Granite Investment Partners’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	$13M	Buy	1,195,156 +54,043	+5%	+$787K	0.8%	31
2025 Q4	$24M	Sell	1,141,113 -238,917	-17%	-$4.42M	1.42%	12
2025 Q3	$20.1M	Sell	1,380,030 -340,914	-20%	-$4.75M	1.14%	19
2025 Q2	$19.1M	Buy	1,720,944 +1,311,748	+321%	+$15.1M	0.93%	31
2025 Q1	$4.15M	Sell	409,196 -165,347	-29%	-$1.77M	0.21%	130
2024 Q4	$5.27M	Sell	574,543 -302,434	-34%	-$2.41M	0.23%	124
2024 Q3	$4.88M	Buy	876,977 +212,776	+32%	+$1.63M	0.21%	136
2024 Q2	$6.94M	Buy	664,201 +375,621	+130%	+$4.37M	0.29%	111
2024 Q1	$3.98M	Buy	+288,580	New	+$4.28M	0.15%	170
2015 Q3	–	Sell	-29,967	Closed	-$496K	–	296
2015 Q2	$496K	Buy	+29,967	New	+$499K	0.05%	267
2014 Q1	–	Sell	-13,058	Closed	-$315K	–	258
2013 Q4	$315K	Hold	13,058	–	–	0.05%	228
2013 Q3	$309K	Sell	13,058 -119	-0.9%	-$3.01K	0.05%	227
2013 Q2	$324K	Buy	+13,177	New	+$306K	0.06%	216