Harbor Island Capital LLC — 13F Holdings & Portfolio
CIK 1730580 · latest 13F-HR filed 2026-05-12
Harbor Island Capital LLC manages $269.2M in 13F-reported U.S. long-equity assets across 16 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are AMAT (14.99%), LRCX (12.68%), WBD (9.91%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 1 new position, exited 0, added to 4, and trimmed 6.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$269.2M
Long-equity book
16
Distinct positions
2026-03-31
Filed 2026-05-12
+1 / −0 / ↑4 / ↓6
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- APPLIED MATLS INC$7.1M +21.2%
- KLA CORP$3.5M +21.2%
- EAGLE MATLS INC$2.3M +26.3%
- INTEL CORP$831.8K +19.6%
Top Trims
- MICROSOFT CORP-$4.4M -23.5%
- WELLS FARGO & CO-$3.5M -14.6%
- WARNER BROS DISCOVERY INC-$1.6M -5.7%
- APPLE INC-$1.4M -6.6%
- BANK AMERICA CORP-$912.4K -11.4%
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | APPLIED MATLS INC | AMAT | 038222105 | $40.4M | 14.99% | 118,062 | SH |
| 2 | LAM RESEARCH CORP | LRCX | 512807306 | $34.1M | 12.68% | 159,785 | SH |
| 3 | WARNER BROS DISCOVERY INC | WBD | 934423104 | $26.7M | 9.91% | 971,270 | SH |
| 4 | WELLS FARGO & CO | WFC | 949746101 | $20.2M | 7.52% | 254,192 | SH |
| 5 | KLA CORP | KLAC | 482480100 | $20.0M | 7.44% | 13,596 | SH |
| 6 | APPLE INC | AAPL | 037833100 | $19.9M | 7.41% | 78,561 | SH |
| 7 | CISCO SYS INC | CSCO | 17275R102 | $16.0M | 5.94% | 205,951 | SH |
| 8 | MICROSOFT CORP | MSFT | 594918104 | $14.3M | 5.30% | 38,524 | SH |
| 9 | GATX CORP | GATX | 361448103 | $14.2M | 5.29% | 83,396 | SH |
| 10 | COMCAST CORP NEW | CMCSA | 20030N101 | $13.8M | 5.12% | 480,401 | SH |
| 11 | NIKE INC | NKE | 654106103 | $12.8M | 4.77% | 242,915 | SH |
| 12 | EAGLE MATLS INC | EXP | 26969P108 | $11.2M | 4.16% | 59,157 | SH |
| 13 | VERSANT MEDIA GROUP INC | VSNT | 925283103 | $7.6M | 2.84% | 206,420 | SH |
| 14 | BANK AMERICA CORP | BAC | 060505104 | $7.1M | 2.64% | 145,981 | SH |
| 15 | HP INC | HPQ | 40434L105 | $5.7M | 2.11% | 295,406 | SH |
| 16 | INTEL CORP | INTC | 458140100 | $5.1M | 1.89% | 115,051 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-12 | $269.2M | 16 | 0001172661-26-001706 |
| 2025-12-31 | 2026-01-23 | $260.8M | 15 | 0001172661-26-000293 |
| 2025-09-30 | 2025-10-22 | $233.7M | 15 | 0001172661-25-004359 |
| 2024-09-30 | 2024-10-17 | $211.4M | 15 | 0001172661-24-004296 |
| 2024-06-30 | 2024-07-25 | $232.2M | 15 | 0001172661-24-002920 |
| 2024-03-31 | 2024-04-18 | $218.3M | 15 | 0001172661-24-001891 |