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Cornerstone Planning Group’s Tandem Diabetes Care TNDM Stock Holding History

Cornerstone Planning Group’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 		$676 Hold
40
– – ﹤0.01% 1605
2026
Q1 		$777 Hold
40
– – ﹤0.01% 1529
2025
Q4 		$764 Sell
40
-83
-67% -$1.5K ﹤0.01% 1405
2025
Q3 		$18.7K Buy
+123
New +$1.67K ﹤0.01% 606

Other funds holding TNDM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SC
Sessa Capital New York $5.98B AUM 99.85% 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
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return

Cornerstone Planning Group's TNDM Position: Q2 2026 in Review

Cornerstone Planning Group held its Tandem Diabetes Care (TNDM) position steady in Q2 2026 at 40 shares worth $676. The position accounts for ﹤0.01% of the portfolio, ranked #1605.

Cornerstone Planning Group first reported a position in TNDM in Q3 2025 and has held it in 4 quarters since. The position peaked at $18.7K in Q3 2025. 274 funds tracked by Wall St. Rank hold TNDM as of Q2 2026.

  • Cornerstone Planning Group held 40 shares of Tandem Diabetes Care worth $676 as of Q2 2026.
  • Cornerstone Planning Group left its Tandem Diabetes Care share count unchanged in Q2 2026.
  • Tandem Diabetes Care made up ﹤0.01% of Cornerstone Planning Group's portfolio in Q2 2026, its #1605 holding.
  • Cornerstone Planning Group first reported a position in Tandem Diabetes Care in Q3 2025 and has held it in 4 quarters since.
  • Cornerstone Planning Group's Tandem Diabetes Care position peaked at $18.7K in Q3 2025.
  • 274 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q2 2026.

Based on Cornerstone Planning Group's 13F filing for Q2 2026, filed 29 Jul 2026.