Oberweis Asset Management 13FHR Quarterly holdings report by institutional manager | SEC 14 Aug 24

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	3,426,318	63,900	SH		SOLE		63,900	0	0
ACI Worldwide Inc.	COM	004498101	16,337,289	412,662	SH		SOLE		412,662	0	0
ACM Research, Inc. Class A	COM	00108J109	10,172,458	441,130	SH		SOLE		441,130	0	0
ADMA Biologics, Inc.	COM	000899104	22,815,026	2,040,700	SH		SOLE		2,040,700	0	0
AMR Corp Escrow	COM	001ESC102	0	18,000	SH		SOLE		18,000	0	0
ANI Pharmaceuticals, Inc.	COM	00182C103	2,770,080	43,500	SH		SOLE		43,500	0	0
ATI, Inc.	COM	01741R102	4,918,415	88,700	SH		SOLE		88,700	0	0
AXT Inc	COM	00246W103	2,227,491	659,021	SH		SOLE		659,021	0	0
Abercrombie & Fitch Co.	COM	002896207	16,130,088	90,700	SH		SOLE		90,700	0	0
Addus Homecare Corp.	COM	006739106	5,515,225	47,500	SH		SOLE		47,500	0	0
Aehr Test Systems	COM	00760J108	5,969,248	534,400	SH		SOLE		534,400	0	0
Aerovironment, Inc.	COM	008073108	13,851,446	76,040	SH		SOLE		70,250	0	5,790
Allegro MicroSystems, Inc.	COM	01749D105	6,385,064	226,100	SH		SOLE		226,100	0	0
Alpha & Omega Semiconductor	COM	G6331P104	6,726,600	180,000	SH		SOLE		180,000	0	0
Alphatec Hldgs Inc.	COM	02081G201	13,870,912	1,327,360	SH		SOLE		1,250,220	0	77,140
American Superconductor	COM	030111207	15,540,316	664,400	SH		SOLE		664,400	0	0
Amgen, Inc.	COM	031162100	334,571	1,071	SH		SOLE		0	0	1,071
Amphastar Pharmaceuticals, Inc	COM	03209R103	5,402,200	135,055	SH		SOLE		115,920	0	19,135
Apple, Inc.	COM	037833100	712,266	3,382	SH		SOLE		120	0	3,262
Applied Optoelectronics Inc.	COM	03823U102	7,178,435	865,915	SH		SOLE		865,915	0	0
Arcos Dorados Holdings, Inc.	COM	G0457F107	270,000	30,000	SH		SOLE		30,000	0	0
Ardelyx, Inc.	COM	039697107	2,755,038	371,800	SH		SOLE		371,800	0	0
Aris Water Solutions, Inc.	COM	04041L106	3,528,884	225,200	SH		SOLE		225,200	0	0
Arlo Technologies, Inc.	COM	04206A101	3,565,136	273,400	SH		SOLE		273,400	0	0
Artivion, Inc	COM	228903100	7,243,560	282,400	SH		SOLE		282,400	0	0
Assurant, Inc.	COM	04621X108	10,290,875	61,900	SH		SOLE		61,900	0	0
AvePoint, Inc.	COM	053604104	3,087,446	296,300	SH		SOLE		296,300	0	0
Aviat Networks, Inc.	COM	05366Y201	5,718,118	199,307	SH		SOLE		199,307	0	0
Axcelis Technologies	COM	054540208	13,052,900	91,799	SH		SOLE		79,659	0	12,140
Azek Co., Inc.	COM	05478C105	12,841,224	304,800	SH		SOLE		304,800	0	0
BBB Foods, Inc.	COM	G0896C103	262,460	11,000	SH		SOLE		11,000	0	0
BJ's Restaurants, Inc.	COM	09180C106	2,519,220	72,600	SH		SOLE		72,600	0	0
Backblaze, Inc.	COM	05637B105	3,318,392	538,700	SH		SOLE		538,700	0	0
Badger Meter	COM	056525108	9,541,120	51,200	SH		SOLE		51,200	0	0
Bioventus, Inc.	COM	09075A108	2,190,256	380,914	SH		SOLE		380,914	0	0
Blackbaud	COM	09227Q100	5,164,326	67,800	SH		SOLE		67,800	0	0
Blue Bird Corporation	COM	095306106	16,106,535	299,100	SH		SOLE		299,100	0	0
Boot Barn Hldgs, Inc.	COM	099406100	8,947,742	69,400	SH		SOLE		69,400	0	0
CECO Environmental Corp.	COM	125141101	11,387,095	394,700	SH		SOLE		394,700	0	0
Cabot Corp.	COM	127055101	12,359,205	134,500	SH		SOLE		134,500	0	0
Cadence Design System, Inc.	COM	127387108	3,939,200	12,800	SH		SOLE		12,800	0	0
Camtek, Ltd.	COM	M20791105	22,315,263	178,180	SH		SOLE		178,180	0	0
CareDx, Inc.	COM	14167L103	3,888,712	250,400	SH		SOLE		250,400	0	0
Carpenter Technology Corp.	COM	144285103	8,185,626	74,700	SH		SOLE		74,700	0	0
Catalyst Pharmaceuticals, Inc.	COM	14888U101	7,100,616	458,400	SH		SOLE		458,400	0	0
Cellebrite DI Ltd.	COM	M2197Q107	7,213,020	603,600	SH		SOLE		603,600	0	0
Century Communities, Inc.	COM	156504300	15,523,566	190,100	SH		SOLE		190,100	0	0
Clean Harbors, Inc.	COM	184496107	23,348,857	103,245	SH		SOLE		94,820	0	8,425
Clear Secure, Inc.	COM	18467V109	9,789,072	523,200	SH		SOLE		523,200	0	0
Clearwater Paper Corp	COM	18538R103	5,438,334	112,200	SH		SOLE		112,200	0	0
Comfort Systems USA Inc.	COM	199908104	7,329,292	24,100	SH		SOLE		24,100	0	0
Constellium NV Cl A	COM	F21107101	34,662,718	1,838,871	SH		SOLE		1,156,439	0	682,432
Credo Technology Group	COM	G25457105	24,923,740	780,330	SH		SOLE		779,930	0	400
Crocs, Inc.	COM	227046109	18,548,974	127,100	SH		SOLE		117,010	0	10,090
Deckers Outdoor Corp.	COM	243537107	9,147,128	9,450	SH		SOLE		8,155	0	1,295
Despegar Com Corp.	COM	G27358103	3,646,188	275,600	SH		SOLE		275,600	0	0
DiDi Global Inc. ADR	COM	23292E108	538,200	130,000	SH		SOLE		130,000	0	0
Dorian LPG Ltd.	COM	Y2106R110	3,558,208	84,800	SH		SOLE		84,800	0	0
Duolingo, Inc.	COM	26603R106	5,738,425	27,500	SH		SOLE		27,500	0	0
Dutch Bros., Inc.	COM	26701L100	6,321,780	152,700	SH		SOLE		152,700	0	0
Dynavax Technologies Corp.	COM	268158201	3,720,499	331,300	SH		SOLE		331,300	0	0
ESAB Corporation	COM	29605J106	14,230,601	150,700	SH		SOLE		150,700	0	0
EZCorp, Inc.	COM	302301106	7,177,185	685,500	SH		SOLE		685,500	0	0
Embraer Embraer S.A. Spon Adr	COM	29082A107	265,740	10,300	SH		SOLE		10,300	0	0
Employers Holdings, Inc.	COM	292218104	3,943,275	92,500	SH		SOLE		92,500	0	0
Encompass Health Corporation	COM	29261A100	25,066,722	292,187	SH		SOLE		281,400	0	10,787
Enerpac Tool Group Corp.	COM	292765104	2,951,314	77,300	SH		SOLE		77,300	0	0
Evolus, Inc.	COM	30052C107	5,586,665	514,900	SH		SOLE		514,900	0	0
Exlservice Holdings	COM	302081104	5,676,160	181,000	SH		SOLE		181,000	0	0
Fabrinet	COM	G3323L100	6,829,641	27,900	SH		SOLE		27,900	0	0
Federal Signal Corp.	COM	313855108	12,996,461	155,330	SH		SOLE		155,200	0	130
First Merchants Corporation	COM	320817109	4,107,986	123,400	SH		SOLE		123,400	0	0
FirstCash Holdings, Inc	COM	33768G107	8,621,136	82,200	SH		SOLE		82,200	0	0
Flowserve Corporation	COM	34354P105	17,803,455	370,134	SH		SOLE		351,389	0	18,745
Formfactor Inc.	COM	346375108	18,508,863	305,780	SH		SOLE		298,390	0	7,390
Frontdoor, Inc.	COM	35905A109	9,984,945	295,500	SH		SOLE		292,400	0	3,100
Genedx Holdings Corp.	COM	81663L200	3,189,080	122,000	SH		SOLE		122,000	0	0
Gentherm, Inc.	COM	37253A103	4,542,372	92,100	SH		SOLE		92,100	0	0
Gibraltar Inds	COM	374689107	6,039,255	88,100	SH		SOLE		88,100	0	0
Grand Canyon Education, Inc.	COM	38526M106	7,219,356	51,600	SH		SOLE		51,600	0	0
Haemonetics Corp.	COM	405024100	13,674,855	165,295	SH		SOLE		156,210	0	9,085
Hawkins, Inc.	COM	420261109	4,004,000	44,000	SH		SOLE		44,000	0	0
HealthEquity Inc.	COM	42226A107	5,568,520	64,600	SH		SOLE		64,600	0	0
Helix Energy Solutions Group,	COM	42330P107	4,865,550	407,500	SH		SOLE		407,500	0	0
Hims & Hers Health, Inc.	COM	433000106	15,849,150	785,000	SH		SOLE		785,000	0	0
Huron Consulting Group, Inc.	COM	447462102	3,989,250	40,500	SH		SOLE		40,500	0	0
ICF International, Inc.	COM	44925C103	16,612,674	111,900	SH		SOLE		111,900	0	0
Imax Corp.	COM	45245E109	6,305,520	376,000	SH		SOLE		376,000	0	0
Informatica Corp.	COM	45674M101	11,728,224	379,800	SH		SOLE		379,800	0	0
Installed Building Products, I	COM	45780R101	11,456,376	55,700	SH		SOLE		55,700	0	0
Integer Holdings Corporation	COM	45826H109	13,802,168	119,200	SH		SOLE		119,200	0	0
International Seaways, Inc.	COM	Y41053102	8,964,108	151,600	SH		SOLE		151,600	0	0
Itron Inc	COM	465741106	15,081,504	152,400	SH		SOLE		152,400	0	0
JP Morgan Chase & Company Inc.	COM	46625H100	769,949	3,807	SH		SOLE		140	0	3,667
Janus International Group, Inc	COM	47103N106	7,084,167	560,900	SH		SOLE		560,900	0	0
Johnson & Johnson	COM	478160104	317,252	2,171	SH		SOLE		0	0	2,171
Kanzhun Limited ADR	COM	48553T106	451,440	24,000	SH		SOLE		24,000	0	0
Kirby Corp.	COM	497266106	5,310,026	44,350	SH		SOLE		44,300	0	50
Krystal Biotech, Inc.	COM	501147102	7,823,064	42,600	SH		SOLE		42,600	0	0
LeMaitre Vascular, Inc.	COM	525558201	8,285,814	100,703	SH		SOLE		100,703	0	0
Liberty Energy, Inc.	COM	53115L104	5,872,179	281,100	SH		SOLE		281,100	0	0
Light & Wonder Inc.	COM	80874P109	5,799,864	55,300	SH		SOLE		55,300	0	0
Limbach Hldgs, Inc.	COM	53263P105	9,382,064	164,800	SH		SOLE		164,800	0	0
Liquidia Corp.	COM	53635D202	2,198,400	183,200	SH		SOLE		183,200	0	0
LivaNova Plc	COM	G5509L101	17,689,592	322,685	SH		SOLE		314,410	0	8,275
Liveramp Hldgs, Inc.	COM	53815P108	15,860,772	512,630	SH		SOLE		495,790	0	16,840
M/I Homes, Inc.	COM	55305B101	4,922,242	40,300	SH		SOLE		40,300	0	0
MSA Safety Inc	COM	553498106	9,572,190	51,000	SH		SOLE		51,000	0	0
Magnite, Inc.	COM	55955D100	2,658,000	200,000	SH		SOLE		200,000	0	0
Magnolia Oil & Gas Corp.	COM	559663109	6,677,090	263,500	SH		SOLE		263,500	0	0
MakeMyTrip Ltd.	COM	V5633W109	1,463,340	17,400	SH		SOLE		17,400	0	0
Mannkind Corp.	COM	56400P706	4,169,736	798,800	SH		SOLE		798,800	0	0
Mastercard, Inc.	COM	57636Q104	342,230	776	SH		SOLE		0	0	776
Matador Resources Company	COM	576485205	6,621,560	111,100	SH		SOLE		111,100	0	0
Matrix Service Co.	COM	576853105	2,095,975	211,075	SH		SOLE		211,075	0	0
Maximus, Inc.	COM	577933104	9,478,420	110,600	SH		SOLE		110,600	0	0
McDonald's Corporation	COM	580135101	215,480	846	SH		SOLE		0	0	846
Mercantile Bank Corp.	COM	587376104	3,646,883	89,891	SH		SOLE		68,700	0	21,191
Merck & Co.	COM	58933Y105	214,174	1,730	SH		SOLE		0	0	1,730
Merit Medical System Inc	COM	589889104	16,660,548	193,840	SH		SOLE		186,120	0	7,720
Micron Technology	COM	595112103	394,590	3,000	SH		SOLE		3,000	0	0
Microsoft Corp.	COM	594918104	1,217,939	2,725	SH		SOLE		0	0	2,725
Myriad Genetics Inc.	COM	62855J104	8,822,722	360,700	SH		SOLE		360,700	0	0
Navitas Semiconductor Corp.	COM	63942X106	3,981,876	1,013,200	SH		SOLE		1,013,200	0	0
NeoGenomics, Inc.	COM	64049M209	9,274,869	668,700	SH		SOLE		668,700	0	0
Nextracker, Inc.	COM	65290E101	13,074,832	278,900	SH		SOLE		278,900	0	0
OneSpaWorld Holdings Limited	COM	P73684113	6,461,548	420,400	SH		SOLE		420,400	0	0
OneSpan, Inc.	COM	68287N100	4,752,374	370,700	SH		SOLE		370,700	0	0
Onto Innovation, Inc.	COM	683344105	28,442,900	129,545	SH		SOLE		124,795	0	4,750
Oscar Health, Inc.	COM	687793109	6,446,650	407,500	SH		SOLE		407,500	0	0
Oshkosh Corp.	COM	688239201	19,777,432	182,786	SH		SOLE		172,576	0	10,210
Osi Systems, Inc.	COM	671044105	9,516,384	69,200	SH		SOLE		69,200	0	0
Oxford Inds, Inc.	COM	691497309	2,343,510	23,400	SH		SOLE		23,400	0	0
PDD Holdings Inc. ADR	COM	722304102	1,595,400	12,000	SH		SOLE		12,000	0	0
Parsons Corp.	COM	70202L102	12,199,507	149,120	SH		SOLE		137,040	0	12,080
PetlQ Inc	COM	71639T106	7,515,842	340,700	SH		SOLE		340,700	0	0
Photronics, Inc.	COM	719405102	6,562,220	266,000	SH		SOLE		266,000	0	0
Playa Hotels & Resorts N.V.	COM	N70544106	6,481,275	772,500	SH		SOLE		772,500	0	0
Powell Industries Inc.	COM	739128106	2,409,120	16,800	SH		SOLE		16,800	0	0
Precision Drilling Corp.	COM	74022D407	4,199,298	59,700	SH		SOLE		59,700	0	0
Preferred Bank	COM	740367404	7,171,550	95,000	SH		SOLE		95,000	0	0
Primo Water Corp.	COM	74167P108	7,071,710	323,500	SH		SOLE		323,500	0	0
Primoris Services Corp.	COM	74164F103	10,471,911	209,900	SH		SOLE		209,900	0	0
Proto Labs Inc.	COM	743713109	3,011,775	97,500	SH		SOLE		97,500	0	0
Q2 Holdings, Inc.	COM	74736L109	5,074,356	84,110	SH		SOLE		84,110	0	0
Quaker Chemical Corporation	COM	747316107	9,231,680	54,400	SH		SOLE		54,400	0	0
RPC, Inc.	COM	749660106	3,988,520	638,163	SH		SOLE		609,400	0	28,763
Resmed Inc.	COM	761152107	277,559	1,450	SH		SOLE		0	0	1,450
Rev Group, Inc.	COM	749527107	2,740,389	110,100	SH		SOLE		110,100	0	0
Rush Street Interactive, Inc.	COM	782011100	9,320,521	971,900	SH		SOLE		971,900	0	0
RxSight, Inc.	COM	78349D107	7,619,929	126,640	SH		SOLE		126,640	0	0
SI-BONE, Inc.	COM	825704109	3,567,387	275,900	SH		SOLE		275,900	0	0
SPS Comm Inc.	COM	78463M107	5,983,488	31,800	SH		SOLE		31,800	0	0
SPX Technologies, Inc.	COM	78473E103	10,589,430	74,500	SH		SOLE		74,500	0	0
Semrush Holdings, Inc.	COM	81686C104	2,131,688	159,200	SH		SOLE		159,200	0	0
SharkNinja, Inc.	COM	G8068L108	29,658,699	394,660	SH		SOLE		380,115	0	14,545
Silicon Laboratories, Inc.	COM	826919102	12,113,985	109,500	SH		SOLE		109,500	0	0
Silicon Motion Techn ADR	COM	82706C108	22,458,527	277,300	SH		SOLE		277,300	0	0
Skyward Specialty Ins Group	COM	830940102	4,580,388	126,600	SH		SOLE		126,600	0	0
Skywest Inc	COM	830879102	23,886,474	291,050	SH		SOLE		289,300	0	1,750
Sprouts Farmers Markets LLC	COM	85208M102	9,077,110	108,500	SH		SOLE		108,500	0	0
Sterling Construction Co., Inc	COM	859241101	3,230,682	27,300	SH		SOLE		27,300	0	0
Strategic Education, Inc.	COM	86272C103	9,273,308	83,800	SH		SOLE		83,800	0	0
Stride, Inc.	COM	86333M108	8,692,650	123,300	SH		SOLE		123,300	0	0
Sweetgreen, Inc.	COM	87043Q108	2,780,445	92,251	SH		SOLE		92,251	0	0
Taiwan Semiconductor ADR	COM	874039100	3,215,485	18,500	SH		SOLE		18,500	0	0
Tandem Diabetes Care, Inc.	COM	875372203	11,361,780	282,000	SH		SOLE		282,000	0	0
Tencent Music Entertainment AD	COM	88034P109	1,124,000	80,000	SH		SOLE		80,000	0	0
The Gorman-Rupp Co.	COM	383082104	2,529,319	68,900	SH		SOLE		68,900	0	0
The Travelers Co., Inc.	COM	89417E109	414,798	2,040	SH		SOLE		0	0	2,040
The Vita Coco Co., Inc.	COM	92846Q107	4,606,390	165,400	SH		SOLE		165,400	0	0
Tidewater Inc	COM	88642r109	14,100,125	148,095	SH		SOLE		146,260	0	1,835
TransMedics Group, Inc.	COM	89377M109	28,179,496	187,090	SH		SOLE		187,090	0	0
Transcat, Inc.	COM	893529107	3,482,688	29,100	SH		SOLE		29,100	0	0
Trex Company, Inc.	COM	89531P105	6,633,740	89,500	SH		SOLE		89,500	0	0
Ultra Clean Holdings	COM	90385V107	15,660,400	319,600	SH		SOLE		319,600	0	0
Universal Display Corp.	COM	91347P105	21,035,113	100,048	SH		SOLE		94,416	0	5,632
Universal Logistics Holdings	COM	91388P105	2,524,698	62,200	SH		SOLE		62,200	0	0
Universal Stainless And Alloy	COM	913837100	2,215,042	80,900	SH		SOLE		80,900	0	0
Upwork, Inc.	COM	91688F104	5,043,900	469,200	SH		SOLE		469,200	0	0
VSE Corp.	COM	918284100	5,852,964	66,300	SH		SOLE		66,300	0	0
VTEX	COM	G9470A102	306,372	42,200	SH		SOLE		42,200	0	0
Veeco Instruments, Inc.	COM	922417100	13,634,649	291,900	SH		SOLE		291,900	0	0
Veracyte, Inc.	COM	92337F107	14,174,347	654,100	SH		SOLE		621,160	0	32,940
Verint Sys Inc.	COM	92343x100	4,830,000	150,000	SH		SOLE		150,000	0	0
Vertiv Holdings Co.	COM	92537N108	11,151,120	128,810	SH		SOLE		116,180	0	12,630
Vital Energy, Inc.	COM	516806205	5,104,998	113,900	SH		SOLE		113,900	0	0
Wal Mart Stores Inc.	COM	931142103	218,876	3,233	SH		SOLE		0	0	3,233
Weatherford International PLC	COM	G48833118	35,849,687	292,770	SH		SOLE		281,280	0	11,490
Weave Communications, Inc.	COM	94724R108	5,496,788	609,400	SH		SOLE		609,400	0	0
Willdan Group Inc.	COM	96924N100	2,282,035	79,100	SH		SOLE		79,100	0	0
Wingstop, Inc.	COM	974155103	10,312,904	24,400	SH		SOLE		24,400	0	0
Woodward, Inc.	COM	980745103	14,229,408	81,600	SH		SOLE		81,600	0	0
Xenacare Hldgs, Inc.	COM	98401A106	0	140,000	SH		SOLE		0	0	140,000
Zeta Global Holdings Corp.	COM	98956A105	28,034,907	1,588,380	SH		SOLE		1,504,680	0	83,700
e.l.f. Beauty, Inc.	COM	26856L103	14,733,542	69,920	SH		SOLE		69,920	0	0
SPDR S&P 500 ETF Trust	COM	78462F103	1,950,875	3,585	SH		SOLE		0	0	3,585

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