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
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
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
ACCO Brands Corporation com 00081T108 818 82,900 SH   SOLE   82,900 0 0
AMC Entertainment Holdings, In com 00165c104 688 64,330 SH   SOLE   64,330 0 0
Addus Homecare Corp. com 006739106 3,375 42,570 SH   SOLE   16,000 0 26,570
Adesto Technologies Corp. com 00687D101 763 89,100 SH   SOLE   89,100 0 0
Agco Corp com 001084102 867 11,455 SH   SOLE   11,455 0 0
Air Transport Services Group, com 00922R105 778 37,030 SH   SOLE   37,030 0 0
Airgain, Inc. com 00938A104 624 53,100 SH   SOLE   53,100 0 0
Alibaba ADR com 01609W102 6,033 36,075 SH   SOLE   34,130 0 1,945
Allied Motion Technologies com 019330109 840 23,800 SH   SOLE   23,800 0 0
Allscripts Healthcare Solution com 01988P108 243 22,100 SH   SOLE   22,100 0 0
Altair Engineering Inc com 021369103 4,521 130,575 SH   SOLE   23,525 0 107,050
Amer Woodmark com 030506109 809 9,100 SH   SOLE   9,100 0 0
Ameresco, Inc. com 02361E108 1,398 87,008 SH   SOLE   87,008 0 0
America's Car-Mart com 03062T105 1,192 13,000 SH   SOLE   13,000 0 0
American Eagle Outfitters com 02553E106 349 21,500 SH   SOLE   21,500 0 0
American Power Corp com 02906t107 0 10,000 SH   SOLE   0 0 10,000
Amgen, Inc. com 031162100 292 1,510 SH   SOLE   0 0 1,510
Apple, Inc. com 037833100 565 2,521 SH   SOLE   60 0 2,461
Argenx SE Sponsored ADR com 04016X101 17,311 151,908 SH   SOLE   121,308 0 30,600
Associated Banc-Corp com 045487105 708 34,940 SH   SOLE   34,940 0 0
Atricure, Inc. com 04963C209 3,482 139,600 SH   SOLE   31,200 0 108,400
Avatar Ventures com 05350B100 0 10,000 SH   SOLE   0 0 10,000
Bandwidth, Inc. com 05988J103 6,503 99,879 SH   SOLE   44,569 0 55,310
Bank of New York Mellon Corp. com 064058100 219 4,841 SH   SOLE   0 0 4,841
Baozun Inc. Spon ADR com 06684L103 6,683 156,510 SH   SOLE   69,120 0 87,390
Belden, Inc. com 077454106 277 5,200 SH   SOLE   5,200 0 0
Benchmark Electronics Inc com 08160H101 638 21,940 SH   SOLE   21,940 0 0
Blucora, Inc. com 095229100 364 16,800 SH   SOLE   16,800 0 0
Boot Barn Hldgs, Inc. com 099406100 1,693 48,500 SH   SOLE   48,500 0 0
Brink's Co. com 109696104 218 2,630 SH   SOLE   2,630 0 0
CACI International, Inc. com 127190304 8,152 35,250 SH   SOLE   11,200 0 24,050
CNO Financial Group, Inc. com 12621E103 708 44,730 SH   SOLE   44,730 0 0
CRA Int'l Inc. com 12618T105 672 16,000 SH   SOLE   16,000 0 0
Cabot Microelectronics Corp. com 12709P103 5,040 35,689 SH   SOLE   6,243 0 29,446
Camtek, Ltd. com m20791105 946 100,800 SH   SOLE   100,800 0 0
Cardtronics, Inc. com G1991C105 1,058 35,000 SH   SOLE   35,000 0 0
CareDx, Inc. com 14167L103 5,526 244,410 SH   SOLE   87,980 0 156,430
Career Education Corp. com 141665109 5,043 317,389 SH   SOLE   175,489 0 141,900
Carpenter Technology Corp. com 144285103 692 13,400 SH   SOLE   13,400 0 0
Cato Corporation com 149205106 440 25,000 SH   SOLE   25,000 0 0
Centerstate Bank Corp. com 15201P109 741 30,906 SH   SOLE   22,000 0 8,906
Central Pacific Financial Corp com 154760409 1,181 41,600 SH   SOLE   41,600 0 0
Century Communities, Inc. com 156504300 1,832 59,800 SH   SOLE   59,800 0 0
Champions Oncology, Inc. com 15870P307 307 54,333 SH   SOLE   54,333 0 0
Chart Industries Inc. com 16115Q308 3,632 58,240 SH   SOLE   3,620 0 54,620
Clarus Corp. com 18270P109 924 78,800 SH   SOLE   78,800 0 0
Cleveland-Cliffs Inc. com 185899101 276 38,200 SH   SOLE   38,200 0 0
Comtech Telecommunications CP com 205826209 1,440 44,300 SH   SOLE   44,300 0 0
Conmed Corporation com 207410101 2,180 22,670 SH   SOLE   1,300 0 21,370
Constellium NV Cl A com N22035104 32,825 2,582,615 SH   SOLE   2,041,915 0 540,700
Corelogic Inc. com 21871D103 302 6,530 SH   SOLE   6,530 0 0
Cornerstone Ondemand, Inc. com 21925Y103 5,875 107,160 SH   SOLE   15,530 0 91,630
Cryolife Inc. com 228903100 419 15,444 SH   SOLE   15,444 0 0
Cutera Inc com 232109108 830 28,400 SH   SOLE   28,400 0 0
Cyrusone, Inc. com 23283R100 506 6,400 SH   SOLE   6,400 0 0
DMC Global, Inc. com 23291C103 10,097 229,571 SH   SOLE   111,205 0 118,366
Dana Inc. com 235825205 629 43,580 SH   SOLE   43,580 0 0
Deckers Outdoor Corp. com 243537107 5,376 36,480 SH   SOLE   5,650 0 30,830
Digi International I com 253798102 680 49,900 SH   SOLE   49,900 0 0
Digital Turbine, Inc. com 25400W102 636 98,700 SH   SOLE   98,700 0 0
Eagle Bancorp, Inc. com 268948106 326 7,300 SH   SOLE   7,300 0 0
Ehealth, Inc. com 28238P109 4,882 73,092 SH   SOLE   23,311 0 49,781
Eldorado Resorts, Inc. com 28470R102 2,885 72,363 SH   SOLE   4,420 0 67,943
Enterprise Finl Svcs com 293712105 721 17,700 SH   SOLE   17,700 0 0
Federal Signal Corp. com 313855108 1,608 49,110 SH   SOLE   49,110 0 0
Fti Consulting Inc. com 302941109 265 2,500 SH   SOLE   2,500 0 0
Fulton Financial Corp. com 360271100 591 36,500 SH   SOLE   36,500 0 0
GDS Holdings Ltd. ADR com 36165L108 2,179 54,361 SH   SOLE   54,361 0 0
GW Pharmaceuticals Plc Ads com 36197T103 26,056 226,519 SH   SOLE   181,909 0 44,610
Graphic Packaging Hldg., Co. com 388689101 875 59,300 SH   SOLE   59,300 0 0
Greif, Inc. com 397624107 389 10,256 SH   SOLE   10,256 0 0
Griffon Corp. com 398433102 734 35,000 SH   SOLE   35,000 0 0
Gulfport Energy Corp. com 402635304 265 97,900 SH   SOLE   97,900 0 0
HMS Holdings Corp. com 40425J101 9,520 276,220 SH   SOLE   90,550 0 185,670
Hancock Whitney Corp. com 410120109 769 20,090 SH   SOLE   20,090 0 0
Herc Hldgs, Inc. com 42704L104 721 15,500 SH   SOLE   15,500 0 0
Heritage Ins Hldgs, Inc. com 42727J102 674 45,113 SH   SOLE   45,113 0 0
Hope Bancorp, Inc. com 43940T109 793 55,300 SH   SOLE   55,300 0 0
INPHI Corp. com 45772F107 6,547 107,240 SH   SOLE   25,600 0 81,640
Impinj, Inc. com 453204109 1,128 36,600 SH   SOLE   36,600 0 0
Intel Corporation com 458140100 393 7,630 SH   SOLE   0 0 7,630
Irhythm Technologies Inc com 450056106 274 3,700 SH   SOLE   700 0 3,000
Iridium Communications Inc. com 46269C102 332 15,600 SH   SOLE   15,600 0 0
JD.com ADR com 47215P106 853 30,250 SH   SOLE   30,000 0 250
JP Morgan Chase & Company Inc. com 46625H100 545 4,629 SH   SOLE   140 0 4,489
Jabil Inc. com 466313103 290 8,100 SH   SOLE   8,100 0 0
Johnson & Johnson com 478160104 343 2,650 SH   SOLE   0 0 2,650
Knowles Corp. com 49926D109 1,532 75,300 SH   SOLE   75,300 0 0
Ligand Pharmaceuticals com 53220K504 243 2,440 SH   SOLE   2,440 0 0
LiqTech International, Inc com 53632A201 1,406 177,980 SH   SOLE   177,980 0 0
Logmein, Inc. com 54142L109 255 3,600 SH   SOLE   3,600 0 0
MTS Systems Corp. com 553777103 1,564 28,300 SH   SOLE   28,300 0 0
Malibu Boats, Inc. com 56117J100 4,732 154,248 SH   SOLE   44,728 0 109,520
Marchex Inc. Class B com 56624R108 626 199,300 SH   SOLE   199,300 0 0
Mastec, Inc. com 576323109 795 12,240 SH   SOLE   12,240 0 0
Mastercard, Inc. com 57636Q104 514 1,893 SH   SOLE   0 0 1,893
Materion Corp. com 576690101 1,416 23,075 SH   SOLE   23,075 0 0
Matrix Service Co. com 576853105 473 27,600 SH   SOLE   27,600 0 0
Matson, Inc. com 57686g105 639 17,045 SH   SOLE   16,645 0 400
McDonald's Corporation com 580135101 226 1,053 SH   SOLE   0 0 1,053
McGrath RentCorp com 580589109 1,594 22,900 SH   SOLE   22,900 0 0
Mednax, Inc. com 58502B106 760 33,611 SH   SOLE   33,611 0 0
Mercury Systems, Inc. com 589378108 4,106 50,580 SH   SOLE   8,570 0 42,010
Mesa Air Group, Inc. com 590479135 1,414 209,700 SH   SOLE   209,700 0 0
Meta Financial Group, Inc. com 59100U108 887 27,200 SH   SOLE   27,200 0 0
Methode Electronics, Inc. com 591520200 780 23,200 SH   SOLE   23,200 0 0
Microsoft Corp. com 594918104 520 3,740 SH   SOLE   0 0 3,740
Mitek Systems, Inc. com 606710200 1,048 108,600 SH   SOLE   108,600 0 0
Mobileiron, Inc. com 60739U204 5,324 813,500 SH   SOLE   403,950 0 409,550
Model N, Inc. com 607525102 794 28,600 SH   SOLE   28,600 0 0
Momo, Inc. ADR com 60879B107 929 30,000 SH   SOLE   30,000 0 0
Monmouth Real Estate Invt Corp com 609720107 154 10,700 SH   SOLE   10,700 0 0
Monolithic Pwr Sys com 609839105 5,846 37,562 SH   SOLE   13,314 0 24,248
Napco Sec Technologies, Inc. com 630402105 1,177 46,137 SH   SOLE   46,137 0 0
National Health Investors, Inc com 63633d104 629 7,640 SH   SOLE   7,640 0 0
National Healthcare com 635906100 614 7,500 SH   SOLE   7,500 0 0
New Jersey Res Corp. com 646025106 725 16,030 SH   SOLE   16,030 0 0
New Oriental Education ADR com 647581107 2,658 24,000 SH   SOLE   24,000 0 0
Newmont Mining com 651639106 232 6,111 SH   SOLE   400 0 5,711
Nomad Foods Ltd. com G6564A105 60,874 2,969,479 SH   SOLE   2,360,679 0 608,800
Northwest Pipe Co. com 667746101 754 26,800 SH   SOLE   26,800 0 0
Old National Bancorp com 680033107 1,227 71,315 SH   SOLE   71,315 0 0
OneSpan, Inc. com 68287N100 1,175 81,000 SH   SOLE   77,500 0 3,500
OptimizeRx Corp. com 68401U204 746 51,500 SH   SOLE   51,500 0 0
Oshkosh Corp. com 688239201 928 12,240 SH   SOLE   12,240 0 0
Oxford Immunotec Global Plc com G6855A103 980 58,900 SH   SOLE   58,900 0 0
PBF Energy Inc., Cl A com 69318g106 624 22,960 SH   SOLE   22,600 0 360
Perficient Inc. com 71375U101 1,146 29,700 SH   SOLE   29,700 0 0
Physicians Realty Trust com 71943u104 1,126 63,431 SH   SOLE   63,431 0 0
Plexus Corp. com 729132100 413 6,600 SH   SOLE   6,600 0 0
Portland General Electric Co. com 736508847 764 13,550 SH   SOLE   13,550 0 0
Powell Industries Inc. com 739128106 1,190 30,400 SH   SOLE   30,400 0 0
Premier Inc. com 74051N102 257 8,900 SH   SOLE   8,900 0 0
Quanex Building Products Corp. com 747619104 298 16,500 SH   SOLE   16,500 0 0
Radian Group, Inc. com 750236101 659 28,860 SH   SOLE   28,860 0 0
Rapid7, Inc. com 753422104 3,492 76,930 SH   SOLE   4,700 0 72,230
Recro Pharma, Inc. com 75629F109 554 50,000 SH   SOLE   50,000 0 0
Red Rock Resorts Inc com 75700L108 213 10,470 SH   SOLE   10,470 0 0
Rent-A-Center Inc. com 76009n100 985 38,200 SH   SOLE   38,200 0 0
Resmed Inc. com 761152107 223 1,650 SH   SOLE   0 0 1,650
Rosetta Stone, Inc. com 777780107 1,423 81,800 SH   SOLE   81,800 0 0
Rubicon Project Inc com 78112V102 617 70,800 SH   SOLE   70,800 0 0
Rush Enterprises,Inc. Cl A com 781846209 930 24,100 SH   SOLE   24,100 0 0
Ryman Hospitality Pptys. Inc. com 78377t107 855 10,450 SH   SOLE   10,450 0 0
Sanmina Corporation com 801056102 777 24,200 SH   SOLE   24,200 0 0
Science Applications Int'l. Co com 808625107 445 5,100 SH   SOLE   5,100 0 0
Simmons First National Corp. com 828730200 758 30,430 SH   SOLE   30,430 0 0
Skyline Champion Corp com 830830105 10,195 338,813 SH   SOLE   121,333 0 217,480
Skywest Inc com 830879102 10,080 175,611 SH   SOLE   62,618 0 112,992
Southern Natl Bancorp of Virgi com 843395104 566 36,800 SH   SOLE   36,800 0 0
Southwest Gas Corp. com 844895102 767 8,430 SH   SOLE   8,430 0 0
Spartan Motors, Inc. com 846819100 729 53,100 SH   SOLE   53,100 0 0
Spirit Airlines, Inc. com 848577102 327 8,999 SH   SOLE   8,999 0 0
Sprott Physical Gold and Silve com 85208r101 142 10,000 SH   SOLE   0 0 10,000
Stifel Financial Corp. com 860630102 776 13,520 SH   SOLE   13,520 0 0
Synnex Corp. com 87162W100 910 8,059 SH   SOLE   8,059 0 0
Tactile Sys Technology, Inc. com 87357P100 917 21,670 SH   SOLE   18,400 0 3,270
Tal Education Group ADR com 874080104 514 15,000 SH   SOLE   15,000 0 0
Tandem Diabetes Care, Inc. com 875372203 11,761 199,410 SH   SOLE   91,900 0 107,510
Team Inc. com 878155100 722 40,000 SH   SOLE   40,000 0 0
Techtarget, Inc. com 87874R100 550 24,400 SH   SOLE   24,400 0 0
Tecnoglass, Inc. com G87264100 358 44,000 SH   SOLE   44,000 0 0
Telaria, Inc. com 879181105 1,153 166,800 SH   SOLE   166,800 0 0
Tennant Company com 880345103 898 12,700 SH   SOLE   12,700 0 0
Tetra Tech, Inc. com 88162g103 749 8,630 SH   SOLE   8,630 0 0
The Travelers Co., Inc. com 89417E109 405 2,722 SH   SOLE   0 0 2,722
Tilly's, Inc. com 886885102 378 40,000 SH   SOLE   40,000 0 0
Timken Company com 887389104 644 14,790 SH   SOLE   14,790 0 0
Tital Oil & Gas, Inc. com 888309101 0 10,000 SH   SOLE   0 0 10,000
Trex Company, Inc. com 89531P105 5,730 63,020 SH   SOLE   18,400 0 44,620
Triumph Bancorp, Inc. com 89679E300 816 25,600 SH   SOLE   25,600 0 0
Triumph Group, Inc. com 896818101 1,033 45,140 SH   SOLE   45,140 0 0
US Silica Holdings, Inc. com 90346E103 164 17,109 SH   SOLE   17,109 0 0
Unifirst Corp/MA com 904708104 468 2,400 SH   SOLE   2,400 0 0
Uniqure NV com N90064101 5,203 132,180 SH   SOLE   106,980 0 25,200
Upland Software, Inc. com 91544A109 8,011 229,815 SH   SOLE   96,530 0 133,285
Urban Outfitters, Inc. com 917047102 399 14,200 SH   SOLE   14,200 0 0
Veracyte, Inc. com 92337F107 540 22,500 SH   SOLE   22,500 0 0
Vericel Corp. com 92346J108 8,094 534,623 SH   SOLE   210,423 0 324,200
Verint Sys Inc. com 92343x100 395 9,230 SH   SOLE   9,230 0 0
Verizon Communications com 92343V104 212 3,517 SH   SOLE   0 0 3,517
Viavi Solutions, Inc. com 925550105 147 10,530 SH   SOLE   10,300 0 230
Virtus Investment Partners com 92828Q109 243 2,200 SH   SOLE   2,200 0 0
Vishay Intertechnology com 928298108 646 38,150 SH   SOLE   38,150 0 0
W&T Offshore, Inc. com 92922p106 760 173,900 SH   SOLE   173,900 0 0
WW International, Inc. com 98262P101 2,443 64,600 SH   SOLE   6,900 0 57,700
Wal Mart Stores Inc. com 931142103 295 2,482 SH   SOLE   0 0 2,482
Walker & Dunlop, Inc. com 93148P102 575 10,286 SH   SOLE   10,286 0 0
Werner Enterprises, Inc. com 950755108 332 9,400 SH   SOLE   9,400 0 0
Williams-Sonoma, Inc. com 969904101 1,230 18,100 SH   SOLE   17,930 0 170
Wolverine World Wide com 978097103 853 30,182 SH   SOLE   30,182 0 0
Xenacare Hldgs, Inc. com 98401A106 0 140,000 SH   SOLE   0 0 140,000
Xenia Hotels & Resorts, Inc. com 984017103 548 25,960 SH   SOLE   25,960 0 0
Yum China Hldgs, Inc. com 98850P109 1,382 30,430 SH   SOLE   30,000 0 430
Zix Corp. com 98974P100 2,117 292,470 SH   SOLE   292,470 0 0
SPDR S&P 500 ETF Trust com 78462F103 1,122 3,780 SH   SOLE   0 0 3,780