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JANE STREET GROUP, LLC: MGNI position timeline

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

JANE STREET GROUP, LLC held 2,199,191 MGNI 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 2,199,191 shares
    Change vs previous 13F +531,031 shares

    0.03% of the 13F portfolio, value $41,740,645.

    13F-HR 0001595888-26-000108 filed by JANE STREET GROUP, 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 1,668,160 shares
    Change vs previous 13F +1,287,907 shares

    0.02% of the 13F portfolio, value $19,817,740.

    13F-HR 0001595888-26-000043 filed by JANE STREET GROUP, 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 380,253 shares
    Change vs previous 13F -710,370 shares

    0.01% of the 13F portfolio, value $6,171,507.

    13F-HR 0001595888-26-000023 filed by JANE STREET GROUP, 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 1,090,623 shares
    Change vs previous 13F +806,333 shares

    0.03% of the 13F portfolio, value $23,753,769.

    13F-HR 0001595888-25-000155 filed by JANE STREET GROUP, 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 284,290 shares
    Change vs previous 13F +17,554 shares

    0.01% of the 13F portfolio, value $6,857,074.

    13F-HR 0001595888-25-000117 filed by JANE STREET GROUP, 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/A 266,736 shares
    Change vs previous 13F +255,128 shares

    0.01% of the 13F portfolio, value $3,043,457.

    13F-HR/A 0001595888-25-000100 filed by JANE STREET GROUP, 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 11,608 shares
    Change vs previous 13F -836,596 shares

    <0.01% of the 13F portfolio, value $184,800.

    13F-HR 0001595888-25-000068 filed by JANE STREET GROUP, 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 848,204 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $11,747,625.

    13F-HR 0001595888-24-000063 filed by JANE STREET GROUP, LLC
    Filed (acceptance time not in the bulk data set), ingested

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