Qube Research & Technologies (QRT)’s Adtran ADTN Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$3.4M	Buy	269,945 +171,837	+175%	+$1.74M	﹤0.01%	1860
2025 Q4	$853K	Sell	98,108 -186,247	-65%	-$1.62M	﹤0.01%	2622
2025 Q3	$2.67M	Sell	284,355 -402,356	-59%	-$3.75M	﹤0.01%	2097
2025 Q2	$6.16M	Buy	686,711 +360,841	+111%	+$2.88M	0.01%	1580
2025 Q1	$2.84M	Buy	325,870 +226,298	+227%	+$2.28M	﹤0.01%	1816
2024 Q4	$829K	Sell	99,572 -58,763	-37%	-$434K	﹤0.01%	2265
2024 Q3	$939K	Sell	158,335 -65,120	-29%	-$362K	﹤0.01%	2050
2024 Q2	$1.18M	Buy	223,455 +180,785	+424%	+$921K	﹤0.01%	1822
2024 Q1	$232K	Buy	+42,670	New	+$272K	﹤0.01%	2949
2023 Q3	–	Sell	-30,879	Closed	-$325K	–	4063
2023 Q2	$325K	Sell	30,879 -20,939	-40%	-$208K	﹤0.01%	1636
2023 Q1	$822K	Buy	+51,818	New	+$899K	﹤0.01%	1369
2022 Q2	–	Sell	-47,415	Closed	-$875K	–	2437
2022 Q1	$875K	Buy	+47,415	New	+$939K	0.01%	1236
2020 Q1	–	Sell	-20,165	Closed	-$199K	–	1078
2019 Q4	$199K	Buy	+20,165	New	+$192K	0.01%	1395