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Disclosery

Baron Capital: MASI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Baron Capital on MASI, newest first. How the timeline and the estimate are built.

Baron Capital held 0 MASI shares at 2026-03-31 per its 13F-HR filed 2026-05-15.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -373,899 shares

    13F-HR 0001017918-26-000043 filed by BAMCO INC /NY/
    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 ended2025-12-31
    13F 373,899 shares
    Change vs previous 13F -14,848 shares

    0.13% of the 13F portfolio, value $48,629,304.

    13F-HR 0001017918-26-000015 filed by BAMCO INC /NY/
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 388,747 shares
    Change vs previous 13F +4,158 shares

    0.15% of the 13F portfolio, value $57,359,620.

    13F-HR 0001017918-25-000059 filed by BAMCO INC /NY/
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 384,589 shares
    Change vs previous 13F +67,307 shares

    0.18% of the 13F portfolio, value $64,695,562.

    13F-HR 0001017918-25-000041 filed by BAMCO INC /NY/
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 317,282 shares
    Change vs previous 13F +10,138 shares

    0.16% of the 13F portfolio, value $52,859,181.

    13F-HR 0001017918-25-000031 filed by BAMCO INC /NY/
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 307,144 shares
    Change vs previous 13F -40,056 shares

    0.13% of the 13F portfolio, value $50,770,903.

    13F-HR 0001017918-25-000019 filed by BAMCO INC /NY/
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 347,200 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $46,292,176.

    13F-HR 0001017918-24-000083 filed by BAMCO INC /NY/
    Filed (acceptance time not in the bulk data set), ingested

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