Jeremy Grantham's MPWR Position Overview
Jeremy Grantham (via Grantham, Mayo, Van Otterloo & Co. LLC) currently holds 1,518 shares of Monolithic Power Systems, Inc. (MPWR) worth $1.66 M, representing 0.00% of the portfolio. First purchased in 2025-Q3, this short-term holding has been held for 3 quarters.
Based on 13F filings, Jeremy Grantham has maintained this position in MPWR for several quarters, showing initial confidence in the investment. Largest addition occurred in Q4 2025, adding 79 shares.
Analysis based on 13F filings available since 2013 Q2
Jeremy Grantham's Monolithic Power Systems (MPWR) Holding Value Over Time
Track share changes against reported price movement
Quarterly Monolithic Power Systems (MPWR) Trades by Jeremy Grantham
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +31 | Add 2.08% | 1,518 | $1093.35 |
| Q4 2025 | +79 | Add 5.61% | 1,487 | $906.36 |
| Q3 2025 | +1,408 | New Buy | 1,408 | $920.64 |
Jeremy Grantham's Monolithic Power Systems Investment FAQs
Jeremy Grantham first purchased Monolithic Power Systems, Inc. (MPWR) in Q3 2025, acquiring 1,408 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Jeremy Grantham has held Monolithic Power Systems, Inc. (MPWR) for 3 quarters since Q3 2025.
Jeremy Grantham's largest addition to Monolithic Power Systems, Inc. (MPWR) was in Q3 2025, adding 1,408 shares worth $1.3 M.
According to the latest 13F filing for Q1 2026, Jeremy Grantham's firm, Grantham, Mayo, Van Otterloo & Co. LLC, owns 1,518 shares of Monolithic Power Systems, Inc. (MPWR), valued at approximately $1.66 M.
As of the Q1 2026 filing, Monolithic Power Systems, Inc. (MPWR) represents approximately 0.00% of Jeremy Grantham's publicly disclosed stock portfolio, making it one of their key holdings.
Jeremy Grantham's peak holding in Monolithic Power Systems, Inc. (MPWR) was 1,518 shares, as reported at the end of Q1 2026.