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Disclosery

Driehaus Capital Management LLC: ARCB position timeline

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

Driehaus Capital Management LLC held 202,589 ARCB 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 202,589 shares
    Change vs previous 13F -7,754 shares

    0.17% of the 13F portfolio, value $29,079,625.

    13F-HR 0000938206-26-000048 filed by Driehaus 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 210,343 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $20,689,337.

    13F-HR 0000938206-26-000031 filed by Driehaus Capital Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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