DTL
TNDM icon

Dynamic Technology Lab’s Tandem Diabetes Care TNDM Stock Holding History

Dynamic Technology Lab’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 		– Sell
-27,886
Closed -$535K – 1084
2026
Q1 		$535K Buy
+27,886
New +$606K 0.09% 396
2025
Q3 		– Sell
-26,143
Closed -$488K – 1218
2025
Q2 		$488K Buy
26,143
+14,377
+122% +$285K 0.07% 518
2025
Q1 		$225K Buy
+11,766
New +$344K 0.03% 807
2024
Q3 		– Sell
-14,443
Closed -$582K – 1357
2024
Q2 		$582K Buy
14,443
+5,850
+68% +$244K 0.07% 459
2024
Q1 		$304K Buy
+8,593
New +$230K 0.03% 776
2023
Q3 		– Sell
-12,640
Closed -$310K – 1328
2023
Q2 		$310K Buy
+12,640
New +$407K 0.04% 694
2022
Q4 		– Sell
-8,520
Closed -$408K – 1522
2022
Q3 		$408K Sell
8,520
-11,740
-58% -$644K 0.04% 705
2022
Q2 		$1.2M Buy
20,260
+13,680
+208% +$1.12M 0.14% 253
2022
Q1 		$766K Buy
+6,580
New +$768K 0.09% 400
2021
Q3 		– Sell
-3,870
Closed -$377K – 1465
2021
Q2 		$377K Buy
+3,870
New +$345K 0.04% 687
2020
Q4 		– Sell
-6,202
Closed -$704K – 1358
2020
Q3 		$704K Buy
+6,202
New +$652K 0.11% 315
2019
Q2 		– Sell
-16,142
Closed -$1.02M – 1282
2019
Q1 		$1.02M Buy
+16,142
New +$848K 0.17% 174
2018
Q4 		– Sell
-52,256
Closed -$2.24M – 1313
2018
Q3 		$2.24M Buy
+52,256
New +$1.82M 0.31% 38

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

Dynamic Technology Lab's TNDM Position: Q2 2026 in Review

Dynamic Technology Lab sold out of Tandem Diabetes Care (TNDM) in Q2 2026, closing a stake of 27,886 shares — an estimated $535K sold.

Dynamic Technology Lab first reported a position in TNDM in Q3 2018 and held it in 13 quarters. The position peaked at $2.24M in Q3 2018. 274 funds tracked by Wall St. Rank hold TNDM as of Q2 2026.

  • Dynamic Technology Lab reported no remaining Tandem Diabetes Care position as of Q2 2026 after selling out during the quarter.
  • Dynamic Technology Lab sold 27,886 Tandem Diabetes Care shares in Q2 2026, an estimated $535K.
  • Dynamic Technology Lab first reported a position in Tandem Diabetes Care in Q3 2018 and held it in 13 quarters.
  • Dynamic Technology Lab's Tandem Diabetes Care position peaked at $2.24M in Q3 2018.
  • 274 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q2 2026.

Based on Dynamic Technology Lab's 13F filing for Q2 2026, filed 13 Aug 2026.