================================================================================ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: June 30, 2012 Check here if Amendment [ ]; Amendment No.: --------- This Amendment (Check only one.): [ ] is a restatement. [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Camden Partners Holdings, LLC Address: 500 East Pratt Street Suite 1200 Baltimore, Maryland 21202 Form 13F File Number: 28-12730 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person signing this Report on Behalf of Reporting Manager: Name: Donald W. Hughes Title: Chief Financial Officer Phone: 410-878-6800 Signature, Place, and Date of Signing: /s/ Donald W. Hughes, Baltimore, Maryland, August 14, 2012 ---------------------------------------------------------- Report Type (Check only one.): [x] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) [ ] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) [ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) ================================================================================ FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 76 Form 13F Information Table Value Total: $89,426 (in thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. NONE FORM 13F INFORMATION TABLE

Column 1 Column 2 Column 3 Column 4 Column 5 Column 6 Column 7 Column 8 ------------------------- ------------- --------- --------- ---------------------- ---------- -------- ---------------------- Value Shrs or Prn Sh/ Put/ Investment Other Voting Authority Name of Issuer Title of Class CUSIP (x$1000) Amt Prn Call Discretion Managers Sole Shared Other ------------------------- -------------- ---------- --------- ------------ ---- ----- ---------- -------- -------- ------ ----- Connecticut Water Service Inc. COM 207797101 246 8,500 SH Defined N/A 8,500 Procera Networks, Inc. COM NEW 74269U203 229 9,400 SH Defined N/A 9,400 Monotype Imaging Holdings, Inc. COM 61022P100 206 12,300 SH Defined N/A 12,300 FEI Co. COM 30241L109 206 4,300 SH Defined N/A 4,300 Ciena Corp COM NEW 171779309 196 12,000 SH Defined N/A 12,000 Arbitron Inc. COM 03875Q108 191 5,450 SH Defined N/A 5,450 Conceptus Inc. COM 206016107 178 9,000 SH Defined N/A 9,000 Power Integrations Inc. COM 739276103 177 4,750 SH Defined N/A 4,750 Acuity Brands, Inc. COM 00508Y102 163 3,200 SH Defined N/A 3,200 American Railcar INDS, Inc. COM 02916P103 163 6,000 SH Defined N/A 6,000 Titan International Inc. Ill COM 88830M102 159 6,500 SH Defined N/A 6,500 Brinks Company COM 109696104 153 6,600 SH Defined N/A 6,600 ADTRAN Inc. COM 00738A106 151 5,000 SH Defined N/A 5,000 Twin Disc Inc. COM 901476101 148 8,000 SH Defined N/A 8,000 MYR Group Inc. COM 55405W104 148 8,650 SH Defined N/A 8,650 MDC Partners Inc. CL A 552697104 144 11,450 SH Defined N/A 11,450 Federal Mogul Corp. COM 313549404 142 12,900 SH Defined N/A 12,900 Dana Holdings Corp COM 235825205 137 10,700 SH Defined N/A 10,700 Isis Pharmaceuticals, Inc. COM 464330109 137 11,400 SH Defined N/A 11,400 Reald Inc. COM 75604L105 136 9,100 SH Defined N/A 9,100 Avanir Pharmaceuticals CL A NEW 05348P401 135 34,400 SH Defined N/A 34,400 Valmont Industries, Inc. COM 920253101 133 1,100 SH Defined N/A 1,100 Starwood Property Trust, Inc. COM 85571B105 132 6,200 SH Defined N/A 6,200 Universal Display Corp. COM 91347P105 131 3,650 SH Defined N/A 3,650 DTS Inc. COM 23335C101 130 5,000 SH Defined N/A 5,000 Insulet Corporation COM 45784P101 125 5,850 SH Defined N/A 5,850 Allied Nevada Gold Corp. COM 019344100 118 4,150 SH Defined N/A 4,150 Acacia Research Corp COM 003881307 117 3,150 SH Defined N/A 3,150 Vitran Corp Inc. COM 92850E107 113 18,300 SH Defined N/A 18,300 Insteel Industries Inc. COM 45774W108 110 9,900 SH Defined N/A 9,900 Zipcar, Inc COM 98974X103 106 9,000 SH Defined N/A 9,000 Rovi Corporation COM 779376102 104 5,300 SH Defined N/A 5,300

Ion Geophysical Corporation COM 462044108 103 15,600 SH Defined N/A 15,600 Visteon Crop COM NEW 92839U206 101 2,700 SH Defined N/A 2,700 Petroleum Development Corporation COM 716578109 101 4,100 SH Defined N/A 4,100 Pandora Media, Inc. COM 698354107 98 9,000 SH Defined N/A 9,000 Immersion Corp COM 452521107 95 16,900 SH Defined N/A 16,900 Red Lion Hotels Corp COM 756764106 93 10,800 SH Defined N/A 10,800 Gibraltar Industries, Inc. COM 374689107 93 9,000 SH Defined N/A 9,000 Horace Mann Educators Corp COM 440327104 91 5,200 SH Defined N/A 5,200 Regis Corp COM 758932107 90 5,000 SH Defined N/A 5,000 Rexx Energy Corp COM 761565100 90 8,000 SH Defined N/A 8,000 Brookfield Residential Propane COM 11283W104 87 8,000 SH Defined N/A 8,000 OCZ Technology Group Inc. COM 67086E303 84 15,900 SH Defined N/A 15,900 Powersecure International, Inc. COM 73936N105 82 16,500 SH Defined N/A 16,500 Global Power Equipment Group Inc. COM PAR $37941P207 81 3,700 SH Defined N/A 3,700 Goodrich Petroleum Corp. COM NEW 382410405 80 5,800 SH Defined N/A 5,800 Mcewen Mining Inc COM 58039P107 78 25,900 SH Defined N/A 25,900 Lexicon Pharmaceuticals, Inc. COM 528872104 73 32,500 SH Defined N/A 32,500 Cavium Networks, Inc. COM 14965A101 73 2,600 SH Defined N/A 2,600 Texas Pacific Land Trust SUB CTF PROP 882610108 68 1,200 SH Defined N/A 1,200 NCI Building Systems Inc. COM NEW 628852204 63 5,800 SH Defined N/A 5,800 Imperva Inc. COM 45321L100 61 2,100 SH Defined N/A 2,100 General Cable Corp. COM 369300108 58 2,250 SH Defined N/A 2,250 Prolor Biotech Inc. COM 74344F106 58 11,500 SH Defined N/A 11,500 Barnes & Noble Bookstores COM 067774109 56 3,400 SH Defined N/A 3,400 MAP Pharmaceuticals, Inc. COM 56509R108 55 3,700 SH Defined N/A 3,700 Synaptics Inc. COM 87157D109 54 1,900 SH Defined N/A 1,900 Beazer Homes USA, Inc. COM 07556Q105 54 16,600 SH Defined N/A 16,600 Colony Financial Inc. COM 19624R106 52 3,000 SH Defined N/A 3,000 Rochester Medical Corp COM 771497104 52 4,800 SH Defined N/A 4,800 Sourcefire Inc. COM 83616T108 49 950 SH Defined N/A 950 Oncogenex Pharmaceuticals Inc. COM 68230A106 48 3,600 SH Defined N/A 3,600 Active Network Inc. COM 00506D100 48 3,100 SH Defined N/A 3,100 Wendy's-Arby's Group, Inc COM 95058W100 48 10,100 SH Defined N/A 10,100 Clean Energy Fuels Corp. COM 184499101 47 3,000 SH Defined N/A 3,000 Authentec Inc. COM 052660107 44 10,100 SH Defined N/A 10,100 Given Imaging ORD SHS M52020100 43 2,700 SH Defined N/A 2,700 Microvision, Inc. COM NEW 594960304 38 23,500 SH Defined N/A 23,500 Points International Ltd. COM NEW 730843208 36 3,000 SH Defined N/A 3,000 AtriCure, Inc. COM 04963C209 8,842 920,132 SH Defined N/A 920,132 National American University Holdings, Inc. COM 63245Q105 3,957 920,132 SH Defined N/A 920,132 CIBT Education Group COM 17163Y102 2,070 10,894,558 SH Defined N/A 10,894,558 Primo Water Corporation COM 74165N105 1,027 925,491 SH Defined N/A 925,491 RealPage, Inc. COM 75606N109 43,660 1,885,162 SH Defined N/A 1,885,162 WageWorks, Inc. COM 930427109 22,381 1,486,117 SH Defined N/A 1,486,117