Rock Springs Capital Management LP: PHR position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Rock Springs Capital Management LP on PHR, newest first. How the timeline and the estimate are built.
Rock Springs Capital Management LP held 696,900 PHR shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 696,900 sharesChange vs previous 13F +96,500 shares
0.35% of the 13F portfolio, value $7,171,101.
13F-HR 0001172661-26-003527 filed by Rock Springs Capital Management 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 600,400 sharesChange vs previous 13F -276,200 shares
0.3% of the 13F portfolio, value $5,031,352.
13F-HR 0001172661-26-002225 filed by Rock Springs Capital Management 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 876,600 sharesChange vs previous 13F +127,484 shares
0.76% of the 13F portfolio, value $14,832,072.
13F-HR 0001172661-26-000917 filed by Rock Springs Capital Management 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 749,116 sharesChange vs previous 13F -88,184 shares
1.03% of the 13F portfolio, value $17,619,208.
13F-HR 0001172661-25-004882 filed by Rock Springs Capital Management 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 837,300 sharesChange vs previous 13F -311,036 shares
1.48% of the 13F portfolio, value $23,829,558.
13F-HR 0001172661-25-003273 filed by Rock Springs Capital Management 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 1,148,336 sharesChange vs previous 13F -891,664 shares
1.68% of the 13F portfolio, value $29,351,468.
13F-HR 0001172661-25-001953 filed by Rock Springs Capital Management 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 2,040,000 sharesChange vs previous 13F -242,500 shares
1.95% of the 13F portfolio, value $51,326,400.
13F-HR 0001172661-25-000867 filed by Rock Springs Capital Management 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 2,282,500 sharesChange vs previous 13F not available
1.69% of the 13F portfolio, value $52,018,175.
13F-HR 0001172661-24-004721 filed by Rock Springs Capital Management LP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).