Trigran Investments, Inc.
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 12, 2025), Trigran Investments, Inc. reported 17 stock positions worth $551.6 million. Its top holding was Materion (MTRN) at 10.9% of the portfolio, followed by Gentherm (THRM, 10.8%) and Mimedx (MDXG, 9.7%). Compared with Q2 2025, it opened 1 new position, added to 3 and reduced 12. The biggest buy was Barrett Business SVCS (BBSI, shares +121%) and the biggest sale Ooma (OOMA, shares −26%).
- Most Recent 13F
- Q2 2026
- Location
- NORTHBROOK, IL
- CIK
- 0001336800
- Portfolio Value
- $551.6M (Q3 2025)
- SEC Filing
- 0001062993-25-016675 ↗ filed Nov 12, 2025
Holdings Value
Holdings 17 stocks · $551.6M
| MTRN Materion Corp. | 10.90% | 497,729 | $60.1M | Reduce -37.7% |
| THRM Gentherm Inc. | 10.80% | 1,749,467 | $59.6M | Reduce -20.3% |
| MDXG Mimedx Group Inc. | 9.74% | 7,701,028 | $53.8M | Reduce -8.2% |
| SONO Sonos Inc. | 8.60% | 3,002,734 | $47.4M | Reduce -31.8% |
| EXTR Extreme Networks Inc. | 8.21% | 2,192,401 | $45.3M | Reduce -5.6% |
| SYNA Synaptics Inc. | 8.19% | 661,437 | $45.2M | Reduce -24.7% |
| NPO Enpro Inc. | 7.34% | 179,047 | $40.5M | Reduce -8.0% |
| HLIT Harmonic Inc. | 5.94% | 3,221,401 | $32.8M | Reduce -10.3% |
| RDVT Red Violet Inc. | 5.84% | 616,554 | $32.2M | Reduce -1.5% |
| TTGT Techtarget Inc. | 5.28% | 5,013,868 | $29.1M | Add +0.8% |
| HAYW Hayward Holdings Inc. | 5.15% | 1,879,312 | $28.4M | No change |
| OOMA Ooma Inc. | 4.85% | 2,229,212 | $26.7M | Reduce -25.9% |
| BBSI Barrett Business SVCS Inc. | 3.21% | 399,686 | $17.7M | Add +121.3% |
| ANIK Anika Therapeutics Inc. | 2.76% | 1,621,215 | $15.2M | Reduce -20.4% |
| HCKT The Hackett Group Inc. | 2.74% | 796,403 | $15.1M | Add +17.9% |
| CNM Core & Main Inc. Class A | 0.22% | 22,525 | $1.2M | New |
| BRK.B Berkshire Hathaway Inc. Class B | 0.22% | 2,400 | $1.2M | Reduce -4.0% |
Portfolio Sells Q2 2025 → Q3 2025
| OOMA Ooma Inc. | Reduce -25.9% | 4.85% | −1.89 |
| SYNA Synaptics Inc. | Reduce -24.7% | 8.19% | −1.69 |
| ANIK Anika Therapeutics Inc. | Reduce -20.4% | 2.76% | −0.98 |
| MTRN Materion Corp. | Reduce -37.7% | 10.90% | −0.11 |
| BRK.B Berkshire Hathaway Inc. Class B | Reduce -4.0% | 0.22% | +0.01 |
| THRM Gentherm Inc. | Reduce -20.3% | 10.80% | +0.02 |
| HLIT Harmonic Inc. | Reduce -10.3% | 5.94% | +0.04 |
| SONO Sonos Inc. | Reduce -31.8% | 8.60% | +0.33 |
| RDVT Red Violet Inc. | Reduce -1.5% | 5.84% | +0.49 |
| MDXG Mimedx Group Inc. | Reduce -8.2% | 9.74% | +0.84 |
| NPO Enpro Inc. | Reduce -8.0% | 7.34% | +0.86 |
| EXTR Extreme Networks Inc. | Reduce -5.6% | 8.21% | +0.97 |
Portfolio Buys Q2 2025 → Q3 2025
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 17 | $545.3M | MTRN, NPO, SYNA, EXTR, THRM |
| Q1 2026 | 17 | $418.2M | MTRN, SYNA, EXTR, NPO, THRM |
| Q4 2025 | 17 | $507.6M | MTRN, THRM, SYNA, SONO, MDXG |
| Q3 2025 | 17 | $551.6M | MTRN, THRM, MDXG, SONO, EXTR |
| Q2 2025Amended | 16 | $575.9M | MTRN, THRM, SYNA, MDXG, SONO |
| Q1 2025 | 16 | $679.6M | SYNA, TTGT, MTRN, THRM, MDXG |
| Q4 2024 | 18 | $869.5M | SYNA, THRM, TTGT, MDXG, MTRN |
| Q3 2024 | 20 | $913.5M | TTGT, THRM, HLIT, MTRN, SYNA |
| Q2 2024 | 20 | $956.3M | TTGT, THRM, SYNA, MTRN, HLIT |
| Q1 2024 | 20 | $1.0B | SONO, SYNA, THRM, HLIT, MTRN |