Senator Investment Group LP: DHR position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Senator Investment Group LP on DHR, newest first. How the timeline and the estimate are built.
Senator Investment Group LP held 340,881 DHR shares at 2026-06-30 per its 13F-HR filed 2026-08-12.
the latest 13F is the newest step
- period ended2026-06-3013F 340,881 sharesChange vs previous 13F -92,435 shares
2.37% of the 13F portfolio, value $64,931,013.
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 433,316 sharesChange vs previous 13F +263,900 shares
3.77% of the 13F portfolio, value $82,156,714.
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 169,416 sharesChange vs previous 13F +169,416 shares
1.55% of the 13F portfolio, value $38,782,711.
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 ended2025-06-3013F 0 sharesChange vs previous 13F -200,000 shares
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).
Exited: the 13F for this period no longer lists the position.
- period ended2025-03-3113F 200,000 sharesChange vs previous 13F not available
2.18% of the 13F portfolio, value $41,000,000.
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).