Martin Marietta Materials shares owned by Amica Mutual Insurance Company
Quarter-by-quarter ownership of Martin Marietta Materials (MLM) shares owned by Amica Mutual Insurance Company
from 13F filings
Historical chart of Amica Mutual Insurance Company investment in Martin Marietta Materials
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Quarterly reported holdings in Martin Marietta Materials by Amica Mutual Insurance Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $3.7M | 5.8k | 630.29 |
| 2025-06-30 | $3.2M | 5.8k | 548.91 |
| 2025-03-31 | $5.2M | 11k | 478.12 |
| 2024-12-31 | $5.2M | 10k | 516.52 |
| 2024-09-30 | $8.8M | 16k | 538.23 |
| 2024-06-30 | $8.9M | 16k | 541.78 |
| 2024-03-31 | $11M | 18k | 613.97 |
| 2023-12-31 | $8.7M | 18k | 498.89 |
| 2023-09-30 | $7.2M | 18k | 410.45 |
| 2023-06-30 | $8.1M | 18k | 461.69 |
| 2023-03-31 | $6.8M | 19k | 355.05 |
| 2022-12-31 | $4.8M | 14k | 337.94 |
| 2022-09-30 | $6.4M | 20k | 322.09 |
| 2022-06-30 | $6.1M | 21k | 299.23 |
| 2022-03-31 | $6.0M | 16k | 384.90 |
| 2021-12-31 | $7.4M | 17k | 440.53 |
| 2021-09-30 | $6.3M | 19k | 341.70 |
| 2021-06-30 | $6.5M | 19k | 351.82 |
| 2021-03-31 | $4.3M | 13k | 335.82 |
| 2020-12-31 | $2.1M | 7.5k | 283.95 |
| 2020-09-30 | $860k | 3.7k | 235.42 |
| 2020-06-30 | $755k | 3.7k | 206.68 |
| 2020-03-31 | $691k | 3.7k | 189.16 |
| 2019-12-31 | $556k | 2.0k | 279.54 |
| 2019-09-30 | $545k | 2.0k | 274.01 |
| 2019-06-30 | $458k | 2.0k | 230.27 |
| 2019-03-31 | $400k | 2.0k | 201.11 |
| 2018-12-31 | $342k | 2.0k | 171.95 |
More positions owned by Amica Mutual Insurance Company
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