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Parallax Volatility Advisers, L.P.: MGNI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Parallax Volatility Advisers, L.P. on MGNI, newest first. How the timeline and the estimate are built.

Parallax Volatility Advisers, L.P. held 16,743 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 16,743 shares
    Change vs previous 13F +3,610 shares

    0.01% of the 13F portfolio, value $317,782.

    13F-HR 0001172661-26-003723 filed by Parallax Volatility Advisers, L.P.
    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 13,133 shares
    Change vs previous 13F -41,525 shares

    0.01% of the 13F portfolio, value $156,020.

    13F-HR 0001172661-26-002271 filed by Parallax Volatility Advisers, L.P.
    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 54,658 shares
    Change vs previous 13F -76,025 shares

    0.03% of the 13F portfolio, value $887,099.

    13F-HR 0001172661-26-001067 filed by Parallax Volatility Advisers, L.P.
    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 130,683 shares
    Change vs previous 13F -45,130 shares

    0.08% of the 13F portfolio, value $2,846,276.

    13F-HR 0001172661-25-005017 filed by Parallax Volatility Advisers, L.P.
    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 175,813 shares
    Change vs previous 13F -93,170 shares

    0.17% of the 13F portfolio, value $4,240,610.

    13F-HR 0001172661-25-003451 filed by Parallax Volatility Advisers, L.P.
    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 268,983 shares
    Change vs previous 13F +51,017 shares

    0.1% of the 13F portfolio, value $3,069,096.

    13F-HR 0001172661-25-002304 filed by Parallax Volatility Advisers, L.P.
    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 217,966 shares
    Change vs previous 13F -142,009 shares

    0.08% of the 13F portfolio, value $3,470,019.

    13F-HR 0001172661-25-001026 filed by Parallax Volatility Advisers, L.P.
    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 359,975 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $4,985,654.

    13F-HR 0001172661-24-004876 filed by Parallax Volatility Advisers, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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