Atom Investors’s DexCom DXCM Stock Holding History

Atom Investors’s Portfolio DXCM Stock Details DXCM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.26M	Buy	+20,106	New	+$1.4M	0.09%	319
2025 Q3	–	Sell	-63,582	Closed	-$5.55M	–	663
2025 Q2	$5.55M	Buy	+63,582	New	+$4.98M	0.49%	42
2024 Q3	–	Sell	-10,138	Closed	-$1.15M	–	503
2024 Q2	$1.15M	Buy	10,138 +3,301	+48%	+$417K	0.11%	229
2024 Q1	$948K	Buy	6,837 +2,205	+48%	+$277K	0.12%	229
2023 Q4	$575K	Buy	+4,632	New	+$473K	0.1%	257
2020 Q4	–	Sell	-10,744	Closed	-$1.11M	–	430
2020 Q3	$1.11M	Buy	+10,744	New	+$1.12M	0.11%	180
2020 Q1	–	Sell	-5,912	Closed	-$323K	–	333
2019 Q4	$323K	Buy	5,912 +56	+1%	+$2.66K	0.03%	195
2019 Q3	$218K	Sell	5,856 -1,780	-23%	-$69.2K	0.01%	264
2019 Q2	$286K	Buy	+7,636	New	+$240K	0.02%	348

Other funds holding DXCM

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

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

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

UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Atom Investors's DXCM Position: Q1 2026 in Review

Atom Investors opened a new position in DexCom (DXCM) in Q1 2026: 20,106 shares worth $1.26M. The stake represents 0.09% of the portfolio and ranks #319 among its holdings. This is a return to the name: Atom Investors previously reported a position in DXCM as recently as Q2 2025.

Atom Investors first reported a position in DXCM in Q2 2019 and has held it in 9 quarters since. The position peaked at $5.55M in Q2 2025. 957 funds tracked by Wall St. Rank hold DXCM as of Q1 2026.

Atom Investors held 20,106 shares of DexCom worth $1.26M as of Q1 2026.
DexCom was a new Atom Investors position in Q1 2026.
DexCom made up 0.09% of Atom Investors's portfolio in Q1 2026, its #319 holding.
Atom Investors first reported a position in DexCom in Q2 2019 and has held it in 9 quarters since.
Atom Investors's DexCom position peaked at $5.55M in Q2 2025.
957 funds tracked by Wall St. Rank held DexCom as of Q1 2026.

Based on Atom Investors's 13F filing for Q1 2026, filed 15 May 2026.