Trigran Investments 13F-HR Quarterly holdings report by institutional manager

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
Expires:	Oct 31, 2018
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
A10 NETWORKS INC	COM	002121101	8,117,132	556,349	SH		SOLE		556,349	0	0
A10 NETWORKS INC	COM	002121101	4,512,249	309,270	SH		OTR		0	309,270	0
A10 NETWORKS INC	COM	002121101	553,092	37,909	SH		OTR		0	0	37,909
ABSOLUTE SOFTWARE CORP	COM	00386B109	17,993,240	1,572,013	SH		SOLE		1,572,013	0	0
ABSOLUTE SOFTWARE CORP	COM	00386B109	9,509,550	830,047	SH		OTR		0	830,047	0
ABSOLUTE SOFTWARE CORP	COM	00386B109	1,708,000	149,265	SH		OTR		0	0	149,265
ANIKA THERAPEUTICS INC	COM	035255108	28,767,134	1,107,280	SH		SOLE		1,107,280	0	0
ANIKA THERAPEUTICS INC	COM	035255108	16,028,439	616,953	SH		OTR		0	616,953	0
ANIKA THERAPEUTICS INC	COM	035255108	2,140,648	82,396	SH		OTR		0	0	82,396
APPLE INC	COM	037833100	232,764	1,200	SH		OTR		0	0	1,200
BERKSHIRE HATHAWAY INC DEL	CL B NEW	084670702	1,244,650	3,650	SH		OTR		0	0	3,650
BRIGHTCOVE INC	COM	10921T101	18,209,117	4,540,927	SH		SOLE		4,540,927	0	0
BRIGHTCOVE INC	COM	10921T101	8,462,231	2,110,282	SH		OTR		0	2,110,282	0
BRIGHTCOVE INC	COM	10921T101	1,516,482	378,175	SH		OTR		0	0	378,175
CERENCE INC	COM	156727109	21,287,771	728,285	SH		SOLE		728,285	0	0
CERENCE INC	COM	156727109	11,851,245	405,448	SH		OTR		0	405,448	0
CERENCE INC	COM	156727109	1,422,039	48,650	SH		OTR		0	0	48,650
ENERGY RECOVERY INC	COM	29270J100	41,716,381	1,492,536	SH		SOLE		1,492,536	0	0
ENERGY RECOVERY INC	COM	29270J100	24,647,009	881,825	SH		OTR		0	881,825	0
ENERGY RECOVERY INC	COM	29270J100	3,189,039	114,098	SH		OTR		0	0	114,098
ENPRO INDS INC	COM	29355X107	6,911,112	51,757	SH		SOLE		51,757	0	0
ENPRO INDS INC	COM	29355X107	3,529,331	26,431	SH		OTR		0	26,431	0
ENPRO INDS INC	COM	29355X107	477,236	3,574	SH		OTR		0	0	3,574
EVERBRIDGE INC	COM	29978A104	862,791	32,074	SH		SOLE		32,074	0	0
EVERBRIDGE INC	COM	29978A104	443,662	16,493	SH		OTR		0	16,493	0
EVERBRIDGE INC	COM	29978A104	62,758	2,333	SH		OTR		0	0	2,333
GENTHERM INC	COM	37253A103	55,531,642	982,687	SH		SOLE		982,687	0	0
GENTHERM INC	COM	37253A103	30,867,853	546,237	SH		OTR		0	546,237	0
GENTHERM INC	COM	37253A103	4,434,340	78,470	SH		OTR		0	0	78,470
HACKETT GROUP INC	COM	404609109	25,361,372	1,134,737	SH		SOLE		1,134,737	0	0
HACKETT GROUP INC	COM	404609109	14,082,132	630,073	SH		OTR		0	630,073	0
HACKETT GROUP INC	COM	404609109	2,090,954	93,555	SH		OTR		0	0	93,555
HARMONIC INC	COM	413160102	69,131,326	4,275,283	SH		SOLE		4,275,283	0	0
HARMONIC INC	COM	413160102	38,292,436	2,368,116	SH		OTR		0	2,368,116	0
HARMONIC INC	COM	413160102	5,110,884	316,072	SH		OTR		0	0	316,072
MATERION CORP	COM	576690101	40,839,747	357,616	SH		SOLE		357,616	0	0
MATERION CORP	COM	576690101	23,403,920	204,938	SH		OTR		0	204,938	0
MATERION CORP	COM	576690101	3,038,405	26,606	SH		OTR		0	0	26,606
OOMA INC	COM	683416101	33,478,549	2,236,376	SH		SOLE		2,236,376	0	0
OOMA INC	COM	683416101	18,003,940	1,202,668	SH		OTR		0	1,202,668	0
OOMA INC	COM	683416101	2,513,418	167,897	SH		OTR		0	0	167,897
QUOTIENT TECHNOLOGY INC	COM	749119103	3,407,889	887,471	SH		SOLE		887,471	0	0
QUOTIENT TECHNOLOGY INC	COM	749119103	4,737,381	1,233,693	SH		OTR		0	1,233,693	0
QUOTIENT TECHNOLOGY INC	COM	749119103	840,876	218,978	SH		OTR		0	0	218,978
RED VIOLET INC	COM	75704L104	27,551,047	1,339,380	SH		SOLE		1,339,380	0	0
RED VIOLET INC	COM	75704L104	13,593,191	660,826	SH		OTR		0	660,826	0
RED VIOLET INC	COM	75704L104	2,088,678	101,540	SH		OTR		0	0	101,540
SHUTTERSTOCK INC	COM	825690100	11,943,715	245,402	SH		SOLE		245,402	0	0
SHUTTERSTOCK INC	COM	825690100	6,106,868	125,475	SH		OTR		0	125,475	0
SHUTTERSTOCK INC	COM	825690100	781,592	16,059	SH		OTR		0	0	16,059
SITIME CORP	COM	82982T106	7,315,909	62,015	SH		SOLE		62,015	0	0
SITIME CORP	COM	82982T106	6,140,221	52,049	SH		OTR		0	52,049	0
SITIME CORP	COM	82982T106	200,903	1,703	SH		OTR		0	0	1,703
SONOS INC	COM	83570H108	62,781,191	3,844,531	SH		SOLE		3,844,531	0	0
SONOS INC	COM	83570H108	34,483,783	2,111,683	SH		OTR		0	2,111,683	0
SONOS INC	COM	83570H108	4,989,191	305,523	SH		OTR		0	0	305,523
SURMODICS INC	COM	868873100	47,877,436	1,529,142	SH		SOLE		1,529,142	0	0
SURMODICS INC	COM	868873100	21,635,930	691,023	SH		OTR		0	691,023	0
SURMODICS INC	COM	868873100	4,325,007	138,135	SH		OTR		0	0	138,135
SYNAPTICS INC	COM	87157D109	71,495,675	837,382	SH		SOLE		837,382	0	0
SYNAPTICS INC	COM	87157D109	40,794,052	477,794	SH		OTR		0	477,794	0
SYNAPTICS INC	COM	87157D109	5,086,599	59,576	SH		OTR		0	0	59,576
TECHTARGET INC	COM	87874R100	34,304,606	1,101,979	SH		SOLE		1,101,979	0	0
TECHTARGET INC	COM	87874R100	18,835,736	605,067	SH		OTR		0	605,067	0
TECHTARGET INC	COM	87874R100	2,495,661	80,169	SH		OTR		0	0	80,169