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Disclosery

Cornerstone Advisors, LLC: KLAC position timeline

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

Cornerstone Advisors, LLC held 115,110 KLAC shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 115,110 shares
    Change vs previous 13F +102,796 shares

    1.14% of the 13F portfolio, value $34,729,838.

    13F-HR 0001398344-26-013809 filed by Cornerstone Advisors, 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 12,314 shares
    Change vs previous 13F 0 shares

    0.67% of the 13F portfolio, value $18,131,257.

    13F-HR 0001398344-26-008799 filed by Cornerstone Advisors, 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 12,314 shares
    Change vs previous 13F +12,314 shares

    0.5% of the 13F portfolio, value $14,962,495.

    13F-HR 0001398344-26-003109 filed by Cornerstone Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -4,700 shares

    13F-HR 0001398344-25-014846 filed by Cornerstone Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  5. period ended2025-03-31
    13F 4,700 shares
    Change vs previous 13F 0 shares

    0.14% of the 13F portfolio, value $3,195,060.

    13F-HR 0001398344-25-009115 filed by Cornerstone Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 4,700 shares
    Change vs previous 13F +800 shares

    0.12% of the 13F portfolio, value $2,961,564.

    13F-HR 0001398344-25-002231 filed by Cornerstone Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 3,900 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $3,020,199.

    13F-HR 0001398344-24-020355 filed by Cornerstone Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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