Oppenheimer Asset Management’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	$782K	Buy	40,791 +2,851	+8%	+$61.9K	0.01%	782
2025 Q4	$834K	Sell	37,940 -3,555	-9%	-$64.2K	0.01%	717
2025 Q3	$504K	Sell	41,495 -12,546	-23%	-$170K	0.01%	897
2025 Q2	$1.01M	Sell	54,041 -18,711	-26%	-$371K	0.01%	748
2025 Q1	$1.39M	Buy	72,752 +11,048	+18%	+$323K	0.02%	633
2024 Q4	$2.22M	Buy	61,704 +2,612	+4%	+$88.4K	0.03%	498
2024 Q3	$2.51M	Buy	59,092 +9,899	+20%	+$420K	0.03%	478
2024 Q2	$1.98M	Buy	49,193 +8,813	+22%	+$368K	0.03%	525
2024 Q1	$1.43M	Buy	40,380 +13,277	+49%	+$356K	0.02%	588
2023 Q4	$802K	Buy	+27,103	New	+$562K	0.01%	767
2023 Q2	–	Sell	-5,259	Closed	-$214K	–	1164
2023 Q1	$214K	Buy	+5,259	New	+$218K	﹤0.01%	1040
2020 Q1	–	Sell	-296	Closed	-$18K	–	1634
2019 Q4	$18K	Sell	296 -91	-24%	-$5.61K	﹤0.01%	1463
2019 Q3	$23K	Buy	387 +31	+9%	+$1.98K	﹤0.01%	1448
2019 Q2	$23K	Buy	356 +102	+40%	+$6.58K	﹤0.01%	1464
2019 Q1	$16K	Sell	254 -112	-31%	-$5.88K	﹤0.01%	1472
2018 Q4	$14K	Buy	+366	New	+$12.9K	﹤0.01%	1492
2017 Q2	–	Sell	-2	Closed	–	–	1723
2017 Q1	$0	Buy	+2	New	+$44	﹤0.01%	1697