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Disclosery

Driehaus Capital Management LLC: MWH position timeline

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

Driehaus Capital Management LLC held 2,378,054 MWH 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 2,378,054 shares
    Change vs previous 13F +1,107,548 shares

    0.47% of the 13F portfolio, value $80,972,739.

    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 1,270,506 shares
    Change vs previous 13F not available

    0.28% of the 13F portfolio, value $38,153,295.

    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).