STATE OF WISCONSIN INVESTMENT BOARD

Position in ADTN — ADTRAN Holdings, Inc.

CIK 854157 MADISON, WI

Position in ADTN

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

Position Value

$3,141,301

+$789,883 QoQ

Shares Held

249,706

-7.7% QoQ

Ownership

0.308%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2022

11 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Mar 31, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $361,847,029 across 19 Communication Equipment names. ADTN ranks #13 (0.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CSCO	Cisco Systems, Inc.	2,205,020	$171,087,501
2	MSI	Motorola Solutions, Inc.	89,885	$39,007,393
3	CIEN	Ciena Corp	96,326	$37,396,642
4	LITE	Lumentum Holdings Inc.	44,517	$31,284,766
5	HPE	Hewlett Packard Enterprise Co	726,989	$17,309,608
6	ZBRA	Zebra Technologies Corp	53,714	$11,230,523
7	ASTS	AST SpaceMobile, Inc.	117,293	$9,720,070
8	DGII	Digi International Inc	167,472	$8,072,150

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,141,301	249,706	-7.7%	Shares	Sole	2026-05-15
2025-12-31	$2,351,418	270,589	+7.6%	Shares	Sole	2026-02-17
2025-09-30	$2,359,614	251,558	+8.8%	Shares	Sole	2025-11-14
2025-06-30	$2,073,020	231,106	+523.5%	Shares	Sole	2025-08-14
2025-03-31	$323,189	37,063	-51.7%	Shares	Sole	2025-05-15
2023-12-31	$562,882	76,687	+30.8%	Shares	Sole	2024-02-12
2023-09-30	$482,352	58,609	-31.7%	Shares	Sole	2023-11-14
2023-06-30	$903,905	85,841	-5.4%	Shares	Sole	2023-08-14
2023-03-31	$1,438,930	90,727	-9.0%	Shares	Sole	2023-05-15
2022-12-31	$1,873,663	99,716	-6.0%	Shares	Sole	2023-02-14
2022-09-30	$2,076,498	106,052	—	Shares	Sole	2022-11-14
No filing history on record for this holder in this stock.