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Disclosery

HighVista Strategies LLC: MA position timeline

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

HighVista Strategies LLC held 2,384 MA 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 2,384 shares
    Change vs previous 13F -540 shares

    0.28% of the 13F portfolio, value $1,224,422.

    13F-HR 0001172661-26-003470 filed by HighVista Strategies LLC
    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 2,924 shares
    Change vs previous 13F +140 shares

    0.4% of the 13F portfolio, value $1,461,006.

    13F-HR 0001172661-26-002079 filed by HighVista Strategies 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 2,784 shares
    Change vs previous 13F -1,421 shares

    0.41% of the 13F portfolio, value $1,589,330.

    13F-HR 0001172661-26-000882 filed by HighVista Strategies 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 4,205 shares
    Change vs previous 13F +205 shares

    0.59% of the 13F portfolio, value $2,391,846.

    13F-HR 0001172661-25-004799 filed by HighVista Strategies 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 4,000 shares
    Change vs previous 13F +300 shares

    0.83% of the 13F portfolio, value $2,247,760.

    13F-HR 0001172661-25-003309 filed by HighVista Strategies 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 3,700 shares
    Change vs previous 13F not available

    0.78% of the 13F portfolio, value $2,028,044.

    13F-HR 0001172661-25-001991 filed by HighVista Strategies LLC
    Filed (acceptance time not in the bulk data set), ingested

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