OBERWEIS ASSET MANAGEMENT INC/

Position in PI — Impinj Inc

CIK 937886 LISLE, IL

Position in PI

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

Position Value

$12,127,432

-$6,512,519 QoQ

Shares Held

118,086

+10.2% QoQ

Ownership

0.386%

of shares outstanding

% of Portfolio

0.36%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

OBERWEIS ASSET MANAGEMENT INC/ holds $784,347,906 across 11 Semiconductors names.

#	Ticker	Company	Shares	Value (USD)
1	CRDO	Credo Technology Group Holding Ltd	1,013,428	$275,601,744
2	SIMO	Silicon Motion Technology CORP	316,350	$105,448,945
3	SITM	SITIME Corp	119,501	$89,095,165
4	RMBS	Rambus Inc	527,016	$69,956,103
5	MTSI	MACOM Technology Solutions Holdings, Inc.	179,356	$68,221,641
6	LSCC	Lattice Semiconductor Corp	391,816	$59,932,175
7	DIOD	Diodes Inc /Del/	413,750	$45,280,800
8	MXL	Maxlinear, Inc	319,500	$40,905,585

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$12,127,432	118,086	+10.2%	Shares	Sole	2026-05-15
2025-12-31	$18,639,951	107,120	0.0%	Shares	Sole	2026-02-17
2025-09-30	$19,361,940	107,120	+200.1%	Shares	Sole	2025-11-17
2023-09-30	$1,964,571	35,700	-80.1%	Shares	Sole	2023-11-14
2023-06-30	$16,060,349	179,145	+22.5%	Shares	Sole	2023-08-14
2023-03-31	$19,823,188	146,275	+32.2%	Shares	Sole	2023-05-15
2022-12-31	$12,082,404	110,665	+210.0%	Shares	Sole	2023-02-14
2022-09-30	$2,857,071	35,700	+23.1%	Shares	Sole	2022-11-14
2022-06-30	$1,701,430	29,000	+17.4%	Shares	Sole	2022-08-15
2022-03-31	$1,569,438	24,700	+47.0%	Shares	Sole	2022-05-16
2020-06-30	$461,496	16,800	-20.0%	Shares	Sole	2020-08-14
2020-03-31	$350,910	21,000	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.