OBERWEIS ASSET MANAGEMENT INC/

Position in VISN — Vistance Networks, Inc.

CIK 937886 LISLE, IL

Position in VISN

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

Position Value

$19,874,618

+$2,453,284 QoQ

Shares Held

1,092,012

+13.6% QoQ

Ownership

0.484%

of shares outstanding

% of Portfolio

0.59%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2025

3 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Mar 31, 2026

OBERWEIS ASSET MANAGEMENT INC/ holds $425,490,363 across 4 Communication Equipment names. VISN ranks #3 (4.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AAOI	Applied Optoelectronics, Inc.	2,349,969	$198,783,877
2	LITE	Lumentum Holdings Inc.	266,222	$187,090,172
3	VISN	Vistance Networks, Inc. This page	1,092,012	$19,874,618
4	VIAV	Viavi Solutions Inc.	593,200	$19,741,696

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$19,874,618	1,092,012	+13.6%	Shares	Sole	2026-05-15
2025-12-31	$17,421,334	960,912	+21.5%	Shares	Sole	2026-02-17
2025-09-30	$12,243,317	790,912	—	Shares	Sole	2025-11-17
No filing history on record for this holder in this stock.