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Disclosery

Harbor Island Capital LLC: KLAC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Harbor Island Capital LLC on KLAC, newest first. How the timeline and the estimate are built.

Harbor Island Capital LLC held 135,960 KLAC shares at 2026-06-30 per its 13F-HR filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 135,960 shares
    Change vs previous 13F +122,364 shares

    10.92% of the 13F portfolio, value $41,020,492.

    13F-HR 0001172661-26-002936 filed by Harbor Island Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 13,596 shares
    Change vs previous 13F 0 shares

    7.44% of the 13F portfolio, value $20,018,886.

    13F-HR 0001172661-26-001706 filed by Harbor Island Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 13,596 shares
    Change vs previous 13F 0 shares

    6.33% of the 13F portfolio, value $16,520,228.

    13F-HR 0001172661-26-000293 filed by Harbor Island Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 13,596 shares
    Change vs previous 13F 0 shares

    6.28% of the 13F portfolio, value $14,664,646.

    13F-HR 0001172661-25-004359 filed by Harbor Island Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 13,596 shares
    Change vs previous 13F -953 shares

    5.71% of the 13F portfolio, value $12,178,481.

    13F-HR 0001172661-25-002945 filed by Harbor Island Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 14,549 shares
    Change vs previous 13F -205 shares

    4.9% of the 13F portfolio, value $9,890,410.

    13F-HR 0001172661-25-001627 filed by Harbor Island Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 14,754 shares
    Change vs previous 13F 0 shares

    4.45% of the 13F portfolio, value $9,296,790.

    13F-HR 0001172661-25-000369 filed by Harbor Island Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 14,754 shares
    Change vs previous 13F not available

    5.41% of the 13F portfolio, value $11,425,645.

    13F-HR 0001172661-24-004296 filed by Harbor Island Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).