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Disclosery

Mainstream Capital Management LLC: IBB position timeline

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

Mainstream Capital Management LLC held 1,076 IBB 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 1,076 shares
    Change vs previous 13F +1,076 shares

    0.12% of the 13F portfolio, value $204,644.

    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 ended2025-03-31
    13F 0 shares
    Change vs previous 13F -1,132 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  3. period ended2024-12-31
    13F 1,132 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $149,662.

    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).