William Blair Investment Management’s DexCom DXCM Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$12.3M	Buy	195,431 +23,858	+14%	+$1.66M	0.04%	299
2025 Q4	$11.4M	Buy	+171,573	New	+$11.1M	0.03%	308
2023 Q2	–	Sell	-8,155	Closed	-$947K	–	406
2023 Q1	$947K	Sell	8,155 -160	-2%	-$17.9K	﹤0.01%	352
2022 Q4	$942K	Sell	8,315 -31,670	-79%	-$3.48M	﹤0.01%	358
2022 Q3	$3.22M	Sell	39,985 -4,135	-9%	-$350K	0.01%	338
2022 Q2	$3.29M	Buy	44,120 +100	+0.2%	+$9.13K	0.01%	345
2022 Q1	$5.63M	Buy	+44,020	New	+$4.82M	0.02%	340
2019 Q3	–	Sell	-1,862,512	Closed	-$69.8M	–	366
2019 Q2	$69.8M	Sell	1,862,512 -1,896,116	-50%	-$59.6M	0.29%	99
2019 Q1	$112M	Sell	3,758,628 -1,263,860	-25%	-$44.4M	0.47%	65
2018 Q4	$150M	Sell	5,022,488 -2,938,564	-37%	-$93.2M	0.75%	37
2018 Q3	$285M	Sell	7,961,052 -78,192	-1%	-$2.42M	0.99%	17
2018 Q2	$191M	Buy	8,039,244 +603,380	+8%	+$12.8M	0.71%	31
2018 Q1	$138M	Buy	7,435,864 +385,388	+5%	+$5.7M	0.53%	59
2017 Q4	$101M	Buy	7,050,476 +1,377,176	+24%	+$17.9M	0.39%	86
2017 Q3	$69.4M	Buy	+5,673,300	New	+$100M	0.25%	123