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PRELUDE CAPITAL MANAGEMENT, LLC: RBRK position timeline

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

PRELUDE CAPITAL MANAGEMENT, LLC held 4,357 RBRK shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,357 shares
    Change vs previous 13F -2,942 shares

    0.03% of the 13F portfolio, value $349,780.

    13F-HR 0000945621-26-001059 filed by PRELUDE 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 7,299 shares
    Change vs previous 13F -6,593 shares

    0.03% of the 13F portfolio, value $357,432.

    13F-HR 0000945621-26-000717 filed by PRELUDE 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 13,892 shares
    Change vs previous 13F +1,329 shares

    0.08% of the 13F portfolio, value $1,062,460.

    13F-HR 0000945621-26-000327 filed by PRELUDE 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 12,563 shares
    Change vs previous 13F +3,136 shares

    0.08% of the 13F portfolio, value $1,033,307.

    13F-HR 0000945621-25-001135 filed by PRELUDE 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 9,427 shares
    Change vs previous 13F +9,427 shares

    0.08% of the 13F portfolio, value $844,565.

    13F-HR 0000945621-25-000769 filed by PRELUDE 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 0 shares
    Change vs previous 13F -5,000 shares

    13F-HR 0000945621-25-000489 filed by PRELUDE 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.

  7. period ended2024-12-31
    13F 5,000 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $326,800.

    13F-HR 0000945621-25-000189 filed by PRELUDE CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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