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Rock Springs Capital Management’s DexCom DXCM Stock Holding History

Rock Springs Capital 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 		$23.1M Sell
343,000
-12,600
-4% -$839K 1.13% 25
2026
Q1 		$22.3M Buy
355,600
+8,300
+2% +$578K 1.32% 24
2025
Q4 		$23.1M Buy
347,300
+30,400
+10% +$1.97M 1.18% 27
2025
Q3 		$21.3M Buy
316,900
+30,150
+11% +$2.39M 1.25% 29
2025
Q2 		$25M Sell
286,750
-110,900
-28% -$8.69M 1.56% 24
2025
Q1 		$27.2M Buy
397,650
+44,650
+13% +$3.64M 1.55% 25
2024
Q4 		$27.5M Sell
353,000
-171,000
-33% -$12.7M 1.05% 34
2024
Q3 		$35.1M Buy
524,000
+24,000
+5% +$1.97M 1.14% 35
2024
Q2 		$56.7M Sell
500,000
-96,750
-16% -$12.2M 1.71% 18
2024
Q1 		$82.8M Buy
596,750
+750
+0.1% +$94.3K 2.1% 13
2023
Q4 		$74M Buy
596,000
+12,000
+2% +$1.23M 1.82% 18
2023
Q3 		$54.5M Buy
584,000
+93,500
+19% +$10.5M 1.46% 24
2023
Q2 		$63M Hold
490,500
– – 1.5% 24
2023
Q1 		$57M Hold
490,500
– – 1.36% 26
2022
Q4 		$55.5M Hold
490,500
– – 1.34% 27
2022
Q3 		$39.5M Buy
490,500
+17,700
+4% +$1.5M 1.02% 36
2022
Q2 		$35.2M Buy
472,800
+56,800
+14% +$5.18M 1.03% 31
2022
Q1 		$53.2M Buy
416,000
+189,000
+83% +$20.7M 1.34% 27
2021
Q4 		$30.5M Buy
227,000
+41,000
+22% +$5.89M 0.7% 49
2021
Q3 		$25.4M Buy
186,000
+3,600
+2% +$454K 0.53% 60
2021
Q2 		$19.5M Buy
182,400
+122,400
+204% +$11.8M 0.38% 77
2021
Q1 		$5.39M Buy
+60,000
New +$5.63M 0.12% 130

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

Rock Springs Capital Management's DXCM Position: Q2 2026 in Review

Rock Springs Capital Management reduced its DexCom (DXCM) stake by 3.5% in Q2 2026, selling an estimated $839K and leaving 343,000 shares worth $23.1M. The position accounts for 1.13% of the portfolio, ranked #25.

Rock Springs Capital Management first reported a position in DXCM in Q1 2021 and has held it in 22 quarters since. The position peaked at $82.8M in Q1 2024. 971 funds tracked by Wall St. Rank hold DXCM as of Q2 2026.

  • Rock Springs Capital Management held 343,000 shares of DexCom worth $23.1M as of Q2 2026.
  • Rock Springs Capital Management sold 12,600 DexCom shares in Q2 2026, an estimated $839K.
  • DexCom made up 1.13% of Rock Springs Capital Management's portfolio in Q2 2026, its #25 holding.
  • Rock Springs Capital Management first reported a position in DexCom in Q1 2021 and has held it in 22 quarters since.
  • Rock Springs Capital Management's DexCom position peaked at $82.8M in Q1 2024.
  • 971 funds tracked by Wall St. Rank held DexCom as of Q2 2026.

Based on Rock Springs Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.