Harbor Island Capital LLC
In its 13F for Q4 2025 (holdings as of December 31, 2025, filed January 23, 2026), Harbor Island Capital LLC reported 15 stock positions worth $260.8 million. Its top holding was Lam Research (LRCX) at 13.2% of the portfolio, followed by Applied Materials (AMAT, 12.8%) and Warner Bros Discovery (WBD, 10.8%). Compared with Q3 2025, it added to 2 and reduced 2. The biggest buy was Comcast Class A (CMCSA, shares +55%) and the biggest sale Lam Research (LRCX, shares −13%).
- Most Recent 13F
- Q2 2026
- Location
- Topsfield, MA
- CIK
- 0001730580
- Portfolio Value
- $260.8M (Q4 2025)
- SEC Filing
- 0001172661-26-000293 ↗ filed Jan 23, 2026
Holdings Value
Holdings 15 stocks · $260.8M
| LRCX Lam Research Corp. | 13.19% | 200,963 | $34.4M | Reduce -12.9% |
| AMAT Applied Materials Inc. | 12.76% | 129,527 | $33.3M | Reduce -9.8% |
| WBD Warner Bros Discovery Inc. | 10.84% | 981,390 | $28.3M | No change |
| WFC Wells Fargo & Co. | 9.08% | 254,192 | $23.7M | No change |
| AAPL Apple Inc. | 8.19% | 78,561 | $21.4M | No change |
| MSFT Microsoft Corp. | 7.14% | 38,524 | $18.6M | No change |
| KLAC KLA Corp. | 6.33% | 13,596 | $16.5M | No change |
| CSCO Cisco Systems Inc. | 6.08% | 205,951 | $15.9M | No change |
| CMCSA Comcast Corp. Class A | 5.51% | 480,401 | $14.4M | Add +54.8% |
| GATX Gatx Corp. | 5.42% | 83,396 | $14.1M | No change |
| NKE Nike Inc. Class B | 4.81% | 196,870 | $12.5M | Add +32.1% |
| EXP Eagle Materials Inc. | 3.40% | 42,920 | $8.9M | No change |
| BAC Bank of America Corp. filed as BANK AMERICA CORP | 3.08% | 145,981 | $8.0M | No change |
| HPQ HP Inc. | 2.52% | 295,406 | $6.6M | No change |
| INTC Intel Corp. | 1.63% | 115,051 | $4.2M | No change |
Portfolio Sells Q3 2025 → Q4 2025
Portfolio Buys Q3 2025 → Q4 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 |