SEC 13F Intelligence

American Century Companies Inc / IDXX

American Century Companies Inc’s Idexx Labs Inc Position

Does American Century Companies Inc own Idexx Labs Inc (IDXX)? Yes — 599.9K shares worth $337M (+0.17% of its 13F portfolio) as of Q1 2026, down from 628.9K shares the prior filed quarter.

Position Value
$337M
Q1 2026
Shares
599.9K
% of Portfolio
+0.17%
Quarters Held
30
currently held

Position History IDXX

Reported value by quarter
Q4 ’18: $131MQ4 ’18Q1 ’19: $332MQ2 ’19: $396MQ3 ’19: $373MQ4 ’19: $288MQ4 ’19Q1 ’20: $267MQ2 ’20: $396MQ3 ’20: $479MQ4 ’20: $548MQ4 ’20Q1 ’21: $543MQ2 ’21: $703MQ3 ’21: $696MQ4 ’21: $709MQ4 ’21Q1 ’22: $779MQ2 ’22: $536MQ3 ’22: $498MQ4 ’22: $616MQ4 ’22Q1 ’23: $518MQ2 ’23: $421MQ3 ’23: $321MQ4 ’23: $226MQ4 ’23Q1 ’24: $208MQ2 ’24: $274MQ3 ’24: $312MQ4 ’24: $335MQ4 ’24Q1 ’25: $365MQ2 ’25: $458MQ3 ’25: $451MQ4 ’25: $425MQ4 ’25Q1 ’26: $337Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 2026599.9K$337M+0.17%
Q4 2025628.9K$425M+0.21%
Q3 2025705.2K$451M+0.23%
Q2 2025853.2K$458M+0.25%
Q1 2025868.0K$365M+0.22%
Q4 2024809.8K$335M+0.19%
Q3 2024618.4K$312M+0.18%
Q2 2024562.8K$274M+0.17%
Q1 2024385.5K$208M+0.13%
Q4 2023406.6K$226M+0.16%
Q3 2023734.7K$321M+0.25%
Q2 2023838.7K$421M+0.32%
Q1 20231.03M$518M+0.41%
Q4 20221.51M$616M+0.50%
Q3 20221.53M$498M+0.44%
Q2 20221.53M$536M+0.44%
Q1 20221.42M$779M+0.53%
Q4 20211.08M$709M+0.45%
Q3 20211.12M$696M+0.48%
Q2 20211.11M$703M+0.48%
Q1 20211.11M$543M+0.40%
Q4 20201.10M$548M+0.43%
Q3 20201.22M$479M+0.42%
Q2 20201.20M$396M+0.38%
Q1 20201.10M$267M+0.32%
Q4 20191.10M$288M+0.27%
Q3 20191.37M$373M+0.37%
Q2 20191.44M$396M+0.39%
Q1 20191.48M$332M+0.34%
Q4 2018702.2K$131M+0.15%

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 IDXX.