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Quantinno Capital Management’s Tandem Diabetes Care TNDM Stock Holding History

Quantinno Capital Management’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 		$4.63M Sell
306,660
-347,210
-53% -$6.06M 0.01% 1326
2026
Q1 		$12.5M Buy
653,870
+361,361
+124% +$7.85M 0.02% 786
2025
Q4 		$6.43M Buy
292,509
+91,716
+46% +$1.66M 0.01% 947
2025
Q3 		$2.44M Sell
200,793
-118,866
-37% -$1.61M 0.01% 1164
2025
Q2 		$5.96M Buy
319,659
+77,828
+32% +$1.54M 0.03% 735
2025
Q1 		$4.63M Buy
241,831
+190,219
+369% +$5.57M 0.03% 683
2024
Q4 		$1.86M Buy
51,612
+20,467
+66% +$692K 0.02% 878
2024
Q3 		$1.32M Buy
31,145
+9,385
+43% +$398K 0.02% 854
2024
Q2 		$877K Buy
21,760
+9,845
+83% +$411K 0.02% 849
2024
Q1 		$422K Buy
11,915
+4,804
+68% +$129K 0.01% 994
2023
Q4 		$210K Buy
+7,111
New +$148K 0.01% 1042
2022
Q1 		– Sell
-2,735
Closed -$412K – 582
2021
Q4 		$412K Buy
+2,735
New +$369K 0.07% 307

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

Quantinno Capital Management's TNDM Position: Q2 2026 in Review

Quantinno Capital Management reduced its Tandem Diabetes Care (TNDM) stake by 53% in Q2 2026, selling an estimated $6.06M and leaving 306,660 shares worth $4.63M. The position accounts for 0.01% of the portfolio, ranked #1326.

Quantinno Capital Management first reported a position in TNDM in Q4 2021 and has held it in 12 quarters since. The position peaked at $12.5M in Q1 2026. 274 funds tracked by Wall St. Rank hold TNDM as of Q2 2026.

  • Quantinno Capital Management held 306,660 shares of Tandem Diabetes Care worth $4.63M as of Q2 2026.
  • Quantinno Capital Management sold 347,210 Tandem Diabetes Care shares in Q2 2026, an estimated $6.06M.
  • Tandem Diabetes Care made up 0.01% of Quantinno Capital Management's portfolio in Q2 2026, its #1326 holding.
  • Quantinno Capital Management first reported a position in Tandem Diabetes Care in Q4 2021 and has held it in 12 quarters since.
  • Quantinno Capital Management's Tandem Diabetes Care position peaked at $12.5M in Q1 2026.
  • 274 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q2 2026.

Based on Quantinno Capital Management's 13F filing for Q2 2026, filed 13 Aug 2026.