Vanguard Asset Management
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Vanguard Asset Management’s Tandem Diabetes Care TNDM Stock Holding History

Vanguard Asset Management’s Portfolio TNDM Stock Details TNDM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$880K Hold
58,288
– – ﹤0.01% 1943
2026
Q1 		$1.12M Buy
+58,288
New +$1.27M ﹤0.01% 1740

Other funds holding TNDM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
FLAM
First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
GKIM
GW&K Investment Management Boston, Massachusetts $12.8B AUM 48.82% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return
PIM
Paradice Investment Management Denver, Colorado $627M AUM 43.41% 1-Year Est. Return
FGP
Freestone Grove Partners San Francisco, California $15.6B AUM 27.39% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Asset Management's TNDM Position: Q2 2026 in Review

Vanguard Asset Management held its Tandem Diabetes Care (TNDM) position steady in Q2 2026 at 58,288 shares worth $880K. The position accounts for ﹤0.01% of the portfolio, ranked #1943.

Vanguard Asset Management first reported a position in TNDM in Q1 2026 and has held it in 2 quarters since. The position peaked at $1.12M in Q1 2026. 252 funds tracked by Wall St. Rank hold TNDM as of Q2 2026.

  • Vanguard Asset Management held 58,288 shares of Tandem Diabetes Care worth $880K as of Q2 2026.
  • Vanguard Asset Management left its Tandem Diabetes Care share count unchanged in Q2 2026.
  • Tandem Diabetes Care made up ﹤0.01% of Vanguard Asset Management's portfolio in Q2 2026, its #1943 holding.
  • Vanguard Asset Management first reported a position in Tandem Diabetes Care in Q1 2026 and has held it in 2 quarters since.
  • Vanguard Asset Management's Tandem Diabetes Care position peaked at $1.12M in Q1 2026.
  • 252 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q2 2026.

Based on Vanguard Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.