Oppenheimer Asset Management’s Alphatec Holdings ATEC Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-15,075	Closed	-$317K	–	1119
2025 Q4	$317K	Buy	15,075 +1,353	+10%	+$25K	﹤0.01%	906
2025 Q3	$200K	Sell	13,722 -522	-4%	-$7.27K	﹤0.01%	1103
2025 Q2	$158K	Buy	14,244 +1,100	+8%	+$12.6K	﹤0.01%	1121
2025 Q1	$133K	Buy	13,144 +1,552	+13%	+$16.7K	﹤0.01%	1095
2024 Q4	$106K	Buy	+11,592	New	+$92.5K	﹤0.01%	1134
2024 Q3	–	Sell	-11,840	Closed	-$124K	–	1164
2024 Q2	$124K	Buy	11,840 +1,026	+9%	+$11.9K	﹤0.01%	1135
2024 Q1	$149K	Buy	10,814 +242	+2%	+$3.59K	﹤0.01%	1051
2023 Q4	$160K	Sell	10,572 -3,414	-24%	-$40.8K	﹤0.01%	1116
2023 Q3	$181K	Sell	13,986 -419	-3%	-$6.56K	﹤0.01%	1077
2023 Q2	$259K	Hold	14,405	–	–	﹤0.01%	999
2023 Q1	$225K	Buy	+14,405	New	+$204K	﹤0.01%	1028
2020 Q2	–	Sell	-9,414	Closed	-$32K	–	1102
2020 Q1	$32K	Buy	+9,414	New	+$54.1K	﹤0.01%	1323