Aspen Technology 2010

							 Legg Mason ClearBridge Small Cap Growth Fund


 Full Holdings (As of 09-30-2010)


IDENTIFIER         PAR/SHARES       SECURITIES DESCRIPTION (all         data unaudited)   MARKET           % OF INVESTMEN
                                                                                          VALUE
FULL HOLDINGS
78388J106          504,040          SBA Communications Corp.                              $20,312,812.00
87424N104          696,745          Taleo Corp.                                           $20,198,637.55
592688105          160,070          Mettler-Toledo International Inc.                     $19,919,110.80
45167R104          553,330          IDEX Corp.                                            $19,648,748.30
465685105          309,020          ITC Holdings Corp.                                    $19,236,495.00
774415103          597,384          Rockwood Holdings Inc.                                $18,799,674.48
091935502          493,550          Blackboard Inc.                                       $17,787,542.00
05874B107          465,510          Bally Technologies Inc.                               $16,269,574.50
553530106          297,100          MSC Industrial Direct Co. Inc.                        $16,055,284.00
22025Y407          636,770          Corrections Corporation of America                    $15,715,483.60
58733R102          215,037          Mercadolibre Inc.                                     $15,521,370.66
83616T108          536,868          Sourcefire Inc.                                       $15,483,273.12
594901100          361,994          MICROS Systems Inc.                                   $15,323,206.02
015351109          236,280          Alexion Pharmaceuticals Inc.                          $15,206,980.80
177376100          213,700          Citrix Systems Inc.                                   $14,582,888.00
58502B106          265,932          Mednax Inc.                                           $14,174,175.60
008252108          180,835          Affiliated Managers Group Inc.                        $14,106,938.35
25299W007          14,055,000       Deutsche Bank Tri Party Repo                          $14,055,000.00
535919203          1,868,720        Lions Gate Entertainment Corp.                        $13,735,092.00
675232102          247,270          Oceaneering International Inc.                        $13,317,962.20
92343X100          445,885          Verint Systems Inc.                                   $13,175,901.75
75886F107          474,890          Regeneron Pharmaceuticals Inc.                        $13,011,986.00
685564106          839,983          Orbital Sciences Corp.                                $12,851,739.90
20451N101          164,916          Compass Minerals International Inc.                   $12,635,863.92
778296103          214,560          Ross Stores Inc.                                      $11,719,267.20
929QJF008          11,697,000       RBS Securities Repo                                   $11,697,000.00
25388B104          342,120          Digital River Inc.                                    $11,645,764.80
480838101          272,692          Jos. A. Bank Clothiers Inc.                           $11,619,406.12
00751Y106          197,370          Advance Auto Parts Inc.                               $11,581,671.60
48020Q107          133,890          Jones Lang LaSalle Inc.                               $11,550,690.30
00484M106          346,964          Acorda Therapeutics Inc.                              $11,456,751.28
428567101          449,740          Hibbett Sports Inc.                                   $11,221,013.00
707569109          377,380          Penn National Gaming Inc.                             $11,174,221.80
502161102          2,398,312        LSI Corp.                                             $10,936,302.72
147528103   259,049     Casey's General Stores Inc.                      $10,815,295.75
457985208   270,396     Integra LifeSciences Holdings Corp.              $10,669,826.16
74762E102   556,770     Quanta Services Inc.                             $10,623,171.60
05334D107   418,060     Auxilium Pharmaceuticals Inc.                    $10,359,526.80
690732102   351,210     Owens & Minor Inc.                               $9,995,436.60
46612H402   296,876     J Crew Group Inc                                 $9,980,971.12
611742107   744,270     Monster Worldwide Inc.                           $9,645,739.20
83416B109   549,700     Solarwinds Inc.                                  $9,487,822.00
232572107   245,800     Cymer Inc.                                       $9,114,264.00
464287648   121,926     iShares Russell 2000 Growth Index Fund           $9,112,749.24
04685W103   259,510     athenahealth Inc.                                $8,569,020.20
20564W105   353,658     comScore Inc.                                    $8,318,036.16
045327103   770,590     Aspen Technology Inc.                            $7,991,018.30
78486Q101   186,710     SVB Financial Group                              $7,901,567.20
917047102   247,020     Urban Outfitters Inc.                            $7,766,308.80
34959E109   305,340     Fortinet Inc.                                    $7,633,500.00
55003T107   305,920     Lumber Liquidators Holdings Inc.                 $7,516,454.40
26433B107   552,390     Duff & Phelps Corp.                              $7,440,693.30
75281A109   182,087     Range Resources Corp.                            $6,942,977.31
680033107   639,570     Old National Bancorp                             $6,715,485.00
G72457107   1,386,334   Primus Guaranty Ltd.                             $6,321,683.04
205862402   933,630     Comverse Technology Inc.                         $6,283,329.90
458118106   1,004,100   Integrated Device Technology Inc.                $5,873,985.00
68273G101   1,319,830   Online Resources Corp.                           $5,860,045.20
922207105   199,820     Varian Semiconductor Equipment Associates Inc.   $5,750,819.60
317485100   348,620     Financial Engines Inc.                           $4,629,673.60
549764108   100,320     Lufkin Inds Inc                                  $4,404,048.00
205768203   184,910     Comstock Resources Inc.                          $4,158,625.90
206016107   296,380     Conceptus Inc.                                   $4,075,225.00
880345103   126,000     Tennant Co.                                      $3,893,400.00
670008101   134,050     Novellus Systems Inc.                            $3,563,049.00
04033A100   929,170     ARIAD Pharmaceuticals Inc.                       $3,549,429.40
03739T108   372,436     A123 Systems Inc.                                $3,340,750.92
656844107   386,920     North American Energy Partners Inc.              $3,153,398.00
921659108   456,630     Vanda Pharmaceuticals Inc.                       $3,050,288.40
81724Q107   621,950     Senomyx Inc.                                     $2,475,361.00
38011M108   443,038     GMX Resources Inc.                               $2,153,164.68
121208201   75,900      Burger King Holdings Inc.                        $1,812,492.00
G45667105   150,254     Hollysys Automation Technologies Ltd.            $1,681,342.26
290348101   86,000      Elster Group SE, ADR                             $1,186,800.00
384871109   282,200     Gramercy Capital Corp.                           $392,258.00
CURRENCIES AND
CASH
                     929                 US Dollar                                                $928.73
DERIVATIVES
99XX88355            -48,900             CITRIX SYSTEMS INC OCT10 75 CA
99XY09508            -43,000             COMPASS MINERALS INTERNATION N
99XX50264            -75,900             BURGER KING HOLDINGS INC OCT10




Portfolio holdings are subject to change at any time without notice and do not reflect trade date activity. Percentages are based on total
investments. This information is provided for information purposes only and should not be construed as a recommendation to purchase
sell any security.
Legg Mason Investor Services, LLC, member FINRA/SIPC
% OF INVESTMENTS



       2.71
       2.69
       2.66
       2.62
       2.57
       2.51
       2.37
       2.17
       2.14
       2.10
       2.07
       2.06
       2.04
       2.03
       1.94
       1.89
       1.88
       1.87
       1.83
       1.78
       1.76
       1.74
       1.71
       1.68
       1.56
       1.56
       1.55
       1.55
       1.54
       1.54
       1.53
       1.50
       1.49
       1.46
1.44
1.42
1.42
1.38
1.33
1.33
1.29
1.27
1.22
1.22
1.14
1.11
1.07
1.05
1.04
1.02
1.00
0.99
0.93
0.90
0.84
0.84
0.78
0.78
0.77
0.62
0.59
0.55
0.54
0.52
0.48
0.47
0.45
0.42
0.41
0.33
0.29
0.24
0.22
0.16
0.05
es are based on total
endation to purchase or