Emerald Advisers

Emerald Advisers as of Dec. 31, 2013

Portfolio Holdings for Emerald Advisers

Emerald Advisers holds 349 positions in its portfolio as reported in the December 2013 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
MWI Veterinary Supply 2.6 $48M 280k 169.96
Trex Company (TREX) 1.9 $35M 437k 79.53
Epam Systems (EPAM) 1.9 $35M 987k 34.94
Spirit Airlines (SAVE) 1.8 $34M 738k 45.41
Acadia Healthcare (ACHC) 1.5 $27M 579k 47.33
WESCO International (WCC) 1.4 $26M 281k 91.07
Magnum Hunter Resources Corporation 1.3 $24M 3.3M 7.31
Rex Energy Corporation 1.2 $23M 1.2M 19.71
Proofpoint 1.2 $23M 687k 33.17
Bank of the Ozarks 1.2 $23M 398k 56.59
Middleby Corporation (MIDD) 1.2 $22M 93k 239.72
Homeaway 1.2 $22M 535k 40.88
Akorn 1.2 $22M 880k 24.62
Wabtec Corporation (WAB) 1.1 $21M 284k 74.27
NPS Pharmaceuticals 1.1 $21M 692k 30.36
Qlik Technologies 1.1 $21M 776k 26.63
Infoblox 1.1 $20M 617k 33.02
Alnylam Pharmaceuticals (ALNY) 1.1 $20M 312k 64.30
SVB Financial (SIVBQ) 1.1 $20M 189k 104.86
Gulfport Energy Corporation 1.1 $20M 311k 63.13
Multimedia Games 1.1 $19M 618k 31.36
Fifth & Pac Cos 1.0 $19M 583k 32.07
Roadrunner Transportation Services Hold. 1.0 $18M 670k 26.95
Ultimate Software 0.9 $18M 114k 153.22
IPG Photonics Corporation (IPGP) 0.9 $17M 223k 77.61
Cepheid 0.9 $16M 352k 46.67
Imperva 0.9 $16M 339k 48.13
Cambrex Corporation 0.9 $16M 896k 17.83
CalAmp 0.8 $16M 555k 27.97
Ansys (ANSS) 0.8 $15M 176k 87.20
Customers Ban (CUBI) 0.8 $15M 739k 20.46
Tile Shop Hldgs (TTSH) 0.8 $15M 833k 18.07
Penske Automotive (PAG) 0.8 $15M 310k 47.16
Wesco Aircraft Holdings 0.8 $14M 642k 21.92
Acuity Brands (AYI) 0.7 $13M 123k 109.32
8x8 (EGHT) 0.7 $13M 1.3M 10.15
Cornerstone Ondemand 0.7 $13M 250k 53.31
Five Below (FIVE) 0.7 $13M 305k 43.20
Channeladvisor 0.7 $13M 316k 41.71
First Nbc Bank Holding 0.7 $13M 407k 32.30
Red Robin Gourmet Burgers (RRGB) 0.7 $13M 175k 73.54
ISIS Pharmaceuticals 0.7 $13M 322k 39.84
Gnc Holdings Inc Cl A 0.7 $13M 220k 58.45
PolyOne Corporation 0.7 $13M 360k 35.35
Evercore Partners (EVR) 0.7 $13M 211k 59.78
Ametek (AME) 0.7 $12M 233k 52.67
USG Corporation 0.7 $12M 420k 28.38
H&E Equipment Services (HEES) 0.6 $12M 390k 29.63
Jack in the Box (JACK) 0.6 $12M 229k 50.02
Dick's Sporting Goods (DKS) 0.6 $11M 195k 58.10
Rally Software Development 0.6 $11M 576k 19.45
Cavium 0.6 $11M 323k 34.51
Lumber Liquidators Holdings (LLFLQ) 0.6 $11M 107k 102.89
AmerisourceBergen (COR) 0.6 $11M 154k 70.31
Amtrust Financial Services 0.6 $11M 326k 32.69
Armstrong World Industries (AWI) 0.6 $10M 181k 57.61
Brightcove (BCOV) 0.6 $11M 751k 14.14
Cubesmart (CUBE) 0.6 $10M 643k 15.94
Gigamon 0.6 $10M 365k 28.08
Intercept Pharmaceuticals In 0.5 $10M 146k 68.28
Kennametal (KMT) 0.5 $9.8M 188k 52.07
Mylan 0.5 $9.7M 223k 43.40
FARO Technologies (FARO) 0.5 $9.6M 164k 58.30
Saba Software 0.5 $9.5M 774k 12.25
Safeguard Scientifics 0.5 $9.4M 467k 20.09
Us Silica Hldgs (SLCA) 0.5 $9.4M 275k 34.11
Ixia 0.5 $9.3M 699k 13.31
CoBiz Financial 0.5 $9.1M 764k 11.96
Sarepta Therapeutics (SRPT) 0.5 $9.1M 449k 20.37
Susquehanna Bancshares 0.5 $9.1M 712k 12.84
Omnicell (OMCL) 0.5 $8.8M 347k 25.53
Meritage Homes Corporation (MTH) 0.5 $8.4M 175k 47.99
Liberty Property Trust 0.5 $8.6M 253k 33.87
Diamondback Energy (FANG) 0.5 $8.4M 159k 52.88
Gray Television (GTN) 0.5 $8.4M 561k 14.88
Toll Brothers (TOL) 0.4 $8.1M 219k 37.00
Gsv Cap Corp 0.4 $8.1M 673k 12.09
Intrexon 0.4 $8.1M 341k 23.80
Nexstar Broadcasting (NXST) 0.4 $7.6M 137k 55.73
Quaker Chemical Corporation (KWR) 0.4 $7.7M 99k 77.07
Chuys Hldgs (CHUY) 0.4 $7.6M 212k 36.02
Gaming & Leisure Pptys (GLPI) 0.4 $7.5M 149k 50.81
Lithia Motors (LAD) 0.4 $7.4M 106k 69.42
Aruba Networks 0.4 $7.3M 409k 17.90
Cynosure 0.4 $7.4M 278k 26.64
Black Diamond 0.4 $7.5M 561k 13.33
Icg Group 0.4 $7.3M 393k 18.63
West Pharmaceutical Services (WST) 0.4 $7.3M 148k 49.06
Verastem 0.4 $7.2M 631k 11.40
Taylor Morrison Hom (TMHC) 0.4 $7.1M 317k 22.45
PDF Solutions (PDFS) 0.4 $6.9M 271k 25.62
Bryn Mawr Bank 0.4 $7.1M 235k 30.18
Guidewire Software (GWRE) 0.4 $6.9M 140k 49.07
Christopher & Banks Corporation (CBKCQ) 0.4 $6.7M 786k 8.54
Entercom Communications 0.4 $6.6M 631k 10.51
Portola Pharmaceuticals 0.4 $6.7M 260k 25.75
Apogee Enterprises (APOG) 0.3 $6.5M 182k 35.91
Methode Electronics (MEI) 0.3 $6.5M 190k 34.19
Dorman Products (DORM) 0.3 $6.5M 117k 56.04
Aqua America 0.3 $6.5M 275k 23.59
Pacific Premier Ban (PPBI) 0.3 $6.4M 405k 15.74
Carmike Cinemas 0.3 $6.3M 228k 27.84
Nanostring Technologies (NSTGQ) 0.3 $6.2M 362k 17.24
Bind Therapeutics 0.3 $6.3M 420k 15.09
Microsemi Corporation 0.3 $6.1M 245k 24.95
CNB Financial Corporation (CCNE) 0.3 $6.1M 319k 19.00
American Eagle Outfitters (AEO) 0.3 $6.0M 417k 14.40
Select Medical Holdings Corporation (SEM) 0.3 $5.9M 505k 11.61
Inphi Corporation 0.3 $6.0M 463k 12.90
Crown Holdings (CCK) 0.3 $5.7M 128k 44.57
Thoratec Corporation 0.3 $5.8M 157k 36.60
Pennsylvania R.E.I.T. 0.3 $5.8M 306k 18.98
National Penn Bancshares 0.3 $5.6M 499k 11.33
Chegg (CHGG) 0.3 $5.7M 671k 8.51
Macrogenics (MGNX) 0.3 $5.7M 209k 27.43
Matthews International Corporation (MATW) 0.3 $5.6M 131k 42.61
Urban Outfitters (URBN) 0.3 $5.5M 149k 37.10
Surgical Care Affiliates 0.3 $5.6M 159k 34.84
EQT Corporation (EQT) 0.3 $5.2M 58k 89.79
Aegerion Pharmaceuticals 0.3 $5.2M 73k 70.96
Financial Engines 0.3 $5.1M 74k 69.47
Synageva Biopharma 0.3 $5.1M 79k 64.71
Hersha Hospitality Trust 0.3 $4.9M 882k 5.57
Universal Health Services (UHS) 0.3 $4.7M 58k 81.27
Penn Virginia Corporation 0.3 $4.8M 512k 9.43
Ciena Corporation (CIEN) 0.3 $4.7M 198k 23.93
Blackhawk Network Hldgs Inc cl a 0.3 $4.8M 191k 25.26
Insys Therapeutics 0.2 $4.6M 118k 38.71
Vishay Intertechnology (VSH) 0.2 $4.5M 339k 13.26
Pep Boys - Manny, Moe & Jack 0.2 $4.4M 362k 12.14
Teleflex Incorporated (TFX) 0.2 $4.4M 47k 93.85
Chart Industries (GTLS) 0.2 $4.5M 47k 95.64
Applied Optoelectronics (AAOI) 0.2 $4.5M 297k 15.01
Sinclair Broadcast 0.2 $4.3M 120k 35.73
Koppers Holdings (KOP) 0.2 $4.2M 93k 45.75
Orrstown Financial Services (ORRF) 0.2 $4.3M 261k 16.35
Neonode 0.2 $4.2M 667k 6.32
Proto Labs (PRLB) 0.2 $4.3M 60k 71.17
Onconova Therapeutics 0.2 $4.2M 367k 11.48
Select Comfort 0.2 $4.0M 190k 21.09
Ulta Salon, Cosmetics & Fragrance (ULTA) 0.2 $4.0M 41k 96.51
Astronics Corporation (ATRO) 0.2 $4.0M 79k 51.00
Biotelemetry 0.2 $4.2M 523k 7.94
Exxon Mobil Corporation (XOM) 0.2 $3.9M 39k 101.20
Global Eagle Acquisition Cor 0.2 $3.9M 260k 14.87
Tristate Capital Hldgs 0.2 $3.9M 330k 11.86
Affiliated Managers (AMG) 0.2 $3.7M 17k 216.91
DENTSPLY International 0.2 $3.7M 76k 48.49
Apple (AAPL) 0.2 $3.6M 6.5k 560.99
Eagle Materials (EXP) 0.2 $3.7M 48k 77.43
Chicago Bridge & Iron Company 0.2 $3.7M 45k 83.14
S&T Ban (STBA) 0.2 $3.7M 145k 25.31
Fox Chase Ban 0.2 $3.8M 219k 17.27
L.B. Foster Company (FSTR) 0.2 $3.6M 75k 47.29
EnerSys (ENS) 0.2 $3.4M 48k 70.10
Jarden Corporation 0.2 $3.3M 55k 61.34
Primoris Services (PRIM) 0.2 $3.3M 107k 31.13
Atlas Financial Holdings 0.2 $3.3M 223k 14.72
BE Aerospace 0.2 $3.1M 35k 87.02
Ii-vi 0.2 $3.2M 180k 17.58
Brunswick Corporation (BC) 0.2 $3.1M 67k 46.06
Finisar Corporation 0.2 $3.2M 135k 23.92
Northwest Bancshares (NWBI) 0.2 $3.2M 216k 14.78
F.N.B. Corporation (FNB) 0.2 $3.1M 244k 12.62
Healthcare Services (HCSG) 0.2 $3.1M 109k 28.37
Tillys (TLYS) 0.2 $3.1M 271k 11.45
Restoration Hardware Hldgs I 0.2 $3.2M 48k 67.30
Airgas 0.2 $2.9M 26k 111.84
United Rentals (URI) 0.2 $3.0M 39k 77.94
Valero Energy Corporation (VLO) 0.1 $2.8M 56k 50.40
Informatica Corporation 0.1 $2.7M 65k 41.51
Ocwen Financial Corporation 0.1 $2.8M 51k 55.45
McGraw-Hill Companies 0.1 $2.5M 32k 78.20
Herbalife Ltd Com Stk (HLF) 0.1 $2.7M 34k 78.70
Erie Indemnity Company (ERIE) 0.1 $2.7M 37k 73.12
Sanchez Energy Corp C ommon stocks 0.1 $2.5M 103k 24.51
Chevron Corporation (CVX) 0.1 $2.4M 19k 124.92
Alliance Data Systems Corporation (BFH) 0.1 $2.4M 9.1k 262.93
Quanta Services (PWR) 0.1 $2.5M 79k 31.56
Donegal (DGICA) 0.1 $2.4M 151k 15.90
Palo Alto Networks (PANW) 0.1 $2.4M 42k 57.48
Exone 0.1 $2.4M 39k 60.46
Control4 0.1 $2.4M 134k 17.70
Genworth Financial (GNW) 0.1 $2.1M 138k 15.53
Ross Stores (ROST) 0.1 $2.1M 29k 74.93
Wynn Resorts (WYNN) 0.1 $2.3M 12k 194.22
Micron Technology (MU) 0.1 $2.3M 104k 21.75
Triumph (TGI) 0.1 $2.3M 30k 76.08
Citizens Financial Services (CZFS) 0.1 $2.1M 42k 51.49
First Internet Bancorp (INBK) 0.1 $2.3M 102k 22.50
Tribune Co New Cl A 0.1 $2.2M 29k 77.40
Wells Fargo & Company (WFC) 0.1 $1.9M 43k 45.41
Southwest Airlines (LUV) 0.1 $1.9M 103k 18.84
Citizens & Northern Corporation (CZNC) 0.1 $2.0M 99k 20.63
Jive Software 0.1 $2.0M 179k 11.25
Peabody Energy Corporation 0.1 $1.8M 91k 19.53
salesforce (CRM) 0.1 $1.8M 33k 55.20
Lions Gate Entertainment 0.1 $1.9M 59k 31.66
OraSure Technologies (OSUR) 0.1 $1.8M 285k 6.29
First Business Financial Services (FBIZ) 0.1 $1.9M 51k 37.63
Peoples Financial Services Corp (PFIS) 0.1 $1.8M 47k 38.00
Linkedin Corp 0.1 $1.8M 8.5k 216.80
Jazz Pharmaceuticals (JAZZ) 0.1 $1.9M 15k 126.53
Microsoft Corporation (MSFT) 0.1 $1.7M 44k 37.40
Berkshire Hathaway (BRK.B) 0.1 $1.7M 15k 118.59
Vertex Pharmaceuticals Incorporated (VRTX) 0.1 $1.7M 22k 74.31
Ryland 0.1 $1.7M 40k 43.41
Best Buy (BBY) 0.1 $1.7M 42k 39.88
Regions Financial Corporation (RF) 0.1 $1.7M 172k 9.89
Concho Resources 0.1 $1.7M 16k 108.00
Cheniere Energy (LNG) 0.1 $1.6M 37k 43.13
Medivation 0.1 $1.7M 27k 63.83
Ingredion Incorporated (INGR) 0.1 $1.7M 25k 68.46
Liposcience 0.1 $1.7M 398k 4.25
Diversified Restaurant Holdi 0.1 $1.7M 351k 4.77
Marcus & Millichap (MMI) 0.1 $1.6M 107k 14.90
Tetrelogic Pharmaceuticals (TLOG) 0.1 $1.7M 175k 9.52
JPMorgan Chase & Co. (JPM) 0.1 $1.6M 27k 58.49
Wal-Mart Stores (WMT) 0.1 $1.5M 19k 78.71
Lennar Corporation (LEN) 0.1 $1.5M 39k 39.57
Gap (GAP) 0.1 $1.4M 36k 39.07
Google 0.1 $1.5M 1.4k 1120.97
SBA Communications Corporation 0.1 $1.5M 17k 89.86
Calgon Carbon Corporation 0.1 $1.5M 75k 20.57
Synalloy Corporation (ACNT) 0.1 $1.5M 100k 15.36
HEALTH INSURANCE Common equity Innovations shares 0.1 $1.5M 147k 10.11
International Business Machines (IBM) 0.1 $1.3M 7.1k 187.55
NutriSystem 0.1 $1.3M 78k 16.44
Bon-Ton Stores (BONTQ) 0.1 $1.3M 79k 16.25
InterOil Corporation 0.1 $1.2M 24k 51.50
Burnham Holdings (BURCA) 0.1 $1.3M 67k 18.79
Intercontinental Exchange (ICE) 0.1 $1.3M 6.0k 224.97
Goldman Sachs (GS) 0.1 $1.2M 6.6k 177.25
Blackstone 0.1 $1.1M 36k 31.50
General Electric Company 0.1 $1.1M 38k 28.02
TransAct Technologies Incorporated (TACT) 0.1 $1.1M 92k 12.53
Rockwood Holdings 0.1 $1.1M 15k 71.95
PacWest Ban 0.1 $1.0M 25k 42.21
Penns Woods Ban (PWOD) 0.1 $1.1M 22k 50.98
Univest Corp. of PA (UVSP) 0.1 $1.2M 58k 20.67
Citigroup (C) 0.1 $1.1M 20k 52.13
Michael Kors Holdings 0.1 $1.1M 13k 81.16
Tandem Diabetes Care 0.1 $1.1M 44k 25.77
Cabot Oil & Gas Corporation (CTRA) 0.1 $871k 23k 38.76
Coca-Cola Company (KO) 0.1 $969k 23k 41.33
Johnson & Johnson (JNJ) 0.1 $920k 10k 91.62
Pfizer (PFE) 0.1 $863k 28k 30.63
ConocoPhillips (COP) 0.1 $873k 12k 70.64
Procter & Gamble Company (PG) 0.1 $882k 11k 81.46
Oracle Corporation (ORCL) 0.1 $911k 24k 38.24
Chico's FAS 0.1 $929k 49k 18.84
Fulton Financial (FULT) 0.1 $975k 75k 13.09
Imax Corp Cad (IMAX) 0.1 $834k 28k 29.49
Uni-Pixel 0.1 $946k 95k 10.01
Ldr Hldg 0.1 $850k 36k 23.61
Comcast Corporation (CMCSA) 0.0 $684k 13k 51.94
Cisco Systems (CSCO) 0.0 $728k 32k 22.44
Intel Corporation (INTC) 0.0 $811k 31k 25.94
Verizon Communications (VZ) 0.0 $823k 17k 49.15
Philip Morris International (PM) 0.0 $771k 8.9k 87.12
Schlumberger (SLB) 0.0 $749k 8.3k 90.10
Dollar Tree (DLTR) 0.0 $789k 14k 56.44
Atmel Corporation 0.0 $696k 89k 7.83
A. O. Smith Corporation (AOS) 0.0 $812k 15k 53.95
3D Systems Corporation (DDD) 0.0 $772k 8.3k 92.88
Boise Cascade (BCC) 0.0 $726k 25k 29.49
U.S. Bancorp (USB) 0.0 $478k 12k 40.42
Bank of America Corporation (BAC) 0.0 $619k 40k 15.56
McDonald's Corporation (MCD) 0.0 $495k 5.1k 96.98
Home Depot (HD) 0.0 $526k 6.4k 82.38
Walt Disney Company (DIS) 0.0 $620k 8.1k 76.36
At&t (T) 0.0 $610k 17k 35.18
CVS Caremark Corporation (CVS) 0.0 $512k 7.2k 71.54
Altria (MO) 0.0 $495k 13k 38.42
Pepsi (PEP) 0.0 $516k 6.2k 82.98
United Technologies Corporation 0.0 $474k 4.2k 113.78
UnitedHealth (UNH) 0.0 $523k 6.9k 75.33
Qualcomm (QCOM) 0.0 $622k 8.4k 74.29
Visa (V) 0.0 $469k 2.1k 222.80
Netflix (NFLX) 0.0 $489k 1.3k 367.95
American International (AIG) 0.0 $466k 9.1k 51.03
Codorus Valley Ban (CVLY) 0.0 $636k 33k 19.53
CCFNB Ban (CCFN) 0.0 $511k 14k 36.84
Liberty Media 0.0 $485k 3.3k 146.17
Twenty-first Century Fox 0.0 $563k 16k 35.19
Time Warner 0.0 $347k 5.0k 69.71
MasterCard Incorporated (MA) 0.0 $300k 359.00 835.65
American Express Company (AXP) 0.0 $436k 4.8k 90.76
PNC Financial Services (PNC) 0.0 $305k 3.9k 77.63
Discover Financial Services (DFS) 0.0 $460k 8.2k 55.95
Caterpillar (CAT) 0.0 $298k 3.3k 90.69
Eli Lilly & Co. (LLY) 0.0 $365k 7.2k 50.96
3M Company (MMM) 0.0 $422k 3.0k 140.25
Apache Corporation 0.0 $287k 3.3k 85.95
Union Pacific Corporation (UNP) 0.0 $421k 2.5k 168.06
AFLAC Incorporated (AFL) 0.0 $279k 4.2k 66.78
Boeing Company (BA) 0.0 $383k 2.8k 136.54
Dow Chemical Company 0.0 $301k 6.8k 44.36
Morgan Stanley (MS) 0.0 $331k 11k 31.32
Lockheed Martin Corporation (LMT) 0.0 $281k 1.9k 148.83
Amgen (AMGN) 0.0 $312k 2.7k 114.20
Capital One Financial (COF) 0.0 $400k 5.2k 76.61
Hess (HES) 0.0 $307k 3.7k 83.09
Hewlett-Packard Company 0.0 $397k 14k 27.99
Merck & Co (MRK) 0.0 $337k 6.7k 50.08
Occidental Petroleum Corporation (OXY) 0.0 $439k 4.6k 95.12
Ford Motor Company (F) 0.0 $426k 28k 15.44
Freeport-McMoRan Copper & Gold (FCX) 0.0 $317k 8.4k 37.73
Starbucks Corporation (SBUX) 0.0 $413k 5.3k 78.38
Marathon Oil Corporation (MRO) 0.0 $345k 9.8k 35.27
Republic First Ban (FRBKQ) 0.0 $454k 152k 2.98
Environmental Tectonics Corpco (ETCC) 0.0 $413k 212k 1.95
Phillips 66 (PSX) 0.0 $365k 4.7k 77.12
Northumberland Ban 0.0 $307k 9.7k 31.52
Abbvie (ABBV) 0.0 $369k 7.0k 52.87
Annaly Capital Management 0.0 $204k 21k 9.97
BlackRock (BLK) 0.0 $235k 744.00 315.86
Bank of New York Mellon Corporation (BK) 0.0 $242k 6.9k 34.93
Monsanto Company 0.0 $211k 1.8k 116.70
Via 0.0 $226k 2.6k 87.23
Travelers Companies (TRV) 0.0 $239k 2.6k 90.46
Medtronic 0.0 $276k 4.8k 57.37
E.I. du Pont de Nemours & Company 0.0 $210k 3.2k 65.06
Emerson Electric (EMR) 0.0 $204k 2.9k 70.27
Pacific Sunwear of California 0.0 $224k 67k 3.35
Colgate-Palmolive Company (CL) 0.0 $221k 3.4k 65.13
eBay (EBAY) 0.0 $211k 3.8k 54.98
Honeywell International (HON) 0.0 $264k 2.9k 91.38
Nike (NKE) 0.0 $209k 2.7k 78.54
Target Corporation (TGT) 0.0 $226k 3.6k 63.25
Walgreen Company 0.0 $222k 3.9k 57.39
WellPoint 0.0 $234k 2.5k 92.20
Danaher Corporation (DHR) 0.0 $207k 2.7k 77.09
Gilead Sciences (GILD) 0.0 $258k 3.4k 75.00
EMC Corporation 0.0 $235k 9.3k 25.17
TJX Companies (TJX) 0.0 $203k 3.2k 63.88
Illinois Tool Works (ITW) 0.0 $225k 2.7k 84.18
Lowe's Companies (LOW) 0.0 $228k 4.6k 49.46
Standard Pacific 0.0 $208k 23k 9.03
Glimcher Realty Trust 0.0 $150k 16k 9.34
BioScrip 0.0 $197k 27k 7.41
PGT 0.0 $109k 11k 10.15
Orbcomm 0.0 $110k 17k 6.32
Tekmira Pharmaceuticals Corporation 0.0 $121k 15k 7.96
Marathon Petroleum Corp (MPC) 0.0 $215k 2.3k 91.76
Duke Energy (DUK) 0.0 $208k 3.0k 68.85
Directv 0.0 $274k 4.0k 68.97
EnteroMedics 0.0 $71k 35k 2.03
Cyan 0.0 $81k 15k 5.31