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TUDOR INVESTMENT CORP ET AL: MASI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TUDOR INVESTMENT CORP ET AL on MASI, newest first. How the timeline and the estimate are built.

TUDOR INVESTMENT CORP ET AL held 0 MASI 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 0 shares
    Change vs previous 13F -143,884 shares

    13F-HR 0000902664-26-003485 filed by TUDOR INVESTMENT CORP ET AL
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2026-03-31
    13F 143,884 shares
    Change vs previous 13F +127,642 shares

    0.14% of the 13F portfolio, value $25,592,647.

    13F-HR 0000902664-26-002516 filed by TUDOR INVESTMENT CORP ET AL
    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 16,242 shares
    Change vs previous 13F -15,399 shares

    0.01% of the 13F portfolio, value $2,112,435.

    13F-HR 0000902664-26-001113 filed by TUDOR INVESTMENT CORP ET AL
    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/A 31,641 shares
    Change vs previous 13F +31,641 shares

    0.03% of the 13F portfolio, value $4,668,630.

    13F-HR/A 0000902664-25-005239 filed by TUDOR INVESTMENT CORP ET AL
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-12-31
    13F 0 shares
    Change vs previous 13F -1,965 shares

    13F-HR 0000902664-25-001008 filed by TUDOR INVESTMENT CORP ET AL
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  6. period ended2024-09-30
    13F 1,965 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $261,993.

    13F-HR 0000902664-24-006581 filed by TUDOR INVESTMENT CORP ET AL
    Filed (acceptance time not in the bulk data set), ingested

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