OBERWEIS ASSET MANAGEMENT INC/ Q4 2019 Filing

Filed February 14, 2020

Portfolio Value

$300.2M

Holdings

200

Report Date

Q4 2019

Filing Type

13F-HR

All Holdings (200 positions)

#	Stock	Shares	Value	% Portfolio
1	CSTMConstellium NV Cl A	2,468,925	$33.1M	11.02%
2	—Audio Codes ADR	1,126,187	$28.9M	9.64%
3	NOMDNomad Foods Ltd.	1,018,679	$22.8M	7.59%
4	BABAAlibaba ADR	36,075	$7.7M	2.55%
5	EHTHEhealth, Inc.	78,132	$7.5M	2.50%
6	TNDMTandem Diabetes Care, Inc.	109,940	$6.6M	2.18%
7	BOOMDMC Global, Inc.	134,721	$6.1M	2.02%
8	PRDOPerdoceo Education Corp.	302,129	$5.6M	1.85%
9	SKYWSkywest Inc	77,008	$5.0M	1.66%
10	VCELVericel Corp.	275,123	$4.8M	1.59%
11	SKYSkyline Champion Corp	146,803	$4.7M	1.55%
12	UPLDUpland Software, Inc.	120,035	$4.3M	1.43%
13	BANDBandwidth, Inc.	63,289	$4.1M	1.35%
14	CA8ACACI International, Inc.	14,265	$3.6M	1.19%
15	IPHIINPHI Corp.	40,230	$3.0M	0.99%
16	GDSGDS Holdings Ltd. ADR	54,561	$2.8M	0.94%
17	WW6WW International, Inc.	72,850	$2.8M	0.93%
18	ADUSAddus Homecare Corp.	27,470	$2.7M	0.89%
19	RUBIEURRubicon Project Inc	296,770	$2.4M	0.81%
20	TREXTrex Company, Inc.	25,030	$2.3M	0.75%
21	MBUUMalibu Boats, Inc.	53,930	$2.2M	0.74%
22	SCTLRecro Pharma, Inc.	119,500	$2.2M	0.73%
23	DECKDeckers Outdoor Corp.	12,480	$2.1M	0.70%
24	—Cornerstone Ondemand, Inc.	34,850	$2.0M	0.68%
25	TALTal Education Group ADR	40,000	$1.9M	0.64%
26	ACLSAxcelis Technologies	80,000	$1.9M	0.64%
27	EDUNew Oriental Education ADR	15,500	$1.9M	0.63%
28	CSTLCastle Biosciences, Inc.	51,200	$1.8M	0.59%
29	RPDRapid7, Inc.	31,010	$1.7M	0.58%
30	GTLSChart Industries Inc.	25,150	$1.7M	0.57%
31	EFSCEnterprise Finl Svcs	34,620	$1.7M	0.56%
32	MGRCMcGrath RentCorp	21,600	$1.7M	0.55%
33	KNKnowles Corp.	77,700	$1.6M	0.55%
34	—Zix Corp.	238,470	$1.6M	0.54%
35	—LiqTech International, Inc	252,980	$1.5M	0.49%
36	—Telaria, Inc.	166,800	$1.5M	0.49%
37	—Cabot Microelectronics Corp.	10,000	$1.4M	0.48%
38	POWLPowell Industries Inc.	29,300	$1.4M	0.48%
39	BIDUNBaidu Inc. Spon ADR	11,260	$1.4M	0.47%
40	JDJD.com ADR	40,250	$1.4M	0.47%
41	ZM3Zumiez Inc.	40,100	$1.4M	0.46%
42	NSSCNapco Sec Technologies, Inc.	46,137	$1.4M	0.45%
43	—Cardtronics, Inc.	29,600	$1.3M	0.44%
44	OSPNOneSpan, Inc.	74,200	$1.3M	0.42%
45	CUTREURCutera Inc	34,900	$1.3M	0.42%
46	INMDInmode Ltd.	31,800	$1.2M	0.42%
47	WSMWilliams-Sonoma, Inc.	16,910	$1.2M	0.41%
48	UCTTUltra Clean Holdings	52,300	$1.2M	0.41%
49	AMRCAmeresco, Inc.	69,808	$1.2M	0.41%
50	SPYSPDR S&P 500 ETF Trust	3,794	$1.2M	0.41%
51	HTHTHuazhu Group Ltd ADR	30,000	$1.2M	0.40%
52	CPFCentral Pacific Financial Corp	40,500	$1.2M	0.40%
53	CNMDConmed Corporation	10,570	$1.2M	0.39%
54	ON1Old National Bancorp	64,615	$1.2M	0.39%
55	AMEDAmedisys Inc.	7,055	$1.2M	0.39%
56	ALNTAllied Motion Technologies	23,800	$1.2M	0.38%
57	PRFTUSDPerficient Inc.	24,800	$1.1M	0.38%
58	GTNGray Television, Inc.	53,250	$1.1M	0.38%
59	PDDPinduoduo Inc.	30,000	$1.1M	0.38%
60	—Physicians Realty Trust	59,731	$1.1M	0.38%
61	TFINTriumph Bancorp, Inc.	29,700	$1.1M	0.38%
62	—Oxford Immunotec Global Plc	65,200	$1.1M	0.36%
63	—Bottomline Technologies	20,150	$1.1M	0.36%
64	ATSG*Air Transport Services Group,	45,830	$1.1M	0.36%
65	APPSDigital Turbine, Inc.	148,700	$1.1M	0.35%
66	TLYSTilly's, Inc.	85,700	$1.1M	0.35%
67	UFIUnifi Inc.	41,400	$1.0M	0.35%
68	TG7Triumph Group, Inc.	41,140	$1.0M	0.35%
69	WWWWolverine World Wide	30,482	$1.0M	0.34%
70	—W&T Offshore, Inc.	184,300	$1.0M	0.34%
71	CRAICRA Int'l Inc.	18,800	$1.0M	0.34%
72	MRCYMercury Systems, Inc.	14,665	$1.0M	0.34%
73	CAMTCamtek, Ltd.	93,400	$1.0M	0.34%
74	—Mobileiron, Inc.	206,900	$1.0M	0.34%
75	TN1Tennant Company	12,700	$990K	0.33%
76	OSKOshkosh Corp.	10,440	$988K	0.33%
77	—BioDelivery Sciences Internati	156,100	$987K	0.33%
78	CASHMeta Financial Group, Inc.	26,700	$975K	0.32%
79	—Spartan Motors, Inc.	53,100	$960K	0.32%
80	COLLCollegium Pharmaceutical, Inc.	46,300	$953K	0.32%
81	CMTLComtech Telecommunications CP	26,600	$944K	0.31%
82	SFNCSimmons First National Corp.	34,730	$930K	0.31%
83	FSSFederal Signal Corp.	28,410	$916K	0.31%
84	PIImpinj, Inc.	35,300	$913K	0.30%
85	HWCHancock Whitney Corp.	20,590	$903K	0.30%
86	NWPXNorthwest Pipe Co.	26,800	$893K	0.30%
87	ATHMAutohome, Inc. ADR	11,000	$880K	0.29%
88	AGCOAgco Corp	11,355	$877K	0.29%
89	—Ryman Hospitality Pptys. Inc.	10,050	$871K	0.29%
90	MDMednax, Inc.	30,811	$856K	0.29%
91	VIPSVipshop Holdings Ltd. ADS	60,000	$850K	0.28%
92	HOPEHope Bancorp, Inc.	56,500	$840K	0.28%
93	COSCNO Financial Group, Inc.	46,130	$836K	0.28%
94	SFStifel Financial Corp.	13,520	$820K	0.27%
95	ASBAssociated Banc-Corp	36,940	$814K	0.27%
96	4DHDana Inc.	44,680	$813K	0.27%
97	—Eldorado Resorts, Inc.	13,270	$791K	0.26%
98	EVEREverQuote, Inc.	22,800	$783K	0.26%
99	MTZMastec, Inc.	12,140	$779K	0.26%
100	MEIMethode Electronics, Inc.	19,800	$779K	0.26%

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