Harbor Mid Cap Growth Fund Administrative Class (HRMGX)

Portfolio Characteristics (As of Quarter-Ended 03/31/2013)

 Harbor Mid Cap Growth FundRussell Midcap® Growth Index
Number of Holdings100459
Weighted Avg. Market Cap ($Mil)7,254.4210,321.85
Median Market Cap ($Mil)4,620.075,415.81
Price/Book Ratio3.044.42
Adj. Trailing P/E Ratio35.0723.29
Forecasted P/E Ratio18.2317.43
Earnings Growth Rate (%)12.7911.68
Proj. Earnings Growth Rate (%)19.7715.78
Return on Equity (%)11.1917.22
Beta vs. Russell Midcap® Growth Index1.04-
Beta vs. Russell 3000® Index1.16-

For definitions of the portfolio characteristics, visit our Financial Glossary.

Top Ten Holdings (As of Quarter-Ended 03/31/2013)

Company Name [Ticker]% of Net Assets
LinkedIn Corp. [LNKD]2.2
Hologic Inc. [HOLX]2.0
DigitalGlobe Inc. [DGI]1.7
Autodesk Inc. [ADSK]1.7
Catamaran Corp. [CTRX]1.7
Burger King Worldwide Inc. [BKW]1.5
Akamai Technologies Inc. [AKAM]1.5
Dick's Sporting Goods Inc. [DKS]1.5
Intercontinentalexchange Inc. [ICE]1.5
Samsonite International SA [1910]1.5
% of Total Holdings:16.8

Full Holdings (As of Quarter-Ended 03/31/2013)

Company Name [Ticker]CountryCUSIPShares (000's)Current Price ($)Market Value ($000's)% of Net Assets
LinkedIn Corp. [LNKD]US53578A10887176.0615,3702.2
Hologic Inc. [HOLX]US43644010163022.6014,2402.0
DigitalGlobe Inc. [DGI]US25389M87741728.9112,0451.7
Autodesk Inc. [ADSK]US05276910628041.2411,5471.7
Catamaran Corp. [CTRX]US14888710221753.0311,5161.7
Burger King Worldwide Inc. [BKW]US12122010756319.1010,7511.5
Akamai Technologies Inc. [AKAM]US00971T10130235.2910,6521.5
Dick's Sporting Goods Inc. [DKS]US25339310222447.3010,5991.5
Intercontinentalexchange Inc. [ICE]US45865V10064163.0710,4721.5
Samsonite International SA [1910]LUB4Q1539004,1602.5110,4281.5
Actavis Inc. [ACT]US00507K10311292.1110,3621.5
Servicenow Inc. [NOW]US81762P10228136.2010,1841.5
Rock-Tenn Co. [RKT]US77273920710992.7910,1221.5
Polypore International Inc. [PPO]US73179V10324040.189,6451.4
Cadence Design Systems Inc. [CDNS]US12738710868713.939,5721.4
IHS Inc. [IHS]US45173410790104.729,4371.4
Host Hotels & Resorts Inc. [HST]US44107P10453317.499,3211.3
Teradata Corp. [TDC]US88076W10315658.519,1431.3
Salesforce.com Inc. [CRM]US79466L30250178.838,9381.3
Agilent Technologies Inc. [A]US00846U10121241.978,8831.3
Pioneer Natural Resources Co. [PXD]US72378710771124.258,8391.3
Micros Systems Inc. [MCRS]US59490110019445.518,8101.3
Buffalo Wild Wings Inc. [BWLD]US1198481099987.538,6451.2
KBR Inc. [KBR]US48242W10626432.088,4841.2
Edwards Lifesciences Corp. [EW]US28176E10810282.168,3891.2
Trican Well Service Ltd. [TCW]CA89594595457014.678,3561.2
NXP Semiconductor NV [NXPI]NLN6596X10927130.268,1931.2
Hanover Insurance Group Inc. [THG]US41086710516349.688,0991.2
International Paper Co. [IP]US46014610317346.588,0441.2
Vantiv Inc. [VNTV]US92210H10533523.747,9571.1
Whirlpool Corp. [WHR]US96332010667118.467,9381.1
Spectrum Brands Holdings Inc. [SPB]US84763R10114056.597,9231.1
TripAdvisor Inc. [TRIP]US89694520115052.527,8701.1
Crown Holdings Inc. [CCK]US22836810618841.617,8341.1
Tenneco Inc. [TEN]US88034910519739.317,7611.1
XL Group plc [XL]IEG9829010225530.307,7131.1
Hanesbrands Inc. [HBI]US41034510216845.567,6751.1
Concur Technologies Inc. [CNQR]US20670810911068.667,5701.1
Allison Transmission Holdings Inc. [ALSN]US01973R10131424.017,5331.1
Symantec Corp. [SYMC]US87150310830024.687,3971.1
Covance Inc. [CVD]US2228161009974.327,3931.1
Life Time Fitness Inc. [LTM]US53217R20717142.787,3251.1
Pandora Media Inc. [P]US69835410751114.167,2381.0
TIBCO Software Inc. [TIBX]US88632Q10335420.227,1631.0
DSW Inc. [DSW]US23334L10211263.807,1511.0
Solera Holdings Inc. [SLH]US83421A10412258.337,1201.0
WESCO International Inc. [WCC]US95082P1059772.617,0481.0
ULTA Salon Cosmetics & Fragrance Inc. [ULTA]US90384S3038781.177,0471.0
Forest Laboratories Inc. [FRX]US34583810618438.047,0121.0
Dufry AG [DUFN]CHB0R80X90156124.576,9831.0
AON plc [AON]USG0408V10211361.506,9581.0
JDS Uniphase Corp. [JDSU]US46612J50751713.376,9171.0
Spirit Airlines Inc. [SAVE]US84857710227325.366,9171.0
Methanex Corp. [MEOH]CA59151K10816940.636,8831.0
SanDisk Corp. [SNDK]US80004C10112555.006,8791.0
Whole Foods Market Inc. [WFM]US9668371067986.756,8191.0
Cabot Oil & Gas Corp. [COG]US12709710310067.616,7451.0
Hypermarcas SA [HYPE3]BRB2QY969018587.866,7441.0
BR Malls Participacoes SA [BRML3]BRB1RYG590653312.456,6361.0
Louisiana-Pacific Corp. [LPX]US54634710530621.606,6030.9
Bloomin' Brands Inc. [BLMN]US09423510836817.876,5800.9
Francesca's Holdings Corp. [FRAN]US35179310422628.666,4780.9
GS Holdings [A078930]KRB01RJV90110758.536,2550.9
PVH Corp. [PVH]US69365610054106.815,7780.8
HomeAway Inc. [AWAY]US43739Q10017532.505,6860.8
Urban Outfitters Inc. [URBN]US91704710214538.745,6050.8
HeartWare International Inc. [HTWR]US4223681006388.435,5690.8
Air Methods Corp. [AIRM]US00912830711548.245,5490.8
Juniper Networks Inc. [JNPR]US48203R10429618.545,4890.8
Assured Guaranty Ltd. [AGO]BMG0585R10626520.615,4550.8
Palo Alto Networks Inc. [PANW]US6974351059556.605,3910.8
Crown Castle International Corp. [CCI]US2282271047769.645,3370.8
Southwestern Energy Co. [SWN]US84546710913837.265,1520.7
Boston Scientific Corp. [BSX]US1011371076337.814,9440.7
InterActive Corp. [IACI]US44919P50811044.684,9170.7
Splunk Inc. [SPLK]US84863710412140.034,8550.7
Pall Corp. [PLL]US6964293076868.374,6330.7
Regeneron Pharmaceuticals Inc. [REGN]US75886F10725176.404,4050.6
NetFlix Inc. [NFLX]US64110L10622189.414,2480.6
Cobalt International Energy Inc. [CIE]US19075F10614528.204,1000.6
Armstrong World Industries Inc. [AWI]US04247X1027255.894,0490.6
Micron Technology Inc. [MU]US5951121033869.983,8480.6
Wyndham Worldwide Corp. [WYN]US98310W1085964.483,8110.5
Salix Pharmaceuticals Ltd. [SLXP]US7954351067451.183,7980.5
National Instruments Corp. [NATI]US63651810210932.753,5800.5
Cornerstone Ondemand Inc. [CSOD]US21925Y10310434.103,5360.5
Team Health Holdings Inc. [TMH]US87817A1079736.383,5170.5
Zillow Inc. [Z]US98954A1076354.673,4330.5
Cubist Pharmaceuticals Inc. [CBST]US2296781077046.823,2850.5
Five Below Inc. [FIVE]US33829M1018637.893,2700.5
Owens Corning [OC]US6907421018139.433,2020.5
Red Hat Inc. [RHT]US7565771025750.562,8820.4
Arena Pharmaceuticals Inc. [ARNA]US0400471023348.212,7390.4
Vertex Pharmaceuticals Inc. [VRTX]US92532F1004654.982,5070.4
Onyx Pharmaceuticals Inc. [ONXX]US6833991092888.862,5040.4
AMC Networks Inc. [AMCX]US00164V1032063.181,2860.2
Trulia Inc. [TRLA]US8978881033731.381,1670.2
Colfax Corp. [CFX]US1940141061446.546360.1
Jack In The Box Inc. [JACK]US466367109634.591940.0
Countrywide plc [CWD]GBB9NWP990975.93390.0
Total673,54796.9
Cash and Other Assets Less Liabilities3.1
Total Net Assets100%

Sector Allocation (As of Quarter-Ended 03/31/2013)

As of Quarter-Ended 03/31/2013
Economic SectorHarbor Mid Cap Growth Fund %Russell Midcap® Growth Index %
Information Technology25.716.3
Consumer Discretionary22.624.6
Health Care15.312.6
Industrials9.515.8
Financials8.38.2
Materials5.76.2
Energy5.75.5
Consumer Staples3.18.1
Telecommunication Services0.81.7
Utilities0.00.9

Sector Returns (As of Quarter-Ended 03/31/2013)

As of Quarter-Ended 03/31/2013
Sector ReturnsHarbor Mid Cap Growth Fund %Russell Midcap® Growth Index %
Financials17.712.2
Industrials17.214.2
Materials12.53.7
Energy11.220.2
Health Care10.08.8
Consumer Discretionary9.613.5
Information Technology7.87.6
Utilities0.020.0
Cash-0.40.0
Telecommunication Services-3.5-2.4
Consumer Staples-3.916.0

This information should not be considered as a recommendation to purchase or sell a particular security and the holdings, sectors or countries mentioned may change at any time and may not represent current or future investments.

The Russell Midcap® Growth Index is an unmanaged index generally representative of the U.S. market for medium capitalization growth stocks. This unmanaged index does not reflect fees and expenses and is not available for direct investment. The Russell Midcap® Growth Index and Russell® are trademarks of Russell Investments.