Quantbot Technologies’s Alphatec Holdings ATEC Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-184,041	Closed	-$2.68M	–	1699
2025 Q3	$2.68M	Buy	184,041 +162,282	+746%	+$2.26M	0.07%	435
2025 Q2	$242K	Buy	+21,759	New	+$250K	0.01%	1178
2024 Q1	–	Sell	-68,896	Closed	-$1.04M	–	1542
2023 Q4	$1.04M	Buy	68,896 +1,462	+2%	+$17.5K	0.06%	473
2023 Q3	$875K	Sell	67,434 -16,790	-20%	-$263K	0.06%	460
2023 Q2	$1.51M	Buy	84,224 +12,016	+17%	+$187K	0.1%	321
2023 Q1	$1.13M	Buy	72,208 +34,897	+94%	+$493K	0.08%	370
2022 Q4	$461K	Buy	37,311 +30,559	+453%	+$308K	0.03%	598
2022 Q3	$59K	Buy	+6,752	New	+$53.4K	﹤0.01%	1214
2022 Q2	–	Sell	-5,750	Closed	-$66K	–	1688
2022 Q1	$66K	Buy	+5,750	New	+$62.2K	0.01%	1137
2021 Q4	–	Sell	-2,533	Closed	-$30K	–	1487
2021 Q3	$30K	Sell	2,533 -418	-14%	-$5.83K	﹤0.01%	1197
2021 Q2	$45K	Buy	2,951 +1,179	+67%	+$18.2K	﹤0.01%	1083
2021 Q1	$27K	Buy	1,772 +663	+60%	+$10.4K	﹤0.01%	1120
2020 Q4	$16K	Buy	1,109 +309	+39%	+$3.26K	﹤0.01%	1041
2020 Q3	$5K	Buy	+800	New	+$4.51K	﹤0.01%	1179