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Disclosery

FIRST MANHATTAN CO. LLC.: KLAC position timeline

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

FIRST MANHATTAN CO. LLC. held 33,810 KLAC shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 33,810 shares
    Change vs previous 13F +29,427 shares

    0.03% of the 13F portfolio, value $10,200,815.

    13F-HR 0000728083-26-000007 filed by FIRST MANHATTAN CO. 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 4,383 shares
    Change vs previous 13F -3 shares

    0.02% of the 13F portfolio, value $6,453,573.

    13F-HR 0000728083-26-000005 filed by FIRST MANHATTAN CO. 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 4,386 shares
    Change vs previous 13F -459 shares

    0.01% of the 13F portfolio, value $5,329,341.

    13F-HR 0000728083-26-000002 filed by FIRST MANHATTAN CO. 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 4,845 shares
    Change vs previous 13F -3 shares

    0.01% of the 13F portfolio, value $5,225,817.

    13F-HR 0000728083-25-000015 filed by FIRST MANHATTAN CO. 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 4,848 shares
    Change vs previous 13F +13 shares

    0.01% of the 13F portfolio, value $4,342,548.

    13F-HR 0000728083-25-000010 filed by FIRST MANHATTAN CO. 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 4,835 shares
    Change vs previous 13F +600 shares

    0.01% of the 13F portfolio, value $3,286,833.

    13F-HR 0001750312-25-000007 filed by FIRST MANHATTAN CO. 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 4,235 shares
    Change vs previous 13F +2,640 shares

    0.01% of the 13F portfolio, value $2,668,558.

    13F-HR 0000728083-25-000003 filed by FIRST MANHATTAN CO. 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 1,595 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,235,184.

    13F-HR 0001172661-24-004939 filed by FIRST MANHATTAN CO. LLC.
    Filed (acceptance time not in the bulk data set), ingested

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