THOMPSON INVESTMENT MANAGEMENT, INC.

Position in CALX — Calix, Inc

CIK 1277279 MADISON, WI

Position in CALX

as of Jun 30, 2026 · filed Jul 13, 2026 Compact

Position Value

$3,431,200

+$1,234,489 QoQ

Shares Held

91,940

+105.0% QoQ

Ownership

0.146%

of shares outstanding

% of Portfolio

0.43%

of 13F equity value

Holder Rank

#79

of 285 holders

Holding Since

Jun 2021

21 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

THOMPSON INVESTMENT MANAGEMENT, INC. holds $39,728,287 across 6 Software - Infrastructure names. CALX ranks #3 (8.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MSFT	Microsoft Corp	77,238	$28,811,318
2	ORCL	Oracle Corp	43,640	$6,395,442
3	CALX	Calix, Inc This page	91,940	$3,431,200
4	OKTA	Okta, Inc.	7,782	$1,061,853
5	RELY	Remitly Global, Inc.	750	$16,807
6	PLTR	Palantir Technologies Inc.	100	$11,667

21 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$3,431,200	91,940	+105.0%	Shares	Sole	2026-07-13
2026-03-31	$2,196,711	44,840	0.0%	Shares	Sole	2026-04-08
2025-12-31	$2,373,381	44,840	0.0%	Shares	Sole	2026-01-14
2025-09-30	$2,751,830	44,840	-35.8%	Shares	Sole	2025-10-17
2025-06-30	$3,714,789	69,840	-22.6%	Shares	Sole	2025-07-24
2025-03-31	$3,198,105	90,240	-0.8%	Shares	Sole	2025-04-15
2024-12-31	$3,171,077	90,940	+4.6%	Shares	Sole	2025-01-28
2024-09-30	$3,372,402	86,940	-7.8%	Shares	Sole	2024-10-15
2024-06-30	$3,341,934	94,325	+68.6%	Shares	Sole	2024-07-08
2024-03-31	$1,855,302	55,950	+42.6%	Shares	Sole	2024-04-15
2023-12-31	$1,713,740	39,225	-5.3%	Shares	Sole	2024-01-16
2023-09-30	$1,898,922	41,425	+30.6%	Shares	Sole	2023-10-30
2023-06-30	$1,583,394	31,725	0.0%	Shares	Sole	2023-07-10
2023-03-31	$1,700,142	31,725	+151.8%	Shares	Sole	2023-04-24
2022-12-31	$862,218	12,600	0.0%	Shares	Sole	2023-01-20
2022-09-30	$770,364	12,600	0.0%	Shares	Sole	2022-10-17
2022-06-30	$430,164	12,600	0.0%	Shares	Sole	2022-08-05
2022-03-31	$540,666	12,600	+180.0%	Shares	Sole	2022-04-20
2021-12-31	$359,865	4,500	-35.7%	Shares	Sole	2022-02-07
2021-09-30	$346,010	7,000	0.0%	Shares	Sole	2021-10-13
2021-06-30	$332,500	7,000	—	Shares	Sole	2021-08-10
No filing history on record for this holder in this stock.