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
2 U Inc. (TWOU) COM 90214J101 5,142 174,823 SH   SOLE   24,468 0 150,355
A10 Networks Inc (ATEN) COM 002121101 1,553 240,000 SH   SOLE   32,048 0 207,952
ARC Document Solutions (ARC) COM 00191G103 1,318 338,776 SH   SOLE   45,400 0 293,376
ARDELYX (ARDX) COM 039697107 1,573 180,200 SH   SOLE   15,900 0 164,300
Abraxas Petroleum (AXAS) COM 003830106 904 800,000 SH   SOLE   0 0 800,000
Acacia Communications (ACIA) COM 00401C108 1,210 30,300 SH   SOLE   4,100 0 26,200
Acceleron Pharm Inc (XLRN) COM 00434H108 217 6,400 SH   SOLE   6,400 0 0
Activision Blizzard (ATVI) COM 00507V109 214 5,411 SH   SOLE   5,411 0 0
Actua Corp (ACTA) COM 005094107 1,085 120,200 SH   SOLE   14,900 0 105,300
Acuity Brands (AYI) COM 00508Y102 627 2,530 SH   SOLE   2,530 0 0
Adamas Pharmaceuticals (ADMS) COM 00548A106 1,892 125,000 SH   SOLE   0 0 125,000
Aerie Pharmaceuticals (AERI) COM 00771V108 361 20,500 SH   SOLE   20,500 0 0
Affiliated Managers Group (AMG COM 008252108 227 1,615 SH   SOLE   1,615 0 0
Agilent Technologies (A) COM 00846U101 431 9,719 SH   SOLE   9,719 0 0
Alaska Airgroup (ALK) COM 011659109 288 4,944 SH   SOLE   4,944 0 0
Alexion Pharm.Inc (ALXN) COM 015351109 234 2,000 SH   SOLE   2,000 0 0
Allegion PLC (ALLE) COM G0176J109 419 6,041 SH   SOLE   6,041 0 0
Alliance Data Systems (ADS) COM 018581108 245 1,252 SH   SOLE   1,252 0 0
Allied Motion Technologies Inc COM 019330109 2,245 96,500 SH   SOLE   13,000 0 83,500
Amber Road Inc (AMBR) COM 02318Y108 2,893 375,255 SH   SOLE   50,200 0 325,055
American Renal Associates Hold COM 029227105 2,802 96,713 SH   SOLE   14,313 0 82,400
Amerisource Bergen Corp (ABC) COM 03073E105 362 4,559 SH   SOLE   4,559 0 0
Amphenol Corp (APH) COM 032095101 385 6,713 SH   SOLE   6,713 0 0
Aon Ord (AON) COM G0408V102 514 4,709 SH   SOLE   4,709 0 0
Applied Materials (AMAT) COM 038222105 437 18,236 SH   SOLE   18,236 0 0
Arctic Cat (ACAT) COM 039670104 1,955 114,980 SH   SOLE   14,500 0 100,480
Argos Therapeutics (ARGS) COM 040221103 1,135 185,097 SH   SOLE   18,400 0 166,697
Asbury Automotive Grp (ABG) COM 043436104 299 5,675 SH   SOLE   5,675 0 0
Aspen Aerogels Inc (ASPN) COM 04523Y105 2,814 566,200 SH   SOLE   76,100 0 490,100
Avinger (AVGR) COM 053734109 1,966 164,800 SH   SOLE   15,200 0 149,600
Bel Fuse Inc. (BELFB) COM 077347300 1,616 90,909 SH   SOLE   11,900 0 79,009
Bill Barrett (BBG) COM 06846N104 1,223 191,400 SH   SOLE   25,000 0 166,400
Bio-Techne Corp (TECH) COM 09073M104 1,239 10,987 SH   SOLE   10,987 0 0
BioMarin Pharmaceutical (BMRN) COM 09061G101 292 3,757 SH   SOLE   3,757 0 0
Boingo Wireless (WIFI) COM 09739C102 2,779 311,500 SH   SOLE   39,800 0 271,700
Broadcom LTD (AVGO) COM Y09827109 993 6,391 SH   SOLE   6,391 0 0
Build-A-Bear Workshop (BBW) COM 120076104 266 19,800 SH   SOLE   19,800 0 0
Builders Firstsource (BLDR) COM 12008R107 2,862 254,400 SH   SOLE   33,300 0 221,100
C.R.Bard (BCR) COM 067383109 495 2,104 SH   SOLE   2,104 0 0
CBOE Holdings (CBOE) COM 12503M108 436 6,552 SH   SOLE   6,552 0 0
CDW Corp. (CDW) COM 12514G108 332 8,288 SH   SOLE   8,288 0 0
CUI Global (CUI) COM 126576206 2,070 409,819 SH   SOLE   52,600 0 357,219
Cadence Design Systems (CDNS) COM 127387108 350 14,423 SH   SOLE   14,423 0 0
Callidus Software, Inc. (CALD) COM 13123E500 3,588 179,577 SH   SOLE   25,607 0 153,970
Cara Therapeutics (CARA) COM 140755109 925 192,300 SH   SOLE   22,500 0 169,800
Carlisle Companies (CSL) COM 142339100 572 5,411 SH   SOLE   5,411 0 0
Carriage Services Inc (CSV) COM 143905107 3,275 138,300 SH   SOLE   18,400 0 119,900
Cerner Corp (CERN) COM 156782104 323 5,511 SH   SOLE   5,511 0 0
Cimarex Energy Co. (XEC) COM 171798101 275 2,304 SH   SOLE   2,304 0 0
CitiTrends (CTRN) COM 17306X102 1,353 87,100 SH   SOLE   11,300 0 75,800
City Office Reit (CIO) COM 178587101 2,024 155,932 SH   SOLE   20,900 0 135,032
Coach Inc (COH) COM 189754104 273 6,700 SH   SOLE   6,700 0 0
CommScope Holding Company, Inc COM 20337X109 267 8,617 SH   SOLE   8,617 0 0
ConAgra Foods Inc. (CAG) COM 205887102 441 9,218 SH   SOLE   9,218 0 0
Corium International, Inc. (CO COM 21887L107 922 265,700 SH   SOLE   18,400 0 247,300
Costar Group (CSGP) COM 22160N109 447 2,045 SH   SOLE   2,045 0 0
Covenant Transportation (CVTI) COM 22284P105 284 15,700 SH   SOLE   15,700 0 0
Cross Country Healthcare (CCRN COM 227483104 1,819 130,659 SH   SOLE   16,900 0 113,759
Crown Castle International Cor COM 22822V101 386 3,808 SH   SOLE   3,808 0 0
D.R. Horton (DHI) COM 23331A109 387 12,289 SH   SOLE   12,289 0 0
Del Taco Restaurants (TACO) COM 245496104 2,040 224,129 SH   SOLE   29,700 0 194,429
Delphi Automotive (DLPH) COM G27823106 489 7,815 SH   SOLE   7,815 0 0
Dollar General (DG) COM 256677105 791 8,417 SH   SOLE   8,417 0 0
Dollar Tree (DLTR) COM 256746108 359 3,807 SH   SOLE   3,807 0 0
Domino's Pizza (DPZ) COM 25754A201 460 3,500 SH   SOLE   3,500 0 0
Dr Pepper Snapple Group, Inc. COM 26138E109 591 6,112 SH   SOLE   6,112 0 0
Dunkin' Brands (DNKN) COM 265504100 371 8,500 SH   SOLE   8,500 0 0
Eagle Pharmaceuticals (EGRX) COM 269796108 1,365 35,200 SH   SOLE   0 0 35,200
Eastman Chemical Co. (EMN) COM 277432100 250 3,683 SH   SOLE   3,683 0 0
Edwards Lifesciences (EW) COM 28176E108 500 5,010 SH   SOLE   5,010 0 0
Egalet (EGLT) COM 28226B104 1,135 228,890 SH   SOLE   22,800 0 206,090
Eldorado Resorts, Inc. (ERI) COM 28470R102 2,138 140,700 SH   SOLE   18,900 0 121,800
Enanta Pharmaceuticals (ENTA) COM 29251M106 225 10,200 SH   SOLE   10,200 0 0
Entravision Communications (EV COM 29382R107 1,776 264,258 SH   SOLE   34,600 0 229,658
Equifax (EFX) COM 294429105 489 3,808 SH   SOLE   3,808 0 0
Equinix Inc (EQIX) COM 29444U700 402 1,038 SH   SOLE   1,038 0 0
Evolent Health, Inc. (EVH) COM 30050B101 3,393 176,700 SH   SOLE   23,600 0 153,100
Exar Corp (EXAR) COM 300645108 2,107 261,700 SH   SOLE   35,100 0 226,600
Extra Space Storage (EXR) COM 30225T102 306 3,311 SH   SOLE   3,311 0 0
Federal Realty Investment Trus COM 313747206 276 1,667 SH   SOLE   1,667 0 0
Fidelity National Info. Srvcs. COM 31620M106 317 4,309 SH   SOLE   4,309 0 0
First Republic Bank (FRC) COM 33616C100 389 5,553 SH   SOLE   5,553 0 0
Fiserv, Inc. (FISV) COM 337738108 436 4,008 SH   SOLE   4,008 0 0
Five9 Inc (FIVN) COM 338307101 1,795 150,800 SH   SOLE   20,100 0 130,700
Flexion Therapeutics (FLXN) COM 33938J106 1,697 113,400 SH   SOLE   15,200 0 98,200
Foot Locker , Inc (FL) COM 344849104 369 6,733 SH   SOLE   6,733 0 0
Fortinet Inc (FTNT) COM 34959E109 512 16,200 SH   SOLE   16,200 0 0
Fortune Brands Home & Security COM 34964C106 352 6,073 SH   SOLE   6,073 0 0
GTT Communications (GTT) COM 362393100 2,907 157,319 SH   SOLE   22,838 0 134,481
Global Medical REIT (GMRE) COM 37954A204 1,314 130,000 SH   SOLE   17,400 0 112,600
Globant SA (GLOB) COM L44385109 2,963 75,300 SH   SOLE   9,900 0 65,400
GlycoMimetics, Inc (GLYC) COM 38000Q102 1,090 150,000 SH   SOLE   0 0 150,000
Good Times Restaurant (GTIM) COM 382140879 117 33,400 SH   SOLE   33,400 0 0
HD Supply Holdings, Inc. (HDS) COM 40416M105 301 8,631 SH   SOLE   8,631 0 0
Habit Restaurants (HABT) COM 40449J103 2,196 134,055 SH   SOLE   16,800 0 117,255
Hackett Group (HCKT) COM 404609109 1,774 127,900 SH   SOLE   17,100 0 110,800
Hannon Armstrong (HASI) COM 41068X100 3,734 172,862 SH   SOLE   24,192 0 148,670
Hasbro (HAS) COM 418056107 362 4,309 SH   SOLE   4,309 0 0
Healthcare Trust of America, I COM 42225P501 412 12,748 SH   SOLE   12,748 0 0
Healthstream Inc (HSTM) COM 42222N103 2,803 105,700 SH   SOLE   13,800 0 91,900
Helmerich & Payne, Inc. (HP) COM 423452101 303 4,509 SH   SOLE   4,509 0 0
Henry Schein (HSIC) COM 806407102 354 2,004 SH   SOLE   2,004 0 0
Hertz Global (HTZ.old) COM 42805T105 251 22,645 SH   SOLE   22,645 0 0
Hunt (JB) Transport Srvcs Inc COM 445658107 1,084 13,400 SH   SOLE   13,400 0 0
Idera Pharmaceuticals (IDRA) COM 45168K306 612 400,000 SH   SOLE   0 0 400,000
Imprivata (IMPR) COM 45323J103 2,741 195,800 SH   SOLE   25,700 0 170,100
Incyte Corp (INCY) COM 45337C102 260 3,256 SH   SOLE   3,256 0 0
Ingersoll-Rand Inc (IR) COM G47791101 345 5,411 SH   SOLE   5,411 0 0
Instructure, Inc. (INST) COM 45781U103 2,939 154,700 SH   SOLE   20,700 0 134,000
Inter Parfums Inc (IPAR) COM 458334109 383 13,400 SH   SOLE   13,400 0 0
Intersect ENT (XENT) COM 46071F103 175 13,500 SH   SOLE   13,500 0 0
Intra-Cellular Therapies (ITCI COM 46116X101 295 7,600 SH   SOLE   7,600 0 0
Intuit (INTU) COM 461202103 514 4,609 SH   SOLE   4,609 0 0
Intuitive Surgical (ISRG) COM 46120E602 398 601 SH   SOLE   601 0 0
Inventure Group, Inc.(SNAK) COM 461212102 2,042 261,500 SH   SOLE   34,600 0 226,900
Invuity (IVTY) COM 46187J205 2,945 309,000 SH   SOLE   21,400 0 287,600
Jack Henry & Assoc. (JKHY) COM 426281101 269 3,082 SH   SOLE   3,082 0 0
K2M Group Holdings (KTWO) COM 48273J107 2,231 143,761 SH   SOLE   16,800 0 126,961
KORNIT DIGITAL LTD. (KRNT) COM M6372Q113 722 74,000 SH   SOLE   9,500 0 64,500
Kate Spade & Company (KATE) COM 485865109 258 12,541 SH   SOLE   12,541 0 0
Kellogg Co (K) COM 487836108 704 8,617 SH   SOLE   8,617 0 0
Kirklands(KIRK) COM 497498105 1,784 121,500 SH   SOLE   12,800 0 108,700
Kona Grill (KONA) COM 50047H201 1,816 169,400 SH   SOLE   22,500 0 146,900
LGI Homes (LGIH) COM 50187T106 2,414 75,592 SH   SOLE   11,392 0 64,200
Laboratory Corp Of America (LH COM 50540R409 352 2,705 SH   SOLE   2,705 0 0
Lam Research (LRCX) COM 512807108 1,152 13,700 SH   SOLE   13,700 0 0
Lions Gate Entertainment Corp. COM 535919203 320 15,824 SH   SOLE   15,824 0 0
Lululemon Athletica Inc(LULU) COM 550021109 1,163 15,751 SH   SOLE   15,751 0 0
M/I Schottenstein Homes (MHO) COM 55305B101 1,644 87,300 SH   SOLE   10,800 0 76,500
MGM Resorts Intl (MGM) COM 552953101 283 12,525 SH   SOLE   12,525 0 0
Marcus & Millichap (MMI) COM 566324109 1,842 72,489 SH   SOLE   9,500 0 62,989
Marten Transport (MRTN) COM 573075108 1,735 87,650 SH   SOLE   12,250 0 75,400
Materialise NV (MTLS) COM 57667T100 1,307 182,861 SH   SOLE   24,400 0 158,461
Maxim Integrated Products (MXI COM 57772K101 240 6,713 SH   SOLE   6,713 0 0
Maxlinear Inc (MXL) COM 57776J100 3,922 218,106 SH   SOLE   30,006 0 188,100
Mimecast Limited (MIME) COM G14838109 1,793 179,100 SH   SOLE   24,000 0 155,100
Mohawk Inds. (MHK) COM 608190104 342 1,804 SH   SOLE   1,804 0 0
Monster Beverage (MNST) COM 61174X109 757 4,709 SH   SOLE   4,709 0 0
NCI Building Systems (NCS) COM 628852204 2,877 179,900 SH   SOLE   23,200 0 156,700
NVIDIA Corp (NVDA) COM 67066G104 344 7,314 SH   SOLE   7,314 0 0
Nanometrics Inc (NANO) COM 630077105 1,360 65,400 SH   SOLE   8,800 0 56,600
Natera, Inc. (NTRA) COM 632307104 2,058 170,600 SH   SOLE   11,800 0 158,800
National Oil Well Varco, Inc. COM 637071101 333 9,900 SH   SOLE   9,900 0 0
Natural Grocers (NGVC) COM 63888U108 1,630 124,900 SH   SOLE   15,700 0 109,200
Nautilus Group (NLS) COM 63910B102 4,214 236,191 SH   SOLE   30,200 0 205,991
Neophotonics (NPTN) COM 64051T100 1,692 177,500 SH   SOLE   23,700 0 153,800
Neos Therapeutics, Inc. (NEOS) COM 64052L106 1,386 149,343 SH   SOLE   13,771 0 135,572
NewLink Genetics Corp (NLNK) COM 651511107 890 79,000 SH   SOLE   8,500 0 70,500
Newell Brands Inc. (NWL) COM 651229106 457 9,419 SH   SOLE   9,419 0 0
Nivalis Therapeutics (NVLS) COM 65481J109 784 170,400 SH   SOLE   11,800 0 158,600
Nordstrom Inc. (JWN) COM 655664100 304 8,000 SH   SOLE   8,000 0 0
Norwegian Cruise Line (NCLH) COM G66721104 240 6,012 SH   SOLE   6,012 0 0
Nucor (NUE) COM 670346105 352 7,114 SH   SOLE   7,114 0 0
O'Reilly Automotive (ORLY) COM 67103H107 706 2,605 SH   SOLE   2,605 0 0
ON Semiconductor Corp (ON) COM 682189105 283 32,062 SH   SOLE   32,062 0 0
OOMA (OOMA) COM 683416101 1,419 173,219 SH   SOLE   22,319 0 150,900
Ollie's Bargain Outlet Holding COM 681116109 2,509 100,817 SH   SOLE   15,117 0 85,700
Oxford Immunotec Global (OXFD) COM G6855A103 205 22,800 SH   SOLE   22,800 0 0
PGT (PGTI) COM 69336V101 2,744 266,402 SH   SOLE   34,800 0 231,602
Papa Murphy's Hldgs (FRSH) COM 698814100 1,151 173,500 SH   SOLE   21,700 0 151,800
Parsley Energy, Inc. (PE) COM 701877102 285 10,521 SH   SOLE   10,521 0 0
Paychex (PAYX) COM 704326107 244 4,108 SH   SOLE   4,108 0 0
Paylocity Holdings (PCTY) COM 70438V106 2,505 57,983 SH   SOLE   1,067 0 56,916
Perkin Elmer Inc (PKI) COM 714046109 332 6,340 SH   SOLE   6,340 0 0
Pioneer Energy Services Corp.( COM 723664108 1,754 381,300 SH   SOLE   47,100 0 334,200
Press Ganey (PGND) COM 74113L102 3,978 101,100 SH   SOLE   13,200 0 87,900
Q2 Holdings (QTWO) COM 74736L109 3,403 121,445 SH   SOLE   17,435 0 104,010
Quidel (QDEL) COM 74838J101 2,814 157,578 SH   SOLE   22,163 0 135,415
Rapid7 (RPD) COM 753422104 1,854 147,400 SH   SOLE   19,700 0 127,700
Red Hat (RHT) COM 756577102 247 3,407 SH   SOLE   3,407 0 0
Repligen Corporation (RGEN) COM 759916109 547 20,000 SH   SOLE   20,000 0 0
Retrophin (RTRX) COM 761299106 3,539 198,695 SH   SOLE   21,900 0 176,795
Ringcentral (RNG) COM 76680R206 2,479 125,725 SH   SOLE   17,725 0 108,000
Roadrunner Transportation Inc( COM 76973Q105 1,003 134,500 SH   SOLE   9,100 0 125,400
Ross Stores (ROST) COM 778296103 352 6,212 SH   SOLE   6,212 0 0
SEI Investment Company (SEIC) COM 784117103 1,187 24,663 SH   SOLE   24,663 0 0
Sabre (SABR) COM 78573M104 308 11,496 SH   SOLE   11,496 0 0
Service Now (NOW) COM 81762P102 234 3,529 SH   SOLE   3,529 0 0
ShorTel (SHOR) COM 825211105 1,660 248,200 SH   SOLE   32,600 0 215,600
Snap-On Inc (SNA) COM 833034101 384 2,432 SH   SOLE   2,432 0 0
Splunk (SPLK) COM 848637104 224 4,130 SH   SOLE   4,130 0 0
Sportman's Warehouse (SPWH) COM 84920Y106 1,933 239,852 SH   SOLE   31,032 0 208,820
Sterling Construction (STRL) COM 859241101 1,550 315,759 SH   SOLE   41,803 0 273,956
Synergy Pharmaceuticals (SGYP) COM 871639308 1,023 269,300 SH   SOLE   34,200 0 235,100
Tearlab (TEAR) COM 878193101 421 658,300 SH   SOLE   34,200 0 624,100
Teladoc (TDOC) COM 87918A105 2,832 176,800 SH   SOLE   23,600 0 153,200
Teligent Inc (TLGT) COM 87960W104 2,411 337,725 SH   SOLE   37,300 0 300,425
The Chefs' Warehouse, Inc. (CH COM 163086101 1,554 97,100 SH   SOLE   9,600 0 87,500
Thermo Fisher Scientific (TMO) COM 883556102 1,182 8,000 SH   SOLE   8,000 0 0
Tile Shop Holdings (TTS) COM 88677Q109 4,563 229,521 SH   SOLE   31,253 0 198,268
Total System Services (TSS) COM 891906109 258 4,863 SH   SOLE   4,863 0 0
Tracon Pharmaceutical (TCON) COM 89237H100 1,058 241,536 SH   SOLE   0 0 241,536
Tractor Supply Co (TSCO) COM 892356106 466 5,110 SH   SOLE   5,110 0 0
Trex,Inc (TREX) COM 89531P105 809 18,000 SH   SOLE   18,000 0 0
TubeMogul (TUBE) COM 898570106 2,652 222,843 SH   SOLE   29,900 0 192,943
Ultimate Software Group (ULTI) COM 90385D107 363 1,728 SH   SOLE   1,728 0 0
Ultra Clean (UCTT) COM 90385V107 782 137,400 SH   SOLE   15,700 0 121,700
Under Armour (UA) COM 904311107 622 15,511 SH   SOLE   15,511 0 0
Under Armour Inc. class C (UA. COM 904311206 367 10,070 SH   SOLE   10,070 0 0
Vail Resorts (MTN) COM 91879Q109 228 1,652 SH   SOLE   1,652 0 0
Ventas (VTR) COM 92276F100 350 4,809 SH   SOLE   4,809 0 0
Veracyte, Inc. (VCYT) COM 92337F107 1,008 200,400 SH   SOLE   15,000 0 185,400
Vista Outdoor Inc. (VSTO) COM 928377100 342 7,156 SH   SOLE   7,156 0 0
Vulcan Materials (VMC) COM 929160109 633 5,259 SH   SOLE   5,259 0 0
WR Grace & Co (GRA) COM 38388F108 277 3,787 SH   SOLE   3,787 0 0
Wabash National Corp (WNC) COM 929566107 2,211 174,084 SH   SOLE   19,266 0 154,818
White Wave Foods (WWAV) COM 966244105 496 10,559 SH   SOLE   10,559 0 0
Whole Foods Mkt (WFM) COM 966837106 346 10,800 SH   SOLE   10,800 0 0
Wynn Resorts(WYNN) COM 983134107 318 3,507 SH   SOLE   3,507 0 0
Xactly (XTLY) COM 98386L101 3,023 236,000 SH   SOLE   31,400 0 204,600
Zoetis Inc. (ZTS) COM 98978V103 528 11,122 SH   SOLE   11,122 0 0
iShares PHLX SOX Semiconductor COM 464287523 506 5,400 SH   SOLE   5,400 0 0
vTv Therapeutics Inc. (VTVT) COM 918385105 1,415 244,000 SH   SOLE   16,800 0 227,200