Why Monolithic Power Systems, Inc. (MPWR) stock moved
Monolithic Power Systems, Inc. (MPWR) shares climbed 6.8% to $1,328.30 as of November 4, 2026, a significant gain from the prior close of $1,243.95. BestStocks flagged the session as a major change for MPWR. The move is tied to a new SEC filing. Below, we break down what changed for MPWR, why it matters for investors, how the stock reacted, and the catalysts on the calendar.
SEC Filing
MPWR climbed 6.8% in its latest session, moving from $1,243.95 to $1,328.30.
What it means for Monolithic Power Systems, Inc. investors
For Monolithic Power Systems, Inc. investors, the balance of recent signals points to a bullish shift. On the constructive side: Strong 6.8% price move with conviction; Positive price momentum. Weighing against that: New SEC filing — review for material disclosures. Wall Street's consensus price target sits at $1,810.50, implying +36.3% upside from $1,328.30. Over the past 90 days analysts logged 1 upgrade and 0 downgrades. BestStocks rates the overall signal quality medium (71/100). With earnings roughly 92 days out, the next report is the most likely near-term test of the move.
MPWR price reaction
MPWR last traded at $1,328.30, up $84.35 (+6.78%) from the previous close of $1,243.95. The session traded on 1.6× average volume (above avg), so the move carried above-average conviction.
Bullish and bearish analyst opinions on Monolithic Power Systems, Inc. (MPWR)
The consensus analyst price target on Monolithic Power Systems, Inc. (MPWR) is $1,810.50, 36.3% above the recent $1,328.30. Over the past 90 days analysts logged 1 upgrade, 4 maintains, and 0 downgrades. Here is how the bullish and bearish cases on MPWR line up.
The bullish case
- Wall Street's consensus price target of $1,810.50 implies +36.3% upside from $1,328.30.
- The Street's most bullish target is $2,100.00 (+58.1%).
- 1 analyst upgrade in the past 90 days, most recently Rosenblatt to Buy (2026-10-30).
- Strong 6.8% price move with conviction.
- Positive price momentum.
The bearish case
- The bearish case is comparatively thin on recent signals; the main risk is that the climb toward the $1,810.50 consensus target has to be earned, and any of the risks BestStocks tracks could weigh on the shares.
Weighing both sides, BestStocks' composite read of recent signals is bullish, as the bull-versus-bear meter above shows. This is an educational summary of the bull and bear case, not investment advice.
Analyst price targets and ratings are FMP consensus figures as of Nov 3, 2026; other aggregators may differ. High and low targets show the range of estimates, not forecasts.
Previous notable changes for MPWR
Frequently asked questions about MPWR
Why did Monolithic Power Systems, Inc. (MPWR) stock move?
MPWR climbed 6.8% to $1,328.30. No single company-specific catalyst was confirmed during the move window, and it looks technical.
How much did MPWR stock rise?
MPWR gained 6.78% ($84.35) versus the prior close of $1,243.95, last trading at $1,328.30 on 1.6× average volume.
When is Monolithic Power Systems, Inc.'s next earnings date?
MPWR's next earnings report is estimated for 2027-02-04 — about 92 days away.
What is the analyst price target for MPWR?
The consensus analyst price target for MPWR is $1,810.50, about 36.3% above the current $1,328.30. Over the past 90 days, analysts recorded 1 upgrade, 4 maintains, and 0 downgrades.
How BestStocks tracks MPWR
This page is generated automatically by BestStocks' change-detection system after a new SEC filing was detected and verified against independent data sources. It draws on 20 tracked change events for MPWR, cross-checked against the data sources listed below. Price, volume, and market-capitalization figures are the live intraday quote as of November 4, 2026 and refresh as new information is detected; for companies with multiple share classes, market-cap figures can differ by data source. Analyst price targets and ratings are FMP consensus. This is an educational summary of what changed and why — not personalized investment advice.