XTX Topco’s Tandem Diabetes Care TNDM Stock Holding History

XTX Topco’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 Q1	$1.17M	Buy	+60,821	New	+$1.32M	0.02%	1286
2025 Q4	–	Sell	-73,545	Closed	-$893K	–	3800
2025 Q3	$893K	Buy	73,545 +54,752	+291%	+$741K	0.05%	655
2025 Q2	$350K	Buy	+18,793	New	+$372K	0.01%	1327
2025 Q1	–	Sell	-7,490	Closed	-$270K	–	3115
2024 Q4	$270K	Buy	7,490 +2,273	+44%	+$76.9K	0.02%	1308
2024 Q3	$221K	Sell	5,217 -5,550	-52%	-$235K	0.02%	1379
2024 Q2	$434K	Buy	10,767 +3,072	+40%	+$128K	0.04%	729
2024 Q1	$272K	Buy	+7,695	New	+$206K	0.04%	932
2023 Q4	–	Sell	-25,521	Closed	-$530K	–	2152
2023 Q3	$530K	Sell	25,521 -16,518	-39%	-$454K	0.09%	363
2023 Q2	$1.03M	Buy	+42,039	New	+$1.35M	0.18%	78
2021 Q4	–	Sell	-2,232	Closed	-$266K	–	1002
2021 Q3	$266K	Sell	2,232 -619	-22%	-$68.2K	0.09%	382
2021 Q2	$278K	Buy	+2,851	New	+$254K	0.09%	402

Other funds holding TNDM

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Sessa Capital New York $5.26B AUM 47.23% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

ArrowMark Colorado Holdings Denver, Colorado $3.76B AUM 21.77% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

GW&K Investment Management Boston, Massachusetts $11.3B AUM 31.98% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

Goldman Sachs New York $761B AUM 31.28% 1-Year Est. Return

Citadel Advisors

Citadel Advisors Miami, Florida $141B AUM 30.34% 1-Year Est. Return