<SEC-DOCUMENT>0000950170-25-078965-index.html : 20250529
<SEC-HEADER>0000950170-25-078965.hdr.sgml : 20250529
<ACCEPTANCE-DATETIME>20250529161451
ACCESSION NUMBER:		0000950170-25-078965
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		2
<RULE>
<RULE-NAME>13q-1
<ITEM>
<ITEM-NUMBER>2.01
<ITEM-PERIOD>20241231
</ITEM>
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<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20241231
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<ITEM>
<ITEM-NUMBER>1.02
<ITEM-PERIOD>20241231
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<RESOURCE-EXT-ISSUER>Y
FILED AS OF DATE:		20250529
DATE AS OF CHANGE:		20250529

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADTRAN Holdings, Inc.
		CENTRAL INDEX KEY:			0000926282
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				872164282
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41446
		FILM NUMBER:		251003522

	BUSINESS ADDRESS:	
		STREET 1:		901 EXPLORER BLVD
		CITY:			HUNTSVILLE
		STATE:			AL
		ZIP:			35806
		BUSINESS PHONE:		256-963-8220

	MAIL ADDRESS:	
		STREET 1:		901 EXPLORER BLVD
		CITY:			HUNTSVILLE
		STATE:			AL
		ZIP:			35806

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADTRAN INC
		DATE OF NAME CHANGE:	19940705
</SEC-HEADER>
<DOCUMENT>
<TYPE>SD
<SEQUENCE>1
<FILENAME>25_specialized_disclosur.htm
<DESCRIPTION>SD
<TEXT>
Document 1 - file: 25_specialized_disclosur.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.01
<SEQUENCE>2
<FILENAME>adtn-ex1_01.htm
<DESCRIPTION>EX-1.01
<TEXT>
Document 2 - file: adtn-ex1_01.htm

</DOCUMENT>
</SEC-DOCUMENT>