UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 13F
Form 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: March 31, 2013
Check here if Amendment [ ]; Amendment Number:
This Amendment (Check only one.): [ ] is a restatement.
[ ] adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: Diker Management, LLC
Address: 730 Fifth Avenue
15th Floor
New York, NY 10019
13F File Number: 028-10830
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: Mark N. Diker
Title: Managing Manager
Phone: (212) 904-0321
Signature, Place, and Date of Signing:
/s/ Mark N. Diker New York, NY/USA May 15, 2013
Report Type (Check only one.):
[ X] 13F HOLDINGS REPORT.
[ ] 13F NOTICE.
[ ] 13F COMBINATION REPORT.
FORM 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 1
Form 13F Information Table Entry Total: 79
Form 13F Information Table Value Total: $366,401 (thousands)
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional managers with respect to which this report is filed, other
than the manager filing this report.
No. 13F File Number Name
1 028-10832 Diker GP, LLC
FORM 13F INFORMATION TABLE
VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
3M CO COM 88579Y101 500 4700 SH SOLE 4700 0 0
ACTIVE NETWORK INC COM 00506D100 272 65000 SH DEFINED 1 0 65000 0
ACTIVE POWER INC COM NEW 00504W308 1027 223795 SH DEFINED 1 0 223795 0
ALLOT COMMUNICATIONS LTD SHS M0854Q105 10868 910245 SH DEFINED 1 45306 864939 0
ALVARION LTD SHS M0861T100 540 1459014 SH DEFINED 1 0 1459014 0
AMERICAN EAGLE OUTFITTERS NE COM 02553E106 307 16400 SH SOLE 16400 0 0
ANIKA THERAPEUTICS INC COM 035255108 436 30000 SH SOLE 30000 0 0
APPLE INC COM 037833100 51392 116098 SH SOLE 116098 0 0
AXCELIS TECHNOLOGIES INC COM 054540109 7530 6024054 SH DEFINED 1 832114 5191940 0
BOINGO WIRELESS INC COM 09739C102 2773 502286 SH DEFINED 1 0 502286 0
BOULDER BRANDS INC COM 101405108 322 35800 SH DEFINED 1 0 35800 0
BRIGHTCOVE INC COM 10921T101 5324 857286 SH DEFINED 1 0 857286 0
CAFEPRESS INC COM 12769A103 4364 726143 SH DEFINED 1 0 726143 0
CANTEL MEDICAL CORP COM 138098108 54915 1826843 SH SOLE 1826843 0 0
CARBONITE INC COM 141337105 12755 1164808 SH DEFINED 1 101693 1063115 0
CERAGON NETWORKS LTD ORD M22013102 8178 1893168 SH DEFINED 1 304690 1588478 0
CHEVRON CORP NEW COM 166764100 256 2156 SH SOLE 2156 0 0
CISCO SYS INC COM 17275R102 605 28942 SH SOLE 28942 0 0
COASTAL CONTACTS INC COM NEW 19044R207 1946 311395 SH DEFINED 1 0 311395 0
COMCAST CORP NEW CL A SPL 20030N200 258 6508 SH SOLE 6508 0 0
COSI INC COM 22122P101 81 117700 SH DEFINED 1 0 117700 0
CROCS INC COM 227046109 1121 75624 SH DEFINED 1 0 75624 0
CROSSROADS SYS INC COM NEW 22765D209 748 335616 SH DEFINED 1 74260 261356 0
DAEGIS INC COM 233720101 605 530520 SH DEFINED 1 80190 450330 0
DEMAND MEDIA INC COM 24802N109 4337 502518 SH DEFINED 1 0 502518 0
ELECTRONICS FOR IMAGING INC COM 286082102 9962 392829 SH DEFINED 1 0 392829 0
EXPRESS INC COM 30219E103 199 11154 SH DEFINED 1 0 11154 0
FEDEX CORP COM 31428X106 890 9062 SH SOLE 9062 0 0
FORMFACTOR INC COM 346375108 2527 537759 SH DEFINED 1 0 537759 0
FORTINET INC COM 34959E109 597 25200 SH DEFINED 1 0 25200 0
G-III APPAREL GROUP LTD COM 36237H101 1043 26000 SH DEFINED 1 0 26000 0
GNC HLDGS INC COM CL A 36191G107 923 23500 SH DEFINED 1 0 23500 0
GORDMANS STORES INC COM 38269P100 433 37000 SH DEFINED 1 0 37000 0
I D SYSTEMS INC COM 449489103 3981 698389 SH DEFINED 1 170119 528270 0
ICG GROUP INC COM 44928D108 5712 457658 SH DEFINED 1 70671 386987 0
IKANOS COMMUNICATIONS COM 45173E105 11928 5964042 SH DEFINED 1 964725 4999317 0
INCONTACT INC COM 45336E109 1214 150011 SH DEFINED 1 0 150011 0
INFORMATICA CORP COM 45666Q102 1303 37800 SH DEFINED 1 0 37800 0
INUVO INC COM NEW 46122W204 298 458934 SH DEFINED 1 0 458934 0
IPASS INC COM 46261V108 1688 852644 SH DEFINED 1 0 852644 0
ISHARES TR RUSSELL 2000 464287655 42494 450000 SH PUT DEFINED 1 0 450000 0
ITERIS INC COM 46564T107 845 464218 SH DEFINED 1 0 464218 0
JOHNSON & JOHNSON COM 478160104 241 2950 SH SOLE 2950 0 0
KONA GRILL INC COM 50047H201 542 59382 SH DEFINED 1 0 59382 0
LANTRONIX INC COM NEW 516548203 876 407601 SH DEFINED 1 0 407601 0
LEAPFROG ENTERPRISES INC CL A 52186N106 897 104824 SH DEFINED 1 0 104824 0
LEUCADIA NATL CORP COM 527288104 658 23987 SH SOLE 23987 0 0
LOGMEIN INC COM 54142L109 3191 166000 SH DEFINED 1 0 166000 0
MEDIFAST INC COM 58470H101 810 35345 SH DEFINED 1 0 35345 0
MERU NETWORKS INC COM 59047Q103 417 61847 SH DEFINED 1 0 61847 0
MICROSOFT CORP COM 594918104 1371 47928 SH SOLE 47928 0 0
MINDSPEED TECHNOLOGIES INC COM NEW 602682205 6123 1844147 SH DEFINED 1 359311 1484836 0
MONRO MUFFLER BRAKE INC COM 610236101 3962 99774 SH SOLE 99774 0 0
MOVE INC COM NEW 62458M207 6084 509107 SH DEFINED 1 0 509107 0
ONVIA INC COM NEW 68338T403 2357 615522 SH DEFINED 1 125955 489567 0
PIXELWORKS INC COM NEW 72581M305 888 399786 SH DEFINED 1 0 399786 0
RADWARE LTD ORD M81873107 7202 190874 SH DEFINED 1 12002 178872 0
RAINMAKER SYSTEMS COM NEW 750875304 704 1582987 SH DEFINED 1 384678 1198309 0
RESPONSYS INC COM 761248103 16941 1914199 SH DEFINED 1 53229 1860970 0
RIVERBED TECHNOLOGY INC COM 768573107 934 62600 SH DEFINED 1 0 62600 0
SANDISK CORP COM 80004C101 2479 45100 SH DEFINED 1 0 45100 0
SEQUANS COMMUNICATIONS S A SPONSORED ADS 817323108 3318 2087074 SH DEFINED 1 0 2087074 0
SERVICESOURCE INTL LLC COM 81763U100 1875 265211 SH DEFINED 1 0 265211 0
SHOE CARNIVAL INC COM 824889109 507 24786 SH DEFINED 1 0 24786 0
SHORETEL INC COM 825211105 10920 3008173 SH DEFINED 1 369500 2638673 0
SHUTTERFLY INC COM 82568P304 2031 45972 SH DEFINED 1 0 45972 0
SILICON IMAGE INC COM 82705T102 872 179400 SH DEFINED 1 0 179400 0
SKYWORKS SOLUTIONS INC COM 83088M102 4209 191089 SH DEFINED 1 0 191089 0
SOUNDBITE COMMUNICATIONS INC COM 836091108 804 265438 SH DEFINED 1 0 265438 0
SPDR GOLD TRUST GOLD SHS 78463V107 1430 9259 SH SOLE 9259 0 0
SYNCHRONOSS TECHNOLOGIES INC COM 87157B103 6768 218100 SH DEFINED 1 0 218100 0
TECHTARGET INC COM 87874R100 4467 913560 SH DEFINED 1 123862 789698 0
TESSERA TECHNOLOGIES INC COM 88164L100 5469 291699 SH DEFINED 1 0 291699 0
TOWERSTREAM CORP COM 892000100 1340 601072 SH DEFINED 1 0 601072 0
TUCOWS INC COM 898697107 2547 1480831 SH DEFINED 1 0 1480831 0
VOCUS INC COM 92858J108 4193 296341 SH DEFINED 1 0 296341 0
WHOLE FOODS MKT INC COM 966837106 325 3750 SH DEFINED 1 0 3750 0
XEROX CORP COM 984121103 928 107940 SH SOLE 107940 0 0
YAHOO INC COM 984332106 224 9500 SH SOLE 9500 0 0