Magnetar Financial’s DexCom DXCM Stock Holding History

Magnetar Financial’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	$254K	Sell	4,099 -10,192	-71%	-$710K	﹤0.01%	813
2025 Q4	$948K	Sell	14,291 -90,017	-86%	-$5.82M	0.01%	449
2025 Q3	$7.02M	Buy	104,308 +375	+0.4%	+$29.7K	0.04%	173
2025 Q2	$8.63M	Sell	103,933 -32,163	-24%	-$2.52M	0.04%	162
2025 Q1	$9.29M	Buy	136,096 +47,746	+54%	+$3.9M	0.12%	115
2024 Q4	$6.87M	Buy	+88,350	New	+$6.54M	0.16%	103
2024 Q3	–	Sell	-280,407	Closed	-$31.8M	–	569
2024 Q2	$31.8M	Buy	+280,407	New	+$35.5M	0.66%	52
2023 Q4	–	Sell	-386,809	Closed	-$36.1M	–	419
2023 Q3	$36.1M	Buy	+386,809	New	+$43.6M	0.92%	31
2022 Q1	–	Sell	-17,320	Closed	-$2.33M	–	1388
2021 Q4	$2.33M	Buy	+17,320	New	+$2.49M	0.02%	645
2021 Q1	–	Sell	-10,648	Closed	-$984K	–	1081
2020 Q4	$984K	Sell	10,648 -11,360	-52%	-$1.01M	0.01%	465
2020 Q3	$2.27M	Buy	+22,008	New	+$2.3M	0.04%	226

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

Magnetar Financial's DXCM Position: Q1 2026 in Review

Magnetar Financial reduced its DexCom (DXCM) stake by 71% in Q1 2026, selling an estimated $710K and leaving 4,099 shares worth $254K. The position accounts for ﹤0.01% of the portfolio, ranked #813.

Magnetar Financial first reported a position in DXCM in Q3 2020 and has held it in 11 quarters since. The position peaked at $36.1M in Q3 2023. 956 funds tracked by Wall St. Rank hold DXCM as of Q1 2026.

Magnetar Financial held 4,099 shares of DexCom worth $254K as of Q1 2026.
Magnetar Financial sold 10,192 DexCom shares in Q1 2026, an estimated $710K.
DexCom made up ﹤0.01% of Magnetar Financial's portfolio in Q1 2026, its #813 holding.
Magnetar Financial first reported a position in DexCom in Q3 2020 and has held it in 11 quarters since.
Magnetar Financial's DexCom position peaked at $36.1M in Q3 2023.
956 funds tracked by Wall St. Rank held DexCom as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.