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Summit Securities Group’s Tandem Diabetes Care TNDM Stock Holding History

Summit Securities 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
2022
Q1 		– Sell
-1,500
Closed -$226K – 1353
2021
Q4 		$226K Buy
+1,500
New +$202K 0.01% 576

Other funds holding TNDM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
SC
Sessa Capital New York $5.51B AUM 47.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
ACH
ArrowMark Colorado Holdings Denver, Colorado $3.76B AUM 21.77% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
GKIM
GW&K Investment Management Boston, Massachusetts $11.3B AUM 31.98% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Summit Securities Group's TNDM Position: Q1 2026 in Review

Summit Securities Group sold out of Tandem Diabetes Care (TNDM) in Q1 2026, closing a stake of 432 shares — an estimated $9.49K sold.

Summit Securities Group first reported a position in TNDM in Q2 2025 and held it in 2 quarters. The position peaked at $115K in Q2 2025. 272 funds tracked by Wall St. Rank hold TNDM as of Q1 2026.

  • Summit Securities Group reported no remaining Tandem Diabetes Care position as of Q1 2026 after selling out during the quarter.
  • Summit Securities Group sold 432 Tandem Diabetes Care shares in Q1 2026, an estimated $9.49K.
  • Summit Securities Group first reported a position in Tandem Diabetes Care in Q2 2025 and held it in 2 quarters.
  • Summit Securities Group's Tandem Diabetes Care position peaked at $115K in Q2 2025.
  • 272 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q1 2026.

Based on Summit Securities Group's 13F filing for Q1 2026, filed 30 Apr 2026.