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
CONSTELLIUM SE	CSTM	Common	2,799,271	-1,754,515	48,147,461,000	-21,434,389,000	5.85		Hist	06/30/2023
AXCELIS TECHNOLOGIES INC	ACLS	COMMON	240,399	-31,590	44,072,349,000	7,829,815,000	5.36	0.73	Hist	06/30/2023
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
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
IMPINJ INC	PI	COM	179,145	32,870	16,060,349,000	-3,762,839,000	1.95		Hist	06/30/2023
Lantheus Holdings, Inc.	LNTH	COM	166,180	-12,360	13,945,826,000	-794,436,000	1.69	0.25	Hist	06/30/2023
Perion Network Ltd.	PERI	SHS NEW	426,250	39,080	13,073,088,000	-2,251,101,000	1.59	0.92	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
DECKERS OUTDOOR CORP	DECK	Common	23,120	-5,160	12,199,499,000	-513,775,000	1.48	0.09	Hist	06/30/2023
Crocs, Inc.	CROX	Common	105,500	150	11,862,420,000	-1,458,034,000	1.44		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
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
BELDEN INC.	BDC	Common	98,755	6,083	9,445,959,000	1,404,771,000	1.15	0.23	Hist	06/30/2023
Veritiv Corp	VRTV	COM	72,790	5,300	9,143,152,000	22,553,000	1.11	0.54	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
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
Amphastar Pharmaceuticals, Inc.	AMPH	COM	147,800	-30,400	8,494,066,000	1,811,566,000	1.03	0.31	Hist	06/30/2023
CLEAN HARBORS INC	CLHB	Common	45,105	-5,730	7,416,615,000	169,577,000	0.90	0.08	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
BEL FUSE INC /NJ	BELFB	CL B	121,500	0	6,975,315,000	2,409,345,000	0.85	0.95	Hist	06/30/2023
Evolent Health, Inc.	EVH	Common	227,910	60,200	6,905,673,000	1,463,483,000	0.84	0.21	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
VISTEON CORP	VC	Common	47,760	8,360	6,858,814,000	679,712,000	0.83		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
Navitas Semiconductor Corp	NVTS	Common	640,000	640,000	6,745,600,000	6,745,600,000	0.82	0.40	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
POWER INTEGRATIONS INC	POWI	Common	69,270	69,270	6,557,791,000	6,557,791,000	0.80	0.12	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
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
Axonics, Inc.	AXNX	Common	125,440	29,700	6,330,957,000	1,107,383,000	0.77	0.25	Hist	06/30/2023
OneSpan Inc.	OSPN	COM	416,845	55,545	6,185,980,000	-136,770,000	0.75	1.04	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
Vertiv Holdings Co		Common	248,340	248,340	6,151,382,000	6,151,382,000	0.75	0.07	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
SI-BONE, Inc.	SIBN	Common	220,200	220,200	5,940,996,000	5,940,996,000	0.72	0.63	Hist	06/30/2023
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