Ruane, Cunniff & Goldfarb’s Idexx Laboratories IDXX Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2019 Q4	–	Sell	-1,146	Closed	-$312K	–	42
2019 Q3	$312K	Hold	1,146	–	–	﹤0.01%	33
2019 Q2	$316K	Hold	1,146	–	–	﹤0.01%	32
2019 Q1	$256K	Sell	1,146 -446	-28%	-$92.1K	﹤0.01%	50
2018 Q4	$296K	Hold	1,592	–	–	﹤0.01%	54
2018 Q3	$397K	Sell	1,592 -197	-11%	-$47.8K	﹤0.01%	56
2018 Q2	$390K	Buy	1,789 +446	+33%	+$91.9K	﹤0.01%	59
2018 Q1	$254K	Sell	1,343 -1,022	-43%	-$189K	﹤0.01%	57
2017 Q4	$370K	Sell	2,365 -554	-19%	-$87.2K	﹤0.01%	61
2017 Q3	$454K	Sell	2,919 -446	-13%	-$70.5K	﹤0.01%	67
2017 Q2	$543K	Sell	3,365 -21,253	-86%	-$3.45M	0.01%	65
2017 Q1	$3.81M	Sell	24,618 -3,123	-11%	-$430K	0.04%	58
2016 Q4	$3.25M	Sell	27,741 -79,203	-74%	-$9.04M	0.03%	59
2016 Q3	$12.1M	Sell	106,944 -950	-0.9%	-$100K	0.11%	44
2016 Q2	$10M	Sell	107,894 -7,560,282	-99%	-$649M	0.1%	45
2016 Q1	$601M	Sell	7,668,176 -359,192	-4%	-$25.9M	4.67%	7
2015 Q4	$585M	Sell	8,027,368 -139,906	-2%	-$9.98M	3.33%	8
2015 Q3	$606M	Buy	8,167,274 +84,036	+1%	+$6.02M	3.11%	8
2015 Q2	$518M	Sell	8,083,238 -73,066	-0.9%	-$5.06M	2.47%	10
2015 Q1	$630M	Sell	8,156,304 -740,510	-8%	-$57.6M	2.98%	9
2014 Q4	$660M	Sell	8,896,814 -1,497,348	-14%	-$105M	3.36%	8
2014 Q3	$612M	Sell	10,394,162 -82,618	-0.8%	-$5.22M	3.24%	8
2014 Q2	$700M	Sell	10,476,780 -28,518	-0.3%	-$1.81M	3.73%	6
2014 Q1	$638M	Sell	10,505,298 -36,878	-0.3%	-$2.2M	3.41%	7
2013 Q4	$561M	Sell	10,542,176 -146,168	-1%	-$7.69M	3.12%	8
2013 Q3	$533M	Sell	10,688,344 -15,180	-0.1%	-$730K	3.16%	7
2013 Q2	$480M	Buy	+10,703,524	New	+$468M	3.09%	9