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
A10 Networks Inc (ATEN) COM 002121101 2,566 240,000 SH   SOLE   32,048 0 207,952
ARDELYX (ARDX) COM 039697107 2,455 189,700 SH   SOLE   25,400 0 164,300
Abraxas Petroleum (AXAS) COM 003830106 1,352 800,000 SH   SOLE   0 0 800,000
Acacia Communications (ACIA) COM 00401C108 1,694 16,400 SH   SOLE   2,200 0 14,200
Acceleron Pharm Inc (XLRN) COM 00434H108 232 6,400 SH   SOLE   6,400 0 0
Activision Blizzard (ATVI) COM 00507V109 240 5,411 SH   SOLE   5,411 0 0
Actua Corp (ACTA) COM 005094107 2,271 175,400 SH   SOLE   23,300 0 152,100
Acuity Brands (AYI) COM 00508Y102 371 1,403 SH   SOLE   1,403 0 0
Adamas Pharmaceuticals (ADMS) COM 00548A106 2,365 144,100 SH   SOLE   19,100 0 125,000
Aerie Pharmaceuticals (AERI) COM 00771V108 4,846 128,400 SH   SOLE   20,500 0 107,900
Affiliated Managers Group (AMG COM 008252108 234 1,615 SH   SOLE   1,615 0 0
Agilent Technologies (A) COM 00846U101 458 9,719 SH   SOLE   9,719 0 0
Alarm.Com Holdings, Inc. (ALRM COM 011642105 2,511 87,000 SH   SOLE   10,900 0 76,100
Alaska Airgroup (ALK) COM 011659109 326 4,944 SH   SOLE   4,944 0 0
Alexion Pharm.Inc (ALXN) COM 015351109 245 2,000 SH   SOLE   2,000 0 0
Allegion PLC (ALLE) COM G0176J109 416 6,041 SH   SOLE   6,041 0 0
Allied Motion Technologies Inc COM 019330109 1,825 96,500 SH   SOLE   13,000 0 83,500
Amber Road Inc (AMBR) COM 02318Y108 3,814 395,255 SH   SOLE   52,500 0 342,755
American Renal Associates Hold COM 029227105 1,950 106,713 SH   SOLE   15,613 0 91,100
Amerisource Bergen Corp (ABC) COM 03073E105 368 4,559 SH   SOLE   4,559 0 0
Amphenol Corp (APH) COM 032095101 436 6,713 SH   SOLE   6,713 0 0
Aon Ord (AON) COM G0408V102 530 4,709 SH   SOLE   4,709 0 0
Applied Materials (AMAT) COM 038222105 550 18,236 SH   SOLE   18,236 0 0
Applied Optoelectronics (AAOI) COM 03823U102 2,197 98,900 SH   SOLE   13,200 0 85,700
Aratana Therapeutics, Inc. (PE COM 03874P101 1,848 197,400 SH   SOLE   26,700 0 170,700
Argos Therapeutics (ARGS) COM 040221103 920 185,097 SH   SOLE   18,400 0 166,697
Asbury Automotive Grp (ABG) COM 043436104 316 5,675 SH   SOLE   5,675 0 0
Aspen Aerogels Inc (ASPN) COM 04523Y105 3,494 586,200 SH   SOLE   77,800 0 508,400
Bel Fuse Inc. (BELFB) COM 077347300 2,195 90,909 SH   SOLE   11,900 0 79,009
Belden Inc (BDC) COM 077454106 395 5,729 SH   SOLE   5,729 0 0
Bill Barrett (BBG) COM 06846N104 1,064 191,400 SH   SOLE   25,000 0 166,400
Bio-Techne Corp (TECH) COM 09073M104 1,203 10,987 SH   SOLE   10,987 0 0
BioMarin Pharmaceutical (BMRN) COM 09061G101 348 3,757 SH   SOLE   3,757 0 0
Boingo Wireless (WIFI) COM 09739C102 3,202 311,500 SH   SOLE   39,800 0 271,700
Broadcom LTD (AVGO) COM Y09827109 1,103 6,391 SH   SOLE   6,391 0 0
Build-A-Bear Workshop (BBW) COM 120076104 205 19,800 SH   SOLE   19,800 0 0
Builders Firstsource (BLDR) COM 12008R107 2,928 254,400 SH   SOLE   33,300 0 221,100
Burlington Stores (BURL) COM 122017106 400 4,937 SH   SOLE   4,937 0 0
C.R.Bard (BCR) COM 067383109 472 2,104 SH   SOLE   2,104 0 0
CDW Corp. (CDW) COM 12514G108 379 8,288 SH   SOLE   8,288 0 0
CUI Global (CUI) COM 126576206 2,389 409,819 SH   SOLE   52,600 0 357,219
Cadence Design Systems (CDNS) COM 127387108 368 14,423 SH   SOLE   14,423 0 0
Callidus Software, Inc. (CALD) COM 13123E500 3,295 179,577 SH   SOLE   25,607 0 153,970
Cara Therapeutics (CARA) COM 140755109 1,606 192,300 SH   SOLE   22,500 0 169,800
Carlisle Companies (CSL) COM 142339100 555 5,411 SH   SOLE   5,411 0 0
Carriage Services Inc (CSV) COM 143905107 3,271 138,300 SH   SOLE   18,400 0 119,900
Caseys General Store (CASY) COM 147528103 505 4,201 SH   SOLE   4,201 0 0
Cerner Corp (CERN) COM 156782104 340 5,511 SH   SOLE   5,511 0 0
Cimarex Energy Co. (XEC) COM 171798101 310 2,304 SH   SOLE   2,304 0 0
CitiTrends (CTRN) COM 17306X102 1,736 87,100 SH   SOLE   11,300 0 75,800
City Office Reit (CIO) COM 178587101 1,985 155,932 SH   SOLE   20,900 0 135,032
Coach Inc (COH) COM 189754104 245 6,700 SH   SOLE   6,700 0 0
CommScope Holding Company, Inc COM 20337X109 259 8,617 SH   SOLE   8,617 0 0
Concho Resources (CXO) COM 20605P101 206 1,503 SH   SOLE   1,503 0 0
Corium International, Inc. (CO COM 21887L107 1,496 265,700 SH   SOLE   18,400 0 247,300
Costar Group (CSGP) COM 22160N109 443 2,045 SH   SOLE   2,045 0 0
Covenant Transportation (CVTI) COM 22284P105 303 15,700 SH   SOLE   15,700 0 0
Cross Country Healthcare (CCRN COM 227483104 1,539 130,659 SH   SOLE   16,900 0 113,759
CyrusOne (CONE) COM 23283R100 315 6,615 SH   SOLE   6,615 0 0
D.R. Horton (DHI) COM 23331A109 363 12,024 SH   SOLE   12,024 0 0
Del Taco Restaurants (TACO) COM 245496104 3,138 263,229 SH   SOLE   35,000 0 228,229
Delphi Automotive (DLPH) COM G27823106 557 7,815 SH   SOLE   7,815 0 0
Dollar Tree (DLTR) COM 256746108 443 5,611 SH   SOLE   5,611 0 0
Domino's Pizza (DPZ) COM 25754A201 531 3,500 SH   SOLE   3,500 0 0
Dover Corporation(DOV) COM 260003108 553 7,515 SH   SOLE   7,515 0 0
Dr Pepper Snapple Group, Inc. COM 26138E109 558 6,112 SH   SOLE   6,112 0 0
Dunkin' Brands (DNKN) COM 265504100 443 8,500 SH   SOLE   8,500 0 0
Eagle Pharmaceuticals (EGRX) COM 269796108 2,464 35,200 SH   SOLE   0 0 35,200
Eastman Chemical Co. (EMN) COM 277432100 249 3,683 SH   SOLE   3,683 0 0
Edwards Lifesciences (EW) COM 28176E108 604 5,010 SH   SOLE   5,010 0 0
Egalet (EGLT) COM 28226B104 1,742 228,890 SH   SOLE   22,800 0 206,090
Eldorado Resorts, Inc. (ERI) COM 28470R102 2,295 163,200 SH   SOLE   21,700 0 141,500
Enanta Pharmaceuticals (ENTA) COM 29251M106 271 10,200 SH   SOLE   10,200 0 0
Endologix (ELGX) COM 29266S106 322 25,140 SH   SOLE   25,140 0 0
Entravision Communications (EV COM 29382R107 2,016 264,258 SH   SOLE   34,600 0 229,658
Equifax (EFX) COM 294429105 512 3,808 SH   SOLE   3,808 0 0
Equinix Inc (EQIX) COM 29444U700 374 1,038 SH   SOLE   1,038 0 0
Euro Net Worldwide (EEFT) COM 298736109 295 3,607 SH   SOLE   3,607 0 0
Evolent Health, Inc. (EVH) COM 30050B101 5,089 206,700 SH   SOLE   27,400 0 179,300
Exar Corp (EXAR) COM 300645108 2,436 261,700 SH   SOLE   35,100 0 226,600
Federal Realty Investment Trus COM 313747206 247 1,603 SH   SOLE   1,603 0 0
Fidelity National Info. Srvcs. COM 31620M106 332 4,309 SH   SOLE   4,309 0 0
First Republic Bank (FRC) COM 33616C100 428 5,553 SH   SOLE   5,553 0 0
Fiserv, Inc. (FISV) COM 337738108 399 4,008 SH   SOLE   4,008 0 0
Five9 Inc (FIVN) COM 338307101 2,365 150,800 SH   SOLE   20,100 0 130,700
Flexion Therapeutics (FLXN) COM 33938J106 2,745 140,500 SH   SOLE   18,700 0 121,800
Foot Locker , Inc (FL) COM 344849104 459 6,780 SH   SOLE   6,780 0 0
Fortinet Inc (FTNT) COM 34959E109 598 16,200 SH   SOLE   16,200 0 0
Fortune Brands Home & Security COM 34964C106 353 6,073 SH   SOLE   6,073 0 0
GTT Communications (GTT) COM 362393100 3,702 157,319 SH   SOLE   22,838 0 134,481
Globant SA (GLOB) COM L44385109 3,172 75,300 SH   SOLE   9,900 0 65,400
GlycoMimetics, Inc (GLYC) COM 38000Q102 1,072 150,000 SH   SOLE   0 0 150,000
Good Times Restaurant (GTIM) COM 382140879 175 51,900 SH   SOLE   51,900 0 0
HD Supply Holdings, Inc. (HDS) COM 40416M105 276 8,631 SH   SOLE   8,631 0 0
Habit Restaurants (HABT) COM 40449J103 2,111 150,755 SH   SOLE   20,100 0 130,655
Hackett Group (HCKT) COM 404609109 2,993 181,200 SH   SOLE   24,100 0 157,100
Hannon Armstrong (HASI) COM 41068X100 4,040 172,862 SH   SOLE   24,192 0 148,670
Hasbro (HAS) COM 418056107 342 4,309 SH   SOLE   4,309 0 0
Healthcare Trust of America, I COM 42225P501 416 12,748 SH   SOLE   12,748 0 0
Healthstream Inc (HSTM) COM 42222N103 2,917 105,700 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 327 2,004 SH   SOLE   2,004 0 0
Hunt (JB) Transport Srvcs Inc COM 445658107 1,087 13,400 SH   SOLE   13,400 0 0
IMPINJ Inc. (PI) COM 453204109 3,368 90,000 SH   SOLE   12,000 0 78,000
Idera Pharmaceuticals (IDRA) COM 45168K306 1,024 400,000 SH   SOLE   0 0 400,000
Incyte Corp (INCY) COM 45337C102 307 3,256 SH   SOLE   3,256 0 0
Ingersoll-Rand Inc (IR) COM G47791101 368 5,411 SH   SOLE   5,411 0 0
Instructure, Inc. (INST) COM 45781U103 3,925 154,700 SH   SOLE   20,700 0 134,000
Inter Parfums Inc (IPAR) COM 458334109 432 13,400 SH   SOLE   13,400 0 0
Intersect ENT (XENT) COM 46071F103 214 13,500 SH   SOLE   13,500 0 0
Intrawest Resorts Holdings, In COM 46090K109 1,796 110,727 SH   SOLE   16,127 0 94,600
Intuitive Surgical (ISRG) COM 46120E602 436 601 SH   SOLE   601 0 0
Inventure Group, Inc.(SNAK) COM 461212102 2,458 261,500 SH   SOLE   34,600 0 226,900
Invuity (IVTY) COM 46187J205 4,551 331,700 SH   SOLE   44,100 0 287,600
Jack Henry & Assoc. (JKHY) COM 426281101 264 3,082 SH   SOLE   3,082 0 0
K2M Group Holdings (KTWO) COM 48273J107 2,556 143,761 SH   SOLE   16,800 0 126,961
KORNIT DIGITAL LTD. (KRNT) COM M6372Q113 694 74,000 SH   SOLE   9,500 0 64,500
Kellogg Co (K) COM 487836108 668 8,617 SH   SOLE   8,617 0 0
Kirklands(KIRK) COM 497498105 1,480 121,500 SH   SOLE   12,800 0 108,700
Kona Grill (KONA) COM 50047H201 2,396 190,600 SH   SOLE   25,300 0 165,300
LGI Homes (LGIH) COM 50187T106 2,785 75,592 SH   SOLE   11,392 0 64,200
Laboratory Corp Of America (LH COM 50540R409 372 2,705 SH   SOLE   2,705 0 0
Lam Research (LRCX) COM 512807108 1,298 13,700 SH   SOLE   13,700 0 0
Lions Gate Entertainment Corp. COM 535919203 316 15,824 SH   SOLE   15,824 0 0
Live Nation Entertainment, Inc COM 538034109 401 14,610 SH   SOLE   14,610 0 0
Lululemon Athletica Inc(LULU) COM 550021109 732 12,000 SH   SOLE   12,000 0 0
M/I Schottenstein Homes (MHO) COM 55305B101 2,058 87,300 SH   SOLE   10,800 0 76,500
MGM Resorts Intl (MGM) COM 552953101 326 12,525 SH   SOLE   12,525 0 0
Marcus & Millichap (MMI) COM 566324109 1,896 72,489 SH   SOLE   9,500 0 62,989
Marten Transport (MRTN) COM 573075108 1,841 87,650 SH   SOLE   12,250 0 75,400
Materialise NV (MTLS) COM 57667T100 1,408 182,861 SH   SOLE   24,400 0 158,461
Maxim Integrated Products (MXI COM 57772K101 268 6,713 SH   SOLE   6,713 0 0
Maxlinear Inc (MXL) COM 57776J100 4,421 218,106 SH   SOLE   30,006 0 188,100
Micron Tech (MU) COM 595112103 394 22,144 SH   SOLE   22,144 0 0
Mimecast Limited (MIME) COM G14838109 3,426 179,100 SH   SOLE   24,000 0 155,100
Mohawk Inds. (MHK) COM 608190104 361 1,804 SH   SOLE   1,804 0 0
Moody's Corp (MCO) COM 615369105 347 3,206 SH   SOLE   3,206 0 0
NCI Building Systems (NCS) COM 628852204 2,625 179,900 SH   SOLE   23,200 0 156,700
NVIDIA Corp (NVDA) COM 67066G104 501 7,314 SH   SOLE   7,314 0 0
Nanometrics Inc (NANO) COM 630077105 1,830 81,900 SH   SOLE   10,900 0 71,000
Natera, Inc. (NTRA) COM 632307104 1,895 170,600 SH   SOLE   11,800 0 158,800
National Oil Well Varco, Inc. COM 637071101 364 9,900 SH   SOLE   9,900 0 0
Nautilus Group (NLS) COM 63910B102 4,462 196,400 SH   SOLE   26,100 0 170,300
Neophotonics (NPTN) COM 64051T100 2,900 177,500 SH   SOLE   23,700 0 153,800
Neos Therapeutics, Inc. (NEOS) COM 64052L106 983 149,343 SH   SOLE   13,771 0 135,572
NewLink Genetics Corp (NLNK) COM 651511107 2,233 148,700 SH   SOLE   19,700 0 129,000
Newell Brands Inc. (NWL) COM 651229106 586 11,122 SH   SOLE   11,122 0 0
Nivalis Therapeutics (NVLS) COM 65481J109 1,385 170,400 SH   SOLE   11,800 0 158,600
Nordstrom Inc. (JWN) COM 655664100 415 8,000 SH   SOLE   8,000 0 0
Novan Inc. (NOVN) COM 66988N106 2,522 125,000 SH   SOLE   16,600 0 108,400
O'Reilly Automotive (ORLY) COM 67103H107 730 2,605 SH   SOLE   2,605 0 0
ON Semiconductor Corp (ON) COM 682189105 608 49,332 SH   SOLE   49,332 0 0
OOMA (OOMA) COM 683416101 1,573 173,219 SH   SOLE   22,319 0 150,900
Otonomy, Inc. (OTIC) COM 68906L105 1,848 101,600 SH   SOLE   13,500 0 88,100
Oxford Immunotec Global (OXFD) COM G6855A103 286 22,800 SH   SOLE   22,800 0 0
PGT (PGTI) COM 69336V101 2,843 266,402 SH   SOLE   34,800 0 231,602
PTC Inc. (PTC) COM 69370C100 355 8,016 SH   SOLE   8,016 0 0
Palo Alto Networks (PANW) COM 697435105 423 2,656 SH   SOLE   2,656 0 0
Parker Hannifin (PH) COM 701094104 453 3,607 SH   SOLE   3,607 0 0
Parsley Energy, Inc. (PE) COM 701877102 353 10,521 SH   SOLE   10,521 0 0
Paychex (PAYX) COM 704326107 238 4,108 SH   SOLE   4,108 0 0
Paylocity Holdings (PCTY) COM 70438V106 2,578 57,983 SH   SOLE   1,067 0 56,916
Penske Automotive(PAG) COM 70959W103 241 5,000 SH   SOLE   5,000 0 0
Perkin Elmer Inc (PKI) COM 714046109 356 6,340 SH   SOLE   6,340 0 0
Pioneer Energy Services Corp.( COM 723664108 1,540 381,300 SH   SOLE   47,100 0 334,200
Press Ganey (PGND) COM 74113L102 2,844 70,400 SH   SOLE   9,300 0 61,100
Q2 Holdings (QTWO) COM 74736L109 3,481 121,445 SH   SOLE   17,435 0 104,010
Quanta Services (PWR) COM 74762E102 395 14,123 SH   SOLE   14,123 0 0
Quidel (QDEL) COM 74838J101 2,808 127,100 SH   SOLE   17,000 0 110,100
Rapid7 (RPD) COM 753422104 2,602 147,400 SH   SOLE   19,700 0 127,700
Repligen Corporation (RGEN) COM 759916109 604 20,000 SH   SOLE   20,000 0 0
Retrophin (RTRX) COM 761299106 4,447 198,695 SH   SOLE   21,900 0 176,795
Ross Stores (ROST) COM 778296103 399 6,212 SH   SOLE   6,212 0 0
SEI Investment Company (SEIC) COM 784117103 1,125 24,663 SH   SOLE   24,663 0 0
Sabre (SABR) COM 78573M104 324 11,496 SH   SOLE   11,496 0 0
Service Now (NOW) COM 81762P102 367 4,631 SH   SOLE   4,631 0 0
ShorTel (SHOR) COM 825211105 1,986 248,200 SH   SOLE   32,600 0 215,600
Snap-On Inc (SNA) COM 833034101 370 2,432 SH   SOLE   2,432 0 0
Spectrum Brands Holdings, Inc. COM 84763R101 380 2,763 SH   SOLE   2,763 0 0
Splunk (SPLK) COM 848637104 541 9,212 SH   SOLE   9,212 0 0
Sportman's Warehouse (SPWH) COM 84920Y106 2,947 280,133 SH   SOLE   40,413 0 239,720
Sterling Construction (STRL) COM 859241101 2,026 261,737 SH   SOLE   35,700 0 226,037
Symantec (SYMC) COM 871503108 357 14,228 SH   SOLE   14,228 0 0
Synergy Pharmaceuticals (SGYP) COM 871639308 1,484 269,300 SH   SOLE   34,200 0 235,100
Tabula Rasa HealthCare, Inc. ( COM 873379101 2,148 150,000 SH   SOLE   19,900 0 130,100
Tactile Systems Technology, In COM 87357P100 4,675 250,000 SH   SOLE   33,200 0 216,800
Tearlab (TEAR) COM 878193101 428 658,300 SH   SOLE   34,200 0 624,100
Teladoc (TDOC) COM 87918A105 3,237 176,800 SH   SOLE   23,600 0 153,200
Teligent Inc (TLGT) COM 87960W104 2,567 337,725 SH   SOLE   37,300 0 300,425
The Chefs' Warehouse, Inc. (CH COM 163086101 1,082 97,100 SH   SOLE   9,600 0 87,500
The Hershey Co.(HSY) COM 427866108 364 3,808 SH   SOLE   3,808 0 0
Thermo Fisher Scientific (TMO) COM 883556102 1,272 8,000 SH   SOLE   8,000 0 0
Tile Shop Holdings (TTS) COM 88677Q109 2,406 145,368 SH   SOLE   19,300 0 126,068
Tracon Pharmaceutical (TCON) COM 89237H100 1,611 241,536 SH   SOLE   0 0 241,536
Trex,Inc (TREX) COM 89531P105 1,057 18,000 SH   SOLE   18,000 0 0
TubeMogul (TUBE) COM 898570106 2,088 222,843 SH   SOLE   29,900 0 192,943
Ultimate Software Group (ULTI) COM 90385D107 353 1,728 SH   SOLE   1,728 0 0
Ultra Clean (UCTT) COM 90385V107 1,222 164,916 SH   SOLE   25,100 0 139,816
Under Armour (UA) COM 904311107 677 17,515 SH   SOLE   17,515 0 0
Under Armour Inc. class C (UA. COM 904311206 341 10,070 SH   SOLE   10,070 0 0
Vail Resorts (MTN) COM 91879Q109 404 2,578 SH   SOLE   2,578 0 0
Ventas (VTR) COM 92276F100 340 4,809 SH   SOLE   4,809 0 0
Veracyte, Inc. (VCYT) COM 92337F107 1,525 200,400 SH   SOLE   15,000 0 185,400
Vince Holding Corp (VNCE) COM 92719W108 2,078 368,467 SH   SOLE   48,900 0 319,567
Vista Outdoor Inc. (VSTO) COM 928377100 285 7,156 SH   SOLE   7,156 0 0
Vocera Communications(VCRA) COM 92857F107 3,246 192,079 SH   SOLE   25,500 0 166,579
Vulcan Materials (VMC) COM 929160109 598 5,259 SH   SOLE   5,259 0 0
WR Grace & Co (GRA) COM 38388F108 279 3,787 SH   SOLE   3,787 0 0
Wabash National Corp (WNC) COM 929566107 1,798 126,284 SH   SOLE   19,266 0 107,018
Whole Foods Mkt (WFM) COM 966837106 306 10,800 SH   SOLE   10,800 0 0
Workiva Inc. (WK) COM 98139A105 1,786 98,500 SH   SOLE   13,100 0 85,400
Wynn Resorts(WYNN) COM 983134107 342 3,507 SH   SOLE   3,507 0 0
Xactly (XTLY) COM 98386L101 3,474 236,000 SH   SOLE   31,400 0 204,600
Zayo Group (ZAYO) COM 98919V105 286 9,617 SH   SOLE   9,617 0 0
Zoetis Inc. (ZTS) COM 98978V103 578 11,122 SH   SOLE   11,122 0 0
iShares PHLX SOX Semiconductor COM 464287523 610 5,400 SH   SOLE   5,400 0 0
vTv Therapeutics Inc. (VTVT) COM 918385105 1,754 244,000 SH   SOLE   16,800 0 227,200