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Mainstream Capital Management LLC: GOOG position timeline

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

Mainstream Capital Management LLC held 20,215 GOOG shares at 2026-06-30 per its 13F-HR filed 2026-07-15.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 20,215 shares
    Change vs previous 13F -23 shares

    4.3% of the 13F portfolio, value $7,142,566.

    13F-HR 0002043084-26-000003 filed by Mainstream Capital Management 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 20,238 shares
    Change vs previous 13F +75 shares

    3.89% of the 13F portfolio, value $5,805,473.

    13F-HR 0002043084-26-000002 filed by Mainstream Capital Management 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 20,163 shares
    Change vs previous 13F -417 shares

    4.14% of the 13F portfolio, value $6,327,149.

    13F-HR 0002043084-26-000001 filed by Mainstream Capital Management 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 20,580 shares
    Change vs previous 13F -12 shares

    3.33% of the 13F portfolio, value $5,012,259.

    13F-HR 0002043084-25-000006 filed by Mainstream Capital Management 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 20,592 shares
    Change vs previous 13F -291 shares

    2.66% of the 13F portfolio, value $3,652,815.

    13F-HR 0002043084-25-000004 filed by Mainstream Capital Management 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 20,883 shares
    Change vs previous 13F +260 shares

    2.58% of the 13F portfolio, value $3,262,551.

    13F-HR 0002043084-25-000002 filed by Mainstream Capital Management 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 20,623 shares
    Change vs previous 13F +166 shares

    2.75% of the 13F portfolio, value $3,927,444.

    13F-HR 0002043084-25-000001 filed by Mainstream Capital Management 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 20,457 shares
    Change vs previous 13F not available

    2.91% of the 13F portfolio, value $3,420,206.

    13F-HR 0002043084-24-000002 filed by Mainstream Capital Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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