Amica Mutual Insurance Company filed its Form 13F-HR with the Securities and Exchange Commission on November 10, 2026, disclosing its equity securities holdings as of the close of business on September 30, 2026. The filing lists Jen Morrison, Senior Vice President, General Counsel, and Secretary, as the authorized representative responsible for the report.

The disclosure details a portfolio of 140 individual equity securities. The largest position in the portfolio is NVIDIA Corporation, with 78,992 shares valued at $345,881. Microsoft Corporation is the second-largest holding, with 57,567 shares valued at $112,239. Other significant holdings include Apple Inc. (59,211 shares), Taiwan Semiconductor Manufacturing Company (12,050 shares), and Eli Lilly & Co. (17,923 shares).

The portfolio also includes substantial positions in exchange-traded funds (ETFs). The top ETF holding is the iShares Core MSCI Total International Stock ETF, with 292,936 shares valued at $3,083,208. Other notable ETF holdings include the iShares Core MSCI Emerging Markets ETF (9,319 shares valued at $114,821) and the Select Sector SPDR Trust – Utilities ETF (3,920 shares valued at $99,389).

The filing indicates that all positions are held in a discretionary manner, with sole voting and dispositive power over the shares. The total number of shares reported for all positions is 3,083,208.