SEC 13F Intelligence

American Century Companies Inc / REGN

American Century Companies Inc’s Regeneron Pharmaceuticals Position

Does American Century Companies Inc own Regeneron Pharmaceuticals (REGN)? Yes — 562.1K shares worth $434M (+0.22% of its 13F portfolio) as of Q1 2026, up from 551.5K shares the prior filed quarter.

Position Value
$434M
Q1 2026
Shares
562.1K
% of Portfolio
+0.22%
Quarters Held
30
currently held

Position History REGN

Reported value by quarter
Q4 ’18: $375MQ4 ’18Q1 ’19: $427MQ2 ’19: $323MQ3 ’19: $262MQ4 ’19: $379MQ4 ’19Q1 ’20: $475MQ2 ’20: $560MQ3 ’20: $520MQ4 ’20: $447MQ4 ’20Q1 ’21: $523MQ2 ’21: $645MQ3 ’21: $711MQ4 ’21: $673MQ4 ’21Q1 ’22: $770MQ2 ’22: $696MQ3 ’22: $812MQ4 ’22: $795MQ4 ’22Q1 ’23: $783MQ2 ’23: $637MQ3 ’23: $754MQ4 ’23: $818MQ4 ’23Q1 ’24: $849MQ2 ’24: $868MQ3 ’24: $776MQ4 ’24: $504MQ4 ’24Q1 ’25: $458MQ2 ’25: $334MQ3 ’25: $371MQ4 ’25: $426MQ4 ’25Q1 ’26: $434Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 2026562.1K$434M+0.22%
Q4 2025551.5K$426M+0.21%
Q3 2025660.6K$371M+0.19%
Q2 2025636.7K$334M+0.18%
Q1 2025722.5K$458M+0.28%
Q4 2024707.5K$504M+0.29%
Q3 2024738.5K$776M+0.45%
Q2 2024825.8K$868M+0.53%
Q1 2024881.9K$849M+0.53%
Q4 2023931.3K$818M+0.56%
Q3 2023916.7K$754M+0.58%
Q2 2023886.7K$637M+0.48%
Q1 2023961.7K$783M+0.62%
Q4 20221.10M$795M+0.65%
Q3 20221.18M$812M+0.71%
Q2 20221.18M$696M+0.57%
Q1 20221.10M$770M+0.53%
Q4 20211.06M$673M+0.43%
Q3 20211.17M$711M+0.49%
Q2 20211.16M$645M+0.44%
Q1 20211.10M$523M+0.38%
Q4 2020926.0K$447M+0.35%
Q3 2020929.8K$520M+0.46%
Q2 2020898.5K$560M+0.53%
Q1 2020972.8K$475M+0.57%
Q4 20191.01M$379M+0.36%
Q3 2019943.9K$262M+0.26%
Q2 20191.03M$323M+0.32%
Q1 20191.04M$427M+0.43%
Q4 20181.00M$375M+0.43%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See American Century Companies Inc’s full portfolio or all institutional holders of REGN.