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OLD SECOND NATIONAL BANK OF AURORA: KLAC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of OLD SECOND NATIONAL BANK OF AURORA on KLAC, newest first. How the timeline and the estimate are built.

OLD SECOND NATIONAL BANK OF AURORA held 48,348 KLAC shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 48,348 shares
    Change vs previous 13F +42,872 shares

    2.75% of the 13F portfolio, value $14,587,075.

    13F-HR 0000903783-26-000003 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 5,476 shares
    Change vs previous 13F -1,399 shares

    1.67% of the 13F portfolio, value $8,062,917.

    13F-HR 0000903783-26-000002 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 6,875 shares
    Change vs previous 13F -100 shares

    1.67% of the 13F portfolio, value $8,353,675.

    13F-HR 0000903783-26-000001 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 6,975 shares
    Change vs previous 13F -111 shares

    1.55% of the 13F portfolio, value $7,523,235.

    13F-HR 0000903783-25-000003 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 7,086 shares
    Change vs previous 13F -250 shares

    1.39% of the 13F portfolio, value $6,347,213.

    13F-HR 0001964897-25-000005 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 7,336 shares
    Change vs previous 13F -63 shares

    1.17% of the 13F portfolio, value $4,987,013.

    13F-HR 0001964897-25-000003 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 7,399 shares
    Change vs previous 13F +15 shares

    1.06% of the 13F portfolio, value $4,662,258.

    13F-HR 0000903783-25-000001 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 7,384 shares
    Change vs previous 13F not available

    1.38% of the 13F portfolio, value $5,718,243.

    13F-HR 0000903783-24-000006 filed by OLD SECOND NATIONAL BANK OF AURORA
    Filed (acceptance time not in the bulk data set), ingested

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