OBERWEIS ASSET MANAGEMENT INC/

Position in PRIM — Primoris Services Corp

CIK 937886 LISLE, IL

Position in PRIM

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

Position Value

$23,758,944

+$3,486,882 QoQ

Shares Held

166,100

+1.7% QoQ

Ownership

0.306%

of shares outstanding

% of Portfolio

0.71%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2023

11 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Mar 31, 2026

OBERWEIS ASSET MANAGEMENT INC/ holds $139,277,075 across 5 Engineering & Construction names. PRIM ranks #4 (17.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ECG	Everus Construction Group, Inc.	326,533	$38,550,485
2	TPC	Tutor Perini Corp	393,900	$30,405,141
3	ACA	Arcosa, Inc.	267,700	$28,413,678
4	PRIM	Primoris Services Corp This page	166,100	$23,758,944
5	AGX	Argan Inc	33,322	$18,148,827

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$23,758,944	166,100	+1.7%	Shares	Sole	2026-05-15
2025-12-31	$20,272,062	163,300	-15.1%	Shares	Sole	2026-02-17
2025-09-30	$26,422,292	192,400	0.0%	Shares	Sole	2025-11-17
2025-06-30	$14,995,656	192,400	-20.8%	Shares	Sole	2025-08-14
2025-03-31	$13,944,889	242,900	0.0%	Shares	Sole	2025-05-15
2024-12-31	$18,557,560	242,900	+15.7%	Shares	Sole	2025-02-14
2024-09-30	$12,190,992	209,900	0.0%	Shares	Sole	2024-11-14
2024-06-30	$10,471,911	209,900	0.0%	Shares	Sole	2024-08-14
2024-03-31	$8,935,443	209,900	0.0%	Shares	Sole	2024-05-15
2023-12-31	$6,970,779	209,900	+17.5%	Shares	Sole	2024-02-14
2023-09-30	$5,845,578	178,600	—	Shares	Sole	2023-11-14
No filing history on record for this holder in this stock.