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NASDAQ · US · Semiconductors

MPWR Monolithic Power Systems

Voltage regulation for accelerators

Tight but sold off Its supply chain is tightening but the stock is below its 50-day average — price and fundamentals disagree. (automatic: supply-chain trend + price vs 50-day average)
Last close (delayed) · 2026-10-26
$1,171.6
+2.77% today
1W
−6.5%
1M
−14.2%
3M
−8.5%
YTD
+29.9%
1Y
+9.7%
Off 52w high
−30.5%
Next earnings (est.): 2026-10-29
Market cap$56.03B
P/E (trailing)69.3Forward 32.3
EV / sales17.1×EV/EBITDA 56.0×
Revenue (TTM)$3.27BGrowth 47.6% y/y
Margins55.2%gross · op 31.0%
Free cash flow$444MCash $1.41B · debt $18.93M
Analyst target$1,799.8+53.6% upside · 15 analysts · strong buy
Riskβ 1.68Short 5.1% of float · yield 0.69%

Fundamentals from public market data, refreshed daily (2026-10-24 02:59 UTC). Figures in reporting currency.

MPWR · price with what management and the data said

Supply tighteningBeat / raiseMiss / cutData releaseEasing Hover a numbered marker for details · dashed lines = 50- and 200-day averages

Timeline: management commentary, data & earnings

8 events
  1. 8
    2026-07-30EarningsBeat / raise

    Reported EPS 6.5 vs 5.88 expected (+10.5% surprise).

  2. 7
    2026-04-30EarningsBeat / raise

    Reported EPS 5.1 vs 4.9 expected (+4.0% surprise).

  3. 6
    2026-02-05EarningsBeat / raise

    Reported EPS 4.79 vs 4.74 expected (+1.1% surprise).

  4. 5
    2025-10-30EarningsBeat / raise

    Reported EPS 4.73 vs 4.64 expected (+2.0% surprise).

  5. 4
    2025-07-31EarningsBeat / raise

    Reported EPS 4.21 vs 4.12 expected (+2.2% surprise).

  6. 3
    2025-05-01EarningsBeat / raise

    Reported EPS 4.04 vs 4 expected (+0.9% surprise).

  7. 2
    2025-02-06EarningsBeat / raise

    Reported EPS 4.09 vs 3.98 expected (+2.9% surprise).

  8. 1
    2024-10-30EarningsBeat / raise

    Reported EPS 4.06 vs 3.97 expected (+2.3% surprise).

Earnings history

EPS vs expectations
DateExpected EPSReported EPSSurprise
2026-07-305.886.5+10.5%
2026-04-304.95.1+4.0%
2026-02-054.744.79+1.1%
2025-10-304.644.73+2.0%
2025-07-314.124.21+2.2%
2025-05-014.04.04+0.9%
2025-02-063.984.09+2.9%
2024-10-303.974.06+2.3%
2024-08-013.073.17+3.3%
2024-05-012.642.81+6.4%
2024-02-072.852.88+1.0%
2023-10-303.063.08+0.7%
2023-07-312.812.82+0.4%
2023-05-042.993.0+0.4%
2023-02-083.133.17+1.1%
2022-10-273.493.53+1.2%
2022-08-012.943.25+10.6%
2022-05-022.262.45+8.6%
2022-02-101.882.12+12.9%
2021-10-282.02.06+3.1%
2021-07-271.681.81+7.4%
2021-05-041.341.46+8.8%
2021-02-041.241.31+5.3%
2020-10-291.681.69+0.7%

About Monolithic Power Systems

Website ↗

Monolithic Power Systems, Inc. provides semiconductor-based power electronics solutions in China, Taiwan, South Korea, Southeast Asia, Europe, the United States, Japan, and internationally. The company offers direct current (DC) to DC solutions to convert and control voltages within a range of electronic systems, such as cloud-based and on-premises CPU servers and workstations, AI systems, memory, storage solutions, notebooks, infotainment, power sources, home appliances, network infrastructure, and satellite communications. It also provides alternating current (AC) to DC; driver metal-oxide-semiconductor field-effect transistors; power management integrated circuits (ICs); and current limit switch and lighting control products. The company serves storage and computing, enterprise data, automotive, communications, consumer, and industrial end markets through third-party distributors and …

4,501 employees · West Palm Beach, United States

100kW+ racks force 800V DC architectures, GaN/SiC conversion and new power shelves. Power density per rack is now a design constraint.

Power semis→PSU / shelf→Busbar→Rack

What would prove us wrong. Weakens if rack densities stall and legacy 54V designs remain sufficient.

Peers at the same bottleneck

Who else supplies this

StockRoleLast1D1MYTDTrend
2308.TW
Delta Electronics
Power shelves and thermal for AI racks NT$1,560.00.00%−16.8%+62.8%
IFX.DE
Infineon Technologies
SiC/GaN power semis for 800V DC racks €50.20+3.14%−11.5%+34.1%
VICR
Vicor
High-density power modules $193.4+9.84%−31.4%+76.4%
NVTS
Navitas Semiconductor
GaN power ICs for AI power supplies $8.52+1.61%−30.2%+19.3%
ON
onsemi
SiC power and image sensors $74.15+2.63%−4.0%+36.9%
2301.TW
Lite-On Technology
AI server power supplies and shelves NT$255.50.00%−11.4%+60.5%

Not investment advice. Prices delayed and in local currency. Quotes in "double quotes" are verbatim as reported by the linked source; other commentary is our paraphrase. Earnings dates are estimates.