Skip to content
Disclosery

Westmount Partners, LLC: MASI position timeline

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

Westmount Partners, LLC held 0 MASI shares at 2026-06-30 per its 13F-HR filed 2026-07-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 0 shares
    Change vs previous 13F -24,232 shares

    13F-HR 0002051491-26-000004 filed by Westmount Partners, LLC
    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 24,232 shares
    Change vs previous 13F 0 shares

    1.06% of the 13F portfolio, value $4,310,146.

    13F-HR 0002051491-26-000003 filed by Westmount Partners, 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 24,232 shares
    Change vs previous 13F -1,634 shares

    0.79% of the 13F portfolio, value $3,151,614.

    13F-HR 0002051491-26-000001 filed by Westmount Partners, 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 25,866 shares
    Change vs previous 13F 0 shares

    0.95% of the 13F portfolio, value $3,686,940.

    13F-HR 0002051491-25-000017 filed by Westmount Partners, 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 25,866 shares
    Change vs previous 13F -125 shares

    1.19% of the 13F portfolio, value $4,351,179.

    13F-HR 0002051491-25-000015 filed by Westmount Partners, 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 25,991 shares
    Change vs previous 13F 0 shares

    1.32% of the 13F portfolio, value $4,330,101.

    13F-HR 0002051491-25-000013 filed by Westmount Partners, 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 25,991 shares
    Change vs previous 13F 0 shares

    1.31% of the 13F portfolio, value $4,296,312.

    13F-HR 0002051491-25-000002 filed by Westmount Partners, 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 25,991 shares
    Change vs previous 13F not available

    1.04% of the 13F portfolio, value $3,465,380.

    13F-HR 0002051491-25-000001 filed by Westmount Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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