MONOLITHIC POWER SYSTEMS INC
In the published model solve dated 2026-Q2, anchored at $1258.47, MONOLITHIC POWER SYSTEMS INC (MPWR) is priced for today's economics sustained for ~20.1 years. boothcheck publishes no house fair value, target price, or buy/sell rating; individual model outputs and user-controlled scenarios are analytical inputs, not Boothcheck targets. The narrative was composed July 3, 2026 from SEC EDGAR filings.
At $1,563.49 (as of June 27, 2026) the market pays roughly 98x company-wide operating income, a multiple at the very top of the semiconductor peer distribution. The price implies operating growth held near its self-funding ceiling for close to three decades, a demanding bet on continued execution. The engine is AI server power. Enterprise Data revenue grew about 98% year over year in Q1 2026 and is now nearly a third of the business, with Q2 guidance roughly 11% above prior Street consensus. Th
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1,080 institutional managers reported holding MPWR in 13F filings for the quarter ended 2026-03-31. Together they hold about 93% of the company; the top 10 hold 52%. 154 opened new positions that quarter. Held by Vanguard Group, BlackRock, FMR (Fidelity), among others. On the short side, 2.3M shares were sold short as of the 2026-06-15 count, about 5% of shares outstanding (3 days of typical volume to cover).
Quarterly 13F filings arrive up to 45 days after quarter end, so the picture is never current (filed through 2026-05-29). Nothing here is investment advice.
MPWR's share count grew 7.2% over the past five years even with $646.59M spent on repurchases. It pays a dividend, and has for 8 years running, raised 7 years straight; the current rate is $6.24 a share annually. Cash returned over the past three years: $703.80M in dividends and $646.59M in repurchases.
Share counts are split-adjusted; repurchase totals are gross of share issuance. Nothing here is investment advice.
No open-market insider buys on file at MPWR over the trailing three years. Absence is a fact about the company, not a signal. 13 officers and directors are on file.
Code P open-market purchases from SEC Form 4 filings, non-derivative, excluding scheduled 10b5-1 plans. Nothing here is investment advice.
MPWR's recent reports: the day-one move, then what the following quarter actually did.
| report | day one | next quarter |
|---|---|---|
| 2023-08-05 | +0.9% | -11.8% |
| 2023-11-09 | +8.8% | +22.1% |
| 2024-03-01 | +16.4% | -4.9% |
| 2024-05-04 | +6.5% | +19.0% |
Day-one is the close-to-close move around the filing. Nothing here is investment advice.
MPWR's latest 8-K filings: 2026-07-30 (items 2.02, 9.01); 2026-06-12 (items 5.07, 8.01, 9.01); 2026-04-30 (items 2.02, 9.01); 2026-02-27 (items 4.02); 2026-02-05 (items 2.02, 5.02, 8.01, 9.01).
Item codes are the SEC's own classification of what each report discloses. Dates link to the filing on EDGAR. Nothing here is investment advice.
Model solve date: 2026-Q2
Narrative composed: July 3, 2026
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For informational and research purposes only. Not investment advice. Not a recommendation to buy, sell, or hold any security. boothcheck is not a registered investment adviser. Past performance does not guarantee future results.