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Mainstream Capital Management LLC: BA position timeline

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

Mainstream Capital Management LLC held 1,939 BA 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 1,939 shares
    Change vs previous 13F +21 shares

    0.25% of the 13F portfolio, value $419,735.

    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 1,918 shares
    Change vs previous 13F +40 shares

    0.26% of the 13F portfolio, value $381,740.

    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 1,878 shares
    Change vs previous 13F -80 shares

    0.27% of the 13F portfolio, value $407,751.

    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 1,958 shares
    Change vs previous 13F +563 shares

    0.28% of the 13F portfolio, value $422,595.

    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 1,395 shares
    Change vs previous 13F -197 shares

    0.21% of the 13F portfolio, value $292,294.

    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 1,592 shares
    Change vs previous 13F +228 shares

    0.22% of the 13F portfolio, value $271,516.

    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 1,364 shares
    Change vs previous 13F -738 shares

    0.17% of the 13F portfolio, value $241,428.

    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 2,102 shares
    Change vs previous 13F not available

    0.27% of the 13F portfolio, value $319,588.

    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).