Simplex Trading’s DexCom DXCM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$317K Buy
+5,052
New +$352K ﹤0.01% 3768
2025
Q3
Sell
-28,566
Closed -$2.26M 9265
2025
Q2
$2.49M Sell
28,566
-5,247
-16% -$411K ﹤0.01% 1913
2025
Q1
$2.31M Sell
33,813
-22,874
-40% -$1.87M ﹤0.01% 1902
2024
Q4
$4.41M Buy
56,687
+29,958
+112% +$2.22M ﹤0.01% 1569
2024
Q3
$1.79M Buy
26,729
+4,980
+23% +$409K ﹤0.01% 2380
2024
Q2
$2.46M Buy
21,749
+6,422
+42% +$812K ﹤0.01% 2009
2024
Q1
$2.13M Buy
+15,327
New +$1.93M ﹤0.01% 2355
2021
Q4
Sell
-22,932
Closed -$3.3M 10665
2021
Q3
$2.45M Sell
22,932
-3,000
-12% -$378K ﹤0.01% 1905
2021
Q2
$2.77M Buy
+25,932
New +$2.49M ﹤0.01% 1769
2021
Q1
Sell
-44,888
Closed -$4.21M 9062
2020
Q4
$4.15M Buy
44,888
+10,876
+32% +$971K 0.01% 1126
2020
Q3
$3.5M Buy
34,012
+13,436
+65% +$1.4M ﹤0.01% 1098
2020
Q2
$2.08M Sell
20,576
-18,336
-47% -$1.64M ﹤0.01% 1471
2020
Q1
$2.62M Buy
38,912
+34,512
+784% +$2.15M ﹤0.01% 1083
2019
Q4
$240K Sell
4,400
-15,312
-78% -$726K ﹤0.01% 3551
2019
Q3
$735K Buy
+19,712
New +$766K ﹤0.01% 2247
2019
Q2
Sell
-45,548
Closed -$1.43M 7246
2019
Q1
$1.36M Buy
45,548
+28,204
+163% +$991K ﹤0.01% 1722
2018
Q4
$519K Sell
17,344
-7,100
-29% -$225K ﹤0.01% 2197
2018
Q3
$874K Buy
+24,444
New +$758K ﹤0.01% 2026
2018
Q2
Sell
-65,160
Closed -$1.38M 7460
2018
Q1
$1.21M Buy
+65,160
New +$964K 0.05% 323
2017
Q3
Sell
-21,740
Closed -$384K 6023
2017
Q2
$397K Buy
21,740
+3,616
+20% +$66.8K 0.02% 782
2017
Q1
$383K Buy
18,124
+6,988
+63% +$136K 0.02% 826
2016
Q4
$166K Buy
+11,136
New +$197K 0.01% 1179
2016
Q3
Sell
-82,556
Closed -$1.84M 5914
2016
Q2
$1.64M Buy
82,556
+80,160
+3,346% +$1.36M 0.11% 173
2016
Q1
$40K Sell
2,396
-8,424
-78% -$141K ﹤0.01% 2147
2015
Q4
$221K Sell
10,820
-12,532
-54% -$261K 0.02% 818
2015
Q3
$501K Buy
+23,352
New +$521K 0.04% 445
2015
Q2
Sell
-12,648
Closed -$222K 5315
2015
Q1
$197K Buy
+12,648
New +$191K 0.02% 731

Other funds holding DXCM

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.