Jefferies Group's MPWR Position Overview
Jefferies Group (via Jefferies Financial Group Inc.) currently holds 2,246 shares of Monolithic Power Systems, Inc. (MPWR) worth $2.07 M, representing 0.01% of the portfolio. First purchased in 2023-Q1, this medium-term investment has been held for 9 quarters.
Based on 13F filings, Jefferies Group has maintained a strategic position in MPWR, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2023, adding 25,297 shares. Largest reduction occurred in Q3 2023, reducing 29,297 shares.
Analysis based on 13F filings available since 2013 Q2
Jefferies Group's Monolithic Power Systems (MPWR) Holding Value Over Time
Track share changes against reported price movement
Quarterly Monolithic Power Systems (MPWR) Trades by Jefferies Group
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2023 | +4,000 | New Buy | 4,000 | $500.54 |
| Q2 2023 | +25,297 | Add 632.42% | 29,297 | $540.23 |
| Q3 2023 | -29,297 | Sold Out | 0 | $0.00 |
| Q1 2024 | +1,627 | New Buy | 1,627 | $677.42 |
| Q2 2024 | +2,221 | Add 136.51% | 3,848 | $821.68 |
| Q3 2024 | -3,072 | Reduce 79.83% | 776 | $924.50 |
| Q4 2024 | -74 | Reduce 9.54% | 702 | $591.70 |
| Q1 2025 | -702 | Sold Out | 0 | $0.00 |
| Q3 2025 | +2,246 | New Buy | 2,246 | $920.64 |
Jefferies Group's Monolithic Power Systems Investment FAQs
Jefferies Group first purchased Monolithic Power Systems, Inc. (MPWR) in Q1 2023, acquiring 4,000 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Jefferies Group has held Monolithic Power Systems, Inc. (MPWR) for 9 quarters since Q1 2023.
Jefferies Group's largest addition to Monolithic Power Systems, Inc. (MPWR) was in Q2 2023, adding 29,297 shares worth $15.83 M.
According to the latest 13F filing for Q3 2025, Jefferies Group's firm, Jefferies Financial Group Inc., owns 2,246 shares of Monolithic Power Systems, Inc. (MPWR), valued at approximately $2.07 M.
As of the Q3 2025 filing, Monolithic Power Systems, Inc. (MPWR) represents approximately 0.01% of Jefferies Group's publicly disclosed stock portfolio, making it one of their key holdings.
Jefferies Group's peak holding in Monolithic Power Systems, Inc. (MPWR) was 29,297 shares, as reported at the end of Q2 2023.