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Shares Outstanding for Monolithic Power Systems (MPWR)

According to Monolithic Power Systems's latest reported financial statements, the company's latest reported diluted shares outstanding is 49.17M. Diluted weighted-average shares outstanding is the share count used to compute per-share metrics like EPS. Buybacks lower it; new issuance, stock-based compensation, and convertible securities raise it. Multiply by the stock price for market capitalization.

Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .

Latest period

49.17M

YoY change

-1.1%

5Y CAGR

+0.5%

Peak year (2024)

48.84M

Latest annual

48.31M

Shares Outstanding history chart for Monolithic Power Systems (MPWR) from 1999 to 2025

Shares Outstanding history table for Monolithic Power Systems (MPWR) from 1999 to 2025

Fiscal yearPeriod endedReportedShares OutstandingYoY
202548.31M-1.1%
202448.84M+0.1%
202348.77M+0.9%
202248.36M+1.0%
202147.89M+1.9%
202047.01M+2.7%
201945.76M+2.6%
201844.60M+2.3%
201743.58M+4.0%
201641.91M+2.6%
201540.87M+2.7%
201439.79M+3.0%
201338.62M+6.5%
201236.25M+3.1%
201135.16M-7.0%
201037.83M+3.3%
200936.63M+1.4%
200836.12M+2.9%
200735.09M+18.9%
200629.50M-4.4%
200530.87M+238.1%
20049.13M+48.7%
20036.14M+4.8%
20025.86M+3.2%
20015.68M+17.2%
20004.85M+3.1%
19994.70M

Shares Outstanding values are taken from Monolithic Power Systems's reported income statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.

Analysis

As of the 2025 fiscal year, Monolithic Power Systems (MPWR) reported diluted shares outstanding of 48.31M – edged down 1.1% year-over-year.

Monolithic Power Systems diluted shares outstanding has recorded the values shown across consecutive periods, with a +0.5% compound annual growth rate over 2020–2025 (5 years).

Monolithic Power Systems diluted shares outstanding edged down from 48.84M in 2024 to 48.31M in 2025, a 1.1% drawdown.

The dataset's maximum diluted shares outstanding sits at 48.84M (2024); the minimum reading of 4.70M dates to 1999.

Among 8 Technology peers, Monolithic Power Systems (MPWR) ranks 9th; the peer median for diluted shares outstanding is 5.02B.

Monolithic Power Systems Shares Outstanding by Year

Monolithic Power Systems Shares Outstanding 2025: 48.31M

Monolithic Power Systems diluted shares outstanding in 2025 was 48.31M, edged down 1.1% below 2024.

Monolithic Power Systems Shares Outstanding 2024: 48.84M

Monolithic Power Systems diluted shares outstanding in 2024 was 48.84M, edged up 0.1% from 2023. This figure represents the highest annual value in the available history.

Monolithic Power Systems Shares Outstanding 2023: 48.77M

Monolithic Power Systems diluted shares outstanding in 2023 was 48.77M, edged up 0.9% from 2022.

Monolithic Power Systems Shares Outstanding 2022: 48.36M

Monolithic Power Systems diluted shares outstanding in 2022 was 48.36M, edged up 1.0% from 2021.

Monolithic Power Systems Shares Outstanding 2021: 47.89M

Monolithic Power Systems diluted shares outstanding in 2021 was 47.89M.

See more financial history for Monolithic Power Systems (MPWR).

Sector peers — Shares Outstanding

Companies in the same sector as Monolithic Power Systems, ranked by their latest diluted shares outstanding.

CompanyShares OutstandingSector
NVIDIA Corporation (NVDA)24.43BTechnology
Apple Inc. (AAPL)15.00BTechnology
Microsoft Corporation (MSFT)7.46BTechnology
Taiwan Semiconductor Manufacturing Company Limited (TSM)5.19BTechnology
Broadcom Inc. (AVGO)4.85BTechnology
Advanced Micro Devices, Inc. (AMD)1.64BTechnology
Micron Technology, Inc. (MU)1.13BTechnology
ASML Holding N.V. (ASML)388.90MTechnology

Frequently asked questions

What is Monolithic Power Systems's diluted shares outstanding?

Latest reported diluted shares outstanding for Monolithic Power Systems (MPWR) is 49.17M (period ending December 31, 2025).

How has Monolithic Power Systems diluted shares outstanding changed year-over-year?

Monolithic Power Systems (MPWR) diluted shares outstanding changed -1.1% year-over-year on the latest annual filing.

What is the long-term growth rate of Monolithic Power Systems diluted shares outstanding?

Monolithic Power Systems (MPWR) diluted shares outstanding compound annual growth rate is +0.5% over the most recent 5 years available.

When did Monolithic Power Systems diluted shares outstanding hit its highest annual value?

Monolithic Power Systems diluted shares outstanding reached its highest annual value of 48.84M in 2024.

What was Monolithic Power Systems diluted shares outstanding in 2024?

Monolithic Power Systems (MPWR) diluted shares outstanding in 2024 was 48.84M.

What was Monolithic Power Systems diluted shares outstanding in 2025?

Monolithic Power Systems (MPWR) diluted shares outstanding in 2025 was 48.31M.

Metrics overview

Pick a metric for charts, filings, and peers — each row shows the latest TTM or annual value with year-over-year change.