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Stephens Investment Management Group LLC: MGNI position timeline

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

Stephens Investment Management Group LLC held 71,210 MGNI shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 71,210 shares
    Change vs previous 13F -14,327 shares

    0.02% of the 13F portfolio, value $1,351,566.

    13F-HR 0000757657-26-000017 filed by STEPHENS INC /AR/
    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 85,537 shares
    Change vs previous 13F -1,130,453 shares

    0.01% of the 13F portfolio, value $1,016,180.

    13F-HR 0000757657-26-000013 filed by STEPHENS INC /AR/
    Filed (acceptance time not in the bulk data set), ingested

    • STEPHENS INC /AR/: 85,537 shares
    • Stephens Investment Management Group LLC: 0 shares

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

  3. period ended2025-12-31
    13F 1,215,990 shares
    Change vs previous 13F +167,979 shares

    0.13% of the 13F portfolio, value $19,735,518.

    13F-HR 0001314440-26-000003 filed by Stephens Investment Management Group LLC
    Filed (acceptance time not in the bulk data set), ingested

    • STEPHENS INC /AR/: 87,412 shares
    • Stephens Investment Management Group LLC: 1,128,578 shares

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

  4. period ended2025-09-30
    13F 1,048,011 shares
    Change vs previous 13F -385,036 shares

    0.15% of the 13F portfolio, value $22,825,680.

    13F-HR 0001314440-25-000016 filed by Stephens Investment Management Group LLC
    Filed (acceptance time not in the bulk data set), ingested

    • STEPHENS INC /AR/: 83,468 shares
    • Stephens Investment Management Group LLC: 964,543 shares

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

  5. period ended2025-06-30
    13F 1,433,047 shares
    Change vs previous 13F +413,519 shares

    0.23% of the 13F portfolio, value $34,565,094.

    13F-HR 0001314440-25-000010 filed by Stephens Investment Management Group LLC
    Filed (acceptance time not in the bulk data set), ingested

    • STEPHENS INC /AR/: 82,951 shares
    • Stephens Investment Management Group LLC: 1,350,096 shares

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

  6. period ended2025-03-31
    13F 1,019,528 shares
    Change vs previous 13F -46,488 shares

    0.08% of the 13F portfolio, value $11,632,815.

    13F-HR 0001314440-25-000006 filed by Stephens Investment Management Group LLC
    Filed (acceptance time not in the bulk data set), ingested

    • STEPHENS INC /AR/: 68,872 shares
    • Stephens Investment Management Group LLC: 950,656 shares

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

  7. period ended2024-12-31
    13F 1,066,016 shares
    Change vs previous 13F +592,713 shares

    0.12% of the 13F portfolio, value $16,970,974.

    13F-HR 0001314440-25-000003 filed by Stephens Investment Management Group LLC
    Filed (acceptance time not in the bulk data set), ingested

    • STEPHENS INC /AR/: 69,372 shares
    • Stephens Investment Management Group LLC: 996,644 shares

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

  8. period ended2024-09-30
    13F 473,303 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $6,555,246.

    13F-HR 0001314440-24-000018 filed by Stephens Investment Management Group LLC
    Filed (acceptance time not in the bulk data set), ingested

    • STEPHENS INC /AR/: 69,512 shares
    • Stephens Investment Management Group LLC: 403,791 shares

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