WG
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Winton Group’s Tandem Diabetes Care TNDM Stock Holding History

Winton 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 		– Sell
-44,244
Closed -$972K – 1374
2025
Q4 		$972K Buy
+44,244
New +$798K 0.03% 489
2022
Q3 		– Sell
-10,521
Closed -$623K – 1087
2022
Q2 		$623K Sell
10,521
-2,756
-21% -$226K 0.03% 634
2022
Q1 		$1.54M Sell
13,277
-1,536
-10% -$179K 0.08% 330
2021
Q4 		$2.23M Sell
14,813
-3,786
-20% -$511K 0.14% 191
2021
Q3 		$2.22M Sell
18,599
-1,000
-5% -$110K 0.12% 150
2021
Q2 		$1.91M Buy
19,599
+10,278
+110% +$916K 0.1% 209
2021
Q1 		$823K Buy
9,321
+4,991
+115% +$464K 0.05% 578
2020
Q4 		$414K Buy
4,330
+764
+21% +$78.7K 0.03% 878
2020
Q3 		$405K Buy
+3,566
New +$375K 0.01% 1170

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