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O'Neil Global Advisors’s DexCom DXCM Stock Holding History

O'Neil Global Advisors’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
2025
Q3 		– Sell
-96,103
Closed -$8.39M – 70
2025
Q2 		$8.39M Buy
+96,103
New +$7.53M 1.93% 16
2023
Q3 		– Sell
-85,845
Closed -$11M – 66
2023
Q2 		$11M Buy
85,845
+83,423
+3,444% +$10.1M 2.29% 13
2023
Q1 		$281K Sell
2,422
-2,650
-52% -$297K 0.14% 58
2022
Q4 		$574K Buy
+5,072
New +$557K 2.65% 11
2021
Q4 		– Sell
-42,972
Closed -$5.88M – 66
2021
Q3 		$5.88M Buy
+42,972
New +$5.42M 4.51% 6

Other funds holding DXCM

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

O'Neil Global Advisors's DXCM Position: Q3 2025 in Review

O'Neil Global Advisors sold out of DexCom (DXCM) in Q3 2025, closing a stake of 96,103 shares — an estimated $8.39M sold.

O'Neil Global Advisors first reported a position in DXCM in Q3 2021 and held it in 5 quarters. The position peaked at $11M in Q2 2023. 911 funds tracked by Wall St. Rank hold DXCM as of Q3 2025.

  • O'Neil Global Advisors reported no remaining DexCom position as of Q3 2025 after selling out during the quarter.
  • O'Neil Global Advisors sold 96,103 DexCom shares in Q3 2025, an estimated $8.39M.
  • O'Neil Global Advisors first reported a position in DexCom in Q3 2021 and held it in 5 quarters.
  • O'Neil Global Advisors's DexCom position peaked at $11M in Q2 2023.
  • 911 funds tracked by Wall St. Rank held DexCom as of Q3 2025.

Based on O'Neil Global Advisors's 13F filing for Q3 2025, filed 10 Nov 2025.