | Not reported | -0.1% | Q4 2024 | |
| $74.1M | 6.54% | 0.01% | +0.8% | Q4 2024 | |
| $70.9M | 6.25% | 0.00% | Not reported | Q4 2024 | |
| $37.8M | 3.34% | 0.00% | -1.2% | Q4 2024 | |
| $24.7M | 2.18% | 0.01% | New | Q1 2026 | |
| $3.03M | 0.27% | Not reported | New | Q1 2026 | |
| Q4 2025Reported Jan 27, 20268 positions | |||||
| $406M | 30.85% | Not reported | +40.6% | Q4 2024 | |
| $237M | 18.02% | 0.01% | +0.4% | Q4 2024 | |
| $106M | 8.05% | Not reported | -15.5% | Q2 2025 | |
| $93.6M | 7.11% | 0.00% | +1.1% | Q4 2024 | |
| $92.9M | 7.06% | 0.00% | +1.1% | Q4 2024 | |
| $90.4M | 6.87% | Not reported | +1.1% | Q4 2024 | |
| $89M | 6.77% | 0.01% | Not reported | Q4 2024 | |
| $42.4M | 3.22% | 0.00% | +2.4% | Q4 2024 | |
| Q3 2025Reported Oct 14, 202515 positions | |||||
| $236M | 18.29% | 0.01% | -0.1% | Q4 2024 | |
| $224M | 17.35% | Not reported | -0.1% | Q4 2024 | |
| $145M | 11.20% | Not reported | -4.7% | Q2 2025 | |
| $99.4M | 7.70% | Not reported | -0.1% | Q4 2024 | |
| $99.2M | 7.68% | 0.00% | -0.1% | Q4 2024 | |
| $88M | 6.81% | 0.01% | -0.1% | Q4 2024 | |
| $86.1M | 6.66% | 0.00% | -0.1% | Q4 2024 | |
| $52.9M | 4.09% | 0.06% | -0.1% | Q2 2025 | |
| $39.5M | 3.06% | 0.00% | New | Q3 2025 | |
| $39.4M | 3.05% | 0.00% | -50.1% | Q4 2024 | |
| $14.6M | 1.13% | 0.00% | -71.5% | Q2 2025 | |
| $12.6M | 0.98% | 0.04% | New | Q3 2025 | |
| $9.65M | 0.75% | 0.08% | New | Q3 2025 | |
| $9.57M | 0.74% | 0.00% | New | Q3 2025 | |
| $2.21M | 0.17% | 0.00% | -0.1% | Q4 2024 | |
Premium opens every quarter this fund has filed