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Trigran Investments, Inc.

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13F filer, CIK 1336800, NORTHBROOK, IL

Trigran Investments, Inc. reported $679,645,907 across 16 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-13. Its ten largest share positions make up 81.16% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001062993-25-009264

Period
2025-03-31
Reported value
$680M
Holdings
16
Top 10 weight
81.16%
New
1
Sold out
3

Largest buys vs the previous quarter

SecurityShares changeApprox. value
TTGTadded+767,327$11.4M
SONOadded+1,017,223$10.9M
EXTRadded+722,121$9.55M
THRMadded+219,450$5.87M
NABLnew+700,030$4.96M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
CALXexited-721,648-$25.2M
FROGexited-821,250-$24.2M
Surmodics Incexited-368,215-$14.6M
RDVTreduced-386,554-$14.5M
HLITreduced-887,626-$8.51M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2025

Share positions as resolved from 13F-HR 0001062993-25-009264, largest first. % of portfolio is the value over $679,645,907, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
SYNASYNAPTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,012,575 shares; 2024Q4: 1,072,222 shares; 2025Q1: 1,130,733 shares 1,130,733$72.1M10.6%+58,511Timeline
TTGTTECHTARGET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 3,759,509 shares; 2025Q1: 4,526,836 shares 4,526,836$67M9.86%+767,327Timeline
MTRNMATERION CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 714,622 shares; 2024Q4: 737,830 shares; 2025Q1: 794,765 shares 794,765$64.9M9.54%+56,935Timeline
THRMGENTHERM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,855,480 shares; 2024Q4: 1,990,938 shares; 2025Q1: 2,210,388 shares 2,210,388$59.1M8.7%+219,450Timeline
MDXGMIMEDX GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 7,690,369 shares; 2024Q4: 7,621,517 shares; 2025Q1: 7,599,557 shares 7,599,557$57.8M8.5%-21,960Timeline
SONOSONOS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 4,817,635 shares; 2024Q4: 4,231,712 shares; 2025Q1: 5,248,935 shares 5,248,935$56M8.24%+1,017,223Timeline
RDVTRED VIOLET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,911,987 shares; 2024Q4: 1,595,399 shares; 2025Q1: 1,208,845 shares 1,208,845$45.4M6.69%-386,554Timeline
NPOENPRO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 288,765 shares; 2024Q4: 283,906 shares; 2025Q1: 278,246 shares 278,246$45M6.62%-5,660Timeline
OOMAOOMA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,824,279 shares; 2024Q4: 3,487,277 shares; 2025Q1: 3,302,007 shares 3,302,007$43.2M6.36%-185,270Timeline
EXTREXTREME NETWORKS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,289,817 shares; 2024Q4: 2,384,325 shares; 2025Q1: 3,106,446 shares 3,106,446$41.1M6.05%+722,121Timeline
HLITHARMONIC INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 5,675,945 shares; 2024Q4: 4,979,294 shares; 2025Q1: 4,091,668 shares 4,091,668$39.2M5.77%-887,626Timeline
ANIKANIKA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,124,460 shares; 2024Q4: 2,021,778 shares; 2025Q1: 2,041,853 shares 2,041,853$30.7M4.52%+20,075Timeline
HAYWHAYWARD HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,365,427 shares; 2024Q4: 2,400,037 shares; 2025Q1: 2,064,096 shares 2,064,096$28.7M4.23%-335,941Timeline
HCKTHACKETT GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,078,837 shares; 2024Q4: 877,554 shares; 2025Q1: 778,615 shares 778,615$22.8M3.35%-98,939Timeline
NABLN-ABLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 700,030 shares 700,030$4.96M0.73%newTimeline
BRK-BBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,150 shares; 2024Q4: 3,150 shares; 2025Q1: 3,150 shares 3,150$1.68M0.25%0Timeline

Sold out in Q1 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
CALXCALIX INC721,648$25.2Mshares
FROGJFROG LTD821,250$24.2Mshares
Surmodics IncSurmodics Inc368,215$14.6Mshares

How Q1 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001062993-25-009264 base2025-05-13acceptance time not in the bulk data set