A.R.T. Advisors’s Idexx Laboratories IDXX Stock Holding History

A.R.T. Advisors’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
2020 Q1	–	Sell	-958	Closed	-$250K	–	498
2019 Q4	$250K	Buy	+958	New	+$252K	0.01%	1087
2018 Q3	–	Sell	-6,200	Closed	-$1.35M	–	1529
2018 Q2	$1.35M	Buy	+6,200	New	+$1.28M	0.06%	507
2018 Q1	–	Sell	-13,300	Closed	-$2.08M	–	1621
2017 Q4	$2.08M	Buy	+13,300	New	+$2.09M	0.09%	361
2017 Q3	–	Sell	-2,200	Closed	-$355K	–	1486
2017 Q2	$355K	Sell	2,200 -13,600	-86%	-$2.21M	0.02%	947
2017 Q1	$2.44M	Buy	15,800 +6,300	+66%	+$868K	0.11%	252
2016 Q4	$1.11M	Buy	9,500 +7,200	+313%	+$822K	0.07%	446
2016 Q3	$259K	Sell	2,300 -1,815	-44%	-$191K	0.08%	398
2016 Q2	$382K	Buy	+4,115	New	+$353K	0.02%	887
2015 Q1	–	Sell	-12,076	Closed	-$895K	–	1542
2014 Q4	$895K	Sell	12,076 -38,350	-76%	-$2.69M	0.03%	693
2014 Q3	$2.97M	Buy	+50,426	New	+$3.19M	0.14%	210
2014 Q1	–	Sell	-29,892	Closed	-$1.59M	–	1432
2013 Q4	$1.59M	Buy	+29,892	New	+$1.57M	0.08%	349

Other funds holding IDXX

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Fundsmith LLP London, United Kingdom $12.8B AUM 6.9% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return

T. Rowe Price Associates

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Geode Capital Management

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

William Blair & Company

William Blair & Company Chicago, Illinois $34.9B AUM 18.88% 1-Year Est. Return

AllianceBernstein

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Principal Financial Group

Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return