Trexquant Investment’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	$4.97M	Buy	457,237 +37,355	+9%	+$544K	0.04%	648
2025 Q4	$8.83M	Sell	419,882 -24,377	-5%	-$451K	0.08%	357
2025 Q3	$6.46M	Buy	444,259 +201,255	+83%	+$2.8M	0.07%	443
2025 Q2	$2.7M	Buy	243,004 +113,508	+88%	+$1.3M	0.03%	780
2025 Q1	$1.31M	Buy	+129,496	New	+$1.39M	0.02%	1012
2024 Q3	–	Sell	-91,367	Closed	-$955K	–	1524
2024 Q2	$955K	Sell	91,367 -95,325	-51%	-$1.11M	0.01%	1013
2024 Q1	$2.57M	Buy	186,692 +111,109	+147%	+$1.65M	0.05%	563
2023 Q4	$1.14M	Buy	+75,583	New	+$903K	0.03%	775
2023 Q2	–	Sell	-83,143	Closed	-$1.3M	–	1422
2023 Q1	$1.3M	Sell	83,143 -29,501	-26%	-$417K	0.04%	623
2022 Q4	$1.39M	Buy	112,644 +74,913	+199%	+$755K	0.04%	530
2022 Q3	$330K	Sell	37,731 -137,172	-78%	-$1.09M	0.01%	987
2022 Q2	$1.14M	Buy	174,903 +114,760	+191%	+$1.06M	0.05%	458
2022 Q1	$692K	Buy	+60,143	New	+$650K	0.03%	624
2021 Q2	–	Sell	-10,976	Closed	-$173K	–	1084
2021 Q1	$173K	Sell	10,976 -12,488	-53%	-$197K	0.02%	997
2020 Q4	$341K	Buy	+23,464	New	+$248K	0.04%	619