StockDriftsStockDriftsTop 16 Harbor Island Capital LLC Holdings
| Stock | Company | % Port. | Shares | Value | Activity | Ownership | Avg. Cost | Date |
|---|---|---|---|---|---|---|---|---|
| LRCX | LAM RESEARCH CORP | 15.23% | 128.2K | $42.1M | -13.90%(-20.70K) | $19.67(+1069.98%) | 2026-09-30 | |
| AMAT | APPLIED MATLS INC | 14.83% | 80.2K | $41.0M | -13.33%(-12.33K) | $56.55(+564.15%) | 2026-09-30 | |
| AAPL | APPLE INC | 8.11% | 67.3K | $22.4M | -14.27%(-11.21K) | $42.11(+726.92%) | 2026-09-30 | |
| KLAC | KLA CORP | 8.1% | 114.8K | $22.4M | -15.54%(-21.13K) | $12.27(+1105.29%) | 2026-09-30 | |
| WBD | WARNER BROS DISCOVERY INC | 6.92% | 618.5K | $19.1M | -33.34%(-309.38K) | $12.82(+141.44%) | 2026-09-30 | |
| CSCO | CISCO SYS INC | 6.76% | 173.6K | $18.7M | -15.69%(-32.32K) | $37.80(+177.48%) | 2026-09-30 | |
| WFC | WELLS FARGO & CO | 6.36% | 219.7K | $17.6M | -13.58%(-34.51K) | $38.58(+115.17%) | 2026-09-30 | |
| MSFT | MICROSOFT CORP | 6.28% | 33.9K | $17.4M | -17.05%(-6.96K) | $96.13(+442.08%) | 2026-09-30 | |
| NKE | NIKE INC | 4.6% | 359.3K | $12.7M | -0.62%(-2.23K) | $59.60(-35.71%) | 2026-09-30 | |
| GATX | GATX CORP | 4.24% | 69.0K | $11.7M | -17.25%(-14.39K) | $62.08(+165.04%) | 2026-09-30 |
| Performance Metric | 3-Year Annualized | 3-Year Cumulative | 5-Year Annualized | 5-Year Cumulative |
|---|---|---|---|---|
| Top 20 Holdings Weighted | +32.72% | +133.80% | +19.23% | +140.90% |
| Top 20 Holdings Unweighted | +30.67% | +123.11% | +18.51% | +133.72% |
Harbor Island Capital LLC reports $276.46M in US-listed equity holdings across 16 positions in its most recent 13F filing. Its largest disclosed positions are LRCX (15.2%), AMAT (14.8%) and AAPL (8.1%). The top 20 holdings account for 99.99% of reported assets. Its disclosed equity book has returned +133.80% on a three-year cumulative basis. Figures reflect the Q3 2026 filing.
Portfolio changes
Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.
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Holdings on this page are parsed from Harbor Island Capital LLC’s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1730580). View Harbor Island Capital LLC’s 13F filings on SEC