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Optimist Retirement Group LLC: RBRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Optimist Retirement Group LLC on RBRK, newest first. How the timeline and the estimate are built.

Optimist Retirement Group LLC held 6,724 RBRK shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 6,724 shares
    Change vs previous 13F +345 shares

    0.21% of the 13F portfolio, value $539,803.

    13F-HR 0002011850-26-000003 filed by Optimist Retirement Group 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 6,379 shares
    Change vs previous 13F +3,407 shares

    0.14% of the 13F portfolio, value $312,380.

    13F-HR 0002011850-26-000002 filed by Optimist Retirement Group 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 2,972 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $227,299.

    13F-HR 0002011850-26-000001 filed by Optimist Retirement Group LLC
    Filed (acceptance time not in the bulk data set), ingested

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