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

DAFNA 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 		$5.36M Hold
355,208
– – 1.02% 26
2026
Q1 		$6.81M Hold
355,208
– – 1.55% 18
2025
Q4 		$7.81M Hold
355,208
– – 1.81% 14
2025
Q3 		$4.31M Buy
355,208
+61,000
+21% +$826K 1.07% 23
2025
Q2 		$5.48M Hold
294,208
– – 1.51% 18
2025
Q1 		$5.64M Buy
294,208
+71,000
+32% +$2.08M 1.6% 17
2024
Q4 		$8.04M Buy
223,208
+19,000
+9% +$643K 2.04% 16
2024
Q3 		$8.66M Hold
204,208
– – 2.05% 16
2024
Q2 		$8.23M Sell
204,208
-54,000
-21% -$2.25M 1.97% 18
2024
Q1 		$9.14M Buy
258,208
+37,500
+17% +$1M 2.08% 16
2023
Q4 		$6.53M Hold
220,708
– – 1.56% 20
2023
Q3 		$4.58M Buy
220,708
+110,708
+101% +$3.04M 1.43% 23
2023
Q2 		$2.7M Buy
+110,000
New +$3.54M 0.74% 37
2018
Q2 		– Sell
-60,000
Closed -$298K – 84
2018
Q1 		$298K Buy
+60,000
New +$193K 0.15% 64
2017
Q3 		– Sell
-72,429
Closed -$579K – 80
2017
Q2 		$579K Hold
72,429
– – 0.41% 53
2017
Q1 		$869K Hold
72,429
– – 0.74% 39
2016
Q4 		$1.56M Hold
72,429
– – 1.37% 29
2016
Q3 		$5.55M Buy
72,429
+41,153
+132% +$3M 3.86% 5
2016
Q2 		$2.36M Buy
31,276
+27,621
+756% +$2.22M 1.87% 17
2016
Q1 		$318K Hold
3,655
– – 0.27% 74
2015
Q4 		$432K Hold
3,655
– – 0.39% 59
2015
Q3 		$322K Buy
3,655
+56
+2% +$6.52K 0.32% 65
2015
Q2 		$390K Sell
3,599
-4,035
-53% -$502K 0.33% 56
2015
Q1 		$963K Buy
+7,634
New +$993K 0.74% 33

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

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

DAFNA Capital Management held its Tandem Diabetes Care (TNDM) position steady in Q2 2026 at 355,208 shares worth $5.36M. The position accounts for 1.02% of the portfolio, ranked #26.

DAFNA Capital Management first reported a position in TNDM in Q1 2015 and has held it in 24 quarters since. The position peaked at $9.14M in Q1 2024. 274 funds tracked by Wall St. Rank hold TNDM as of Q2 2026.

  • DAFNA Capital Management held 355,208 shares of Tandem Diabetes Care worth $5.36M as of Q2 2026.
  • DAFNA Capital Management left its Tandem Diabetes Care share count unchanged in Q2 2026.
  • Tandem Diabetes Care made up 1.02% of DAFNA Capital Management's portfolio in Q2 2026, its #26 holding.
  • DAFNA Capital Management first reported a position in Tandem Diabetes Care in Q1 2015 and has held it in 24 quarters since.
  • DAFNA Capital Management's Tandem Diabetes Care position peaked at $9.14M in Q1 2024.
  • 274 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q2 2026.

Based on DAFNA Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.