UBS Group
TNDM icon

UBS Group’s Tandem Diabetes Care TNDM Stock Holding History

UBS 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
Q1 		$99.3M Buy
5,178,570
+2,433,258
+89% +$52.9M 0.01% 1056
2025
Q4 		$60.3M Hold
2,745,312
– – 0.01% 1431
2025
Q3 		$33.3M Hold
2,745,312
– – 0.01% 2031
2025
Q2 		$51.2M Hold
2,745,312
– – 0.01% 1504
2025
Q1 		$52.6M Hold
2,745,312
– – 0.01% 1435
2024
Q4 		$98.9M Hold
2,745,312
– – 0.02% 938
2024
Q3 		$116M Hold
2,745,312
– – 0.03% 653
2024
Q2 		$111M Hold
2,745,312
– – 0.03% 599
2024
Q1 		$97.2M Buy
+2,745,312
New +$73.6M 0.02% 660

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

UBS Group's TNDM Position: Q1 2026 in Review

UBS Group increased its Tandem Diabetes Care (TNDM) stake by 390% in Q1 2026, buying an estimated $35.4M and bringing the position to 2,047,801 shares worth $39.3M. The position accounts for 0.01% of the portfolio, ranked #1883.

UBS Group first reported a position in TNDM in Q4 2014 and has held it in 46 quarters since. The position peaked at $60.9M in Q4 2021. 272 funds tracked by Wall St. Rank hold TNDM as of Q1 2026.

  • UBS Group held 2,047,801 shares of Tandem Diabetes Care worth $39.3M as of Q1 2026.
  • UBS Group bought 1,629,968 Tandem Diabetes Care shares in Q1 2026, an estimated $35.4M.
  • Tandem Diabetes Care made up 0.01% of UBS Group's portfolio in Q1 2026, its #1883 holding.
  • UBS Group first reported a position in Tandem Diabetes Care in Q4 2014 and has held it in 46 quarters since.
  • UBS Group's Tandem Diabetes Care position peaked at $60.9M in Q4 2021.
  • 272 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q1 2026.

Based on UBS Group's 13F filing for Q1 2026, filed 5 May 2026.