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Disclosery

OPPENHEIMER ASSET MANAGEMENT INC.: MASI position timeline

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

OPPENHEIMER ASSET MANAGEMENT INC. held 0 MASI shares at 2026-03-31 per its 13F-HR filed 2026-04-24.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -2,503 shares

    13F-HR 0001085146-26-000369 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    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 2,503 shares
    Change vs previous 13F -294 shares

    <0.01% of the 13F portfolio, value $325,540.

    13F-HR 0001085146-26-000133 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    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 2,797 shares
    Change vs previous 13F +1,064 shares

    <0.01% of the 13F portfolio, value $412,697.

    13F-HR 0001085146-25-005973 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    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 1,733 shares
    Change vs previous 13F -1,583 shares

    <0.01% of the 13F portfolio, value $291,525.

    13F-HR 0001085146-25-004405 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    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 3,316 shares
    Change vs previous 13F -1,252 shares

    0.01% of the 13F portfolio, value $552,446.

    13F-HR 0001085146-25-002235 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    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 4,568 shares
    Change vs previous 13F +984 shares

    0.01% of the 13F portfolio, value $755,090.

    13F-HR 0001085146-25-000777 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    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 3,584 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $477,855.

    13F-HR 0001085146-24-005361 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

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