OBERWEIS ASSET MANAGEMENT INC/

Position in OSIS — Osi Systems Inc

CIK 937886 LISLE, IL

Position in OSIS

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

Position Value

$23,432,174

-$4,869,333 QoQ

Shares Held

107,143

+0.5% QoQ

Ownership

0.672%

of shares outstanding

% of Portfolio

0.49%

of 13F equity value

Holder Rank

#40

of 362 holders

Holding Since

Sep 2023

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

OBERWEIS ASSET MANAGEMENT INC/ holds $142,688,067 across 6 Electronic Components names. OSIS ranks #3 (16.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LFUS	Littelfuse Inc /De	79,800	$36,335,334
2	OUST	Ouster, Inc.	545,810	$34,124,041
3	OSIS	Osi Systems Inc This page	107,143	$23,432,174
4	BHE	Benchmark Electronics Inc	198,300	$19,566,261
5	FN	Fabrinet	30,373	$17,072,055
6	KN	Knowles Corp	293,110	$12,158,202

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$23,432,174	107,143	+0.5%	Shares	Sole	2026-08-14
2026-03-31	$28,301,507	106,593	+5.1%	Shares	Sole	2026-05-15
2025-12-31	$25,863,084	101,400	0.0%	Shares	Sole	2026-02-17
2025-09-30	$25,272,936	101,400	-7.0%	Shares	Sole	2025-11-17
2025-06-30	$24,509,740	109,000	+8.6%	Shares	Sole	2025-08-14
2025-03-31	$19,511,736	100,400	0.0%	Shares	Sole	2025-05-15
2024-12-31	$16,809,972	100,400	+45.1%	Shares	Sole	2025-02-14
2024-09-30	$10,506,636	69,200	0.0%	Shares	Sole	2024-11-14
2024-06-30	$9,516,384	69,200	+25.1%	Shares	Sole	2024-08-14
2024-03-31	$7,897,946	55,300	+56.7%	Shares	Sole	2024-05-15
2023-12-31	$4,555,465	35,300	+39.0%	Shares	Sole	2024-02-14
2023-09-30	$2,998,216	25,400	—	Shares	Sole	2023-11-14
No filing history on record for this holder in this stock.