Main Street Research LLC - Q42025 Holdings

Main Street Research LLC holds 129 stocks with a total portfolio value of $ 1.75B as of Q42025. In Q42025, Main Street Research LLC added 17 new positions, increased stakes in 25 stocks, reduced 77 holdings, and fully exited 17 positions. The largest holding is Nvidia Corporation (NVDA), representing 6.36% of the total portfolio.