OBERWEIS ASSET MANAGEMENT INC/

Position in WTS — Watts Water Technologies Inc

CIK 937886 LISLE, IL

Position in WTS

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$19,901,318

New position

Shares Held

50,840

first reported quarter

Ownership

0.152%

of shares outstanding

% of Portfolio

0.41%

of 13F equity value

Holder Rank

#82

of 574 holders

Holding Since

Jun 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

OBERWEIS ASSET MANAGEMENT INC/ holds $79,708,797 across 4 Specialty Industrial Machinery names. WTS ranks #2 (25.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AMSC	American Superconductor Corp /De/	987,500	$40,991,125
2	WTS	Watts Water Technologies Inc This page	50,840	$19,901,318
3	GRC	Gorman Rupp Co	108,600	$9,962,964
4	BW	Babcock & Wilcox Enterprises, Inc.	627,900	$8,853,390

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$19,901,318	50,840	—	Shares	Sole	2026-08-14
No filing history on record for this holder in this stock.