OBERWEIS ASSET MANAGEMENT INC/ Diversified Active

Location: Lisle, IL

CIK: 0000937886 · Show all filings

Period: Q1 2015 (← Previous) (Next →)

Filing Date: May 15, 2015

Total Value: $356M (100.0% shares, 0.0% debt)

Holdings (169)

ICLR Icon Plc Corp. 7.9%
Value $28.1M Shares 398,400 Est. Cost Unrealized
Cott Corp Que 4.5%
Value $16.07M Shares 1,714,464 Est. Cost Unrealized
VIPS Vipshop Holdings Ltd. ADS 4.1%
Value $14.65M Shares 497,680 Est. Cost Unrealized
THRM Gentherm, Inc. 3.3%
Value $11.77M Shares 233,031 Est. Cost Unrealized
Diplomat Pharmacy Inc. 3.1%
Value $11.06M Shares 319,876 Est. Cost Unrealized
LGND Ligand Pharmaceuticals Cl B 2.7%
Value $9.669M Shares 125,387 Est. Cost Unrealized
China Mobile Games & Entertain 2.6%
Value $9.307M Shares 558,332 Est. Cost Unrealized
SYNA Synaptics, Inc. 2.6%
Value $9.229M Shares 113,506 Est. Cost Unrealized
Cardiovascular Systems, Inc. 2.6%
Value $9.135M Shares 233,986 Est. Cost Unrealized
MEI Methode Electronics, Inc. 2.4%
Value $8.519M Shares 181,092 Est. Cost Unrealized
MDXG Mimedx Group, Inc. 2.2%
Value $7.667M Shares 737,180 Est. Cost Unrealized
Bofi Holding, Inc. 2.1%
Value $7.482M Shares 80,418 Est. Cost Unrealized
Skechers Usa, Inc. 2.1%
Value $7.408M Shares 103,013 Est. Cost Unrealized
Abiomed Inc. 2.1%
Value $7.32M Shares 102,270 Est. Cost Unrealized
Tarena Internatinal, Inc. 2.0%
Value $7.156M Shares 735,484 Est. Cost Unrealized
GIII G-III Apparel Group Ltd. 2.0%
Value $7.133M Shares 63,324 Est. Cost Unrealized
Synchronoss Technologies Inc. 1.9%
Value $6.84M Shares 144,115 Est. Cost Unrealized
Logmein, Inc. 1.9%
Value $6.704M Shares 119,730 Est. Cost Unrealized
HQY HealthEquity Inc. 1.8%
Value $6.287M Shares 251,565 Est. Cost Unrealized
Financial Engines, Inc. 1.8%
Value $6.258M Shares 149,600 Est. Cost Unrealized
ATRO Astronics Corp. 1.7%
Value $6.202M Shares 84,148 Est. Cost Unrealized
EGBN Eagle Bancorp, Inc. 1.7%
Value $6.036M Shares 157,198 Est. Cost Unrealized
PGT, Inc. 1.6%
Value $5.681M Shares 508,340 Est. Cost Unrealized
Wageworks, Inc. 1.6%
Value $5.673M Shares 106,381 Est. Cost Unrealized
Callidus Software Inc. 1.6%
Value $5.577M Shares 439,829 Est. Cost Unrealized
INPHI Corp. 1.5%
Value $5.438M Shares 304,990 Est. Cost Unrealized
China Biologic Products 1.5%
Value $5.368M Shares 56,200 Est. Cost Unrealized
NTES Netease.Com, Inc. 1.5%
Value $5.329M Shares 50,610 Est. Cost Unrealized
VNET 21Vianet Group, Inc. - ADR 1.5%
Value $5.297M Shares 299,959 Est. Cost Unrealized
Rubicon Project Inc 1.4%
Value $5.068M Shares 282,830 Est. Cost Unrealized
ANIP ANI Pharmaceuticals, Inc. 1.3%
Value $4.537M Shares 72,535 Est. Cost Unrealized
Bonanza Creek Energy, Inc. 1.3%
Value $4.475M Shares 181,477 Est. Cost Unrealized
ComScore Inc. 1.2%
Value $4.345M Shares 84,860 Est. Cost Unrealized
NSP Insperity Inc 1.1%
Value $3.953M Shares 75,600 Est. Cost Unrealized
Ikang Healthcare Group, Inc. 1.0%
Value $3.708M Shares 228,600 Est. Cost Unrealized
China Distance Educ Hldgs Ltd. 0.8%
Value $2.824M Shares 168,500 Est. Cost Unrealized
Zeltiq Aesthetics, Inc. 0.8%
Value $2.741M Shares 88,900 Est. Cost Unrealized
Bitauto 0.6%
Value $2.29M Shares 45,000 Est. Cost Unrealized
BABA Alibaba 0.6%
Value $2.122M Shares 25,495 Est. Cost Unrealized
Pixelworks, Inc. 0.6%
Value $2.008M Shares 399,980 Est. Cost Unrealized
JD JD.com 0.5%
Value $1.917M Shares 65,250 Est. Cost Unrealized
Qihoo 360 Technology Co-ADR 0.5%
Value $1.792M Shares 35,000 Est. Cost Unrealized
FANG Diamondback Energy Inc. 0.5%
Value $1.604M Shares 20,870 Est. Cost Unrealized
NV5 Holdings Inc 0.4%
Value $1.584M Shares 96,800 Est. Cost Unrealized
SPY SPDR S&P 500 ETF Trust 0.4%
Value $1.569M Shares 7,600 Est. Cost Unrealized
CSIQ Canadian Solar, Inc. 0.4%
Value $1.53M Shares 45,820 Est. Cost Unrealized
Envestnet, Inc. 0.4%
Value $1.525M Shares 27,202 Est. Cost Unrealized
OMCL Omnicell, Inc. 0.4%
Value $1.351M Shares 38,500 Est. Cost Unrealized
BIDU Baidu Inc. Spon ADR 0.4%
Value $1.29M Shares 6,190 Est. Cost Unrealized
NOAH Noah Holdings 0.4%
Value $1.251M Shares 53,500 Est. Cost Unrealized
Planar Systems, Inc. 0.3%
Value $1.23M Shares 195,570 Est. Cost Unrealized
Chinacache International Spon 0.3%
Value $1.187M Shares 100,000 Est. Cost Unrealized
Cambrex Corp 0.3%
Value $1.114M Shares 28,100 Est. Cost Unrealized
DXCM Dexcom 0.3%
Value $1.06M Shares 17,000 Est. Cost Unrealized
ALG Alamo Group Inc. 0.3%
Value $1.023M Shares 16,200 Est. Cost Unrealized
Multi Color Corp. 0.3%
Value $998K Shares 14,400 Est. Cost Unrealized
AMN AMN Healthcare Svcs 0.3%
Value $957K Shares 41,500 Est. Cost Unrealized
Super Micro Computer Inc. 0.3%
Value $927K Shares 27,900 Est. Cost Unrealized
Spectranetics Corp. 0.2%
Value $723K Shares 20,800 Est. Cost Unrealized
Callon Petroleum Corp. 0.2%
Value $723K Shares 96,850 Est. Cost Unrealized
TREX Trex Company, Inc. 0.2%
Value $693K Shares 12,700 Est. Cost Unrealized
MMS Maximus, Inc. 0.2%
Value $668K Shares 10,000 Est. Cost Unrealized
Investment Technology Group 0.2%
Value $621K Shares 20,500 Est. Cost Unrealized
SPSC SPS Comm Inc. 0.2%
Value $617K Shares 9,200 Est. Cost Unrealized
Infinera Corporation 0.2%
Value $604K Shares 30,700 Est. Cost Unrealized
EGHT 8X8 Inc. 0.2%
Value $601K Shares 71,560 Est. Cost Unrealized
Synergy Resources Corp. 0.2%
Value $593K Shares 50,000 Est. Cost Unrealized
Headwaters, Inc. 0.2%
Value $587K Shares 32,000 Est. Cost Unrealized
Ring Energy, Inc. 0.2%
Value $581K Shares 54,700 Est. Cost Unrealized
BBW Build A Bear 0.2%
Value $576K Shares 29,300 Est. Cost Unrealized
WKC World Fuel Services Corp 0.2%
Value $575K Shares 10,000 Est. Cost Unrealized
AOS Smith (A.O.) Corp 0.2%
Value $565K Shares 8,600 Est. Cost Unrealized
HII Huntington Ingalls Industries, 0.2%
Value $547K Shares 3,900 Est. Cost Unrealized
Interval Leisure Group, Inc. 0.2%
Value $545K Shares 20,800 Est. Cost Unrealized
Verint Sys Inc. 0.2%
Value $545K Shares 8,800 Est. Cost Unrealized
BDC Belden, Inc. 0.2%
Value $543K Shares 5,800 Est. Cost Unrealized
CRL Charles River Labs Internation 0.2%
Value $539K Shares 6,800 Est. Cost Unrealized
Hyperion Therapeutics, Inc. 0.2%
Value $537K Shares 11,700 Est. Cost Unrealized
Express Inc 0.2%
Value $537K Shares 32,500 Est. Cost Unrealized
Vascular Solutions 0.2%
Value $536K Shares 17,686 Est. Cost Unrealized
INGN Inogen, Inc. 0.1%
Value $531K Shares 16,600 Est. Cost Unrealized
Spirit Airlines, Inc. 0.1%
Value $526K Shares 6,800 Est. Cost Unrealized
IMAX Imax Corp. 0.1%
Value $523K Shares 15,500 Est. Cost Unrealized
Cardtronics, Inc. 0.1%
Value $519K Shares 13,800 Est. Cost Unrealized
Team Health Holdings Inc. 0.1%
Value $515K Shares 8,800 Est. Cost Unrealized
Digitalglobe, Inc. 0.1%
Value $514K Shares 15,100 Est. Cost Unrealized
First NBC Bank Holding Co. 0.1%
Value $514K Shares 15,600 Est. Cost Unrealized
Mellanox Technologies Ltd. 0.1%
Value $508K Shares 11,200 Est. Cost Unrealized
Infoblox, Inc. 0.1%
Value $506K Shares 21,200 Est. Cost Unrealized
PAHC Phibro Animal Health Corp 0.1%
Value $503K Shares 14,200 Est. Cost Unrealized
BLMN Bloomin' Brands Inc 0.1%
Value $499K Shares 20,500 Est. Cost Unrealized
Brown Shoe Company, inc. 0.1%
Value $499K Shares 15,200 Est. Cost Unrealized
CNC Centene Corp. 0.1%
Value $495K Shares 7,000 Est. Cost Unrealized
OXM Oxford Inds, Inc. 0.1%
Value $490K Shares 6,500 Est. Cost Unrealized
Qlogic Corp. 0.1%
Value $489K Shares 33,200 Est. Cost Unrealized
Amsurg Corp. 0.1%
Value $486K Shares 7,900 Est. Cost Unrealized
Integrated Device Technology, 0.1%
Value $484K Shares 24,200 Est. Cost Unrealized
Privatebancorp, Inc. 0.1%
Value $464K Shares 13,200 Est. Cost Unrealized
AMGN Amgen, Inc. 0.1%
Value $462K Shares 2,889 Est. Cost Unrealized
WAB Wabtec Corp. 0.1%
Value $456K Shares 4,800 Est. Cost Unrealized
AAPL Apple, Inc. 0.1%
Value $456K Shares 3,661 Est. Cost Unrealized
AAC Holdings, Inc. 0.1%
Value $450K Shares 14,700 Est. Cost Unrealized
CPSS Consumer Portfolio Services 0.1%
Value $443K Shares 63,370 Est. Cost Unrealized
Incontact, Inc. 0.1%
Value $437K Shares 40,060 Est. Cost Unrealized
Tower International, Inc. 0.1%
Value $434K Shares 16,300 Est. Cost Unrealized
Bridge Bancorp, Inc. 0.1%
Value $432K Shares 16,720 Est. Cost Unrealized
TRV The Travelers Co., Inc. 0.1%
Value $431K Shares 3,989 Est. Cost Unrealized
Barracuda Networks Inc 0.1%
Value $431K Shares 11,200 Est. Cost Unrealized
Natus Med, Inc. 0.1%
Value $430K Shares 10,900 Est. Cost Unrealized
Pericom Semiconductor 0.1%
Value $415K Shares 26,800 Est. Cost Unrealized
TREE Lendingtree, Inc. 0.1%
Value $414K Shares 7,400 Est. Cost Unrealized
State Bank Financial Corp 0.1%
Value $410K Shares 19,500 Est. Cost Unrealized
CVLG Covenant Transn Group, Inc. Cl 0.1%
Value $408K Shares 12,300 Est. Cost Unrealized
LYTS LSI Inds Inc. 0.1%
Value $408K Shares 50,000 Est. Cost Unrealized
ATRC Atricure, Inc. 0.1%
Value $402K Shares 19,600 Est. Cost Unrealized
LHC Group, Inc. 0.1%
Value $400K Shares 12,100 Est. Cost Unrealized
Nuvasive 0.1%
Value $400K Shares 8,700 Est. Cost Unrealized
TBHC Kirklands, Inc. 0.1%
Value $392K Shares 16,500 Est. Cost Unrealized
SCVL Shoe Carnival, Inc. 0.1%
Value $383K Shares 13,000 Est. Cost Unrealized
WNC Wabash National Corp. 0.1%
Value $378K Shares 26,800 Est. Cost Unrealized
Sucampo Pharmaceuticals 0.1%
Value $370K Shares 23,800 Est. Cost Unrealized
Centerstate Banks, Inc. 0.1%
Value $367K Shares 30,800 Est. Cost Unrealized
MCS Marcus Corp. 0.1%
Value $366K Shares 17,200 Est. Cost Unrealized
National Gen Hldgs Corp. 0.1%
Value $365K Shares 19,500 Est. Cost Unrealized
Qad, Inc. CL A 0.1%
Value $365K Shares 15,100 Est. Cost Unrealized
DTS Inc 0.1%
Value $365K Shares 10,700 Est. Cost Unrealized
UHS Universal Health Services 0.1%
Value $365K Shares 3,100 Est. Cost Unrealized
Xplore Technologies Corp. 0.1%
Value $364K Shares 57,400 Est. Cost Unrealized
CSTE Caesarstone Sdot-Yam Ltd. 0.1%
Value $364K Shares 6,000 Est. Cost Unrealized
Dot Hill Systems, Inc. 0.1%
Value $360K Shares 68,000 Est. Cost Unrealized
MXL Maxlinear, Inc. Class A 0.1%
Value $359K Shares 44,100 Est. Cost Unrealized
SILC Silicom Ltd. 0.1%
Value $359K Shares 8,700 Est. Cost Unrealized
JPM JP Morgan Chase & Company Inc. 0.1%
Value $358K Shares 5,911 Est. Cost Unrealized
MRCY Mercury Systems, Inc. 0.1%
Value $356K Shares 22,900 Est. Cost Unrealized
Neff Corp Com 0.1%
Value $348K Shares 33,000 Est. Cost Unrealized
JNJ Johnson & Johnson 0.1%
Value $348K Shares 3,462 Est. Cost Unrealized
Magnetek, Inc. 0.1%
Value $347K Shares 9,000 Est. Cost Unrealized
Interactive Intelligence Group 0.1%
Value $345K Shares 8,380 Est. Cost Unrealized
Vasco Data Sec 0.1%
Value $345K Shares 16,000 Est. Cost Unrealized
Smith & Wesson Holding 0.1%
Value $344K Shares 27,000 Est. Cost Unrealized
Exar Corp. 0.1%
Value $336K Shares 33,400 Est. Cost Unrealized
WMT Wal Mart Stores Inc. 0.1%
Value $311K Shares 3,778 Est. Cost Unrealized
VZ Verizon Communications 0.1%
Value $308K Shares 6,326 Est. Cost Unrealized
IRMD Iradimed Corp. 0.1%
Value $305K Shares 20,000 Est. Cost Unrealized
Dealertrack Technologies, Inc. 0.1%
Value $304K Shares 7,900 Est. Cost Unrealized
INTC Intel Corporation 0.1%
Value $302K Shares 9,674 Est. Cost Unrealized
Intersect Ent Inc 0.1%
Value $300K Shares 11,600 Est. Cost Unrealized
Gulfport Energy Corp. 0.1%
Value $298K Shares 6,500 Est. Cost Unrealized
MSFT Microsoft Corp. 0.1%
Value $291K Shares 7,150 Est. Cost Unrealized
TM Toyota Motor Corp. ADR 0.1%
Value $275K Shares 1,969 Est. Cost Unrealized
Martha Stewart Living Omnimedi 0.1%
Value $274K Shares 42,100 Est. Cost Unrealized
BK Bank of New York Mellon Corp. 0.1%
Value $268K Shares 6,663 Est. Cost Unrealized
HRTG Heritage Ins Hldgs, Inc. 0.1%
Value $264K Shares 12,000 Est. Cost Unrealized
Rentrak Corp. 0.1%
Value $261K Shares 4,700 Est. Cost Unrealized
HAIN Hain Celestial Group, Inc. 0.1%
Value $243K Shares 3,800 Est. Cost Unrealized
Emc Corporation 0.1%
Value $237K Shares 9,288 Est. Cost Unrealized
MA Mastercard, Inc. 0.1%
Value $235K Shares 2,725 Est. Cost Unrealized
WFC Wells Fargo & Co. 0.1%
Value $231K Shares 4,242 Est. Cost Unrealized
PATK Patrick Industries, Inc. 0.1%
Value $224K Shares 3,600 Est. Cost Unrealized
AutoBytel 0.1%
Value $223K Shares 15,100 Est. Cost Unrealized
Syneron Medical 0.1%
Value $220K Shares 17,800 Est. Cost Unrealized
KMB Kimberly Clark Corp. 0.1%
Value $217K Shares 2,028 Est. Cost Unrealized
Catamaran Corp. 0.1%
Value $213K Shares 3,570 Est. Cost Unrealized
ShoreTel 0.1%
Value $206K Shares 30,200 Est. Cost Unrealized
Radiant Logistics, Inc. 0.1%
Value $197K Shares 38,000 Est. Cost Unrealized
HCKT Hackett Group, Inc. 0.1%
Value $197K Shares 22,000 Est. Cost Unrealized
Emcore Corp. 0.1%
Value $182K Shares 33,500 Est. Cost Unrealized
Flotek Inds Inc. 0.0%
Value $171K Shares 11,600 Est. Cost Unrealized
Xenacare Hldgs, Inc. 0.0%
Value $0 Shares 140,000 Est. Cost Unrealized