CRAMER ROSENTHAL MCGLYNN LLC

Position in ADTN — ADTRAN Holdings, Inc.

CIK 820743 STAMFORD, CT

Position in ADTN

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$3,612,699

New position

Shares Held

287,178

first reported quarter

Ownership

0.352%

of shares outstanding

% of Portfolio

0.27%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2026

1 quarter on record

Voting authority Sole 68% Shared 0% None 32%

Technology · as of Jun 30, 2026

CRAMER ROSENTHAL MCGLYNN LLC holds $18,068,472 across 2 Communication Equipment names.

#	Ticker	Company	Shares	Value (USD)	Open
1	CIEN	Ciena Corp	21,869	$10,728,056
2	VIAV	Viavi Solutions Inc.	153,726	$7,340,416

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,612,699	287,178	—	Shares	Sole	2026-05-15
No filing history on record for this holder in this stock.