Mairs & Power Inc’s Idexx Laboratories IDXX Stock Holding History

Mairs & Power Inc’s Portfolio IDXX Stock Details IDXX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.09M	Hold	2,080	–	–	0.01%	154
2026 Q1	$1.17M	Sell	2,080 -51	-2%	-$32.7K	0.01%	141
2025 Q4	$1.44M	Sell	2,131 -13	-0.6%	-$8.85K	0.01%	134
2025 Q3	$1.37M	Sell	2,144 -80	-4%	-$48.6K	0.01%	132
2025 Q2	$1.19M	Sell	2,224 -82	-4%	-$39.2K	0.01%	134
2025 Q1	$968K	Sell	2,306 -96	-4%	-$41.7K	0.01%	140
2024 Q4	$993K	Sell	2,402 -100	-4%	-$43.9K	0.01%	137
2024 Q3	$1.26M	Hold	2,502	–	–	0.01%	131
2024 Q2	$1.22M	Sell	2,502 -80	-3%	-$40.2K	0.01%	129
2024 Q1	$1.39M	Sell	2,582 -195	-7%	-$107K	0.01%	132
2023 Q4	$1.54M	Sell	2,777 -51	-2%	-$23.9K	0.02%	130
2023 Q3	$1.24M	Hold	2,828	–	–	0.01%	130
2023 Q2	$1.42M	Hold	2,828	–	–	0.02%	129
2023 Q1	$1.41M	Sell	2,828 -267	-9%	-$128K	0.02%	128
2022 Q4	$1.26M	Sell	3,095 -408	-12%	-$158K	0.02%	132
2022 Q3	$1.14M	Sell	3,503 -94	-3%	-$34.5K	0.01%	130
2022 Q2	$1.26M	Buy	3,597 +79	+2%	+$32.2K	0.02%	125
2022 Q1	$1.93M	Buy	3,518 +128	+4%	+$67.3K	0.02%	121
2021 Q4	$2.23M	Sell	3,390 -14	-0.4%	-$8.79K	0.02%	115
2021 Q3	$2.12M	Hold	3,404	–	–	0.02%	115
2021 Q2	$2.15M	Hold	3,404	–	–	0.02%	113
2021 Q1	$1.67M	Hold	3,404	–	–	0.02%	120
2020 Q4	$1.7M	Sell	3,404 -13	-0.4%	-$5.82K	0.02%	121
2020 Q3	$1.34M	Sell	3,417 -3	-0.1%	-$1.11K	0.02%	124
2020 Q2	$1.13M	Hold	3,420	–	–	0.01%	128
2020 Q1	$828K	Hold	3,420	–	–	0.01%	132
2019 Q4	$893K	Buy	3,420 +26	+0.8%	+$6.85K	0.01%	141
2019 Q3	$923K	Sell	3,394 -4	-0.1%	-$1.11K	0.01%	135
2019 Q2	$936K	Hold	3,398	–	–	0.01%	136
2019 Q1	$760K	Hold	3,398	–	–	0.01%	143
2018 Q4	$632K	Sell	3,398 -900	-21%	-$185K	0.01%	144
2018 Q3	$1.07M	Hold	4,298	–	–	0.01%	132
2018 Q2	$937K	Hold	4,298	–	–	0.01%	130
2018 Q1	$823K	Hold	4,298	–	–	0.01%	131
2017 Q4	$672K	Sell	4,298 -300	-7%	-$47.2K	0.01%	140
2017 Q3	$715K	Hold	4,598	–	–	0.01%	136
2017 Q2	$742K	Hold	4,598	–	–	0.01%	131
2017 Q1	$711K	Buy	4,598 +600	+15%	+$82.7K	0.01%	132
2016 Q4	$469K	Hold	3,998	–	–	0.01%	141
2016 Q3	$451K	Hold	3,998	–	–	0.01%	145
2016 Q2	$371K	Hold	3,998	–	–	0.01%	142
2016 Q1	$313K	Hold	3,998	–	–	﹤0.01%	155
2015 Q4	$292K	Hold	3,998	–	–	﹤0.01%	164
2015 Q3	$297K	Hold	3,998	–	–	﹤0.01%	151
2015 Q2	$256K	Sell	3,998 -400	-9%	-$27.7K	﹤0.01%	163
2015 Q1	$340K	Hold	4,398	–	–	﹤0.01%	156
2014 Q4	$326K	Sell	4,398 -2,000	-31%	-$140K	﹤0.01%	160
2014 Q3	$377K	Buy	6,398 +400	+7%	+$25.3K	0.01%	152
2014 Q2	$401K	Sell	5,998 -4,000	-40%	-$254K	0.01%	150
2014 Q1	$607K	Hold	9,998	–	–	0.01%	136
2013 Q4	$532K	Buy	+9,998	New	+$526K	0.01%	146

Other funds holding IDXX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Mairs & Power Inc's IDXX Position: Q2 2026 in Review

Mairs & Power Inc held its Idexx Laboratories (IDXX) position steady in Q2 2026 at 2,080 shares worth $1.09M. The position accounts for 0.01% of the portfolio, ranked #154.

Mairs & Power Inc first reported a position in IDXX in Q4 2013 and has held it in 51 quarters since. The position peaked at $2.23M in Q4 2021. 1,295 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

Mairs & Power Inc held 2,080 shares of Idexx Laboratories worth $1.09M as of Q2 2026.
Mairs & Power Inc left its Idexx Laboratories share count unchanged in Q2 2026.
Idexx Laboratories made up 0.01% of Mairs & Power Inc's portfolio in Q2 2026, its #154 holding.
Mairs & Power Inc first reported a position in Idexx Laboratories in Q4 2013 and has held it in 51 quarters since.
Mairs & Power Inc's Idexx Laboratories position peaked at $2.23M in Q4 2021.
1,295 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on Mairs & Power Inc's 13F filing for Q2 2026, filed 14 Aug 2026.