Aberdeen Group
TNDM icon

Aberdeen Group’s Tandem Diabetes Care TNDM Stock Holding History

Aberdeen 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 		$8.32M Sell
434,027
-113,008
-21% -$2.46M 0.01% 620
2025
Q4 		$12M Sell
547,035
-51,061
-9% -$922K 0.02% 577
2025
Q3 		$7.26M Buy
598,096
+241,878
+68% +$3.27M 0.01% 653
2025
Q2 		$6.64M Hold
356,218
– – 0.01% 673
2025
Q1 		$6.83M Buy
356,218
+107,354
+43% +$3.14M 0.01% 643
2024
Q4 		$8.96M Buy
248,864
+104,413
+72% +$3.53M 0.02% 531
2024
Q3 		$6.13M Buy
+144,451
New +$6.12M 0.01% 619

Other funds holding TNDM

BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
SC
Sessa Capital New York $5.26B 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 $761B AUM 31.28% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $141B AUM 30.34% 1-Year Est. Return