Harbor Island Capital LLC reported 15 positions worth $257.31M for the quarter ended Sep 30, 2026, down 26.7% on the prior quarter. It opened 0 new positions, added to 0, trimmed 15 and exited 0. Its largest holding is Lam Research Corp at 16.4% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
No positions were added to this quarter.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| LRCX Lam Research Corp | -20.7K | -13.9% | $6.80M | 16.36% |
| AMAT Applied Materials Inc | -12.3K | -13.3% | $6.30M | 15.93% |
| KLAC Kla Corp | -21.1K | -15.5% | $4.12M | 8.7% |
| AAPL Apple Inc. | -11.2K | -14.3% | $3.73M | 8.72% |
| MSFT Microsoft Corp | -6,962 | -17.1% | $3.57M | 6.75% |
| CSCO Cisco Systems, Inc. | -32.3K | -15.7% | $3.48M | 7.26% |
| INTC Intel Corp | -24.4K | -21.2% | $2.93M | 4.24% |
| WFC Wells Fargo & Company | -34.5K | -13.6% | $2.76M | 6.83% |
| GATX Gatx Corp | -14.4K | -17.3% | $2.45M | 4.56% |
| CMCSA Comcast Corp | -108.5K | -19.7% | $2.36M | 3.73% |
No new positions this quarter.
No positions were closed this quarter.
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | LRCX Lam Research Corp | Technology | 128.2K | $42.11M | 16.36% | -20.7K | -13.9% | Reduced | 0.01% |
| 2 | AMAT Applied Materials Inc | Technology | 80.2K | $41.00M | 15.93% | -12.3K | -13.3% | Reduced | 0.01% |
| 3 | AAPL Apple Inc. | Technology | 67.3K | $22.43M | 8.72% | -11.2K | -14.3% | Reduced | 0% |
| 4 | KLAC Kla Corp | Technology | 114.8K | $22.38M | 8.7% | -21.1K | -15.5% | Reduced | 0.01% |
| 5 | CSCO Cisco Systems, Inc. | Technology | 173.6K | $18.69M | 7.26% | -32.3K | -15.7% | Reduced | 0% |
| 6 | WFC Wells Fargo & Company | Financial Services | 219.7K | $17.59M | 6.83% | -34.5K | -13.6% | Reduced | 0.01% |
| 7 | MSFT Microsoft Corp | Technology | 33.9K | $17.37M | 6.75% | -6,962 | -17.1% | Reduced | 0% |
| 8 | NKE NIKE, Inc. | Consumer Discretionary | 359.3K | $12.72M | 4.94% | -2,229 | -0.6% | Reduced | 0.02% |
| 9 | GATX Gatx Corp | Industrials | 69.0K | $11.73M | 4.56% | -14.4K | -17.3% | Reduced | 0.2% |
| 10 | INTC Intel Corp | Technology | 90.6K | $10.90M | 4.24% | -24.4K | -21.2% | Reduced | 0% |
| 11 | CMCSA Comcast Corp | Communication Services | 441.0K | $9.60M | 3.73% | -108.5K | -19.7% | Reduced | 0.01% |
| 12 | EXP Eagle Materials Inc | Basic Materials | 54.1K | $9.26M | 3.6% | -5,026 | -8.5% | Reduced | 0.18% |
| 13 | HPQ Hp Inc | Technology | 252.3K | $7.89M | 3.07% | -43.1K | -14.6% | Reduced | 0.03% |
| 14 | BAC Bank Of America Corp | Financial Services | 138.5K | $7.54M | 2.93% | -7,474 | -5.1% | Reduced | 0% |
| 15 | VSNT Versant Media Group, Inc. | Communication Services | 193.1K | $6.12M | 2.38% | -28.2K | -12.7% | Reduced | 0.14% |
Tip. Select a row to see that position’s full history at Harbor Island Capital.
As of its Q3 2026 13F filing, Harbor Island Capital LLC’s five largest positions were Lam Research Corp (LRCX) at 16.4%, Applied Materials Inc (AMAT) at 15.9%, Apple Inc. (AAPL) at 8.7%, Kla Corp (KLAC) at 8.7%, Cisco Systems, Inc. (CSCO) at 7.3% of the reported portfolio.
Harbor Island Capital LLC reported a 13F portfolio worth $257.31M across 15 positions for Q3 2026. That is down 26.7% from the previous quarter.
Its largest sales by value were Lam Research Corp ($6.80M), Applied Materials Inc ($6.30M), Kla Corp ($4.12M). It exited 0 positions entirely.
From the Form 13F-HR reports Harbor Island Capital LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.