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
BANKRATE INC DEL COM 06647F102 2,891 207,269 SH   SOLE   207,269 0 0
BANKRATE INC DEL COM 06647F102 1,102 78,994 SH   OTR   0 0 78,994
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 6,046 32,982 SH   SOLE   32,982 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 183 1,000 SH   OTR   0 0 1,000
CECO ENVIRONMENTAL CORP COM 125141101 15,776 1,864,805 SH   SOLE   1,864,805 0 0
CECO ENVIRONMENTAL CORP COM 125141101 6,515 770,076 SH   OTR   0 0 770,076
CALIX INC COM 13100M509 318 63,121 SH   SOLE   63,121 0 0
CALIX INC COM 13100M509 127 25,136 SH   OTR   0 0 25,136
DOLBY LABORATORIES INC COM 25659T107 7,240 125,874 SH   SOLE   125,874 0 0
DOLBY LABORATORIES INC COM 25659T107 3,034 52,747 SH   OTR   0 0 52,747
FARMER BROS CO COM 307675108 23,192 705,993 SH   SOLE   705,993 0 0
FARMER BROS CO COM 307675108 9,633 293,238 SH   OTR   0 0 293,238
GENTHERM INC COM 37253A103 19,525 525,566 SH   SOLE   525,566 0 0
GENTHERM INC COM 37253A103 8,033 216,218 SH   OTR   0 0 216,218
HACKETT GROUP INC COM 404609109 12,425 817,968 SH   SOLE   817,968 0 0
HACKETT GROUP INC COM 404609109 5,021 330,522 SH   OTR   0 0 330,522
INTEGRATED DEVICE TECHNOLOGY COM 458118106 31,468 1,183,889 SH   SOLE   1,183,889 0 0
INTEGRATED DEVICE TECHNOLOGY COM 458118106 13,011 489,496 SH   OTR   0 0 489,496
KMG CHEMICALS INC COM 482564101 23,066 420,298 SH   SOLE   420,298 0 0
KMG CHEMICALS INC COM 482564101 9,684 176,454 SH   OTR   0 0 176,454
MODEL N INC COM 607525102 10,425 697,298 SH   SOLE   697,298 0 0
MODEL N INC COM 607525102 4,295 287,296 SH   OTR   0 0 287,296
MONOTYPE IMAGING HOLDINGS IN COM 61022P100 31,079 1,614,499 SH   SOLE   1,614,499 0 0
MONOTYPE IMAGING HOLDINGS IN COM 61022P100 12,875 668,832 SH   OTR   0 0 668,832
PANHANDLE OIL AND GAS INC CL A 698477106 33,121 1,391,652 SH   SOLE   1,391,652 0 0
PANHANDLE OIL AND GAS INC CL A 698477106 13,821 580,695 SH   OTR   0 0 580,695
PURECYCLE CORP COM NEW 746228303 10,723 1,429,723 SH   SOLE   1,429,723 0 0
PURECYCLE CORP COM NEW 746228303 4,493 599,072 SH   OTR   0 0 599,072
SILVER SPRING NETWORKS INC COM 82817Q103 17,417 1,077,111 SH   SOLE   1,077,111 0 0
SILVER SPRING NETWORKS INC COM 82817Q103 6,702 414,481 SH   OTR   0 0 414,481
SURMODICS INC COM 868873100 28,105 906,613 SH   SOLE   906,613 0 0
SURMODICS INC COM 868873100 11,686 376,965 SH   OTR   0 0 376,965
TECHTARGET INC COM 87874R100 22,046 1,846,437 SH   SOLE   1,846,437 0 0
TECHTARGET INC COM 87874R100 9,414 788,420 SH   OTR   0 0 788,420
XPERI CORP COM 98421B100 20,981 829,304 SH   SOLE   829,304 0 0
XPERI CORP COM 98421B100 8,227 325,186 SH   OTR   0 0 325,186