GAMCO Investors’s DexCom DXCM Stock Holding History

GAMCO 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	$3.27M	Buy	52,003 +3	+0%	+$209	0.03%	445
2025 Q4	$3.45M	Hold	52,000	–	–	0.03%	438
2025 Q3	$3.5M	Hold	52,000	–	–	0.03%	424
2025 Q2	$4.54M	Hold	52,000	–	–	0.04%	375
2025 Q1	$3.55M	Hold	52,000	–	–	0.04%	394
2024 Q4	$4.04M	Hold	52,000	–	–	0.04%	379
2024 Q3	$3.49M	Hold	52,000	–	–	0.04%	400
2024 Q2	$5.9M	Hold	52,000	–	–	0.06%	306
2024 Q1	$7.21M	Sell	52,000 -1,000	-2%	-$126K	0.07%	279
2023 Q4	$6.58M	Buy	53,000 +1,000	+2%	+$102K	0.07%	295
2023 Q3	$4.85M	Hold	52,000	–	–	0.06%	326
2023 Q2	$6.68M	Hold	52,000	–	–	0.07%	282
2023 Q1	$6.04M	Hold	52,000	–	–	0.07%	294
2022 Q4	$5.89M	Hold	52,000	–	–	0.06%	292
2022 Q3	$4.19M	Hold	52,000	–	–	0.05%	331
2022 Q2	$3.88M	Hold	52,000	–	–	0.04%	358
2022 Q1	$6.65M	Hold	52,000	–	–	0.06%	297
2021 Q4	$6.98M	Hold	52,000	–	–	0.06%	303
2021 Q3	$7.11M	Hold	52,000	–	–	0.06%	299
2021 Q2	$5.55M	Hold	52,000	–	–	0.05%	346
2021 Q1	$4.67M	Hold	52,000	–	–	0.04%	358
2020 Q4	$4.81M	Sell	52,000 -1,200	-2%	-$107K	0.05%	341
2020 Q3	$5.48M	Sell	53,200 -800	-1%	-$83.6K	0.06%	310
2020 Q2	$5.47M	Sell	54,000 -2,000	-4%	-$179K	0.06%	301
2020 Q1	$3.77M	Hold	56,000	–	–	0.04%	337
2019 Q4	$3.06M	Sell	56,000 -15,600	-22%	-$740K	0.02%	425
2019 Q3	$2.67M	Sell	71,600 -4,400	-6%	-$171K	0.02%	446
2019 Q2	$2.85M	Sell	76,000 -4,000	-5%	-$126K	0.02%	448
2019 Q1	$2.38M	Sell	80,000 -2,000	-2%	-$70.3K	0.02%	466
2018 Q4	$2.46M	Sell	82,000 -14,000	-15%	-$444K	0.02%	429
2018 Q3	$3.43M	Sell	96,000 -4,000	-4%	-$124K	0.02%	411
2018 Q2	$2.38M	Sell	100,000 -28,000	-22%	-$594K	0.02%	461
2018 Q1	$2.37M	Hold	128,000	–	–	0.02%	452
2017 Q4	$1.84M	Hold	128,000	–	–	0.01%	501
2017 Q3	$1.57M	Sell	128,000 -4,000	-3%	-$70.7K	0.01%	521
2017 Q2	$2.41M	Sell	132,000 -4,000	-3%	-$73.9K	0.02%	465
2017 Q1	$2.88M	Sell	136,000 -13,200	-9%	-$258K	0.02%	443
2016 Q4	$2.23M	Sell	149,200 -17,200	-10%	-$305K	0.01%	476
2016 Q3	$3.65M	Sell	166,400 -1,200	-0.7%	-$26.7K	0.02%	416
2016 Q2	$3.32M	Sell	167,600 -6,000	-3%	-$102K	0.02%	432
2016 Q1	$2.95M	Sell	173,600 -4,000	-2%	-$66.8K	0.02%	444
2015 Q4	$3.64M	Sell	177,600 -4,000	-2%	-$83.2K	0.02%	411
2015 Q3	$3.9M	Sell	181,600 -21,600	-11%	-$482K	0.03%	404
2015 Q2	$4.06M	Hold	203,200	–	–	0.02%	418
2015 Q1	$3.17M	Sell	203,200 -3,200	-2%	-$48.3K	0.02%	468
2014 Q4	$2.84M	Sell	206,400 -57,600	-22%	-$705K	0.01%	485
2014 Q3	$2.64M	Sell	264,000 -18,000	-6%	-$184K	0.01%	503
2014 Q2	$2.8M	Sell	282,000 -2,000	-0.7%	-$17.7K	0.01%	498
2014 Q1	$2.94M	Sell	284,000 -12,000	-4%	-$124K	0.02%	468
2013 Q4	$2.62M	Sell	296,000 -4,000	-1%	-$31.7K	0.01%	480
2013 Q3	$2.12M	Hold	300,000	–	–	0.01%	503
2013 Q2	$1.68M	Buy	+300,000	New	+$1.44M	0.01%	511

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

GAMCO Investors's DXCM Position: Q1 2026 in Review

GAMCO Investors increased its DexCom (DXCM) stake by 0.01% in Q1 2026, buying an estimated $209 and bringing the position to 52,003 shares worth $3.27M. The position accounts for 0.03% of the portfolio, ranked #445.

GAMCO Investors first reported a position in DXCM in Q2 2013 and has held it in 52 quarters since. The position peaked at $7.21M in Q1 2024. 956 funds tracked by Wall St. Rank hold DXCM as of Q1 2026.

GAMCO Investors held 52,003 shares of DexCom worth $3.27M as of Q1 2026.
GAMCO Investors bought 3 DexCom shares in Q1 2026, an estimated $209.
DexCom made up 0.03% of GAMCO Investors's portfolio in Q1 2026, its #445 holding.
GAMCO Investors first reported a position in DexCom in Q2 2013 and has held it in 52 quarters since.
GAMCO Investors's DexCom position peaked at $7.21M in Q1 2024.
956 funds tracked by Wall St. Rank held DexCom as of Q1 2026.

Based on GAMCO Investors's 13F filing for Q1 2026, filed 14 May 2026.