SEC 13F Intelligence

Rock Springs Capital Management LP / ONC

Rock Springs Capital Management LP’s Beone Medicines Ltd Position

Does Rock Springs Capital Management LP own Beone Medicines Ltd (ONC)? Not currently — the last reported position was 200.0K shares worth $69M in Q2 2021; the fund’s latest 13F (Q1 2026) no longer reports it.

Position Value
$69M
Q2 2021
Shares
200.0K
% of Portfolio
+1.36%
Quarters Held
11
position exited

Position History ONC

Reported value by quarter
Q4 ’18: $30MQ4 ’18Q1 ’19: $28MQ2 ’19: $27MQ2 ’19Q3 ’19: $26MQ4 ’19: $36MQ4 ’19Q1 ’20: $26MQ2 ’20: $41MQ2 ’20Q3 ’20: $62MQ4 ’20: $58MQ4 ’20Q1 ’21: $70MQ2 ’21: $69MQ2 ’21filingsflow.com
QuarterSharesValue% of Portfolio
Q2 2021200.0K$69M+1.36%
Q1 2021200.0K$70M+1.52%
Q4 2020225.0K$58M+1.23%
Q3 2020215.0K$62M+1.56%
Q2 2020215.0K$41M+1.11%
Q1 2020214.8K$26M+1.09%
Q4 2019214.8K$36M+1.12%
Q3 2019214.8K$26M+1.05%
Q2 2019214.8K$27M+0.96%
Q1 2019214.8K$28M+1.09%
Q4 2018214.8K$30M+1.42%

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 ONC.