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Mainstream Capital Management LLC: BABA position timeline

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

Mainstream Capital Management LLC held 8,625 BABA 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 8,625 shares
    Change vs previous 13F +28 shares

    0.5% of the 13F portfolio, value $827,828.

    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 8,597 shares
    Change vs previous 13F +93 shares

    0.72% of the 13F portfolio, value $1,078,580.

    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 8,504 shares
    Change vs previous 13F +449 shares

    0.82% of the 13F portfolio, value $1,246,516.

    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 8,055 shares
    Change vs previous 13F +113 shares

    0.96% of the 13F portfolio, value $1,439,670.

    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 7,942 shares
    Change vs previous 13F +1,055 shares

    0.65% of the 13F portfolio, value $900,702.

    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 6,887 shares
    Change vs previous 13F -194 shares

    0.72% of the 13F portfolio, value $910,668.

    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 7,081 shares
    Change vs previous 13F not available

    0.42% of the 13F portfolio, value $600,398.

    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).