The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
AVG TECHNOLOGIES N V SHS N07831105 2,024 100,562 SH   SOLE   100,562 0 0
AVG TECHNOLOGIES N V SHS N07831105 64 3,200 SH   OTR   3,200 0 0
ACACIA RESH CORP ACACIA TCH COM 003881307 11,015 620,545 SH   SOLE   620,545 0 0
ACACIA RESH CORP ACACIA TCH COM 003881307 457 25,750 SH   OTR   25,750 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 7,488 59,168 SH   SOLE   59,168 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 313 2,475 SH   OTR   2,475 0 0
CECO ENVIRONMENTAL CORP COM 125141101 5,042 323,393 SH   SOLE   323,393 0 0
CECO ENVIRONMENTAL CORP COM 125141101 163 10,485 SH   OTR   10,485 0 0
CUI GLOBAL INC COM NEW 126576206 2,385 283,974 SH   SOLE   283,974 0 0
CUI GLOBAL INC COM NEW 126576206 80 9,550 SH   OTR   9,550 0 0
CALLIDUS SOFTWARE INC COM 13123E500 5,237 438,609 SH   SOLE   438,609 0 0
CALLIDUS SOFTWARE INC COM 13123E500 174 14,560 SH   OTR   14,560 0 0
DTS INC COM 23335C101 20,242 1,099,537 SH   SOLE   1,099,537 0 0
DTS INC COM 23335C101 716 38,889 SH   OTR   38,889 0 0
DIGITALGLOBE INC COM NEW 25389M877 17,628 634,098 SH   SOLE   634,098 0 0
DIGITALGLOBE INC COM NEW 25389M877 674 24,245 SH   OTR   24,245 0 0
DIGITALGLOBE INC COM NEW 25389M877 2,224 80,000 SH Call SOLE   80,000 0 0
DIGITALGLOBE INC COM NEW 25389M877 2,544 91,500 SH Put SOLE   91,500 0 0
FARMER BROS CO COM 307675108 737 34,104 SH   SOLE   34,104 0 0
FARMER BROS CO COM 307675108 15 705 SH   OTR   705 0 0
KMG CHEMICALS INC COM 482564101 18,568 1,032,683 SH   SOLE   1,032,683 0 0
KMG CHEMICALS INC COM 482564101 724 40,269 SH   OTR   40,269 0 0
KOFAX LTD COM USD G5307C105 9,437 1,097,348 SH   SOLE   1,097,348 0 0
KOFAX LTD COM USD G5307C105 309 35,945 SH   OTR   35,945 0 0
MERCURY SYS INC COM 589378108 18,851 1,662,351 SH   SOLE   1,662,351 0 0
MERCURY SYS INC COM 589378108 693 61,092 SH   OTR   61,092 0 0
NVE CORP COM NEW 629445206 24,098 433,494 SH   SOLE   433,494 0 0
NVE CORP COM NEW 629445206 886 15,947 SH   OTR   15,947 0 0
PROGRESS SOFTWARE CORP COM 743312100 9,702 403,565 SH   SOLE   403,565 0 0
PROGRESS SOFTWARE CORP COM 743312100 376 15,635 SH   OTR   15,635 0 0
PURECYCLE CORP COM NEW 746228303 11,029 1,629,103 SH   SOLE   1,629,103 0 0
PURECYCLE CORP COM NEW 746228303 336 49,640 SH   OTR   49,640 0 0
REACHLOCAL INC COM 75525F104 11,014 1,566,703 SH   SOLE   1,566,703 0 0
REACHLOCAL INC COM 75525F104 443 63,005 SH   OTR   63,005 0 0
RENTRAK CORP COM 760174102 11,267 214,809 SH   SOLE   214,809 0 0
RENTRAK CORP COM 760174102 383 7,302 SH   OTR   7,302 0 0
ROSETTA STONE INC COM 777780107 3,872 398,310 SH   SOLE   398,310 0 0
ROSETTA STONE INC COM 777780107 128 13,125 SH   OTR   13,125 0 0
SEACHANGE INTL INC COM 811699107 4,405 549,886 SH   SOLE   549,886 0 0
SEACHANGE INTL INC COM 811699107 141 17,575 SH   OTR   17,575 0 0
SURMODICS INC COM 868873100 5,136 239,753 SH   SOLE   239,753 0 0
SURMODICS INC COM 868873100 168 7,854 SH   OTR   7,854 0 0
TECHTARGET INC COM 87874R100 3,313 375,628 SH   SOLE   375,628 0 0
TECHTARGET INC COM 87874R100 104 11,750 SH   OTR   11,750 0 0
TESSERA TECHNOLOGIES INC COM 88164L100 23,070 1,044,833 SH   SOLE   1,044,833 0 0
TESSERA TECHNOLOGIES INC COM 88164L100 871 39,425 SH   OTR   39,425 0 0
YUME INC COM 98872B104 663 112,354 SH   SOLE   112,354 0 0
YUME INC COM 98872B104 22 3,650 SH   OTR   3,650 0 0