Qube Research & Technologies (QRT)’s Tandem Diabetes Care TNDM Stock Holding History

Qube Research & Technologies (QRT)’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	$10.3M	Buy	683,823 +631,862	+1,216%	+$11M	0.01%	1268
2026 Q1	$996K	Buy	+51,961	New	+$1.13M	﹤0.01%	2500
2024 Q4	–	Sell	-42,193	Closed	-$1.79M	–	3824
2024 Q3	$1.79M	Buy	+42,193	New	+$1.79M	﹤0.01%	1797
2024 Q2	–	Sell	-12,722	Closed	-$450K	–	4714
2024 Q1	$450K	Buy	+12,722	New	+$341K	﹤0.01%	2588
2023 Q1	–	Sell	-66,837	Closed	-$3M	–	3021
2022 Q4	$3M	Buy	+66,837	New	+$3.03M	0.02%	801
2022 Q3	–	Sell	-215,247	Closed	-$12.7M	–	3025
2022 Q2	$12.7M	Buy	215,247 +165,978	+337%	+$13.6M	0.09%	263
2022 Q1	$5.73M	Buy	+49,269	New	+$5.75M	0.05%	483
2021 Q1	–	Sell	-12,020	Closed	-$1.15M	–	2418
2020 Q4	$1.15M	Sell	12,020 -39,586	-77%	-$4.08M	0.02%	831
2020 Q3	$5.86M	Sell	51,606 -44,277	-46%	-$4.65M	0.08%	309
2020 Q2	$9.48M	Buy	95,883 +89,795	+1,475%	+$7.17M	0.14%	175
2020 Q1	$392K	Buy	+6,088	New	+$427K	0.02%	653

Other funds holding TNDM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Sessa Capital New York $5.98B AUM 99.85% 1-Year Est. Return

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 Malvern, Pennsylvania $4.68T AUM

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 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 Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return

Qube Research & Technologies (QRT)'s TNDM Position: Q2 2026 in Review

Qube Research & Technologies (QRT) increased its Tandem Diabetes Care (TNDM) stake by 1,216% in Q2 2026, buying an estimated $11M and bringing the position to 683,823 shares worth $10.3M. The position accounts for 0.01% of the portfolio, ranked #1268.

Qube Research & Technologies (QRT) first reported a position in TNDM in Q1 2020 and has held it in 11 quarters since. The position peaked at $12.7M in Q2 2022. 274 funds tracked by Wall St. Rank hold TNDM as of Q2 2026.

Qube Research & Technologies (QRT) held 683,823 shares of Tandem Diabetes Care worth $10.3M as of Q2 2026.
Qube Research & Technologies (QRT) bought 631,862 Tandem Diabetes Care shares in Q2 2026, an estimated $11M.
Tandem Diabetes Care made up 0.01% of Qube Research & Technologies (QRT)'s portfolio in Q2 2026, its #1268 holding.
Qube Research & Technologies (QRT) first reported a position in Tandem Diabetes Care in Q1 2020 and has held it in 11 quarters since.
Qube Research & Technologies (QRT)'s Tandem Diabetes Care position peaked at $12.7M in Q2 2022.
274 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q2 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q2 2026, filed 14 Aug 2026.