Oberweis Asset Management 13FHR Quarterly holdings report by institutional manager | SEC 14 Feb 23

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

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OMB Number:		3235-0006
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COLUMN 1	COLUMN 2	COLUMN 3	COLUMN 4	COLUMN 5			COLUMN 6	COLUMN 7	COLUMN 8
			VALUE	SHRS OR	SH/	PUT/	INVESTMENT	OTHER	VOTING AUTHORITY
NAME OF ISSUER	TITLE OF CLASS	CUSIP	(x$1000)	PRN AMT	PRN	CALL	DISCRETION	MANAGER	SOLE	SHARED	NONE
A10 Networks, Inc.	com	002121101	2,181,856	131,200	SH		SOLE		131,200	0	0
ABM Industries, Inc.	com	000957100	1,976,690	44,500	SH		SOLE		44,500	0	0
ADMA Biologics, Inc.	com	000899104	2,083,172	536,900	SH		SOLE		536,900	0	0
AFYA Ltd.	com	G01125106	265,540	17,000	SH		SOLE		17,000	0	0
AMN Healthcare Svcs	com	001744101	1,562,864	15,200	SH		SOLE		15,200	0	0
AMR Corp Escrow	com	001ESC102	0	18,000	SH		SOLE		18,000	0	0
ATI, Inc.	com	01741R102	1,707,992	57,200	SH		SOLE		57,200	0	0
Acadia Healthcare Co., Inc.	com	00404A109	4,838,770	58,780	SH		SOLE		40,080	0	18,700
Adtran, Inc.	com	00486H105	2,187,156	116,400	SH		SOLE		116,400	0	0
Aehr Test Systems	com	00760J108	12,212,921	607,608	SH		SOLE		607,608	0	0
Allegro MicroSystems, Inc.	com	01749D105	3,458,304	115,200	SH		SOLE		115,200	0	0
Allied Motion Technologies	com	019330109	1,615,184	46,400	SH		SOLE		46,400	0	0
Alphatec Hldgs Inc.	com	02081G201	6,215,632	503,290	SH		SOLE		496,460	0	6,830
Alta Equipment Group, Inc.	com	02128L106	1,234,584	93,600	SH		SOLE		93,600	0	0
Ameresco, Inc.	com	02361E108	4,925,925	86,208	SH		SOLE		86,208	0	0
American Power Corp	com	02906T107	0	10,000	SH		SOLE		0	0	10,000
Amgen, Inc.	com	031162100	362,660	1,381	SH		SOLE		0	0	1,381
Amphastar Pharmaceuticals, Inc	com	03209R103	3,754,680	134,000	SH		SOLE		134,000	0	0
Amtech Systems, Inc.	com	032332504	865,640	113,900	SH		SOLE		113,900	0	0
Apple, Inc.	com	037833100	711,835	5,479	SH		SOLE		240	0	5,239
Applied Industrial	com	03820c105	2,092,098	16,600	SH		SOLE		16,600	0	0
Avatar Ventures	com	05350B100	0	10,000	SH		SOLE		0	0	10,000
Aviat Networks, Inc.	com	05366Y201	2,598,345	83,307	SH		SOLE		83,307	0	0
Avid Technology, Inc.	com	05367P100	1,387,998	52,200	SH		SOLE		52,200	0	0
Axcelis Technologies	com	054540208	22,185,009	279,549	SH		SOLE		238,089	0	41,460
Bel Fuse, Inc.	com	077347300	3,779,216	114,800	SH		SOLE		114,800	0	0
Belden, Inc.	com	077454106	6,598,187	91,769	SH		SOLE		72,025	0	19,744
Boot Barn Hldgs, Inc.	com	099406100	1,744,308	27,900	SH		SOLE		27,900	0	0
Brookline Bancorp, Inc.	com	11373M107	1,722,055	121,700	SH		SOLE		121,700	0	0
CECO Environmental Corp.	com	125141101	2,126,928	182,100	SH		SOLE		182,100	0	0
Cabot Corp.	com	127055101	2,990,906	44,747	SH		SOLE		35,036	0	9,712
Cadence Design System, Inc.	com	127387108	4,096,320	25,500	SH		SOLE		25,500	0	0
Caleres Inc.	com	129500104	837,728	37,600	SH		SOLE		37,600	0	0
Calix, Inc.	com	13100M509	2,593,497	37,900	SH		SOLE		37,900	0	0
Camtek, Ltd.	com	M20791105	1,299,593	59,180	SH		SOLE		59,180	0	0
Catalyst Pharmaceuticals, Inc.	com	14888U101	1,796,760	96,600	SH		SOLE		96,600	0	0
Cerus Corp.	com	157085101	1,036,235	283,900	SH		SOLE		283,900	0	0
Ciena Corporation	com	171779309	4,098,027	80,385	SH		SOLE		62,300	0	18,085
Clean Harbors, Inc.	com	184496107	5,515,990	48,335	SH		SOLE		41,130	0	7,205
Clearfield, Inc.	com	18482P103	8,899,996	94,540	SH		SOLE		86,780	0	7,760
Clearwater Paper Corp	com	18538R103	1,580,458	41,800	SH		SOLE		41,800	0	0
Comstock Res	com	205768302	1,957,788	142,800	SH		SOLE		142,800	0	0
Constellium NV Cl A	com	F21107101	58,432,061	4,939,312	SH		SOLE		3,348,254	0	1,591,058
Controladora Vuela Comp de Avi	com	21240E105	117,040	14,000	SH		SOLE		14,000	0	0
Crocs, Inc.	com	227046109	11,282,142	104,050	SH		SOLE		82,200	0	21,850
Cross Country Healthcare, Inc.	com	227483104	2,064,489	77,700	SH		SOLE		77,700	0	0
Dada Nexus Limited	com	23344D108	3,189,974	457,672	SH		SOLE		456,272	0	1,400
Deckers Outdoor Corp.	com	243537107	10,825,219	27,120	SH		SOLE		20,700	0	6,420
Despegar Com Corp.	com	G27358103	59,508	11,600	SH		SOLE		11,600	0	0
Destination XL Group, Inc.	com	25065K104	2,282,175	338,100	SH		SOLE		338,100	0	0
Dynavax Technologies Corp.	com	268158201	1,954,568	183,700	SH		SOLE		183,700	0	0
EZCorp, Inc.	com	302301106	2,135,300	262,000	SH		SOLE		262,000	0	0
Earthstone Energy Inc.	com	27032D304	1,832,824	128,800	SH		SOLE		128,800	0	0
Eli Lilly & Company	com	532457108	233,649	639	SH		SOLE		0	0	639
Employers Holdings, Inc.	com	292218104	1,660,505	38,500	SH		SOLE		38,500	0	0
EnPro Industries, Inc.	com	29355x107	2,097,717	19,300	SH		SOLE		19,300	0	0
Everi Hldgs, Inc.	com	30034T103	3,225,880	224,800	SH		SOLE		224,800	0	0
Evolent Health, Inc.	com	30050B101	3,912,667	139,340	SH		SOLE		118,690	0	20,650
Extreme Networks, Inc.	com	30226D106	2,748,331	150,100	SH		SOLE		150,100	0	0
Fabrinet	com	G3323L100	3,656,193	28,515	SH		SOLE		28,430	0	85
Federal Signal Corp.	com	313855108	2,653,437	57,100	SH		SOLE		57,100	0	0
First Merchants Corporation	com	320817109	1,040,083	25,300	SH		SOLE		25,300	0	0
FirstCash Holdings, Inc	com	33768G107	1,555,689	17,900	SH		SOLE		17,900	0	0
Forward Air Corp.	com	349853101	1,027,922	9,800	SH		SOLE		9,800	0	0
Fox Factory Hldg Corp.	com	35138V102	1,924,953	21,100	SH		SOLE		21,100	0	0
Franklin Covey Co.	com	353469109	2,165,451	46,300	SH		SOLE		46,300	0	0
Franklin Electric	com	353514102	2,121,350	26,600	SH		SOLE		26,600	0	0
Full House Resorts, Inc.	com	359678109	1,667,507	221,743	SH		SOLE		221,743	0	0
Futu Holdings Ltd.	com	36118L106	813,000	20,000	SH		SOLE		20,000	0	0
Guess, Inc	com	401617105	1,822,375	88,080	SH		SOLE		86,800	0	1,280
H&E Equipment Services, Inc.	com	404030108	2,274,540	50,100	SH		SOLE		50,100	0	0
Haemonetics Corp.	com	405024100	1,549,405	19,700	SH		SOLE		19,700	0	0
Halozyme Therapeutics, Inc.	com	40637H109	8,158,891	143,390	SH		SOLE		118,550	0	24,840
Harmonic, Inc.	com	413160102	1,307,380	99,800	SH		SOLE		99,800	0	0
Haynes Intl, Inc.	com	420877201	1,530,615	33,500	SH		SOLE		33,500	0	0
Heritage Financial Corporation	com	42722X106	1,697,456	55,400	SH		SOLE		55,400	0	0
ICF International, Inc.	com	44925C103	4,298,770	43,400	SH		SOLE		43,400	0	0
Impinj, Inc.	com	453204109	12,082,405	110,665	SH		SOLE		95,990	0	14,675
Inmode Ltd.	com	M5425M103	3,354,015	93,950	SH		SOLE		83,160	0	10,790
Insperity, Inc.	com	45778Q107	1,556,320	13,700	SH		SOLE		13,700	0	0
Inspire Medical Systems, Inc.	com	457730109	969,738	3,850	SH		SOLE		3,850	0	0
Inter Parfums	com	458334109	2,133,092	22,100	SH		SOLE		22,100	0	0
International Money Express, I	com	46005L101	1,547,495	63,500	SH		SOLE		63,500	0	0
JP Morgan Chase & Company Inc.	com	46625H100	548,349	4,089	SH		SOLE		140	0	3,949
Janus International Group, Inc	com	47103N106	1,240,456	130,300	SH		SOLE		130,300	0	0
Johnson & Johnson	com	478160104	477,883	2,705	SH		SOLE		0	0	2,705
KVH Industries, Inc.	com	482738101	899,360	88,000	SH		SOLE		88,000	0	0
Lantheus Hldgs Inc.	com	516544103	8,405,342	164,940	SH		SOLE		150,020	0	14,920
LeMaitre Vascular, Inc.	com	525558201	994,032	21,600	SH		SOLE		21,600	0	0
Liberty Energy, Inc.	com	53115L104	1,346,441	84,100	SH		SOLE		84,100	0	0
M/I Homes, Inc.	com	55305B101	1,385,400	30,000	SH		SOLE		30,000	0	0
MGP Ingredients, Inc.	com	55303J106	3,563,823	33,501	SH		SOLE		25,600	0	7,900
MINISO Group Holding Limited	com	66981J102	965,700	90,000	SH		SOLE		90,000	0	0
MP Materials Corp.	com	553368101	1,165,440	48,000	SH		SOLE		48,000	0	0
MRC Global, Inc.	com	55345K103	1,388,442	119,900	SH		SOLE		119,900	0	0
Macom Technology Solutions	com	55405Y100	2,418,432	38,400	SH		SOLE		38,400	0	0
Magnolia Oil & Gas Corp.	com	559663109	1,573,495	67,100	SH		SOLE		67,100	0	0
Mastercard, Inc.	com	57636Q104	335,502	965	SH		SOLE		0	0	965
Matador Resources Company	com	576485205	1,734,372	30,300	SH		SOLE		30,300	0	0
Maxlinear, Inc. Class A	com	57776J100	3,851,967	113,460	SH		SOLE		84,720	0	28,740
McDonald's Corporation	com	580135101	220,935	838	SH		SOLE		0	0	838
Mercantile Bank Corp.	com	587376104	1,667,956	49,819	SH		SOLE		28,400	0	21,419
Merit Medical System Inc	com	589889104	2,514,072	35,600	SH		SOLE		35,600	0	0
Microsoft Corp.	com	594918104	732,650	3,055	SH		SOLE		0	0	3,055
Model N, Inc.	com	607525102	5,894,990	145,340	SH		SOLE		121,410	0	23,930
Modine Mfg Co Com	com	607828100	1,717,890	86,500	SH		SOLE		86,500	0	0
Monarch Casino & Resort, Inc.	com	609027107	1,545,489	20,100	SH		SOLE		20,100	0	0
Murphy USA, Inc.	com	626755102	810,666	2,900	SH		SOLE		2,900	0	0
NOV, Inc.	com	62955J103	1,687,912	80,800	SH		SOLE		80,800	0	0
NV5 Global, Inc	com	62945V109	1,561,376	11,800	SH		SOLE		11,800	0	0
NerdWallet, Inc.	com	64082B102	1,688,640	175,900	SH		SOLE		175,900	0	0
Newmont Mining	com	651639106	277,924	5,888	SH		SOLE		400	0	5,488
Nine Energy Service, Inc.	com	65441V101	1,439,923	99,100	SH		SOLE		99,100	0	0
Novanta, Inc.	com	67000B104	665,763	4,900	SH		SOLE		4,900	0	0
O-I Glass, Inc.	com	67098H104	1,713,338	103,400	SH		SOLE		103,400	0	0
OOMA Inc.	com	683416101	830,820	61,000	SH		SOLE		61,000	0	0
OneSpan, Inc.	com	68287N100	2,427,111	216,900	SH		SOLE		216,900	0	0
Option Care Health Inc.	com	68404L201	1,970,895	65,500	SH		SOLE		65,500	0	0
Oxford Inds, Inc.	com	691497309	1,630,650	17,500	SH		SOLE		17,500	0	0
PDC Energy, Inc.	com	69327R101	2,393,542	37,705	SH		SOLE		23,960	0	13,745
Patterson-Uti Energy, Inc.	com	703481101	2,342,444	139,100	SH		SOLE		139,100	0	0
Pdf Solutions, Inc.	com	693282105	858,452	30,100	SH		SOLE		30,100	0	0
Perion Network, Ltd.	com	M78673114	6,259,220	247,400	SH		SOLE		247,400	0	0
Photronics, Inc.	com	719405102	1,965,744	116,800	SH		SOLE		116,800	0	0
Pinduoduo Inc.	com	722304102	2,854,250	35,000	SH		SOLE		35,000	0	0
Playa Hotels & Resorts N.V.	com	N70544106	1,855,173	284,100	SH		SOLE		284,100	0	0
Preferred Bank	com	740367404	2,253,524	30,200	SH		SOLE		30,200	0	0
Quaker Chemical Corporation	com	747316107	1,936,040	11,600	SH		SOLE		11,600	0	0
RF Industries Ltd.	com	749552105	324,334	63,100	SH		SOLE		63,100	0	0
RPC, Inc.	com	749660106	2,603,881	292,900	SH		SOLE		237,500	0	55,400
Resmed Inc.	com	761152107	301,789	1,450	SH		SOLE		0	0	1,450
Rocky Brands, Inc.	com	774515100	850,320	36,000	SH		SOLE		36,000	0	0
SP Plus Corporation	com	78469C103	2,347,072	67,600	SH		SOLE		67,600	0	0
Scansource, Inc.	com	806037107	1,367,496	46,800	SH		SOLE		46,800	0	0
SeaWorld Entertainment Inc.	com	81282v100	3,060,772	57,200	SH		SOLE		42,120	0	15,080
ShockWave Medical, Inc.	com	82489T104	1,058,892	5,150	SH		SOLE		5,150	0	0
Silicon Laboratories, Inc.	com	826919102	1,580,556	11,650	SH		SOLE		11,650	0	0
Sterling Construction Co., Inc	com	859241101	2,643,680	80,600	SH		SOLE		80,600	0	0
SunOpta, Inc.	com	8676EP108	2,216,344	262,600	SH		SOLE		262,600	0	0
Super Micro Computer Inc.	com	86800U104	9,953,804	121,240	SH		SOLE		91,800	0	29,440
Synaptics, Inc.	com	87157D109	3,464,776	36,410	SH		SOLE		30,190	0	6,220
Tactile Sys Technology, Inc.	com	87357P100	2,344,216	204,200	SH		SOLE		204,200	0	0
Tal Education Group ADR	com	874080104	669,750	95,000	SH		SOLE		95,000	0	0
Tencent Music Entertainment	com	88034P109	1,449,000	175,000	SH		SOLE		175,000	0	0
Texas Roadhouse	com	882681109	864,025	9,500	SH		SOLE		9,500	0	0
The Chefs Warehouse, Inc.	com	163086101	2,226,432	66,900	SH		SOLE		66,900	0	0
The Travelers Co., Inc.	com	89417E109	417,464	2,227	SH		SOLE		0	0	2,227
Titan Int'l Inc.	com	88830M102	3,450,064	225,200	SH		SOLE		225,200	0	0
Titan Machinery, Inc.	com	88830R101	1,573,308	39,600	SH		SOLE		39,600	0	0
Titan Oil & Gas, Inc.	com	888309101	0	10,000	SH		SOLE		0	0	10,000
Topgolf Callaway Brands Corp.	com	131193104	1,655,050	83,800	SH		SOLE		83,800	0	0
TransMedics Group, Inc.	com	89377M109	5,085,728	82,400	SH		SOLE		82,400	0	0
UFP Industries, Inc.	com	90278Q108	1,164,975	14,700	SH		SOLE		14,700	0	0
UNUM Group	com	91529Y106	1,189,870	29,000	SH		SOLE		29,000	0	0
Ultra Clean Holdings	com	90385V107	2,250,885	67,900	SH		SOLE		67,900	0	0
Univar Solutions, Inc.	com	91336L107	1,726,740	54,300	SH		SOLE		54,300	0	0
V2X, Inc.	com	92242T101	2,068,629	50,100	SH		SOLE		50,100	0	0
VSE Corp.	com	918284100	1,223,568	26,100	SH		SOLE		26,100	0	0
Veracyte, Inc.	com	92337F107	2,192,652	92,400	SH		SOLE		92,400	0	0
Veritiv Corp.	com	923454102	7,563,303	62,142	SH		SOLE		62,142	0	0
Viad Corp.	com	92552R406	1,246,329	51,100	SH		SOLE		51,100	0	0
Vishay Precision Group	com	92835K103	1,685,140	43,600	SH		SOLE		43,600	0	0
Visteon Corp.	com	92839U206	2,930,592	22,400	SH		SOLE		22,400	0	0
Wal Mart Stores Inc.	com	931142103	224,807	1,585	SH		SOLE		0	0	1,585
Washington Federal, Inc.	com	938824109	1,449,360	43,200	SH		SOLE		43,200	0	0
Xenacare Hldgs, Inc.	com	98401A106	0	140,000	SH		SOLE		0	0	140,000
Yum China Hldgs, Inc.	com	98850P109	573,825	10,500	SH		SOLE		10,500	0	0
SPDR S&P 500 ETF Trust	com	78462F103	1,366,909	3,574	SH		SOLE		0	0	3,574

Oberweis Asset Management 13F-HRQuarterly holdings report by institutional manager