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
- period ended2026-06-3013F 420,000 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 610,000 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 430,000 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 475,161 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 355,000 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 282,500 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 520,000 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 545,000 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).