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Disclosery

Main Street Research LLC: CSCO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Main Street Research LLC on CSCO, newest first. How the timeline and the estimate are built.

Main Street Research LLC held 9,682 CSCO shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 9,682 shares
    Change vs previous 13F -375 shares

    0.05% of the 13F portfolio, value $1,137,194.

    13F-HR 0001420506-26-001335 filed by Main Street Research 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 10,057 shares
    Change vs previous 13F +373 shares

    0.05% of the 13F portfolio, value $780,287.

    13F-HR 0001420506-26-000773 filed by Main Street Research 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 9,684 shares
    Change vs previous 13F -788 shares

    0.04% of the 13F portfolio, value $745,952.

    13F-HR 0001420506-26-000210 filed by Main Street Research 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 10,472 shares
    Change vs previous 13F -105 shares

    0.04% of the 13F portfolio, value $716,488.

    13F-HR 0001420506-25-003188 filed by Main Street Research 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 10,577 shares
    Change vs previous 13F -519,719 shares

    0.05% of the 13F portfolio, value $733,801.

    13F-HR 0001420506-25-001710 filed by Main Street Research 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 530,296 shares
    Change vs previous 13F +519,298 shares

    2.14% of the 13F portfolio, value $32,724,538.

    13F-HR 0001420506-25-000840 filed by Main Street Research 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 10,998 shares
    Change vs previous 13F +929 shares

    0.04% of the 13F portfolio, value $651,097.

    13F-HR 0001420506-25-000201 filed by Main Street Research 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 10,069 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $535,848.

    13F-HR 0001941040-24-000499 filed by Main Street Research LLC
    Filed (acceptance time not in the bulk data set), ingested

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