Rock Springs Capital Management LP: TARS position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Rock Springs Capital Management LP on TARS, newest first. How the timeline and the estimate are built.
Rock Springs Capital Management LP held 277,087 TARS shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 277,087 sharesChange vs previous 13F +51,908 shares
0.85% of the 13F portfolio, value $17,439,856.
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 225,179 sharesChange vs previous 13F -35,165 shares
0.93% of the 13F portfolio, value $15,796,307.
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 260,344 sharesChange vs previous 13F -28,000 shares
1.09% of the 13F portfolio, value $21,316,967.
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 288,344 sharesChange vs previous 13F -85,406 shares
1% of the 13F portfolio, value $17,136,284.
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 373,750 sharesChange vs previous 13F +19,374 shares
0.94% of the 13F portfolio, value $15,140,613.
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 354,376 sharesChange vs previous 13F +243,487 shares
1.04% of the 13F portfolio, value $18,204,295.
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 110,889 sharesChange vs previous 13F not available
0.23% of the 13F portfolio, value $6,139,924.
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).