Oberweis Asset Management 13FHR Quarterly holdings report by institutional manager | SEC 14 Nov 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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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
1st Source Corp.	com	336901103	2,352,831	55,900	SH		SOLE		55,900	0	0
A10 Networks, Inc.	com	002121101	3,231,450	215,000	SH		SOLE		215,000	0	0
ACM Research, Inc. Class A	com	00108J109	6,188,289	341,800	SH		SOLE		341,800	0	0
ADMA Biologics, Inc.	com	000899104	7,440,672	2,078,400	SH		SOLE		2,078,400	0	0
AMR Corp Escrow	com	001ESC102	0	18,000	SH		SOLE		18,000	0	0
ANI Pharmaceuticals, Inc.	com	00182C103	1,915,980	33,000	SH		SOLE		33,000	0	0
ATI, Inc.	com	01741R102	3,909,250	95,000	SH		SOLE		95,000	0	0
Abercrombie & Fitch Co.	com	002896207	4,143,195	73,500	SH		SOLE		73,500	0	0
Acadia Healthcare Co., Inc.	com	00404A109	5,470,118	77,800	SH		SOLE		77,800	0	0
Aehr Test Systems	com	00760J108	41,591,936	910,108	SH		SOLE		909,808	0	300
Aerovironment, Inc.	com	008073108	7,706,723	69,100	SH		SOLE		69,100	0	0
Allegiant Travel Co.	com	01748X102	4,362,750	56,762	SH		SOLE		54,162	0	2,601
Allegro MicroSystems, Inc.	com	01749D105	7,216,204	225,930	SH		SOLE		182,920	0	43,010
Allison Transmission Holdings,	com	01973R101	5,557,546	94,100	SH		SOLE		94,100	0	0
Alphatec Hldgs Inc.	com	02081G201	16,031,439	1,236,040	SH		SOLE		1,093,540	0	142,500
Alta Equipment Group, Inc.	com	02128L106	1,327,806	110,100	SH		SOLE		110,100	0	0
Amazon.com	com	023135106	216,104	1,700	SH		SOLE		0	0	1,700
American Power Corp	com	02906T107	0	10,000	SH		SOLE		0	0	10,000
Amgen, Inc.	com	031162100	328,854	1,224	SH		SOLE		0	0	1,224
Amphastar Pharmaceuticals, Inc	com	03209R103	7,013,475	152,500	SH		SOLE		152,500	0	0
Amtech Systems, Inc.	com	032332504	906,018	118,900	SH		SOLE		118,900	0	0
Amylyx Pharmaceuticals, Inc.	com	03237H101	3,112,700	170,000	SH		SOLE		170,000	0	0
Apple, Inc.	com	037833100	833,859	4,870	SH		SOLE		120	0	4,750
Applied Industrial	com	03820c105	4,715,605	30,500	SH		SOLE		30,500	0	0
Applied Optoelectronics Inc.	com	03823U102	5,138,513	468,415	SH		SOLE		468,415	0	0
Arcos Dorados Holdings, Inc.	com	G0457F107	219,472	23,200	SH		SOLE		23,200	0	0
Array Biopharma	com	04271T100	2,307,760	104,000	SH		SOLE		104,000	0	0
Artivion, Inc	com	228903100	3,762,712	248,200	SH		SOLE		248,200	0	0
Astec Inds Inc.	com	046224101	1,856,134	39,400	SH		SOLE		39,400	0	0
Atricure, Inc.	com	04963C209	2,071,740	47,300	SH		SOLE		47,300	0	0
Avatar Ventures	com	05350B100	1	10,000	SH		SOLE		0	0	10,000
AvePoint, Inc.	com	053604104	2,856,000	425,000	SH		SOLE		425,000	0	0
Aviat Networks, Inc.	com	05366Y201	3,909,578	125,307	SH		SOLE		125,307	0	0
Axcelis Technologies	com	054540208	31,559,795	193,559	SH		SOLE		166,439	0	27,120
Axonics, Inc.	com	05465P101	9,070,114	161,620	SH		SOLE		143,650	0	17,970
BJ's Restaurants, Inc.	com	09180C106	2,632,212	112,200	SH		SOLE		112,200	0	0
Bel Fuse, Inc.	com	077347300	5,797,980	121,500	SH		SOLE		121,500	0	0
Belden, Inc.	com	077454106	8,832,437	91,480	SH		SOLE		73,937	0	17,543
Blue Bird Corporation	com	095306106	6,543,775	306,500	SH		SOLE		306,500	0	0
Boot Barn Hldgs, Inc.	com	099406100	4,936,352	60,800	SH		SOLE		60,800	0	0
CECO Environmental Corp.	com	125141101	6,654,699	416,700	SH		SOLE		416,700	0	0
CIRCOR International, Inc.	com	17273K109	5,457,925	97,900	SH		SOLE		97,900	0	0
CVD Equipment Corp.	com	126601103	684,971	103,000	SH		SOLE		103,000	0	0
Cadence Design System, Inc.	com	127387108	4,029,960	17,200	SH		SOLE		17,200	0	0
Cadre Hldgs, Inc.	com	12763L105	1,260,545	47,300	SH		SOLE		47,300	0	0
Caleres Inc.	com	129500104	2,415,840	84,000	SH		SOLE		84,000	0	0
Camtek, Ltd.	com	M20791105	10,358,819	166,380	SH		SOLE		166,380	0	0
Catalyst Pharmaceuticals, Inc.	com	14888U101	3,432,184	293,600	SH		SOLE		293,600	0	0
Ciena Corporation	com	171779309	3,317,652	70,200	SH		SOLE		70,200	0	0
Clean Harbors, Inc.	com	184496107	7,600,654	45,415	SH		SOLE		37,780	0	7,635
Clearwater Paper Corp	com	18538R103	3,661,250	101,000	SH		SOLE		101,000	0	0
Comfort Systems USA Inc.	com	199908104	2,385,740	14,000	SH		SOLE		14,000	0	0
Comstock Res	com	205768302	2,770,685	251,195	SH		SOLE		251,195	0	0
Constellium NV Cl A	com	F21107101	53,381,892	2,933,071	SH		SOLE		1,941,739	0	991,332
Crocs, Inc.	com	227046109	6,946,348	78,730	SH		SOLE		67,760	0	10,970
DMC Global, Inc.	com	23291C103	4,260,227	174,100	SH		SOLE		174,100	0	0
Dada Nexus Limited	com	23344D108	101,460	22,800	SH		SOLE		22,800	0	0
Deckers Outdoor Corp.	com	243537107	13,212,113	25,700	SH		SOLE		20,580	0	5,120
Destination XL Group, Inc.	com	25065K104	1,862,336	415,700	SH		SOLE		415,700	0	0
Digi International I	com	253798102	4,349,700	161,100	SH		SOLE		161,100	0	0
Dynavax Technologies Corp.	com	268158201	5,689,404	385,200	SH		SOLE		385,200	0	0
EPlus, Inc.	com	294268107	2,013,584	31,700	SH		SOLE		31,700	0	0
EZCorp, Inc.	com	302301106	4,911,225	595,300	SH		SOLE		595,300	0	0
Earthstone Energy Inc.	com	27032D304	4,869,744	240,600	SH		SOLE		240,600	0	0
Employers Holdings, Inc.	com	292218104	4,482,390	112,200	SH		SOLE		112,200	0	0
Encompass Health Corporation	com	29261A100	7,495,056	111,600	SH		SOLE		111,600	0	0
Everi Hldgs, Inc.	com	30034T103	3,291,780	249,000	SH		SOLE		249,000	0	0
Evolent Health, Inc.	com	30050B101	6,956,176	255,460	SH		SOLE		234,860	0	20,600
Extreme Networks, Inc.	com	30226D106	9,235,389	381,470	SH		SOLE		302,620	0	78,850
Fabrinet	com	G3323L100	3,698,964	22,200	SH		SOLE		22,200	0	0
Fastly, Inc.	com	31188V100	3,264,651	170,300	SH		SOLE		170,300	0	0
Federal Signal Corp.	com	313855108	5,459,322	91,400	SH		SOLE		91,400	0	0
First Merchants Corporation	com	320817109	2,028,078	72,900	SH		SOLE		72,900	0	0
FirstCash Holdings, Inc	com	33768G107	6,193,446	61,700	SH		SOLE		61,700	0	0
Flowserve Corporation	com	34354P105	8,385,107	210,840	SH		SOLE		192,900	0	17,940
Formfactor Inc.	com	346375108	6,572,214	188,100	SH		SOLE		188,100	0	0
Frontdoor, Inc.	com	35905A109	5,038,173	164,700	SH		SOLE		164,700	0	0
Full House Resorts, Inc.	com	359678109	952,821	223,143	SH		SOLE		223,143	0	0
G-III Apparel Group Ltd.	com	36237H101	3,588,480	144,000	SH		SOLE		144,000	0	0
Gibraltar Inds	com	374689107	2,410,107	35,700	SH		SOLE		35,700	0	0
Granite Construction	com	387328107	4,357,092	114,600	SH		SOLE		114,600	0	0
Grocery Outlet Hldg Corp.	com	39874R101	3,343,715	115,900	SH		SOLE		115,900	0	0
Grupo Aeroportuario del Centro	com	400501102	234,657	2,700	SH		SOLE		2,700	0	0
H&E Equipment Services, Inc.	com	404030108	3,982,118	92,200	SH		SOLE		92,200	0	0
HNI Corp.	com	404251100	5,876,711	169,700	SH		SOLE		169,700	0	0
Haemonetics Corp.	com	405024100	6,933,492	77,400	SH		SOLE		77,400	0	0
Halozyme Therapeutics, Inc.	com	40637H109	1,929,100	50,500	SH		SOLE		50,500	0	0
Hawkins, Inc.	com	420261109	2,095,060	35,600	SH		SOLE		35,600	0	0
Haynes Intl, Inc.	com	420877201	3,540,172	76,100	SH		SOLE		76,100	0	0
Helix Energy Solutions Group,	com	42330P107	3,748,652	335,600	SH		SOLE		335,600	0	0
Heritage Financial Corporation	com	42722X106	2,218,160	136,000	SH		SOLE		136,000	0	0
Hexcel Corporation	com	428291108	4,774,762	73,300	SH		SOLE		73,300	0	0
Huron Consulting Group, Inc.	com	447462102	5,822,544	55,900	SH		SOLE		55,900	0	0
ICF International, Inc.	com	44925C103	11,561,517	95,700	SH		SOLE		95,700	0	0
Impinj, Inc.	com	453204109	1,964,571	35,700	SH		SOLE		35,700	0	0
Inmode Ltd.	com	M5425M103	5,490,720	180,260	SH		SOLE		169,260	0	11,000
Inter Parfums	com	458334109	5,588,544	41,600	SH		SOLE		41,600	0	0
International Seaways, Inc.	com	Y41053102	3,892,500	86,500	SH		SOLE		86,500	0	0
JELD-WEN Holding, Inc.	com	47580P103	3,305,264	247,400	SH		SOLE		247,400	0	0
JP Morgan Chase & Company Inc.	com	46625H100	580,666	4,004	SH		SOLE		140	0	3,864
Janus International Group, Inc	com	47103N106	4,051,020	378,600	SH		SOLE		378,600	0	0
Johnson & Johnson	com	478160104	394,581	2,533	SH		SOLE		0	0	2,533
LSI Industries Inc.	com	50216C108	4,743,356	298,700	SH		SOLE		298,700	0	0
Lantheus Hldgs Inc.	com	516544103	11,765,743	169,340	SH		SOLE		154,980	0	14,360
LeMaitre Vascular, Inc.	com	525558201	3,105,360	57,000	SH		SOLE		57,000	0	0
Legend Biotech Corp.	com	52490G102	1,074,720	16,000	SH		SOLE		16,000	0	0
Li Auto, Inc. ADR	com	50202M102	1,354,700	38,000	SH		SOLE		38,000	0	0
Liberty Energy, Inc.	com	53115L104	2,766,888	149,400	SH		SOLE		149,400	0	0
M/I Homes, Inc.	com	55305B101	3,722,972	44,300	SH		SOLE		44,300	0	0
MGP Ingredients, Inc.	com	55303J106	5,659,002	53,650	SH		SOLE		53,500	0	150
MINISO Group Holding Limited	com	66981J102	2,341,360	90,400	SH		SOLE		90,400	0	0
Magnolia Oil & Gas Corp.	com	559663109	2,268,090	99,000	SH		SOLE		99,000	0	0
Mannkind Corp.	com	56400P706	3,297,392	798,400	SH		SOLE		798,400	0	0
Mastercard, Inc.	com	57636Q104	326,744	825	SH		SOLE		0	0	825
Matador Resources Company	com	576485205	2,890,728	48,600	SH		SOLE		48,600	0	0
Maximus, Inc.	com	577933104	4,122,336	55,200	SH		SOLE		55,200	0	0
McDonald's Corporation	com	580135101	221,746	842	SH		SOLE		0	0	842
McGrath RentCorp	com	580589109	2,115,064	21,100	SH		SOLE		21,100	0	0
Mercantile Bank Corp.	com	587376104	2,645,975	85,603	SH		SOLE		64,500	0	21,103
Merit Medical System Inc	com	589889104	6,602,453	95,660	SH		SOLE		95,660	0	0
Microsoft Corp.	com	594918104	895,151	2,835	SH		SOLE		0	0	2,835
Model N, Inc.	com	607525102	5,893,306	241,430	SH		SOLE		214,710	0	26,720
Modine Mfg Co Com	com	607828100	3,870,450	84,600	SH		SOLE		84,600	0	0
Monarch Casino & Resort, Inc.	com	609027107	3,340,980	53,800	SH		SOLE		53,800	0	0
Murphy USA, Inc.	com	626755102	2,289,591	6,700	SH		SOLE		6,700	0	0
NOV, Inc.	com	62955J103	2,946,900	141,000	SH		SOLE		141,000	0	0
Navitas Semiconductor Corp.	com	63942X106	6,341,875	912,500	SH		SOLE		911,700	0	800
NeoGenomics, Inc.	com	64049M209	3,608,820	293,400	SH		SOLE		293,400	0	0
Nextracker, Inc.	com	65290E101	3,907,568	97,300	SH		SOLE		97,300	0	0
Onto Innovation, Inc.	com	683344105	5,241,072	41,100	SH		SOLE		41,100	0	0
Option Care Health Inc.	com	68404L201	5,428,330	167,800	SH		SOLE		167,800	0	0
Oshkosh Corp.	com	688239201	5,166,193	54,136	SH		SOLE		54,100	0	36
Osi Systems, Inc.	com	671044105	2,998,216	25,400	SH		SOLE		25,400	0	0
Oxford Inds, Inc.	com	691497309	2,903,126	30,200	SH		SOLE		30,200	0	0
PDD Holdings Inc.	com	722304102	2,451,750	25,000	SH		SOLE		25,000	0	0
Parsons Corp.	com	70202L102	7,136,155	131,300	SH		SOLE		131,300	0	0
Patterson-Uti Energy, Inc.	com	703481101	3,621,928	261,700	SH		SOLE		261,700	0	0
Pdf Solutions, Inc.	com	693282105	2,138,400	66,000	SH		SOLE		66,000	0	0
Perion Network, Ltd.	com	M78673114	14,404,983	470,290	SH		SOLE		438,020	0	32,270
PetlQ Inc	com	71639T106	4,326,120	219,600	SH		SOLE		219,600	0	0
Photronics, Inc.	com	719405102	4,650,321	230,100	SH		SOLE		230,100	0	0
Playa Hotels & Resorts N.V.	com	N70544106	5,078,860	701,500	SH		SOLE		701,500	0	0
Powell Industries Inc.	com	739128106	2,105,660	25,400	SH		SOLE		25,400	0	0
Power Integrations	com	739276103	7,216,833	94,573	SH		SOLE		84,991	0	9,582
Preferred Bank	com	740367404	5,141,850	82,600	SH		SOLE		82,600	0	0
Primo Water Corp.	com	74167P108	2,918,700	211,500	SH		SOLE		211,500	0	0
Primoris Services Corp.	com	74164F103	5,845,578	178,600	SH		SOLE		178,600	0	0
Quaker Chemical Corporation	com	747316107	4,080,000	25,500	SH		SOLE		25,500	0	0
Qualys, Inc.	com	74758T303	2,532,330	16,600	SH		SOLE		16,600	0	0
Quanterix Corp.	com	74766Q101	2,263,476	83,400	SH		SOLE		83,400	0	0
RPC, Inc.	com	749660106	6,334,672	708,576	SH		SOLE		632,751	0	75,825
Rapid7, Inc.	com	753422104	2,009,742	43,900	SH		SOLE		43,900	0	0
Resmed Inc.	com	761152107	214,412	1,450	SH		SOLE		0	0	1,450
Rover Group, Inc.	com	77936F103	2,554,080	408,000	SH		SOLE		408,000	0	0
SI-BONE, Inc.	com	825704109	6,692,724	315,100	SH		SOLE		315,100	0	0
SP Plus Corporation	com	78469C103	4,422,250	122,500	SH		SOLE		122,500	0	0
SPX Technologies, Inc.	com	78473E103	5,535,200	68,000	SH		SOLE		68,000	0	0
Scansource, Inc.	com	806037107	2,899,576	95,664	SH		SOLE		95,664	0	0
SeaWorld Entertainment Inc.	com	81282v100	5,516,700	119,280	SH		SOLE		102,920	0	16,360
Shoals Technology Group, Inc.	com	82489W107	3,180,975	174,300	SH		SOLE		174,300	0	0
Simpson Manufacturing	com	829073105	2,202,207	14,700	SH		SOLE		14,700	0	0
Sterling Construction Co., Inc	com	859241101	8,082,800	110,000	SH		SOLE		110,000	0	0
Sun Country Airlines Holdings,	com	866683105	4,199,720	283,000	SH		SOLE		283,000	0	0
Super Micro Computer Inc.	com	86800U104	4,305,254	15,700	SH		SOLE		15,700	0	0
Tactile Sys Technology, Inc.	com	87357P100	4,641,418	330,350	SH		SOLE		330,350	0	0
Taiwan Semiconductor	com	874039100	1,042,800	12,000	SH		SOLE		12,000	0	0
Texas Roadhouse	com	882681109	1,970,050	20,500	SH		SOLE		20,500	0	0
The Chefs Warehouse, Inc.	com	163086101	3,100,752	146,400	SH		SOLE		146,400	0	0
The Gorman-Rupp Co.	com	383082104	2,138,500	65,000	SH		SOLE		65,000	0	0
The Travelers Co., Inc.	com	89417E109	358,285	2,194	SH		SOLE		0	0	2,194
Titan Oil & Gas, Inc.	com	888309101	0	10,000	SH		SOLE		0	0	10,000
TransMedics Group, Inc.	com	89377M109	8,272,725	151,100	SH		SOLE		151,100	0	0
Treace Medical Concepts, Inc.	com	89455T109	4,661,916	355,600	SH		SOLE		355,600	0	0
Trex Company, Inc.	com	89531P105	1,873,552	30,400	SH		SOLE		30,400	0	0
UNUM Group	com	91529Y106	3,772,873	76,700	SH		SOLE		76,700	0	0
Ultra Clean Holdings	com	90385V107	6,471,027	218,100	SH		SOLE		218,100	0	0
Universal Display Corp.	com	91347P105	9,735,735	62,015	SH		SOLE		56,970	0	5,045
Upwork, Inc.	com	91688F104	1,629,024	143,400	SH		SOLE		143,400	0	0
V2X, Inc.	com	92242T101	5,811,750	112,500	SH		SOLE		112,500	0	0
VSE Corp.	com	918284100	2,405,988	47,700	SH		SOLE		47,700	0	0
Veeco Instruments, Inc.	com	922417100	6,375,348	226,800	SH		SOLE		226,800	0	0
Veracyte, Inc.	com	92337F107	13,343,068	597,540	SH		SOLE		561,970	0	35,570
Vertiv Holdings Co.	com	92537N108	14,172,828	380,990	SH		SOLE		366,220	0	14,770
Vishay Precision Group	com	92835K103	1,830,110	54,500	SH		SOLE		54,500	0	0
Visteon Corp.	com	92839U206	8,003,918	57,970	SH		SOLE		57,970	0	0
Wal Mart Stores Inc.	com	931142103	215,823	1,349	SH		SOLE		0	0	1,349
Washington Federal, Inc.	com	938824109	2,041,914	79,700	SH		SOLE		79,700	0	0
Weatherford International PLC	com	G48833118	17,787,784	196,920	SH		SOLE		178,260	0	18,660
Weave Communications, Inc.	com	94724R108	4,267,340	523,600	SH		SOLE		523,600	0	0
Wingstop, Inc.	com	974155103	2,553,728	14,200	SH		SOLE		14,200	0	0
Woodward, Inc.	com	980745103	6,063,888	48,800	SH		SOLE		48,800	0	0
Xenacare Hldgs, Inc.	com	98401A106	0	140,000	SH		SOLE		0	0	140,000
Zeta Global Holdings Corp.	com	98956A105	5,633,745	674,700	SH		SOLE		674,700	0	0
e.l.f. Beauty, Inc.	com	26856L103	2,394,294	21,800	SH		SOLE		21,800	0	0
SPDR S&P 500 ETF Trust	com	78462F103	1,537,837	3,597	SH		SOLE		0	0	3,597

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