Simplex Trading
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Simplex Trading’s DexCom DXCM Stock Holding History

Simplex Trading’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 		$7.94M Sell
126,400
-61,400
-33% -$4.28M 0.01% 810
2025
Q4 		$12.5M Sell
187,800
-4,900
-3% -$317K 0.01% 733
2025
Q3 		$13M Sell
192,700
-137,500
-42% -$10.9M 0.01% 818
2025
Q2 		$28.8M Buy
330,200
+117,300
+55% +$9.19M 0.02% 433
2025
Q1 		$14.5M Sell
212,900
-128,700
-38% -$10.5M 0.01% 671
2024
Q4 		$26.6M Sell
341,600
-26,400
-7% -$1.95M 0.01% 506
2024
Q3 		$24.7M Buy
368,000
+17,100
+5% +$1.4M 0.01% 558
2024
Q2 		$39.8M Sell
350,900
-70,100
-17% -$8.86M 0.02% 363
2024
Q1 		$58.4M Sell
421,000
-215,900
-34% -$27.1M 0.03% 301
2023
Q4 		$79M Buy
636,900
+221,200
+53% +$22.6M 0.05% 230
2023
Q3 		$38.8M Buy
415,700
+210,100
+102% +$23.7M 0.03% 353
2023
Q2 		$26.4M Sell
205,600
-72,900
-26% -$8.82M 0.02% 465
2023
Q1 		$32.4M Buy
278,500
+56,500
+25% +$6.32M 0.03% 400
2022
Q4 		$25.1M Buy
222,000
+32,200
+17% +$3.54M 0.03% 476
2022
Q3 		$15.3M Buy
189,800
+72,000
+61% +$6.1M 0.02% 607
2022
Q2 		$8.78M Buy
117,800
+5,800
+5% +$529K 0.01% 858
2022
Q1 		$14.3M Sell
112,000
-3,200
-3% -$350K 0.01% 660
2021
Q4 		$15.5M Sell
115,200
-59,200
-34% -$8.51M 0.02% 601
2021
Q3 		$18.6M Sell
174,400
-3,600
-2% -$454K 0.02% 486
2021
Q2 		$19M Buy
178,000
+177,352
+27,369% +$17M 0.02% 463
2021
Q1 		$5.82M Sell
648
-920
-59% -$86.4K 0.01% 714
2020
Q4 		$14.5M Sell
1,568
-172
-10% -$15.4K 0.02% 444
2020
Q3 		$17.9M Buy
1,740
+80
+5% +$8.36K 0.02% 354
2020
Q2 		$16.8M Buy
1,660
+1,192
+255% +$107K 0.03% 354
2020
Q1 		$3.15M Sell
468
-1,424
-75% -$88.6K 0.01% 956
2019
Q4 		$10.3M Buy
1,892
+1,124
+146% +$53.3K 0.02% 452
2019
Q3 		$2.87M Buy
768
+312
+68% +$12.1K 0.01% 1053
2019
Q2 		$1.71M Sell
456
-428
-48% -$13.5K ﹤0.01% 1431
2019
Q1 		$2.63M Buy
884
+488
+123% +$17.1K 0.01% 1134
2018
Q4 		$1.19M Sell
396
-1,204
-75% -$38.2K ﹤0.01% 1495
2018
Q3 		$5.72M Buy
1,600
+1,356
+556% +$42K 0.02% 559
2018
Q2 		$579K Buy
244
+128
+110% +$2.71K ﹤0.01% 2309
2018
Q1 		$2K Sell
116
-328
-74% -$4.85K ﹤0.01% 5237
2017
Q4 		$35K Sell
444
-196
-31% -$2.55K ﹤0.01% 2765
2017
Q3 		$38K Sell
640
-428
-40% -$7.57K ﹤0.01% 2551
2017
Q2 		$50K Buy
1,068
+516
+93% +$9.53K ﹤0.01% 2394
2017
Q1 		$21K Buy
552
+472
+590% +$9.21K ﹤0.01% 3184
2016
Q4 		$13K Sell
80
-108
-57% -$1.91K ﹤0.01% 3457
2016
Q3 		$24K Buy
188
+112
+147% +$2.49K ﹤0.01% 2782
2016
Q2 		$2K Sell
76
-52
-41% -$885 ﹤0.01% 4903
2016
Q1 		$55K Buy
128
+112
+700% +$1.87K ﹤0.01% 1881
2015
Q4 		$1K Sell
16
-1,160
-99% -$24.1K ﹤0.01% 4830
2015
Q3 		$138K Buy
1,176
+912
+345% +$20.3K 0.01% 1159
2015
Q2 		$3K Sell
264
-140
-35% -$2.46K ﹤0.01% 4022
2015
Q1 		$18K Buy
404
+248
+159% +$3.75K ﹤0.01% 2414
2014
Q4 		$14K Buy
+156
New +$1.91K ﹤0.01% 2318

Other funds holding DXCM

BlackRock
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Simplex Trading's DXCM Position: Q1 2026 in Review

Simplex Trading opened a new position in DexCom (DXCM) in Q1 2026: 5,052 shares worth $317K. The stake represents ﹤0.01% of the portfolio and ranks #3768 among its holdings. This is a return to the name: Simplex Trading previously reported a position in DXCM as recently as Q2 2025.

Simplex Trading first reported a position in DXCM in Q1 2015 and has held it in 27 quarters since. The position peaked at $4.41M in Q4 2024. 956 funds tracked by Wall St. Rank hold DXCM as of Q1 2026.

  • Simplex Trading held 5,052 shares of DexCom worth $317K as of Q1 2026.
  • DexCom was a new Simplex Trading position in Q1 2026.
  • DexCom made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #3768 holding.
  • Simplex Trading first reported a position in DexCom in Q1 2015 and has held it in 27 quarters since.
  • Simplex Trading's DexCom position peaked at $4.41M in Q4 2024.
  • 956 funds tracked by Wall St. Rank held DexCom as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.