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NEXT CENTURY GROWTH INVESTORS LLC: MIRM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of NEXT CENTURY GROWTH INVESTORS LLC on MIRM, newest first. How the timeline and the estimate are built.

NEXT CENTURY GROWTH INVESTORS LLC held 420,213 MIRM 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 420,213 shares
    Change vs previous 13F +34,674 shares

    2.61% of the 13F portfolio, value $49,194,335.

    13F-HR 0001134007-26-000006 filed by NEXT CENTURY GROWTH INVESTORS 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 385,539 shares
    Change vs previous 13F +17,504 shares

    2.58% of the 13F portfolio, value $35,616,092.

    13F-HR 0001134007-26-000003 filed by NEXT CENTURY GROWTH INVESTORS 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 368,035 shares
    Change vs previous 13F +7,101 shares

    2.02% of the 13F portfolio, value $29,071,084.

    13F-HR 0001134007-26-000002 filed by NEXT CENTURY GROWTH INVESTORS 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 360,934 shares
    Change vs previous 13F +170,609 shares

    1.93% of the 13F portfolio, value $26,460,071.

    13F-HR 0001134007-25-000012 filed by NEXT CENTURY GROWTH INVESTORS 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 190,325 shares
    Change vs previous 13F -5,016 shares

    0.75% of the 13F portfolio, value $9,685,639.

    13F-HR 0001134007-25-000009 filed by NEXT CENTURY GROWTH INVESTORS 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 195,341 shares
    Change vs previous 13F +31,089 shares

    0.78% of the 13F portfolio, value $8,800,112.

    13F-HR 0001134007-25-000007 filed by NEXT CENTURY GROWTH INVESTORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 164,252 shares
    Change vs previous 13F -119 shares

    0.51% of the 13F portfolio, value $6,791,820.

    13F-HR 0001134007-25-000002 filed by NEXT CENTURY GROWTH INVESTORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 164,371 shares
    Change vs previous 13F not available

    0.52% of the 13F portfolio, value $6,410,469.

    13F-HR 0001134007-24-000008 filed by NEXT CENTURY GROWTH INVESTORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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