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Mainstream Capital Management LLC: MSFT position timeline

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

Mainstream Capital Management LLC held 5,398 MSFT 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 5,398 shares
    Change vs previous 13F +5 shares

    1.21% of the 13F portfolio, value $2,013,562.

    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 5,393 shares
    Change vs previous 13F +84 shares

    1.34% of the 13F portfolio, value $1,996,327.

    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 5,309 shares
    Change vs previous 13F -42 shares

    1.68% of the 13F portfolio, value $2,567,539.

    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 5,351 shares
    Change vs previous 13F +54 shares

    1.84% of the 13F portfolio, value $2,771,550.

    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 5,297 shares
    Change vs previous 13F -56 shares

    1.92% of the 13F portfolio, value $2,634,781.

    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 5,353 shares
    Change vs previous 13F +217 shares

    1.59% of the 13F portfolio, value $2,009,463.

    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 5,136 shares
    Change vs previous 13F +30 shares

    1.52% of the 13F portfolio, value $2,164,824.

    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 5,106 shares
    Change vs previous 13F not available

    1.87% of the 13F portfolio, value $2,197,112.

    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).