Alyeska Investment Group

Alyeska Investment Group’s Adtran ADTN Stock Holding History

Alyeska Investment Group’s Portfolio ADTN Stock Details ADTN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-545,464	Closed	-$4.74M	–	607
2025 Q4	$4.74M	Sell	545,464 -538,565	-50%	-$4.67M	0.01%	466
2025 Q3	$10.2M	Buy	+1,084,029	New	+$10.1M	0.03%	375
2025 Q2	–	Sell	-445,264	Closed	-$3.88M	–	547
2025 Q1	$3.88M	Buy	+445,264	New	+$4.48M	0.02%	377
2024 Q3	–	Sell	-570,066	Closed	-$3M	–	517
2024 Q2	$3M	Buy	+570,066	New	+$2.9M	0.02%	380
2020 Q3	–	Sell	-428,807	Closed	-$4.69M	–	452
2020 Q2	$4.69M	Buy	+428,807	New	+$4.43M	0.07%	274
2016 Q4	–	Sell	-530,638	Closed	-$10.2M	–	465
2016 Q3	$10.2M	Buy	+530,638	New	+$9.78M	0.09%	265
2016 Q1	–	Sell	-813,931	Closed	-$14M	–	380
2015 Q4	$14M	Sell	813,931 -538,553	-40%	-$8.57M	0.15%	196
2015 Q3	$19.7M	Buy	1,352,484 +648,049	+92%	+$10.2M	0.23%	157
2015 Q2	$11.4M	Sell	704,435 -122,673	-15%	-$2.1M	0.15%	213
2015 Q1	$15.4M	Buy	827,108 +193,144	+30%	+$4.11M	0.24%	177
2014 Q4	$13.8M	Buy	+633,964	New	+$13M	0.25%	160

Other funds holding ADTN

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return

DnB Asset Management

DnB Asset Management Oslo, Norway $28B AUM 26% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

William Blair Investment Management

William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return

Millennium Management

Millennium Management New York $134B AUM 35.51% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Geode Capital Management

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return