SEC 13F Intelligence

Primecap Management Co/Ca/ / AZNN

Primecap Management Co/Ca/’s Astrazeneca PLC Position

Does Primecap Management Co/Ca/ own Astrazeneca PLC (AZNN)? Not currently — the last reported position was 36.92M shares worth $3.4B in Q4 2025; the fund’s latest 13F (Q1 2026) no longer reports it.

Position Value
$3.4B
Q4 2025
Shares
36.92M
% of Portfolio
+2.57%
Quarters Held
29
position exited

Position History AZNN

Reported value by quarter
Q4 ’18: $2.1BQ4 ’18Q1 ’19: $2.3BQ2 ’19: $2.4BQ3 ’19: $2.6BQ4 ’19: $2.9BQ4 ’19Q1 ’20: $2.5BQ2 ’20: $2.8BQ3 ’20: $2.8BQ4 ’20: $2.5BQ4 ’20Q1 ’21: $2.5BQ2 ’21: $2.9BQ3 ’21: $2.9BQ4 ’21: $2.7BQ4 ’21Q1 ’22: $3.1BQ2 ’22: $3.0BQ3 ’22: $2.5BQ4 ’22: $3.1BQ4 ’22Q1 ’23: $3.2BQ2 ’23: $3.2BQ3 ’23: $3.0BQ4 ’23: $2.9BQ4 ’23Q1 ’24: $2.9BQ2 ’24: $3.3BQ3 ’24: $3.3BQ4 ’24: $2.7BQ4 ’24Q1 ’25: $3.0BQ2 ’25: $2.9BQ3 ’25: $3.1BQ4 ’25: $3.4BQ4 ’25filingsflow.com
QuarterSharesValue% of Portfolio
Q4 202536.92M$3.4B+2.57%
Q3 202539.86M$3.1B+2.34%
Q2 202541.20M$2.9B+2.28%
Q1 202540.66M$3.0B+2.47%
Q4 202441.02M$2.7B+2.08%
Q3 202441.98M$3.3B+2.40%
Q2 202442.60M$3.3B+2.41%
Q1 202442.95M$2.9B+2.17%
Q4 202342.99M$2.9B+2.29%
Q3 202343.89M$3.0B+2.51%
Q2 202344.08M$3.2B+2.64%
Q1 202345.39M$3.2B+2.75%
Q4 202244.99M$3.1B+2.79%
Q3 202245.61M$2.5B+2.42%
Q2 202245.81M$3.0B+2.71%
Q1 202246.32M$3.1B+2.32%
Q4 202146.69M$2.7B+1.88%
Q3 202148.27M$2.9B+2.05%
Q2 202148.70M$2.9B+1.96%
Q1 202149.91M$2.5B+1.73%
Q4 202050.11M$2.5B+1.86%
Q3 202051.50M$2.8B+2.33%
Q2 202053.66M$2.8B+2.44%
Q1 202056.64M$2.5B+2.48%
Q4 201958.78M$2.9B+2.13%
Q3 201958.83M$2.6B+2.10%
Q2 201958.04M$2.4B+1.77%
Q1 201956.34M$2.3B+1.68%
Q4 201856.15M$2.1B+1.73%

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 AZNN.