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
ACADIA HEALTHCARE COMPANY IN COM 00404A109 39,937 1,142,687 SH   SOLE   788,545 0 354,142
ACI WORLDWIDE INC COM 004498101 46,180 1,344,786 SH   SOLE   931,115 0 413,671
ADVANCED ENERGY INDS COM 007973100 39,096 694,797 SH   SOLE   481,772 0 213,025
AERCAP HOLDINGS NV SHS N00985106 57,315 1,102,009 SH   SOLE   763,556 0 338,453
ALAMOS GOLD INC NEW COM CL A 011532108 14,981 2,476,153 SH   SOLE   1,749,841 0 726,312
ALBANY INTL CORP CL A 012348108 53,515 645,456 SH   SOLE   452,986 0 192,470
ALBEMARLE CORP COM 012653101 14,902 211,644 SH   SOLE   158,667 0 52,977
ALLETE INC COM NEW 018522300 67,637 812,846 SH   SOLE   564,168 0 248,678
ALTRA INDL MOTION CORP COM 02208R106 37,382 1,041,875 SH   SOLE   726,331 0 315,544
AMERICAN EQTY INVT LIFE HLD COM 025676206 20,464 753,467 SH   SOLE   524,521 0 228,946
APTARGROUP INC COM 038336103 17,733 142,620 SH   SOLE   106,947 0 35,673
ARDMORE SHIPPING CORP COM Y0207T100 21,912 2,688,536 SH   SOLE   1,793,898 0 894,638
ASGN INC COM 00191U102 44,108 727,850 SH   SOLE   504,072 0 223,778
ASPEN TECHNOLOGY INC COM 045327103 42,447 341,546 SH   SOLE   236,615 0 104,931
ATN INTL INC COM 00215F107 12,125 210,025 SH   SOLE   137,333 0 72,692
AZZ INC COM 002474104 13,789 299,627 SH   SOLE   209,925 0 89,702
BANKUNITED INC COM 06652K103 19,337 573,120 SH   SOLE   429,760 0 143,360
BANNER CORP COM NEW 06652V208 16,673 307,904 SH   SOLE   211,081 0 96,823
BARNES GROUP INC COM 067806109 34,113 605,493 SH   SOLE   420,991 0 184,502
BELDEN INC COM 077454106 38,496 646,232 SH   SOLE   451,598 0 194,634
BENCHMARK ELECTRS INC COM 08160H101 14,056 559,574 SH   SOLE   365,443 0 194,131
BERKSHIRE HILLS BANCORP INC COM 084680107 25,784 821,405 SH   SOLE   569,989 0 251,416
BOTTOMLINE TECH DEL INC COM 101388106 53,014 1,198,334 SH   SOLE   830,343 0 367,991
BYLINE BANCORP INC COM 124411109 17,911 936,752 SH   SOLE   612,540 0 324,212
CAI INTERNATIONAL INC COM 12477X106 25,308 1,019,676 SH   SOLE   666,767 0 352,909
CALAMP CORP COM 128126109 22,809 1,952,861 SH   SOLE   1,352,791 0 600,070
CAPITAL PRODUCT PARTNERS L P PARTNERSHP UNITS Y11082206 3,717 354,026 SH   SOLE   236,536 0 117,490
CARTERS INC COM 146229109 52,997 543,334 SH   SOLE   375,873 0 167,461
CASELLA WASTE SYS INC CL A 147448104 26,751 675,015 SH   SOLE   441,490 0 233,525
CATALENT INC COM 148806102 16,807 310,034 SH   SOLE   232,396 0 77,638
CHARLES RIV LABS INTL INC COM 159864107 51,233 361,050 SH   SOLE   253,377 0 107,673
CHEFS WHSE INC COM 163086101 20,519 585,079 SH   SOLE   382,576 0 202,503
CHEMED CORP NEW COM 16359R103 50,018 138,615 SH   SOLE   96,386 0 42,229
CHEMICAL FINL CORP COM 163731102 30,370 738,753 SH   SOLE   516,401 0 222,352
COHEN & STEERS INC COM 19247A100 22,320 433,909 SH   SOLE   325,401 0 108,508
COLUMBIA BKG SYS INC COM 197236102 8,997 248,666 SH   SOLE   162,615 0 86,051
COLUMBUS MCKINNON CORP N Y COM 199333105 30,314 722,288 SH   SOLE   472,255 0 250,033
COMMERCIAL VEH GROUP INC COM 202608105 12,120 1,511,277 SH   SOLE   987,878 0 523,399
COMMUNITY HEALTHCARE TR INC COM 20369C106 24,205 614,178 SH   SOLE   397,361 0 216,817
CROSS CTRY HEALTHCARE INC COM 227483104 21,725 2,316,069 SH   SOLE   1,580,547 0 735,522
CUSTOMERS BANCORP INC COM 23204G100 18,694 890,195 SH   SOLE   573,814 0 316,381
DESIGNER BRANDS INC CL A 250565108 26,436 1,379,029 SH   SOLE   946,955 0 432,074
DIAMOND S SHIPPING INC COM Y20676105 3,135 245,499 SH   SOLE   162,624 0 82,875
DYCOM INDS INC COM 267475101 38,254 649,801 SH   SOLE   450,451 0 199,350
ELECTRONICS FOR IMAGING INC COM 286082102 57,070 1,546,197 SH   SOLE   1,073,377 0 472,820
EQUINIX INC COM 29444U700 7,428 14,730 SH   SOLE   11,312 0 3,418
EURONET WORLDWIDE INC COM 298736109 60,695 360,763 SH   SOLE   250,532 0 110,231
FIRST FINL BANCORP OH COM 320209109 30,479 1,258,416 SH   SOLE   880,212 0 378,204
FLIR SYS INC COM 302445101 27,273 504,118 SH   SOLE   376,467 0 127,651
FLOWSERVE CORP COM 34354P105 14,328 271,922 SH   SOLE   203,862 0 68,060
FLWS/1-800 FLOWERS CL A 68243Q106 45,394 2,404,364 SH   SOLE   1,613,128 0 791,236
FTI CONSULTING INC COM 302941109 21,235 253,276 SH   SOLE   189,707 0 63,569
FULTON FINL CORP PA COM 360271100 9,859 602,241 SH   SOLE   451,486 0 150,755
GARTNER INC COM 366651107 20,205 125,543 SH   SOLE   88,430 0 37,113
GENESEE & WYO INC CL A 371559105 57,930 579,304 SH   SOLE   401,030 0 178,274
HANNON ARMSTRONG SUST INFR C COM 41068X100 16,457 583,998 SH   SOLE   377,867 0 206,131
HARSCO CORP COM 415864107 23,316 849,694 SH   SOLE   637,214 0 212,480
HEICO CORP NEW CL A 422806208 34,158 330,443 SH   SOLE   247,383 0 83,060
HERBALIFE NUTRITION LTD COM SHS G4412G101 34,124 798,029 SH   SOLE   554,641 0 243,388
HMS HLDGS CORP COM 40425J101 57,329 1,769,965 SH   SOLE   1,225,457 0 544,508
HURON CONSULTING GROUP INC COM 447462102 8,506 168,842 SH   SOLE   110,236 0 58,606
IDEX CORP COM 45167R104 20,476 118,949 SH   SOLE   89,194 0 29,755
INFINERA CORPORATION COM 45667G103 3,752 1,289,251 SH   SOLE   892,250 0 397,001
INNERWORKINGS INC COM 45773Y105 11,326 2,964,970 SH   SOLE   1,935,043 0 1,029,927
INSIGHT ENTERPRISES INC COM 45765U103 13,128 225,562 SH   SOLE   147,494 0 78,068
IPG PHOTONICS CORP COM 44980X109 7,134 46,248 SH   SOLE   34,709 0 11,539
ISHARES TR RUS MID CAP ETF 464287499 15,828 283,298 SH   SOLE   223,576 0 59,722
ISHARES TR RUS 2000 VAL ETF 464287630 16,619 137,921 SH   SOLE   106,144 0 31,777
ISHARES TR RUSSELL 2000 ETF 464287655 31,811 204,573 SH   SOLE   158,894 0 45,679
ISHARES TR CORE S&P SCP ETF 464287804 107 1,363 SH   SOLE   1,363 0 0
ITRON INC COM 465741106 52,408 837,594 SH   SOLE   579,872 0 257,722
JBG SMITH PPTYS COM 46590V100 16,571 421,213 SH   SOLE   315,888 0 105,325
KEANE GROUP INC COM 48669A108 17,129 2,548,978 SH   SOLE   1,765,891 0 783,087
KNOWLES CORP COM 49926D109 36,292 1,982,110 SH   SOLE   1,366,879 0 615,231
KRATON CORPORATION COM 50077C106 34,837 1,121,241 SH   SOLE   784,966 0 336,275
LIQUIDITY SERVICES INC COM 53635B107 5,056 830,138 SH   SOLE   580,724 0 249,414
MACOM TECH SOLUTIONS HLDGS I COM 55405Y100 14,652 968,425 SH   SOLE   674,944 0 293,481
MATTHEWS INTL CORP CL A 577128101 28,278 811,428 SH   SOLE   563,906 0 247,522
MEDNAX INC COM 58502B106 22,738 901,242 SH   SOLE   618,950 0 282,292
MERCURY SYS INC COM 589378108 31,092 441,960 SH   SOLE   292,945 0 149,015
MERIT MED SYS INC COM 589889104 58,831 987,763 SH   SOLE   683,629 0 304,134
MONRO INC COM 610236101 59,581 698,489 SH   SOLE   485,154 0 213,335
MTS SYS CORP COM 553777103 14,656 250,410 SH   SOLE   163,535 0 86,875
NASDAQ INC COM 631103108 30,574 317,919 SH   SOLE   237,800 0 80,119
NATIONAL BK HLDGS CORP CL A 633707104 60,497 1,666,592 SH   SOLE   1,148,507 0 518,085
NCR CORP NEW COM 62886E108 14,200 456,605 SH   SOLE   342,423 0 114,182
NEWELL BRANDS INC COM 651229106 8,247 534,839 SH   SOLE   399,800 0 135,039
NOBLE ENERGY INC COM 655044105 9,332 416,616 SH   SOLE   312,689 0 103,927
NOVANTA INC COM 67000B104 33,055 350,535 SH   SOLE   228,426 0 122,109
NU SKIN ENTERPRISES INC CL A 67018T105 24,785 502,526 SH   SOLE   346,004 0 156,522
OCEANEERING INTL INC COM 675232102 16,064 787,818 SH   SOLE   553,181 0 234,637
OMEGA HEALTHCARE INVS INC COM 681936100 16,825 457,826 SH   SOLE   295,826 0 162,000
OPUS BK IRVINE CALIF COM 684000102 32,236 1,527,050 SH   SOLE   1,050,781 0 476,269
PACWEST BANCORP DEL COM 695263103 30,873 795,082 SH   SOLE   552,630 0 242,452
PRESTIGE CONSMR HEALTHCARE I COM 74112D101 31,101 981,730 SH   SOLE   677,785 0 303,945
PROVIDENCE SVC CORP COM 743815102 19,768 344,754 SH   SOLE   227,609 0 117,145
QEP RES INC COM 74733V100 8,904 1,231,554 SH   SOLE   921,294 0 310,260
QTS RLTY TR INC COM CL A 74736A103 68,555 1,484,511 SH   SOLE   1,022,266 0 462,245
QUIDEL CORP COM 74838J101 21,061 355,045 SH   SOLE   232,245 0 122,800
RANGE RES CORP COM 75281A109 5,241 750,862 SH   SOLE   561,567 0 189,295
RING ENERGY INC COM 76680V108 7,976 2,454,243 SH   SOLE   1,622,992 0 831,251
ROGERS CORP COM 775133101 45,026 260,898 SH   SOLE   182,012 0 78,886
RPC INC COM 749660106 14,796 2,052,206 SH   SOLE   1,430,915 0 621,291
SIGNATURE BK NEW YORK N Y COM 82669G104 8,354 69,134 SH   SOLE   51,878 0 17,256
SILGAN HOLDINGS INC COM 827048109 29,265 956,365 SH   SOLE   655,970 0 300,395
SOLAR CAP LTD COM 83413U100 33,684 1,640,712 SH   SOLE   1,135,674 0 505,038
SONOS INC COM 83570H108 6,810 600,506 SH   SOLE   391,508 0 208,998
SP PLUS CORP COM 78469C103 26,657 834,852 SH   SOLE   545,904 0 288,948
STAG INDL INC COM 85254J102 23,445 775,312 SH   SOLE   501,655 0 273,657
SUPERNUS PHARMACEUTICALS INC COM 868459108 3,442 104,031 SH   SOLE   71,267 0 32,764
TEAM INC COM 878155100 30,534 1,993,055 SH   SOLE   1,382,432 0 610,623
TEXAS CAPITAL BANCSHARES INC COM 88224Q107 24,090 392,540 SH   SOLE   271,240 0 121,300
TITAN MACHY INC COM 88830R101 11,283 548,271 SH   SOLE   358,228 0 190,043
TIVO CORP COM 88870P106 8,911 1,209,133 SH   SOLE   848,121 0 361,012
TRONOX HOLDINGS PLC SHS G9087Q102 6,633 519,045 SH   SOLE   389,013 0 130,032
UMPQUA HLDGS CORP COM 904214103 25,936 1,563,379 SH   SOLE   1,087,882 0 475,497
UNITIL CORP COM 913259107 27,175 453,746 SH   SOLE   296,701 0 157,045
US XPRESS ENTERPRISES INC COM CL A 90338N202 9,213 1,792,391 SH   SOLE   1,172,249 0 620,142
VERITEX HLDGS INC COM 923451108 18,691 720,274 SH   SOLE   470,973 0 249,301
WABASH NATL CORP COM 929566107 14,995 921,608 SH   SOLE   602,625 0 318,983
WABTEC CORP COM 929740108 17,387 242,297 SH   SOLE   158,437 0 83,860
WILEY JOHN & SONS INC CL A 968223206 12,034 262,413 SH   SOLE   182,571 0 79,842
WOLVERINE WORLD WIDE INC COM 978097103 16,797 609,910 SH   SOLE   457,142 0 152,768
WORLD WRESTLING ENTMT INC CL A 98156Q108 31,784 440,163 SH   SOLE   305,061 0 135,102
WSFS FINL CORP COM 929328102 8,297 200,895 SH   SOLE   150,778 0 50,117