Harbor Island Capital LLC

CIK 0001730580 · TOPSFIELD, MA · Quarter end: 2026-06-30 · Filed on: 2026-07-30 · Open the SEC source

Harbor Island Capital LLC reported 16 positions worth $375.6M as of June 30, 2026 (13F filed July 30, 2026). Largest holding: AMAT (17.8%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$375.6M
2026 Q2
Positions
16
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
82.9%
Est. Net Flow (Q)
2026 Q2
10 / 16 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1AMATAPPLIED MATLS INCSH$66.9M17.81%92,498
2LRCXLAM RESEARCH CORPSH$64.5M17.18%148,878
3KLACKLA CORPSH$41.0M10.92%135,960
4WBDWARNER BROS DISCOVERY INCSH$24.7M6.59%927,890
5CSCOCISCO SYS INCSH$24.2M6.44%205,951
6AAPLAPPLE INCSH$22.7M6.05%78,561
7WFCWELLS FARGO & COSH$21.0M5.59%254,192
8INTCINTEL CORPSH$16.1M4.28%115,051
9MSFTMICROSOFT CORPSH$15.2M4.05%40,824
10NKENIKE INCSH$14.8M3.95%361,489

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Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does Harbor Island Capital LLC hold as of Q2 2026?

Harbor Island Capital LLC reported 16 positions worth $375.6M in its Q2 2026 13F filing. Largest positions: AMAT (17.8%), LRCX (17.2%), KLAC (10.9%), WBD (6.6%) and CSCO (6.4%).

What did Harbor Island Capital LLC buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did Harbor Island Capital LLC sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.