Twin Tree Management
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Twin Tree Management’s DexCom DXCM Stock Holding History

Twin Tree Management’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
Q2 		$722K Buy
10,721
+10,516
+5,130% +$701K 0.01% 924
2026
Q1 		$12.9K Buy
+205
New +$14.3K ﹤0.01% 1222
2024
Q4 		– Sell
-61,152
Closed -$4.53M – 1649
2024
Q3 		$4.1M Buy
61,152
+2,875
+5% +$236K 0.01% 959
2024
Q2 		$6.61M Buy
+58,277
New +$7.37M 0.01% 676
2023
Q3 		– Sell
-101,335
Closed -$13M – 1298
2023
Q2 		$13M Buy
101,335
+88,243
+674% +$10.7M 0.02% 550
2023
Q1 		$1.52M Buy
+13,092
New +$1.47M ﹤0.01% 951
2022
Q3 		– Sell
-256,279
Closed -$21.7M – 1407
2022
Q2 		$19.1M Buy
256,279
+182,987
+250% +$16.7M 0.03% 431
2022
Q1 		$9.37M Buy
+73,292
New +$8.02M 0.02% 714
2021
Q2 		– Sell
-16,560
Closed -$1.59M – 1399
2021
Q1 		$1.49M Buy
+16,560
New +$1.55M 0.01% 911
2020
Q3 		– Sell
-6,768
Closed -$707K – 1311
2020
Q2 		$686K Sell
6,768
-12,988
-66% -$1.16M ﹤0.01% 1112
2020
Q1 		$1.33M Buy
19,756
+18,856
+2,095% +$1.17M 0.01% 801
2019
Q4 		$49K Sell
900
-2,640
-75% -$125K ﹤0.01% 1123
2019
Q3 		$132K Buy
+3,540
New +$138K ﹤0.01% 996
2019
Q2 		– Sell
-5,844
Closed -$174K – 1307
2019
Q1 		$174K Buy
+5,844
New +$205K ﹤0.01% 1043
2018
Q1 		– Sell
-38,396
Closed -$551K – 1148
2017
Q4 		$551K Sell
38,396
-16,744
-30% -$218K ﹤0.01% 791
2017
Q3 		$674K Buy
+55,140
New +$975K 0.01% 727
2017
Q2 		– Sell
-48,068
Closed -$888K – 1001
2017
Q1 		$1.02M Buy
+48,068
New +$938K 0.01% 682
2015
Q4 		– Sell
-11,356
Closed -$236K – 1431
2015
Q3 		$244K Sell
11,356
-16,248
-59% -$363K 0.01% 949
2015
Q2 		$552K Buy
+27,604
New +$485K 0.01% 837

Other funds holding DXCM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Twin Tree Management's DXCM Position: Q2 2026 in Review

Twin Tree Management increased its DexCom (DXCM) stake by 5,130% in Q2 2026, buying an estimated $701K and bringing the position to 10,721 shares worth $722K. The position accounts for 0.01% of the portfolio, ranked #924.

Twin Tree Management first reported a position in DXCM in Q2 2015 and has held it in 19 quarters since. The position peaked at $19.1M in Q2 2022. 968 funds tracked by Wall St. Rank hold DXCM as of Q2 2026.

  • Twin Tree Management held 10,721 shares of DexCom worth $722K as of Q2 2026.
  • Twin Tree Management bought 10,516 DexCom shares in Q2 2026, an estimated $701K.
  • DexCom made up 0.01% of Twin Tree Management's portfolio in Q2 2026, its #924 holding.
  • Twin Tree Management first reported a position in DexCom in Q2 2015 and has held it in 19 quarters since.
  • Twin Tree Management's DexCom position peaked at $19.1M in Q2 2022.
  • 968 funds tracked by Wall St. Rank held DexCom as of Q2 2026.

Based on Twin Tree Management's 13F filing for Q2 2026, filed 12 Aug 2026.