Mizuho Securities USA’s DexCom DXCM Stock Holding History

Mizuho Securities USA’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	$1.46M	Sell	23,267 -5,131	-18%	-$357K	0.03%	456
2025 Q4	$1.8M	Sell	28,398 -164	-0.6%	-$10.6K	0.03%	449
2025 Q3	$2.15M	Buy	28,562 +1,466	+5%	+$116K	0.04%	398
2025 Q2	$2.37M	Sell	27,096 -4,187	-13%	-$328K	0.05%	354
2025 Q1	$2.14M	Sell	31,283 -5,737	-15%	-$468K	0.05%	373
2024 Q4	$2.88M	Buy	37,020 +11,035	+42%	+$817K	0.05%	343
2024 Q3	$1.74M	Sell	25,985 -4,679	-15%	-$384K	0.04%	379
2024 Q2	$3.48M	Buy	+30,664	New	+$3.88M	0.08%	237
2019 Q4	–	Sell	-32,800	Closed	-$1.22M	–	173
2019 Q3	$1.22M	Buy	+32,800	New	+$1.27M	0.07%	87
2019 Q1	–	Sell	-38,400	Closed	-$1.15M	–	120
2018 Q4	$1.15M	Buy	+38,400	New	+$1.22M	0.15%	74

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

Mizuho Securities USA's DXCM Position: Q1 2026 in Review

Mizuho Securities USA reduced its DexCom (DXCM) stake by 18% in Q1 2026, selling an estimated $357K and leaving 23,267 shares worth $1.46M. The position accounts for 0.03% of the portfolio, ranked #456.

Mizuho Securities USA first reported a position in DXCM in Q4 2018 and has held it in 10 quarters since. The position peaked at $3.48M in Q2 2024. 956 funds tracked by Wall St. Rank hold DXCM as of Q1 2026.

Mizuho Securities USA held 23,267 shares of DexCom worth $1.46M as of Q1 2026.
Mizuho Securities USA sold 5,131 DexCom shares in Q1 2026, an estimated $357K.
DexCom made up 0.03% of Mizuho Securities USA's portfolio in Q1 2026, its #456 holding.
Mizuho Securities USA first reported a position in DexCom in Q4 2018 and has held it in 10 quarters since.
Mizuho Securities USA's DexCom position peaked at $3.48M in Q2 2024.
956 funds tracked by Wall St. Rank held DexCom as of Q1 2026.

Based on Mizuho Securities USA's 13F filing for Q1 2026, filed 11 May 2026.