Connor, Clark & Lunn Investment Management Ltd.

Position in ADTN — ADTRAN Holdings, Inc.

CIK 1596800 VANCOUVER, A1

Back to ADTN Full portfolio

Position in ADTN

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$7,049,177

+$3,875,364 QoQ

Shares Held

560,348

+53.4% QoQ

Ownership

0.692%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2022

9 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in ADTN Over Time

Shares Held

Position Value (USD)

Position in Communication Equipment

Technology · as of Mar 31, 2026

Connor, Clark & Lunn Investment Management Ltd. holds $112,687,280 across 16 Communication Equipment names. ADTN ranks #4 (6.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LITE	Lumentum Holdings Inc.	51,728	$36,352,369
2	CIEN	Ciena Corp	81,504	$31,642,297
3	EXTR	Extreme Networks Inc	720,905	$10,871,247
4	ADTN	ADTRAN Holdings, Inc. This page	560,348	$7,049,177
5	NOK	Nokia Corp	692,615	$5,568,624
6	CSCO	Cisco Systems, Inc.	71,116	$5,517,890
7	TSAT	Telesat Corp	123,267	$4,462,265
8	ERIC	Ericsson Lm Telephone Co	327,764	$3,693,900

All Filings in ADTN

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9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$7,049,177	560,348	+53.4%	Shares	Sole	2026-05-11
2025-12-31	$3,173,813	365,226	-1.5%	Shares	Sole	2026-02-10
2025-09-30	$3,476,349	370,613	+33.4%	Shares	Sole	2025-11-13
2025-06-30	$2,492,045	277,820	+65.8%	Shares	Sole	2025-08-07
2025-03-31	$1,461,384	167,590	+310.7%	Shares	Sole	2025-05-12
2024-12-31	$339,922	40,807	+145.3%	Shares	Sole	2025-02-10
2023-09-30	$136,930	16,638	-57.2%	Shares	Sole	2023-11-13
2023-03-31	$616,509	38,872	+8.4%	Shares	Sole	2023-05-10
2022-09-30	$702,275	35,867	—	Shares	Sole	2022-11-10
No filing history on record for this holder in this stock.