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Senator Investment Group LP: AMZN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Senator Investment Group LP on AMZN, newest first. How the timeline and the estimate are built.

Senator Investment Group LP held 420,000 AMZN shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 420,000 shares
    Change vs previous 13F -190,000 shares

    3.65% of the 13F portfolio, value $100,102,800.

    13F-HR 0001443689-26-000009 filed by Senator Investment Group LP
    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 610,000 shares
    Change vs previous 13F +180,000 shares

    5.83% of the 13F portfolio, value $127,069,100.

    13F-HR 0001443689-26-000006 filed by Senator Investment Group LP
    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 430,000 shares
    Change vs previous 13F -45,161 shares

    3.98% of the 13F portfolio, value $99,252,600.

    13F-HR 0001443689-26-000003 filed by Senator Investment Group LP
    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 475,161 shares
    Change vs previous 13F +120,161 shares

    3.85% of the 13F portfolio, value $104,331,101.

    13F-HR 0001443689-25-000020 filed by Senator Investment Group LP
    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 355,000 shares
    Change vs previous 13F +72,500 shares

    3.01% of the 13F portfolio, value $77,883,450.

    13F-HR 0001443689-25-000014 filed by Senator Investment Group LP
    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 282,500 shares
    Change vs previous 13F -237,500 shares

    2.85% of the 13F portfolio, value $53,748,450.

    13F-HR 0001443689-25-000009 filed by Senator Investment Group LP
    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 520,000 shares
    Change vs previous 13F -25,000 shares

    3.35% of the 13F portfolio, value $114,082,800.

    13F-HR 0001443689-25-000003 filed by Senator Investment Group LP
    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 545,000 shares
    Change vs previous 13F not available

    4.82% of the 13F portfolio, value $101,549,850.

    13F-HR 0001443689-24-000016 filed by Senator Investment Group LP
    Filed (acceptance time not in the bulk data set), ingested

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