SEC 13F Intelligence

Primecap Management Co/Ca/ / ONC

Primecap Management Co/Ca/’s Beone Medicines Ltd Position

Does Primecap Management Co/Ca/ own Beone Medicines Ltd (ONC)? Yes — 4.98M shares worth $1.5B (+1.16% of its 13F portfolio) as of Q1 2026, down from 4.98M shares the prior filed quarter.

Position Value
$1.5B
Q1 2026
Shares
4.98M
% of Portfolio
+1.16%
Quarters Held
30
currently held

Position History ONC

Reported value by quarter
Q4 ’18: $129MQ4 ’18Q1 ’19: $121MQ2 ’19: $115MQ3 ’19: $120MQ4 ’19: $166MQ4 ’19Q1 ’20: $209MQ2 ’20: $331MQ3 ’20: $966MQ4 ’20: $870MQ4 ’20Q1 ’21: $1.4BQ2 ’21: $1.3BQ3 ’21: $1.4BQ4 ’21: $1.0BQ4 ’21Q1 ’22: $699MQ2 ’22: $652MQ3 ’22: $638MQ4 ’22: $1.1BQ4 ’22Q1 ’23: $1.1BQ2 ’23: $894MQ3 ’23: $901MQ4 ’23: $900MQ4 ’23Q1 ’24: $782MQ2 ’24: $711MQ3 ’24: $1.1BQ4 ’24: $942MQ4 ’24Q1 ’25: $1.4BQ2 ’25: $1.2BQ3 ’25: $1.7BQ4 ’25: $1.5BQ4 ’25Q1 ’26: $1.5Bfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 20264.98M$1.5B+1.16%
Q4 20254.98M$1.5B+1.15%
Q3 20255.08M$1.7B+1.33%
Q2 20255.09M$1.2B+0.98%
Q1 20255.06M$1.4B+1.14%
Q4 20245.10M$942M+0.73%
Q3 20244.97M$1.1B+0.82%
Q2 20244.99M$711M+0.52%
Q1 20245.00M$782M+0.58%
Q4 20234.99M$900M+0.71%
Q3 20235.01M$901M+0.76%
Q2 20235.01M$894M+0.75%
Q1 20235.05M$1.1B+0.95%
Q4 20225.05M$1.1B+1.02%
Q3 20224.73M$638M+0.62%
Q2 20224.03M$652M+0.58%
Q1 20223.71M$699M+0.53%
Q4 20213.72M$1.0B+0.70%
Q3 20213.81M$1.4B+0.98%
Q2 20213.86M$1.3B+0.89%
Q1 20213.89M$1.4B+0.94%
Q4 20203.37M$870M+0.65%
Q3 20203.37M$966M+0.80%
Q2 20201.76M$331M+0.28%
Q1 20201.70M$209M+0.21%
Q4 2019998.6K$166M+0.12%
Q3 2019983.2K$120M+0.10%
Q2 2019928.8K$115M+0.09%
Q1 2019920.4K$121M+0.09%
Q4 2018921.5K$129M+0.10%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Primecap Management Co/Ca/’s full portfolio or all institutional holders of ONC.