Man Group
TNDM icon

Man Group’s Tandem Diabetes Care TNDM Stock Holding History

Man 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
Q2 		$769K Buy
+50,977
New +$890K ﹤0.01% 1937
2026
Q1 		– Sell
-12,782
Closed -$281K – 2580
2025
Q4 		$281K Buy
+12,782
New +$231K ﹤0.01% 2042
2025
Q3 		– Sell
-74,886
Closed -$1.4M – 2473
2025
Q2 		$1.4M Buy
74,886
+47,565
+174% +$942K ﹤0.01% 1531
2025
Q1 		$523K Buy
+27,321
New +$800K ﹤0.01% 1780
2024
Q3 		– Sell
-121,245
Closed -$4.88M – 2203
2024
Q2 		$4.88M Buy
121,245
+100,116
+474% +$4.18M 0.01% 1010
2024
Q1 		$748K Buy
21,129
+475
+2% +$12.7K ﹤0.01% 1646
2023
Q4 		$611K Buy
+20,654
New +$428K ﹤0.01% 1611
2023
Q3 		– Sell
-191,923
Closed -$4.71M – 2148
2023
Q2 		$4.71M Buy
+191,923
New +$6.17M 0.01% 895
2023
Q1 		– Sell
-32,842
Closed -$1.36M – 1222
2022
Q4 		$1.48M Buy
32,842
+13,429
+69% +$608K 0.01% 1207
2022
Q3 		$929K Buy
+19,413
New +$1.06M ﹤0.01% 1312
2022
Q2 		– Sell
-113,872
Closed -$9.35M – 771
2022
Q1 		$13.2M Sell
113,872
-45,534
-29% -$5.32M 0.05% 487
2021
Q4 		$24M Sell
159,406
-91,540
-36% -$12.4M 0.08% 313
2021
Q3 		$30M Sell
250,946
-29,621
-11% -$3.26M 0.11% 216
2021
Q2 		$27.3M Buy
280,567
+207,352
+283% +$18.5M 0.1% 237
2021
Q1 		$6.46M Buy
73,215
+11,307
+18% +$1.05M 0.03% 586
2020
Q4 		$5.92M Buy
61,908
+12,081
+24% +$1.25M 0.03% 717
2020
Q3 		$5.66M Sell
49,827
-18,715
-27% -$1.97M 0.02% 747
2020
Q2 		$6.78M Buy
68,542
+13,544
+25% +$1.08M 0.03% 530
2020
Q1 		$3.54M Buy
54,998
+14,700
+36% +$1.03M 0.02% 642
2019
Q4 		$2.4M Sell
40,298
-36,498
-48% -$2.25M 0.01% 1282
2019
Q3 		$4.53M Buy
76,796
+13,434
+21% +$857K 0.02% 926
2019
Q2 		$4.09M Buy
63,362
+31,320
+98% +$2.02M 0.01% 1034
2019
Q1 		$2.03M Buy
+32,042
New +$1.68M 0.01% 1328

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

Man Group's TNDM Position: Q2 2026 in Review

Man Group opened a new position in Tandem Diabetes Care (TNDM) in Q2 2026: 50,977 shares worth $769K. The stake represents ﹤0.01% of the portfolio and ranks #1937 among its holdings. This is a return to the name: Man Group previously reported a position in TNDM as recently as Q4 2025.

Man Group first reported a position in TNDM in Q1 2019 and has held it in 23 quarters since. The position peaked at $30M in Q3 2021. 274 funds tracked by Wall St. Rank hold TNDM as of Q2 2026.

  • Man Group held 50,977 shares of Tandem Diabetes Care worth $769K as of Q2 2026.
  • Tandem Diabetes Care was a new Man Group position in Q2 2026.
  • Tandem Diabetes Care made up ﹤0.01% of Man Group's portfolio in Q2 2026, its #1937 holding.
  • Man Group first reported a position in Tandem Diabetes Care in Q1 2019 and has held it in 23 quarters since.
  • Man Group's Tandem Diabetes Care position peaked at $30M in Q3 2021.
  • 274 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q2 2026.

Based on Man Group's 13F filing for Q2 2026, filed 14 Aug 2026.