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 Q2	$2.03M	Buy	30,209 +6,942	+30%	+$463K	0.03%	431
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 $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Mizuho Securities USA's DXCM Position: Q2 2026 in Review

Mizuho Securities USA increased its DexCom (DXCM) stake by 30% in Q2 2026, buying an estimated $463K and bringing the position to 30,209 shares worth $2.03M. The position accounts for 0.03% of the portfolio, ranked #431.

Mizuho Securities USA first reported a position in DXCM in Q4 2018 and has held it in 11 quarters since. The position peaked at $3.48M in Q2 2024. 976 funds tracked by Wall St. Rank hold DXCM as of Q2 2026.

Mizuho Securities USA held 30,209 shares of DexCom worth $2.03M as of Q2 2026.
Mizuho Securities USA bought 6,942 DexCom shares in Q2 2026, an estimated $463K.
DexCom made up 0.03% of Mizuho Securities USA's portfolio in Q2 2026, its #431 holding.
Mizuho Securities USA first reported a position in DexCom in Q4 2018 and has held it in 11 quarters since.
Mizuho Securities USA's DexCom position peaked at $3.48M in Q2 2024.
976 funds tracked by Wall St. Rank held DexCom as of Q2 2026.

Based on Mizuho Securities USA's 13F filing for Q2 2026, filed 24 Jul 2026.