Portolan Capital Management, LLC Quant / Systematic

Location: Boston, MA

CIK: 0001350290 · Show all filings

Period: Q1 2017 (← Previous) (Next →)

Filing Date: May 15, 2017

Total Value: $770M (100.0% shares, 0.0% debt)

Holdings (120)

CWST CASELLA WASTE SYSTEMS, INC. 5.0%
Value $38.64M Shares 2,738,686 Est. Cost $4.96 Unrealized +150.2%
CALLIDUS SOFTWARE, INC. 2.8%
Value $21.46M Shares 1,005,230 Est. Cost $15.09 Unrealized
STAMPS.COM, INC. 2.7%
Value $20.41M Shares 172,448 Est. Cost $83.64 Unrealized
GOOG ALPHABET, INC. 2.6%
Value $19.83M Shares 23,899 Est. Cost $35.59 Unrealized +14.4%
EEFT EURONET WORLDWIDE, INC. 2.4%
Value $18.11M Shares 211,810 Est. Cost $66.98 Unrealized +17.4%
CARE.COM, INC. 2.2%
Value $16.8M Shares 1,342,757 Est. Cost $7.40 Unrealized
SLM SLM CORPORATION 2.1%
Value $16.15M Shares 1,334,511 Est. Cost $8.61 Unrealized +37.5%
BIO BIO-RAD LABORATORIES, INC. 2.1%
Value $15.8M Shares 79,246 Est. Cost $138.03 Unrealized +39.5%
NXSTAGE MEDICAL, INC. 1.9%
Value $14.62M Shares 545,032 Est. Cost $23.84 Unrealized
KAPSTONE PAPER AND PACKAGING CORPORATION 1.8%
Value $13.74M Shares 594,877 Est. Cost $22.61 Unrealized
RNG RINGCENTRAL, INC. 1.7%
Value $12.8M Shares 452,481 Est. Cost $20.18 Unrealized +22.5%
RESOLUTE ENERGY CORPORATION 1.5%
Value $11.62M Shares 287,670 Est. Cost $32.21 Unrealized
EXTRACTION OIL & GAS, INC. 1.5%
Value $11.4M Shares 614,645 Est. Cost $18.55 Unrealized
SCORPIO TANKERS, INC. 1.5%
Value $11.34M Shares 2,553,196 Est. Cost $4.49 Unrealized
CARBONITE, INC. 1.5%
Value $11.29M Shares 556,028 Est. Cost $16.82 Unrealized
HORTONWORKS, INC. 1.4%
Value $10.52M Shares 1,072,860 Est. Cost $8.33 Unrealized
GDDY GODADDY, INC. 1.4%
Value $10.41M Shares 274,797 Est. Cost $31.31 Unrealized +15.7%
ADBE ADOBE SYSTEMS, INC. 1.3%
Value $10.37M Shares 79,666 Est. Cost $101.53 Unrealized +15.6%
ABIOMED, INC. 1.3%
Value $10.3M Shares 82,298 Est. Cost $86.78 Unrealized
CONSTELLIUM HOLDCO B V 1.3%
Value $10.12M Shares 1,556,444 Est. Cost $6.50 Unrealized
INSTRUCTURE, INC. 1.3%
Value $9.901M Shares 423,100 Est. Cost $19.53 Unrealized
TREE LENDINGTREE, INC. 1.3%
Value $9.851M Shares 78,589 Est. Cost $125.35 Unrealized
NUANCE COMMUNICATIONS, INC. 1.3%
Value $9.781M Shares 565,034 Est. Cost $15.99 Unrealized
ALTISOURCE RESIDENTIAL CORPORATION 1.2%
Value $9.411M Shares 617,092 Est. Cost $10.94 Unrealized
PYPL PAYPAL HOLDINGS, INC. 1.2%
Value $9.151M Shares 212,708 Est. Cost $40.24 Unrealized +3.7%
WIX WIX .COM LTD. 1.2%
Value $9.04M Shares 133,134 Est. Cost $29.30 Unrealized +100.6%
ELLIE MAE, INC. 1.2%
Value $9M Shares 89,756 Est. Cost $90.00 Unrealized
RYZ RYERSON HOLDING CORPORATION 1.2%
Value $8.939M Shares 709,517 Est. Cost $11.37 Unrealized 0.0%
MATCH GROUP, INC. 1.2%
Value $8.907M Shares 545,449 Est. Cost $14.07 Unrealized
RH RH 1.2%
Value $8.856M Shares 191,436 Est. Cost $30.92 Unrealized 0.0%
OEC ORION ENGINEERED CARBONS S.A. 1.1%
Value $8.618M Shares 420,360 Est. Cost $17.94 Unrealized +14.6%
FIESTA RESTAURANT GROUP, INC. 1.1%
Value $8.376M Shares 346,105 Est. Cost $33.66 Unrealized
GSM FERROGLOBE, PLC. 1.1%
Value $8.101M Shares 784,264 Est. Cost $8.87 Unrealized +14.2%
FN FABRINET 1.0%
Value $7.927M Shares 188,609 Est. Cost $41.61 Unrealized -0.2%
BOX BOX, INC. 1.0%
Value $7.707M Shares 472,516 Est. Cost $13.71 Unrealized +23.3%
COTT CORP. 1.0%
Value $7.36M Shares 595,481 Est. Cost $12.36 Unrealized
SVB FINANCIAL GROUP 0.9%
Value $7.298M Shares 39,220 Est. Cost $172.51 Unrealized
META FACEBOOK, INC. 0.9%
Value $7.281M Shares 51,254 Est. Cost $91.59 Unrealized +44.9%
ASC ARDMORE SHIPPING CORPORATION 0.9%
Value $7.102M Shares 882,244 Est. Cost $5.86 Unrealized +5.9%
XYZ SQUARE, INC. 0.9%
Value $7.087M Shares 410,135 Est. Cost $11.77 Unrealized +32.9%
OCLARO, INC. 0.9%
Value $6.946M Shares 707,376 Est. Cost $9.01 Unrealized
HUBS HUBSPOT, INC. 0.9%
Value $6.827M Shares 112,760 Est. Cost $47.24 Unrealized +19.9%
UIS UNISYS CORPORATION 0.9%
Value $6.73M Shares 482,480 Est. Cost $12.71 Unrealized +9.0%
VOYA VOYA FINANCIAL INC CMN 0.9%
Value $6.676M Shares 175,855 Est. Cost $32.86 Unrealized +10.0%
VONAGE HOLDINGS CORP. CMN 0.9%
Value $6.671M Shares 1,055,595 Est. Cost $5.84 Unrealized
TECK TECK RESOURCES LIMITED 0.9%
Value $6.669M Shares 304,526 Est. Cost $22.35 Unrealized 0.0%
TASER INTERNATIONAL, INC. 0.9%
Value $6.57M Shares 288,296 Est. Cost $22.79 Unrealized
QAD, INC. 0.8%
Value $6.415M Shares 230,321 Est. Cost $25.23 Unrealized
SKECHERS USA, INC. 0.8%
Value $6.189M Shares 225,454 Est. Cost $26.06 Unrealized
CBT CABOT CORP. 0.8%
Value $6.008M Shares 100,299 Est. Cost $45.76 Unrealized 0.0%
INPHI CORPORATION 0.8%
Value $5.932M Shares 121,509 Est. Cost $31.90 Unrealized
FIVN FIVE9, INC. 0.7%
Value $5.746M Shares 349,089 Est. Cost $4.91 Unrealized +234.6%
CARROLS RESTAURANT GROUP, INC. 0.7%
Value $5.546M Shares 391,909 Est. Cost $12.49 Unrealized
MTSI MACOM TECHNOLOGY SOLUTIONS 0.7%
Value $5.456M Shares 112,950 Est. Cost $45.36 Unrealized +3.1%
PACWEST BANCORP 0.7%
Value $5.4M Shares 101,402 Est. Cost $54.09 Unrealized
MERC MERCER INTERNATIONAL, INC. 0.7%
Value $5.337M Shares 456,129 Est. Cost $7.52 Unrealized +14.7%
EWBC EAST WEST BANCORP, INC. 0.7%
Value $5.322M Shares 103,113 Est. Cost $35.99 Unrealized +18.5%
EMCORE CORPORATION 0.7%
Value $5.292M Shares 587,993 Est. Cost $9.00 Unrealized
WTFC WINTRUST FINANCIAL CORP. 0.7%
Value $5.251M Shares 75,967 Est. Cost $62.10 Unrealized +15.7%
NOMD NOMAD FOODS LTD. 0.7%
Value $5.232M Shares 456,979 Est. Cost $9.49 Unrealized +12.3%
TRONOX LIMITED 0.7%
Value $5.167M Shares 280,047 Est. Cost $10.31 Unrealized
XO GROUP, INC. 0.7%
Value $5.087M Shares 295,595 Est. Cost $16.52 Unrealized
GULFPORT ENERGY CORPORATION 0.6%
Value $4.884M Shares 284,102 Est. Cost $24.05 Unrealized
LITE LUMENTUM HOLDINGS, INC. 0.6%
Value $4.671M Shares 87,553 Est. Cost $30.99 Unrealized +42.4%
PKG PACKAGING CORP OF AMERICA COMMON STOCK 0.6%
Value $4.658M Shares 50,843 Est. Cost $70.61 Unrealized 0.0%
UTHR UNITED THERAPEUTICS CORPORATION 0.6%
Value $4.531M Shares 33,469 Est. Cost $128.83 Unrealized +17.6%
ALRM ALARM.COM HOLDINGS, INC. 0.6%
Value $4.422M Shares 143,860 Est. Cost $29.03 Unrealized +0.1%
REALPAGE, INC. 0.6%
Value $4.418M Shares 126,610 Est. Cost $34.89 Unrealized
CF CF INDUSTRIES HOLDINGS, INC. 0.6%
Value $4.302M Shares 146,565 Est. Cost $18.89 Unrealized +36.6%
PRIMO WATER CORPORATION 0.6%
Value $4.295M Shares 316,310 Est. Cost $13.58 Unrealized
QLYS QUALYS, INC. 0.5%
Value $3.938M Shares 103,886 Est. Cost $34.73 Unrealized +1.1%
THE HOWARD HUGHES CORPORATION 0.5%
Value $3.908M Shares 33,335 Est. Cost $117.23 Unrealized
AUTOBYTEL, INC. 0.5%
Value $3.883M Shares 309,846 Est. Cost $14.86 Unrealized
BKD BROOKDALE SENIOR LIVING, INC. 0.5%
Value $3.858M Shares 287,256 Est. Cost $17.40 Unrealized -18.9%
EMN EASTMAN CHEMICAL COMPANY 0.5%
Value $3.856M Shares 47,726 Est. Cost $58.49 Unrealized 0.0%
HUN HUNTSMAN CORPORATION 0.5%
Value $3.793M Shares 154,533 Est. Cost $21.51 Unrealized 0.0%
ZD J2 GLOBAL, INC. 0.5%
Value $3.776M Shares 44,991 Est. Cost $57.53 Unrealized +27.1%
CENX CENTURY ALUMINUM COMPANY 0.5%
Value $3.741M Shares 294,771 Est. Cost $13.28 Unrealized 0.0%
KRATON CORPORATION 0.5%
Value $3.719M Shares 120,289 Est. Cost $28.73 Unrealized
ZENDESK, INC. 0.5%
Value $3.652M Shares 130,258 Est. Cost $20.99 Unrealized
COOPER TIRE & RUBBER COMPANY 0.5%
Value $3.524M Shares 79,470 Est. Cost $38.85 Unrealized
NEW RELIC, INC. 0.5%
Value $3.493M Shares 94,208 Est. Cost $37.08 Unrealized
CMRE COSTAMARE, INC. 0.4%
Value $3.451M Shares 518,133 Est. Cost $4.27 Unrealized 0.0%
BOINGO WIRELESS, INC. 0.4%
Value $3.394M Shares 261,225 Est. Cost $12.99 Unrealized
AAOI APPLIED OPTOELECTRONICS, INC. 0.4%
Value $3.347M Shares 59,609 Est. Cost $18.12 Unrealized +117.8%
UBS UBS GROUP AG 0.4%
Value $3.31M Shares 207,522 Est. Cost $15.06 Unrealized +6.9%
AA ALCOA CORPORATION 0.4%
Value $3.213M Shares 93,399 Est. Cost $33.43 Unrealized 0.0%
CMA COMERICA INCORPORATED 0.4%
Value $3.017M Shares 43,995 Est. Cost $48.24 Unrealized 0.0%
AORT CRYOLIFE, INC. 0.4%
Value $3.003M Shares 180,337 Est. Cost $17.66 Unrealized 0.0%
APPTIO, INC. 0.4%
Value $2.987M Shares 254,659 Est. Cost $11.73 Unrealized
TELENAV, INC. 0.4%
Value $2.871M Shares 331,853 Est. Cost $8.65 Unrealized
EBIX, INC. 0.4%
Value $2.847M Shares 46,483 Est. Cost $56.89 Unrealized
CPI CARD GROUP, INC. 0.4%
Value $2.828M Shares 673,337 Est. Cost $4.78 Unrealized
EA ELECTRONIC ARTS 0.4%
Value $2.815M Shares 31,447 Est. Cost $45.19 Unrealized +83.2%
FITB FIFTH THIRD BANCORP 0.4%
Value $2.732M Shares 107,573 Est. Cost $17.29 Unrealized +11.7%
HOSTESS BRANDS, INC. 0.4%
Value $2.721M Shares 171,477 Est. Cost $15.87 Unrealized
51JOB, INC. 0.3%
Value $2.569M Shares 70,078 Est. Cost $36.66 Unrealized
URI UNITED RENTALS, INC. 0.3%
Value $2.536M Shares 20,286 Est. Cost $88.13 Unrealized +33.7%
VIRTUSA CORPORATION 0.3%
Value $2.529M Shares 83,675 Est. Cost $37.59 Unrealized
GASTAR EXPLORATION, INC. 0.3%
Value $2.244M Shares 1,457,537 Est. Cost $1.55 Unrealized
NTB BANK OF N.T. BUTTERFIELD & SON LIMITED 0.3%
Value $2.231M Shares 69,914 Est. Cost $21.61 Unrealized 0.0%
INTERNAP CORPORATION 0.3%
Value $2.105M Shares 565,889 Est. Cost $1.54 Unrealized
TWLO TWILIO, INC. 0.3%
Value $2.096M Shares 72,622 Est. Cost $30.23 Unrealized 0.0%
FIVE STAR SENIOR LIVING, INC. 0.3%
Value $2.091M Shares 972,855 Est. Cost $3.52 Unrealized
CFG CITIZENS FINANCIAL GROUP, INC. 0.3%
Value $2.072M Shares 59,969 Est. Cost $21.33 Unrealized +20.9%
UNITED STATES STEEL CORPORATION 0.3%
Value $2.054M Shares 60,759 Est. Cost $33.81 Unrealized
RED LION HOTELS CORPORATION 0.3%
Value $2.005M Shares 284,443 Est. Cost $7.05 Unrealized
EGHT 8X8, INC. 0.2%
Value $1.84M Shares 120,615 Est. Cost $8.70 Unrealized +74.2%
USA TRUCK, INC. 0.2%
Value $1.839M Shares 250,226 Est. Cost $7.35 Unrealized
AVADEL PHARMACEUTICALS PLC 0.2%
Value $1.78M Shares 183,866 Est. Cost $9.68 Unrealized
DB DEUTSCHE BANK AG 0.2%
Value $1.717M Shares 100,061 Est. Cost $12.15 Unrealized +22.9%
ABRAXAS PETROLEUM CORPORATION 0.2%
Value $1.449M Shares 717,408 Est. Cost $1.36 Unrealized
MIMECAST LTD. 0.2%
Value $1.286M Shares 57,420 Est. Cost $14.71 Unrealized
DXLG DESTINATION XL GROUP, INC. 0.1%
Value $1.039M Shares 364,746 Est. Cost $5.10 Unrealized -39.5%
ITERIS, INC. 0.1%
Value $957K Shares 175,942 Est. Cost $5.44 Unrealized
AGO ASSURED GUARANTY LTD. 0.1%
Value $900K Shares 24,243 Est. Cost $21.86 Unrealized +55.9%
JAKKS PACIFIC, INC. 0.1%
Value $843K Shares 153,270 Est. Cost $5.15 Unrealized
INTREPID POTASH, INC. 0.1%
Value $830K Shares 482,348 Est. Cost $2.08 Unrealized
ANIK ANIKA THERAPEUTICS, INC. 0.1%
Value $643K Shares 14,807 Est. Cost $36.73 Unrealized +30.0%
RTS/DEUTSCHE BANK AKTIENGESELLSCHAFT EXP04/06/2017 0.0%
Value $260K Shares 110,364 Est. Cost $2.36 Unrealized