AM
Amica Mutual Insurance Co
13F filer · CIK 0000857508Reported Aug 5, 2026
Net seller this quarter
13F portfolio value$1.2BU.S. long equity reported on 13F
Positions1293 new · 7 closed
Net flow last quarter-$58MBuys minus sells
Top 10 positions weight27.7%Concentration
Holdings
13F · last 4 quarters freeScroll for earlier quarters
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026Reported Aug 5, 2026129 positions | |||||
| $67.5M | 5.62% | 0.00% | -4.3% | Q4 2013 | |
| $51.4M | 4.28% | 0.00% | -4.3% | Q4 2013 | |
| $41.9M | 3.49% | 0.00% | -0.8% | Q4 2013 | |
| $37.5M | 3.12% | 0.00% | -4.3% | Q4 2015 | |
| $35M | 2.92% | 0.00% | -4.3% | Q1 2020 | |
| $24.5M | 2.04% | 0.00% | -11.5% | Q4 2013 | |
| $20.3M | 1.69% | 0.01% | -4.3% | Q4 2013 | |
| $18.6M | 1.55% | 0.00% | -4.3% | Q4 2013 | |
| $18.4M | 1.53% | Not reported | -4.3% | Q4 2018 | |
| $17.7M | 1.47% | 0.01% | -4.3% | Q4 2013 | |
| $16.8M | 1.40% | 0.00% | -4.3% | Q4 2013 | |
| $16.4M | 1.37% | Not reported | -4.3% | Q4 2013 | |
| $14.7M | 1.23% | 0.01% | -4.3% | Q1 2018 | |
| $14.5M | 1.21% | 0.01% | -4.3% | Q4 2013 | |
| $14M | 1.17% | 0.05% | +5.4% | Q2 2024 | |
| $13.8M | 1.15% | 0.01% | -4.3% | Q4 2013 | |
| $13.7M | 1.14% | 0.00% | -4.3% | Q4 2013 | |
| $12.3M | 1.02% | 0.10% | -3.7% | Q3 2014 | |
| $11.7M | 0.97% | 0.11% | -3.9% | Q3 2018 | |
| $11.7M | 0.97% | 0.00% | -28.8% | Q4 2017 | |
| $11.6M | 0.96% | 0.00% | -4.3% | Q3 2022 | |
| $11.4M | 0.95% | 0.00% | -4.3% | Q4 2013 | |
| $11.1M | 0.93% | 0.00% | -4.3% | Q1 2016 | |
| $10.4M | 0.87% | 0.00% | -4.3% | Q4 2013 | |
| $10.4M | 0.87% | Not reported | -4.3% | Q4 2015 | |
| $9.93M | 0.83% | 0.00% | -4.3% | Q4 2013 | |
| $9.87M | 0.82% | 0.01% | -11.9% | Q4 2013 | |
| $9.86M | 0.82% | 0.00% | -4.3% | Q3 2014 | |
| $9.11M | 0.76% | 0.00% | -4.3% | Q4 2013 | |
| $8.95M | 0.75% | 0.00% | -4.3% | Q3 2016 | |
| $8.57M | 0.71% | 0.00% | -4.3% | Q4 2013 | |
| $8.45M | 0.70% | 0.01% | +8.7% | Q4 2013 | |
| $8.11M | 0.68% | 0.00% | -4.3% | Q4 2016 | |
| $7.56M | 0.63% | 0.02% | -4.3% | Q2 2019 | |
| $7.26M | 0.60% | 0.00% | -13.6% | Q4 2021 | |
| $7.11M | 0.59% | 0.10% | -12.8% | Q2 2019 | |
| $7.07M | 0.59% | 0.01% | -4.3% | Q4 2013 | |
| $7.07M | 0.59% | 0.00% | -4.3% | Q4 2013 | |
| $6.87M | 0.57% | 0.00% | -4.3% | Q4 2013 | |
| $6.8M | 0.57% | 0.00% | -4.3% | Q4 2013 | |
| $6.77M | 0.56% | 0.07% | +1.2% | Q4 2023 | |
| $6.73M | 0.56% | 0.00% | -4.3% | Q4 2013 | |
| $6.57M | 0.55% | 0.05% | -2.2% | Q1 2023 | |
| $6.43M | 0.54% | 0.00% | -4.3% | Q4 2013 | |
| $5.98M | 0.50% | 0.03% | -1.9% | Q3 2016 | |
| $5.87M | 0.49% | 0.00% | -4.3% | Q2 2016 | |
| $5.74M | 0.48% | 0.01% | -4.3% | Q3 2019 | |
| $5.57M | 0.46% | 0.00% | -4.3% | Q3 2024 | |
| $5.46M | 0.45% | 0.00% | +39.2% | Q1 2026 | |
| $5.15M | 0.43% | 0.01% | +43.5% | Q1 2026 | |
| Q1 2026Reported May 6, 2026133 positions | |||||
| $61.4M | 5.28% | 0.00% | +3.2% | Q4 2013 | |
| $47.1M | 4.05% | 0.00% | Not reported | Q4 2013 | |
| $41.9M | 3.60% | 0.00% | -1.8% | Q4 2013 | |
| $32M | 2.75% | 0.00% | Not reported | Q1 2020 | |
| $31.5M | 2.71% | 0.00% | Not reported | Q4 2015 | |
| $19.5M | 1.68% | Not reported | Not reported | Q4 2018 | |
| $16.9M | 1.45% | 0.02% | Not reported | Q4 2013 | |
| $16.5M | 1.41% | Not reported | Not reported | Q4 2013 | |
| $15.4M | 1.32% | 0.00% | +10.5% | Q4 2013 | |
| $15M | 1.28% | 0.01% | Not reported | Q4 2017 | |
| $14.9M | 1.28% | 0.00% | Not reported | Q4 2013 | |
| $14.8M | 1.27% | 0.00% | Not reported | Q4 2013 | |
| $13.9M | 1.19% | 0.00% | +6.1% | Q4 2013 | |
| $13.7M | 1.18% | 0.11% | Not reported | Q3 2018 | |
| $13.7M | 1.17% | 0.01% | Not reported | Q4 2013 | |
| $12.9M | 1.10% | 0.01% | Not reported | Q4 2013 | |
| $11.4M | 0.98% | 0.10% | +15.1% | Q3 2014 | |
| $11M | 0.95% | 0.01% | Not reported | Q1 2018 | |
| $10.9M | 0.93% | 0.01% | Not reported | Q4 2013 | |
| $10.5M | 0.90% | 0.00% | Not reported | Q4 2013 | |
| $10.4M | 0.89% | 0.01% | Not reported | Q4 2013 | |
| $10.3M | 0.88% | 0.00% | Not reported | Q4 2013 | |
| $9.86M | 0.85% | 0.01% | Not reported | Q4 2013 | |
| $9.53M | 0.82% | 0.00% | Not reported | Q1 2016 | |
| $9.37M | 0.81% | 0.00% | Not reported | Q4 2013 | |
| $9.33M | 0.80% | 0.00% | +30.2% | Q4 2013 | |
| $8.97M | 0.77% | 0.00% | Not reported | Q4 2016 | |
| $8.95M | 0.77% | 0.00% | Not reported | Q4 2013 | |
| $8.87M | 0.76% | 0.02% | +15.5% | Q2 2019 | |
| $8.81M | 0.76% | Not reported | Not reported | Q4 2015 | |
| $8.68M | 0.75% | 0.05% | Not reported | Q2 2024 | |
| $8.55M | 0.73% | 0.00% | -25.6% | Q3 2022 | |
| $8.55M | 0.73% | 0.00% | Not reported | Q4 2021 | |
| $8.18M | 0.70% | 0.17% | +1.4% | Q2 2023 | |
| $7.92M | 0.68% | 0.01% | Not reported | Q4 2013 | |
| $7.86M | 0.68% | 0.05% | +23.1% | Q1 2023 | |
| $7.68M | 0.66% | 0.07% | Not reported | Q4 2023 | |
| $7.62M | 0.65% | 0.01% | Not reported | Q4 2013 | |
| $7.24M | 0.62% | 0.00% | Not reported | Q4 2013 | |
| $7.2M | 0.62% | 0.01% | +20.8% | Q4 2013 | |
| $7.03M | 0.60% | 0.00% | Not reported | Q4 2013 | |
| $6.7M | 0.58% | 0.00% | Not reported | Q3 2014 | |
| $6.43M | 0.55% | 0.12% | Not reported | Q2 2019 | |
| $6.41M | 0.55% | 0.03% | +1.7% | Q3 2016 | |
| $6.4M | 0.55% | 0.01% | Not reported | Q2 2016 | |
| $6.35M | 0.55% | 0.00% | +41.6% | Q4 2013 | |
| $6.3M | 0.54% | 0.00% | -11.6% | Q1 2022 | |
| $6.2M | 0.53% | 0.09% | -34.7% | Q3 2015 | |
| $6.13M | 0.53% | 0.05% | +480.1% | Q3 2024 | |
| $5.96M | 0.51% | 0.05% | Not reported | Q1 2021 | |
| Q4 2025Reported Feb 10, 2026132 positions | |||||
| $63.7M | 5.54% | 0.00% | Not reported | Q4 2013 | |
| $55.7M | 4.85% | 0.00% | Not reported | Q4 2013 | |
| $50.5M | 4.39% | 0.00% | Not reported | Q4 2013 | |
| $35.4M | 3.08% | 0.00% | -4.3% | Q1 2020 | |
| $34.3M | 2.98% | 0.00% | Not reported | Q4 2015 | |
| $22.5M | 1.96% | Not reported | -13.2% | Q4 2018 | |
| $17.4M | 1.51% | 0.00% | Not reported | Q4 2013 | |
| $17.3M | 1.50% | Not reported | Not reported | Q4 2013 | |
| $16.6M | 1.44% | 0.02% | Not reported | Q4 2013 | |
| $16.2M | 1.41% | 0.00% | Not reported | Q4 2013 | |
| $15M | 1.30% | 0.00% | Not reported | Q4 2013 | |
| $14.5M | 1.26% | 0.01% | +8.5% | Q4 2017 | |
| $12.6M | 1.09% | 0.11% | +17.8% | Q3 2018 | |
| $12.3M | 1.07% | 0.01% | Not reported | Q4 2013 | |
| $11.8M | 1.03% | 0.01% | Not reported | Q1 2018 | |
| $10.9M | 0.95% | 0.01% | Not reported | Q4 2013 | |
| $10.6M | 0.93% | 0.01% | Not reported | Q4 2013 | |
| $10.5M | 0.91% | 0.00% | Not reported | Q4 2013 | |
| $10.3M | 0.90% | 0.00% | -12.8% | Q3 2022 | |
| $10.2M | 0.89% | 0.09% | Not reported | Q3 2014 | |
| $10.1M | 0.88% | 0.00% | +26.6% | Q4 2013 | |
| $10.1M | 0.88% | 0.00% | Not reported | Q1 2022 | |
| $9.77M | 0.85% | 0.15% | Not reported | Q3 2015 | |
| $9.64M | 0.84% | Not reported | Not reported | Q4 2015 | |
| $9.3M | 0.81% | 0.00% | +8.4% | Q4 2013 | |
| $9.22M | 0.80% | 0.17% | +60.9% | Q2 2023 | |
| $8.86M | 0.77% | 0.07% | +60.4% | Q4 2023 | |
| $8.85M | 0.77% | 0.00% | Not reported | Q4 2013 | |
| $8.81M | 0.77% | 0.01% | Not reported | Q4 2013 | |
| $8.55M | 0.74% | 0.01% | Not reported | Q4 2013 | |
| $8.54M | 0.74% | 0.00% | Not reported | Q4 2013 | |
| $8.47M | 0.74% | 0.04% | +88.8% | Q1 2023 | |
| $8.18M | 0.71% | 0.00% | Not reported | Q3 2014 | |
| $8.12M | 0.71% | 0.00% | -14.2% | Q4 2021 | |
| $8.06M | 0.70% | 0.00% | +31.6% | Q4 2013 | |
| $8.03M | 0.70% | 0.02% | +141.7% | Q2 2019 | |
| $7.95M | 0.69% | 0.00% | Not reported | Q4 2013 | |
| $7.87M | 0.68% | 0.01% | +30.4% | Q2 2016 | |
| $7.84M | 0.68% | 0.00% | Not reported | Q4 2013 | |
| $7.82M | 0.68% | 0.00% | Not reported | Q4 2013 | |
| $7.75M | 0.67% | 0.00% | Not reported | Q4 2016 | |
| $7.29M | 0.63% | 0.01% | +75.5% | Q4 2013 | |
| $7.22M | 0.63% | 0.03% | Not reported | Q3 2016 | |
| $6.91M | 0.60% | 0.05% | +59.8% | Q1 2021 | |
| $6.6M | 0.57% | 0.00% | Not reported | Q4 2013 | |
| $6.58M | 0.57% | 0.01% | +16.3% | Q4 2013 | |
| $6.24M | 0.54% | 0.05% | -19.4% | Q2 2024 | |
| $6.1M | 0.53% | 0.00% | Not reported | Q4 2013 | |
| $5.85M | 0.51% | 0.02% | Not reported | Q2 2020 | |
| $5.49M | 0.48% | 0.12% | Not reported | Q2 2019 | |
| Q3 2025Reported Nov 7, 2025131 positions | |||||
| $63.7M | 5.85% | 0.00% | Not reported | Q4 2013 | |
| $59.7M | 5.48% | 0.00% | -3.7% | Q4 2013 | |
| $47.3M | 4.34% | 0.00% | -1.6% | Q4 2013 | |
| $35.2M | 3.23% | 0.00% | Not reported | Q1 2020 | |
| $28.9M | 2.65% | Not reported | Not reported | Q4 2018 | |
| $26.6M | 2.45% | 0.00% | Not reported | Q4 2015 | |
| $17.3M | 1.58% | Not reported | Not reported | Q4 2013 | |
| $15.8M | 1.45% | 0.00% | Not reported | Q4 2013 | |
| $14.9M | 1.37% | 0.00% | Not reported | Q4 2013 | |
| $14.3M | 1.31% | 0.02% | -8.5% | Q4 2013 | |
| $13.5M | 1.24% | 0.01% | Not reported | Q4 2017 | |
| $12.5M | 1.15% | 0.01% | Not reported | Q4 2013 | |
| $12.3M | 1.13% | 0.00% | +14.4% | Q4 2013 | |
| $11.1M | 1.02% | 0.09% | +18.9% | Q3 2018 | |
| $10.9M | 1.00% | 0.00% | -7.4% | Q3 2022 | |
| $10.8M | 0.99% | 0.01% | Not reported | Q1 2018 | |
| $10.8M | 0.99% | 0.01% | Not reported | Q4 2013 | |
| $9.85M | 0.90% | 0.00% | Not reported | Q4 2013 | |
| $9.56M | 0.88% | 0.09% | Not reported | Q3 2014 | |
| $9.38M | 0.86% | 0.15% | Not reported | Q3 2015 | |
| $9.33M | 0.86% | 0.01% | Not reported | Q4 2013 | |
| $9.2M | 0.84% | 0.00% | Not reported | Q4 2013 | |
| $9.04M | 0.83% | 0.00% | Not reported | Q1 2022 | |
| $8.64M | 0.79% | 0.00% | -8.0% | Q4 2021 | |
| $8.56M | 0.79% | 0.01% | -15.3% | Q4 2013 | |
| $8.56M | 0.79% | 0.00% | Not reported | Q3 2014 | |
| $8.52M | 0.78% | 0.00% | -17.9% | Q4 2013 | |
| $8.49M | 0.78% | 0.06% | Not reported | Q2 2024 | |
| $8.2M | 0.75% | 0.00% | Not reported | Q4 2013 | |
| $7.96M | 0.73% | 0.00% | +24.3% | Q4 2013 | |
| $7.93M | 0.73% | 0.00% | Not reported | Q4 2013 | |
| $7.68M | 0.71% | 0.00% | -10.2% | Q4 2013 | |
| $7.59M | 0.70% | 0.01% | -9.8% | Q4 2013 | |
| $7.48M | 0.69% | Not reported | Not reported | Q4 2015 | |
| $7.29M | 0.67% | 0.00% | Not reported | Q4 2016 | |
| $7.15M | 0.66% | 0.00% | Not reported | Q4 2013 | |
| $7.05M | 0.65% | 0.03% | Not reported | Q3 2016 | |
| $6.72M | 0.62% | 0.00% | Not reported | Q4 2013 | |
| $6.23M | 0.57% | 0.10% | -2.2% | Q2 2023 | |
| $6.18M | 0.57% | 0.00% | Not reported | Q4 2013 | |
| $6.12M | 0.56% | 0.02% | Not reported | Q2 2020 | |
| $5.63M | 0.52% | 0.00% | Not reported | Q4 2013 | |
| $5.62M | 0.52% | 0.00% | Not reported | Q2 2016 | |
| $5.4M | 0.50% | 0.12% | Not reported | Q2 2019 | |
| $5.17M | 0.47% | 0.02% | +15.4% | Q1 2023 | |
| $5.14M | 0.47% | 0.00% | -15.7% | Q4 2013 | |
| $5.06M | 0.46% | 0.01% | -18.5% | Q4 2013 | |
| $4.92M | 0.45% | 0.00% | -12.3% | Q4 2013 | |
| $4.84M | 0.44% | 0.04% | Not reported | Q2 2023 | |
| $4.79M | 0.44% | 0.01% | Not reported | Q4 2013 | |
Premium opens every quarter this fund has filed