William Blair & Company’s DexCom DXCM Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $112M | Sell |
1,665,665
-261,722
| -14% | -$17.4M | 0.29% | 80 |
|
|
2026
Q1 | $121M | Sell |
1,927,387
-61,454
| -3% | -$4.28M | 0.35% | 66 |
|
|
2025
Q4 | $132M | Sell |
1,988,841
-120,502
| -6% | -$7.79M | 0.35% | 65 |
|
|
2025
Q3 | $142M | Sell |
2,109,343
-98,701
| -4% | -$7.81M | 0.38% | 68 |
|
|
2025
Q2 | $193M | Sell |
2,208,044
-30,519
| -1% | -$2.39M | 0.54% | 51 |
|
|
2025
Q1 | $153M | Buy |
2,238,563
+5,916
| +0.3% | +$483K | 0.46% | 58 |
|
|
2024
Q4 | $174M | Sell |
2,232,647
-509,462
| -19% | -$37.7M | 0.51% | 55 |
|
|
2024
Q3 | $184M | Sell |
2,742,109
-1,557,310
| -36% | -$128M | 0.54% | 52 |
|
|
2024
Q2 | $487M | Sell |
4,299,419
-233,268
| -5% | -$29.5M | 1.5% | 8 |
|
|
2024
Q1 | $629M | Buy |
4,532,687
+64,683
| +1% | +$8.13M | 1.97% | 5 |
|
|
2023
Q4 | $554M | Sell |
4,468,004
-39,149
| -0.9% | -$4M | 1.89% | 6 |
|
|
2023
Q3 | $421M | Buy |
4,507,153
+73,654
| +2% | +$8.3M | 1.61% | 9 |
|
|
2023
Q2 | $570M | Buy |
4,433,499
+77,048
| +2% | +$9.32M | 2.09% | 5 |
|
|
2023
Q1 | $506M | Sell |
4,356,451
-64,976
| -1% | -$7.27M | 2.02% | 5 |
|
|
2022
Q4 | $501M | Sell |
4,421,427
-200,321
| -4% | -$22M | 2.18% | 3 |
|
|
2022
Q3 | $372M | Buy |
4,621,748
+119,780
| +3% | +$10.1M | 1.71% | 8 |
|
|
2022
Q2 | $336M | Sell |
4,501,968
-138,812
| -3% | -$12.7M | 1.49% | 10 |
|
|
2022
Q1 | $594M | Sell |
4,640,780
-77,848
| -2% | -$8.52M | 2.08% | 5 |
|
|
2021
Q4 | $633M | Sell |
4,718,628
-93,680
| -2% | -$13.5M | 1.99% | 5 |
|
|
2021
Q3 | $658M | Sell |
4,812,308
-14,820
| -0.3% | -$1.87M | 2.24% | 5 |
|
|
2021
Q2 | $515M | Buy |
4,827,128
+80,476
| +2% | +$7.73M | 1.79% | 8 |
|
|
2021
Q1 | $426M | Buy |
4,746,652
+419,488
| +10% | +$39.4M | 1.61% | 8 |
|
|
2020
Q4 | $400M | Buy |
4,327,164
+140,576
| +3% | +$12.6M | 1.47% | 12 |
|
|
2020
Q3 | $431M | Sell |
4,186,588
-107,468
| -3% | -$11.2M | 1.83% | 8 |
|
|
2020
Q2 | $435M | Sell |
4,294,056
-247,304
| -5% | -$22.1M | 2.08% | 7 |
|
|
2020
Q1 | $306M | Sell |
4,541,360
-278,996
| -6% | -$17.4M | 1.91% | 7 |
|
|
2019
Q4 | $264M | Buy |
4,820,356
+225,408
| +5% | +$10.7M | 1.35% | 12 |
|
|
2019
Q3 | $171M | Buy |
4,594,948
+43,284
| +1% | +$1.68M | 0.99% | 18 |
|
|
2019
Q2 | $171M | Buy |
4,551,664
+510,244
| +13% | +$16M | 0.97% | 19 |
|
|
2019
Q1 | $120M | Buy |
4,041,420
+179,212
| +5% | +$6.3M | 0.73% | 27 |
|
|
2018
Q4 | $116M | Sell |
3,862,208
-73,400
| -2% | -$2.33M | 0.84% | 24 |
|
|
2018
Q3 | $141M | Sell |
3,935,608
-78,804
| -2% | -$2.44M | 0.86% | 22 |
|
|
2018
Q2 | $95.3M | Buy |
4,014,412
+178,148
| +5% | +$3.78M | 0.65% | 39 |
|
|
2018
Q1 | $71.1M | Sell |
3,836,264
-275,904
| -7% | -$4.08M | 0.5% | 50 |
|
|
2017
Q4 | $59M | Sell |
4,112,168
-361,056
| -8% | -$4.69M | 0.4% | 61 |
|
|
2017
Q3 | $54.7M | Buy |
4,473,224
+37,668
| +0.8% | +$666K | 0.41% | 64 |
|
|
2017
Q2 | $81.1M | Buy |
4,435,556
+396,356
| +10% | +$7.32M | 0.61% | 38 |
|
|
2017
Q1 | $81M | Buy |
4,039,200
+75,676
| +2% | +$1.48M | 0.65% | 35 |
|
|
2016
Q4 | $59.2M | Sell |
3,963,524
-560,432
| -12% | -$9.93M | 0.53% | 52 |
|
|
2016
Q3 | $99.1M | Buy |
4,523,956
+122,952
| +3% | +$2.74M | 0.88% | 19 |
|
|
2016
Q2 | $87.3M | Sell |
4,401,004
-135,056
| -3% | -$2.3M | 0.81% | 23 |
|
|
2016
Q1 | $77M | Buy |
4,536,060
+195,476
| +5% | +$3.27M | 0.73% | 29 |
|
|
2015
Q4 | $88.9M | Buy |
4,340,584
+266,644
| +7% | +$5.55M | 0.83% | 20 |
|
|
2015
Q3 | $87.4M | Sell |
4,073,940
-226,308
| -5% | -$5.05M | 0.76% | 23 |
|
|
2015
Q2 | $86M | Buy |
4,300,248
+43,512
| +1% | +$764K | 0.13% | 210 |
|
|
2015
Q1 | $66.3M | Sell |
4,256,736
-324,480
| -7% | -$4.9M | 0.1% | 266 |
|
|
2014
Q4 | $63M | Sell |
4,581,216
-95,564
| -2% | -$1.17M | 0.1% | 272 |
|
|
2014
Q3 | $46.8M | Buy |
4,676,780
+1,972,936
| +73% | +$20.2M | 0.08% | 327 |
|
|
2014
Q2 | $26.8M | Sell |
2,703,844
-82,912
| -3% | -$735K | 0.04% | 471 |
|
|
2014
Q1 | $28.8M | Sell |
2,786,756
-293,516
| -10% | -$3.03M | 0.05% | 450 |
|
|
2013
Q4 | $27.3M | Sell |
3,080,272
-233,340
| -7% | -$1.85M | 0.05% | 468 |
|
|
2013
Q3 | $23.4M | Sell |
3,313,612
-72,460
| -2% | -$459K | 0.04% | 484 |
|
|
2013
Q2 | $19M | Buy |
+3,386,072
| New | +$16.2M | 0.04% | 496 |
|
Other funds holding DXCM
William Blair & Company's DXCM Position: Q2 2026 in Review
William Blair & Company reduced its DexCom (DXCM) stake by 14% in Q2 2026, selling an estimated $17.4M and leaving 1,665,665 shares worth $112M. The position accounts for 0.29% of the portfolio, ranked #80.
William Blair & Company first reported a position in DXCM in Q2 2013 and has held it in 53 quarters since. The position peaked at $658M in Q3 2021. 968 funds tracked by Wall St. Rank hold DXCM as of Q2 2026.
- William Blair & Company held 1,665,665 shares of DexCom worth $112M as of Q2 2026.
- William Blair & Company sold 261,722 DexCom shares in Q2 2026, an estimated $17.4M.
- DexCom made up 0.29% of William Blair & Company's portfolio in Q2 2026, its #80 holding.
- William Blair & Company first reported a position in DexCom in Q2 2013 and has held it in 53 quarters since.
- William Blair & Company's DexCom position peaked at $658M in Q3 2021.
- 968 funds tracked by Wall St. Rank held DexCom as of Q2 2026.
Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.