OBMCX Mutual Fund

NAV$70.35

AUM$608M

TER1.46%

Holdings77

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OBMCX Mutual Fund

NAV$70.35

Oberweis Micro-Cap Fund Investor Class

AUM$608M

TER1.46%

Holdings77

See how much of OBMCX you already own

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Overview Performance Chart Dividends Top Holdings All Holdings Sectors Geography Similar Compare Overlap

Showing top 50 of 73 holdings · as of Jun 30, 2026

OBMCX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Sector	Industry
1	SIMO	Silicon Motion Technology CorpInfo Tech · Semiconductors	6.29%	6.3%	304,800	$101.60M	Info Tech	Semiconductors
2	UCTT	Ultra Clean HoldInfo Tech · Semiconductors	5.49%	11.8%	621,300	$88.59M	Info Tech	Semiconductors
Sector and industry · Pro
3	AAOI	Applied Optoelectronics Inc	4.85%	16.6%	528,758	$78.34M
4	POWL	Powell Industries Inc	3.07%	19.7%	173,300	$49.63M
5	DIOD	Diodes Inc 0.00000000	2.71%	22.4%	399,400	$43.71M
6	RSI	Rush Street Interactive Inc	2.67%	25.1%	1,450,600	$43.14M
7	BLBD	Blue Bird Corp	2.50%	27.6%	511,400	$40.38M
8	CAMT	Camtek Ltd.	2.47%	30.1%	244,580	$39.90M
9	MXL	Maxlinear Inc	2.45%	32.5%	308,500	$39.50M
10	—	American Shipping Company, Asa	2.38%	34.9%	925,300	$38.41M
11	LIVN	Livanova Plc Ordinary Shares	2.28%	37.2%	447,300	$36.78M
12	OUST	Ouster Inc_None_None	2.05%	39.2%	528,410	$33.04M
13	CECO	Ceco Environmental Corp	1.94%	41.2%	345,645	$31.36M
14	—	Liquidia Technologies Inc	1.94%	43.1%	392,100	$31.26M
15	PDFS	Pdf Solutions Inc	1.81%	44.9%	411,800	$29.15M
16	DAVE	Dave Inc	1.76%	46.7%	76,222	$28.40M
17	LASR	Nlight Inc	1.72%	48.4%	399,200	$27.79M
18	ADPT	Adaptive Biotechnologies Corp	1.61%	50.0%	1,215,600	$26.07M
19	AMBA	Ambarella, Inc.	1.61%	51.6%	302,369	$25.94M
20	TPC	Tutor Perini Corp	1.60%	53.2%	311,900	$25.88M
21	KNSA	Kiniksa Pharmaceuticals Ltd	1.54%	54.7%	389,800	$24.93M
22	OMDA	Omada Health Inc	1.38%	56.1%	1,012,400	$22.22M
23	ANIP	Ani Pharmaceuticals Inc	1.31%	57.4%	256,300	$21.22M
24	EZPW	Ezcorp, Inc. - Class A	1.31%	58.7%	612,900	$21.19M
25	DCO	Ducommun Inc	1.26%	60.0%	109,800	$20.34M
26	SKWD	Skyward Specialty Insurance Group Inc	1.25%	61.3%	346,500	$20.22M
27	WLDN	Willdan Group, Inc.	1.24%	62.5%	253,700	$20.07M
28	ATEN	A10 Networks Inc	1.23%	63.7%	532,600	$19.90M
29	BHE	Benchmark Electronics Inc	1.18%	64.9%	193,600	$19.10M
30	VSEC	Vse Corp	1.18%	66.1%	83,100	$18.99M
31	ETON	Eton Pharmaceuticals Inc.	1.08%	67.2%	483,900	$17.52M
32	AXGN	Axogen Inc	1.07%	68.2%	374,500	$17.30M
33	AGX	Argan, Inc.	1.01%	69.2%	20,400	$16.29M
34	VCYT	Veracyte, Inc.	1.00%	70.2%	274,300	$16.11M
35	TRS	Trimas Corp	0.97%	71.2%	349,600	$15.74M
36	FSLY	Fastly Inc Class A	0.94%	72.2%	823,000	$15.11M
37	TILE	Interface Inc	0.94%	73.1%	425,300	$15.24M
38	—	Mednax	0.94%	74.0%	601,700	$15.24M
39	PUMP	Propetro Holding Corp	0.94%	75.0%	1,058,300	$15.18M
40	OSW	Onespaworld Holdings Ltd.	0.93%	75.9%	533,500	$15.07M
41	ARLO	Arlo Technologies Inc	0.88%	76.8%	1,055,200	$14.22M
42	INOD	Innodata Inc	0.86%	77.6%	182,700	$13.81M
43	LMAT	Lemaitre Vascular Inc	0.85%	78.5%	142,900	$13.71M
44	MGNI	Magnite	0.83%	79.3%	709,000	$13.46M
45	NIC	Nicolet Bankshares Inc	0.82%	80.1%	80,200	$13.26M
46	MHO	M/I Homes Inc	0.80%	80.9%	80,400	$12.93M
47	IMX	Imax Corp	0.78%	81.7%	315,400	$12.57M
48	PLUS	Eplus Inc	0.75%	82.5%	145,598	$12.12M
49	BOOT	Boot Barn Holdings Inc	0.72%	83.2%	70,600	$11.60M
50	LIND	Lindblad Expeditions Holdings Inc	0.71%	83.9%	405,900	$11.46M
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Not reported for this fund: share changes.

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OBMCX Mutual Fund All Holdings

OBMCX holdings total 77 positions. The top 10 holdings account for 34.9% of the fund, led by Silicon Motion Technology Corp at 6.3%, Ultra Clean Hold at 5.5%, Applied Optoelectronics Inc at 4.8%.

OBMCX portfolio concentration is moderate, with the top 10 representing 34.9% of total assets. The largest sector exposure is Information Technology at 40.6%.

OBMCX sectors provide a detailed breakdown. OBMCX overlap shows how holdings compare to other funds in your portfolio.