Harbor Island Capital LLC
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed October 22, 2025), Harbor Island Capital LLC reported 15 stock positions worth $233.7 million. Its top holding was Lam Research (LRCX) at 13.2% of the portfolio, followed by Applied Materials (AMAT, 12.6%) and Wells Fargo (WFC, 9.1%). Compared with Q2 2025, it added to 2 and reduced 3. The biggest buy was Warner Bros Discovery (WBD, shares +0%) and the biggest sale Applied Materials (AMAT, shares −13%).
- Most Recent 13F
- Q2 2026
- Location
- Topsfield, MA
- CIK
- 0001730580
- Portfolio Value
- $233.7M (Q3 2025)
- SEC Filing
- 0001172661-25-004359 ↗ filed Oct 22, 2025
Holdings Value
Holdings 15 stocks · $233.7M
| LRCX Lam Research Corp. | 13.23% | 230,800 | $30.9M | Reduce -28.9% |
| AMAT Applied Materials Inc. | 12.59% | 143,630 | $29.4M | Reduce -13.2% |
| WFC Wells Fargo & Co. | 9.12% | 254,192 | $21.3M | No change |
| AAPL Apple Inc. | 8.56% | 78,561 | $20.0M | No change |
| MSFT Microsoft Corp. | 8.54% | 38,524 | $20.0M | No change |
| WBD Warner Bros Discovery Inc. | 8.20% | 981,390 | $19.2M | Add +0.3% |
| KLAC KLA Corp. | 6.28% | 13,596 | $14.7M | No change |
| GATX Gatx Corp. | 6.24% | 83,396 | $14.6M | No change |
| CSCO Cisco Systems Inc. | 6.03% | 205,951 | $14.1M | No change |
| NKE Nike Inc. Class B | 4.45% | 149,030 | $10.4M | No change |
| EXP Eagle Materials Inc. | 4.28% | 42,920 | $10.0M | No change |
| CMCSA Comcast Corp. Class A | 4.17% | 310,401 | $9.8M | Add +43.2% |
| HPQ HP Inc. | 3.44% | 295,406 | $8.0M | Reduce -16.1% |
| BAC Bank of America Corp. filed as BANK AMERICA CORP | 3.22% | 145,981 | $7.5M | No change |
| INTC Intel Corp. | 1.65% | 115,051 | $3.9M | No change |
Portfolio Sells Q2 2025 → Q3 2025
Portfolio Buys Q2 2025 → Q3 2025
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 16 | $375.6M | AMAT, LRCX, KLAC, WBD, CSCO |
| Q1 2026 | 16 | $269.2M | AMAT, LRCX, WBD, WFC, KLAC |
| Q4 2025 | 15 | $260.8M | LRCX, AMAT, WBD, WFC, AAPL |
| Q3 2025 | 15 | $233.7M | LRCX, AMAT, WFC, AAPL, MSFT |
| Q2 2025 | 15 | $213.1M | LRCX, AMAT, WFC, MSFT, AAPL |
| Q1 2025 | 16 | $201.9M | LRCX, AMAT, WFC, AAPL, MSFT |
| Q4 2024 | 15 | $209.0M | AMAT, LRCX, AAPL, WFC, MSFT |
| Q3 2024 | 15 | $211.4M | AMAT, LRCX, AAPL, MSFT, WFC |
| Q2 2024 | 15 | $232.2M | AMAT, LRCX, AAPL, MSFT, WFC |
| Q1 2024 | 15 | $218.3M | AMAT, LRCX, MSFT, AAPL, WFC |