Castle Hook Partners’s DexCom DXCM Stock Holding History

Castle Hook Partners’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	$261M	Buy	3,870,342 +3,068,495	+383%	+$204M	1.2%	13
2026 Q1	$50.4M	Sell	801,847 -1,449,164	-64%	-$101M	0.21%	30
2025 Q4	$149M	Buy	2,251,011 +1,646,746	+273%	+$106M	0.62%	26
2025 Q3	$40.7M	Buy	+604,265	New	+$47.8M	0.21%	34

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 $3.37T AUM 44.26% 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

Castle Hook Partners's DXCM Position: Q2 2026 in Review

Castle Hook Partners increased its DexCom (DXCM) stake by 383% in Q2 2026, buying an estimated $204M and bringing the position to 3,870,342 shares worth $261M. The position accounts for 1.2% of the portfolio, ranked #13.

Castle Hook Partners first reported a position in DXCM in Q3 2025 and has held it in 4 quarters since. 971 funds tracked by Wall St. Rank hold DXCM as of Q2 2026.

Castle Hook Partners held 3,870,342 shares of DexCom worth $261M as of Q2 2026.
Castle Hook Partners bought 3,068,495 DexCom shares in Q2 2026, an estimated $204M.
DexCom made up 1.2% of Castle Hook Partners's portfolio in Q2 2026, its #13 holding.
Castle Hook Partners first reported a position in DexCom in Q3 2025 and has held it in 4 quarters since.
971 funds tracked by Wall St. Rank held DexCom as of Q2 2026.

Based on Castle Hook Partners's 13F filing for Q2 2026, filed 14 Aug 2026.