Dynamic Technology Lab’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	$330K	Buy	+30,369	New	+$442K	0.05%	571
2025 Q3	–	Sell	-59,641	Closed	-$662K	–	809
2025 Q2	$662K	Buy	59,641 +34,298	+135%	+$394K	0.09%	400
2025 Q1	$257K	Buy	+25,343	New	+$272K	0.04%	756
2024 Q2	–	Sell	-54,134	Closed	-$746K	–	942
2024 Q1	$746K	Buy	+54,134	New	+$803K	0.08%	442
2023 Q2	–	Sell	-13,667	Closed	-$213K	–	985
2023 Q1	$213K	Buy	+13,667	New	+$193K	0.02%	891
2022 Q4	–	Sell	-18,777	Closed	-$164K	–	1085
2022 Q3	$164K	Buy	+18,777	New	+$149K	0.02%	982
2021 Q2	–	Sell	-25,547	Closed	-$403K	–	1120
2021 Q1	$403K	Buy	+25,547	New	+$402K	0.05%	668
2020 Q2	–	Sell	-27,116	Closed	-$94K	–	967
2020 Q1	$94K	Buy	27,116 +1,011	+4%	+$5.81K	0.02%	897
2019 Q4	$185K	Buy	+26,105	New	+$168K	0.03%	848