D.E. Shaw & Co’s Tandem Diabetes Care TNDM Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-70,000	Closed	-$1.54M	–	5065
2025 Q4	$1.54M	Hold	70,000	–	–	﹤0.01%	3255
2025 Q3	$850K	Buy	+70,000	New	+$948K	﹤0.01%	3557
2025 Q1	–	Sell	-17,000	Closed	-$612K	–	4755
2024 Q4	$612K	Buy	+17,000	New	+$575K	﹤0.01%	3491
2024 Q1	–	Sell	-136,500	Closed	-$4.04M	–	4744
2023 Q4	$4.04M	Buy	136,500 +106,500	+355%	+$2.21M	﹤0.01%	2085
2023 Q3	$623K	Sell	30,000 -11,700	-28%	-$321K	﹤0.01%	3337
2023 Q2	$1.02M	Buy	+41,700	New	+$1.34M	﹤0.01%	3074
2023 Q1	–	Sell	-40,000	Closed	-$1.8M	–	4863
2022 Q4	$1.8M	Buy	+40,000	New	+$1.81M	﹤0.01%	3020
2022 Q2	–	Sell	-48,200	Closed	-$5.61M	–	5777
2022 Q1	$5.61M	Sell	48,200 -25,000	-34%	-$2.92M	0.01%	2178
2021 Q4	$11M	Buy	73,200 +24,300	+50%	+$3.28M	0.01%	1583
2021 Q3	$5.84M	Hold	48,900	–	–	0.01%	1962
2021 Q2	$4.76M	Buy	48,900 +28,900	+145%	+$2.58M	﹤0.01%	2091
2021 Q1	$1.76M	Buy	+20,000	New	+$1.86M	﹤0.01%	2690
2020 Q4	–	Sell	-21,300	Closed	-$2.42M	–	4169
2020 Q3	$2.42M	Buy	+21,300	New	+$2.24M	﹤0.01%	2255
2019 Q4	–	Sell	-8,700	Closed	-$513K	–	4179
2019 Q3	$513K	Sell	8,700 -30,600	-78%	-$1.95M	﹤0.01%	3211
2019 Q2	$2.54M	Buy	39,300 +1,500	+4%	+$96.8K	﹤0.01%	2072
2019 Q1	$2.4M	Sell	37,800 -284,800	-88%	-$15M	﹤0.01%	2031
2018 Q4	$12.2M	Buy	322,600 +226,600	+236%	+$8M	0.02%	961
2018 Q3	$4.11M	Buy	+96,000	New	+$3.35M	﹤0.01%	1710