OBERWEIS ASSET MANAGEMENT INC [Rocket]

Holdings

OBERWEIS ASSET MANAGEMENT INC

Changes: All | New | Increased | Decreased | Sold Out

Portfolio as of:

Name	Ticker	Class	Shares	Change	Value	Change	% Port	% OS	Hist	Date
AEHR TEST SYSTEMS	AEHR	Common	873,108	174,000	36,015,705,000	14,329,375,000	4.38	3.15	Hist	06/30/2023
VERACYTE, INC.	VCYT	Common	482,310	270,130	12,284,436,000	7,552,822,000	1.49	0.67	Hist	06/30/2023
Alphatec Holdings, Inc.	ATEC	COM NEW	980,470	301,940	17,628,851,000	7,043,783,000	2.14	0.88	Hist	06/30/2023
EXTREME NETWORKS INC	EXTR	Common	337,900	136,900	8,802,295,000	4,959,175,000	1.07	0.26	Hist	06/30/2023
Blue Bird Corp	BLBD	Common	301,300	174,000	6,773,224,000	4,172,485,000	0.82	0.94	Hist	06/30/2023
Weatherford International plc	WFT	Common	78,580	49,280	5,219,284,000	3,480,329,000	0.63	0.11	Hist	06/30/2023
MERIT MEDICAL SYSTEMS INC	MMSI	Common	78,160	34,360	6,537,302,000	3,298,292,000	0.79	0.14	Hist	06/30/2023
TACTILE SYSTEMS TECHNOLOGY INC	TCMD	COM	294,950	35,400	7,353,104,000	3,091,293,000	0.89	1.27	Hist	06/30/2023
ICF International, Inc.	ICFI	Common	80,200	16,800	9,976,078,000	3,021,098,000	1.21	0.43	Hist	06/30/2023
ALLEGRO MICROSYSTEMS, INC.	ALGM	COMMON STOCK	196,040	72,540	8,849,246,000	2,922,481,000	1.08	0.10	Hist	06/30/2023
TREACE MEDICAL CONCEPTS, INC.	TMCI	COM	251,500	97,200	6,433,370,000	2,546,553,000	0.78	0.41	Hist	06/30/2023
HARMONIC INC	HLIT	Common	294,300	141,800	4,758,831,000	2,533,856,000	0.58	0.26	Hist	06/30/2023
TransMedics Group, Inc.	TMDX	Common	127,000	18,700	10,665,460,000	2,463,901,000	1.30	0.39	Hist	06/30/2023
GRANITE CONSTRUCTION INC	GVA	Common	110,100	62,600	4,379,778,000	2,428,478,000	0.53	0.25	Hist	06/30/2023
ADMA BIOLOGICS, INC.	ADMA	Common	1,668,700	499,200	6,157,503,000	2,286,458,000	0.75	0.75	Hist	06/30/2023
STERLING INFRASTRUCTURE, INC.	STRL	Common	106,700	8,800	5,953,860,000	2,245,408,000	0.72	0.35	Hist	06/30/2023
PHOTRONICS INC	PLAB	Common	194,700	25,400	5,021,313,000	2,214,319,000	0.61	0.31	Hist	06/30/2023
Ultra Clean Holdings, Inc.	UCTT	Common	170,900	38,200	6,572,814,000	2,172,482,000	0.80	0.38	Hist	06/30/2023
CECO ENVIRONMENTAL CORP	CECE	CMN	392,600	170,000	5,245,136,000	2,130,962,000	0.64	1.13	Hist	06/30/2023
HEXCEL CORP /DE/	HXL	Common	59,000	24,400	4,485,180,000	2,123,730,000	0.55	0.07	Hist	06/30/2023
M/I HOMES, INC.	MHO	Common	40,400	16,200	3,522,476,000	1,995,698,000	0.43	0.15	Hist	06/30/2023
MODEL N, INC.	MODN	Common	194,818	48,578	6,888,764,000	1,994,111,000	0.84	0.51	Hist	06/30/2023
CAMTEK LTD	CAMT	ORD	148,202	30,522	5,280,437,000	1,944,209,000	0.64	0.33	Hist	06/30/2023
ATI INC	ATI	Common	106,800	33,900	4,723,764,000	1,847,130,000	0.57	0.08	Hist	06/30/2023
V2X, Inc.	VEC	COM	97,800	20,000	4,846,968,000	1,756,752,000	0.59	0.32	Hist	06/30/2023
Zeta Global Holdings Corp.	ZETA	CL A	474,500	261,200	4,052,230,000	1,742,191,000	0.49	0.23	Hist	06/30/2023
FirstCash Holdings, Inc.	FCFS	Common	40,100	18,700	3,742,533,000	1,701,615,000	0.45		Hist	06/30/2023
MGP INGREDIENTS INC	MGPI	Common	44,850	12,900	4,766,658,000	1,676,454,000	0.58	0.20	Hist	06/30/2023
FORMFACTOR INC	FORM	Common	143,000	41,500	4,893,460,000	1,660,685,000	0.59	0.19	Hist	06/30/2023
Playa Hotels & Resorts N.V.	PLYA	Common	655,300	272,100	5,334,142,000	1,655,422,000	0.65		Hist	06/30/2023
MODINE MANUFACTURING CO	MOD	Common	115,000	19,200	3,797,300,000	1,589,110,000	0.46	0.22	Hist	06/30/2023
Acadia Healthcare Company, Inc.	ACHC	COM	51,400	16,600	4,093,496,000	1,579,196,000	0.50		Hist	06/30/2023
FEDERAL SIGNAL CORP /DE/	FSS	Common	73,900	15,600	4,731,817,000	1,571,374,000	0.58	0.12	Hist	06/30/2023
Chefs' Warehouse, Inc.	CHEF	COMMON	141,500	37,900	5,060,040,000	1,532,460,000	0.61	0.36	Hist	06/30/2023
SP Plus Corp	SP	Common	113,700	26,900	4,446,807,000	1,470,435,000	0.54	0.58	Hist	06/30/2023
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