QT
TNDM icon

Quantbot Technologies’s Tandem Diabetes Care TNDM Stock Holding History

Quantbot Technologies’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 		$55.3K Buy
3,662
+1,377
+60% +$24K ﹤0.01% 1614
2026
Q1 		$43.8K Sell
2,285
-30,671
-93% -$666K ﹤0.01% 1428
2025
Q4 		$724K Sell
32,956
-580
-2% -$10.5K 0.02% 789
2025
Q3 		$407K Buy
33,536
+91
+0.3% +$1.23K 0.01% 1098
2025
Q2 		$623K Buy
+33,445
New +$662K 0.02% 940
2024
Q3 		– Sell
-13,089
Closed -$527K – 1835
2024
Q2 		$527K Sell
13,089
-6,958
-35% -$290K 0.03% 733
2024
Q1 		$710K Buy
+20,047
New +$537K 0.04% 629
2023
Q4 		– Sell
-11,482
Closed -$238K – 1992
2023
Q3 		$238K Sell
11,482
-56,126
-83% -$1.54M 0.02% 852
2023
Q2 		$1.66M Sell
67,608
-3,776
-5% -$121K 0.11% 289
2023
Q1 		$2.9M Sell
71,384
-919
-1% -$38K 0.21% 134
2022
Q4 		$3.25M Buy
+72,303
New +$3.27M 0.23% 115
2022
Q3 		– Sell
-41,197
Closed -$2.44M – 2097
2022
Q2 		$2.44M Buy
41,197
+35,633
+640% +$2.93M 0.22% 108
2022
Q1 		$647K Buy
5,564
+5,079
+1,047% +$593K 0.06% 484
2021
Q4 		$73K Buy
+485
New +$65.5K 0.01% 947
2021
Q1 		– Sell
-19,164
Closed -$1.83M – 1759
2020
Q4 		$1.83M Buy
19,164
+16,594
+646% +$1.71M 0.19% 158
2020
Q3 		$291K Buy
+2,570
New +$270K 0.03% 491
2020
Q2 		– Sell
-2,333
Closed -$150K – 1442
2020
Q1 		$150K Sell
2,333
-4,835
-67% -$339K 0.1% 261
2019
Q4 		$427K Buy
+7,168
New +$442K 0.04% 449
2019
Q3 		– Sell
-29,310
Closed -$1.89M – 1571
2019
Q2 		$1.89M Buy
29,310
+28,679
+4,545% +$1.85M 0.19% 149
2019
Q1 		$40K Buy
+631
New +$33.1K ﹤0.01% 863

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

Quantbot Technologies's TNDM Position: Q2 2026 in Review

Quantbot Technologies increased its Tandem Diabetes Care (TNDM) stake by 60% in Q2 2026, buying an estimated $24K and bringing the position to 3,662 shares worth $55.3K. The position accounts for ﹤0.01% of the portfolio, ranked #1614.

Quantbot Technologies first reported a position in TNDM in Q1 2019 and has held it in 20 quarters since. The position peaked at $3.25M in Q4 2022. 274 funds tracked by Wall St. Rank hold TNDM as of Q2 2026.

  • Quantbot Technologies held 3,662 shares of Tandem Diabetes Care worth $55.3K as of Q2 2026.
  • Quantbot Technologies bought 1,377 Tandem Diabetes Care shares in Q2 2026, an estimated $24K.
  • Tandem Diabetes Care made up ﹤0.01% of Quantbot Technologies's portfolio in Q2 2026, its #1614 holding.
  • Quantbot Technologies first reported a position in Tandem Diabetes Care in Q1 2019 and has held it in 20 quarters since.
  • Quantbot Technologies's Tandem Diabetes Care position peaked at $3.25M in Q4 2022.
  • 274 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q2 2026.

Based on Quantbot Technologies's 13F filing for Q2 2026, filed 12 Aug 2026.