SEC 13F Intelligence

Rock Springs Capital Management LP / AMGN

Rock Springs Capital Management LP’s Amgen Inc Position

Does Rock Springs Capital Management LP own Amgen Inc (AMGN)? Not currently — the last reported position was 74.5K shares worth $21M in Q4 2023; the fund’s latest 13F (Q1 2026) no longer reports it.

Position Value
$21M
Q4 2023
Shares
74.5K
% of Portfolio
+0.53%
Quarters Held
6
position exited

Position History AMGN

Reported value by quarter
Q3 ’19: $24MQ3 ’19Q4 ’19: $30MQ4 ’19Q1 ’20: $26MQ1 ’20Q2 ’20: $30MQ2 ’20Q3 ’23: $18MQ3 ’23Q4 ’23: $21MQ4 ’23filingsflow.com
QuarterSharesValue% of Portfolio
Q4 202374.5K$21M+0.53%
Q3 202368.0K$18M+0.49%
Q2 2020126.0K$30M+0.82%
Q1 2020126.0K$26M+1.06%
Q4 2019126.0K$30M+0.96%
Q3 2019126.0K$24M+0.97%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Rock Springs Capital Management LP’s full portfolio or all institutional holders of AMGN.