Why MACOM Technology Solutions Holdings, Inc. (MTSI) stock fell 17.9% intraday on Thursday, November 5, 2026

MACOM Technology Solutions Holdings, Inc. (MTSI) traded at $191.31 as of 1:31 PM ET, down 17.94% on Thursday, November 5, 2026, on volume of 2,048,315 shares (1.4× its 3-month average); market value about $14.60B.

MTSI was among the stocks moving 5% or more in an earlier update that day; by the close it was no longer moving that much.

What happened: primary sources

Events Nexqual found for MTSI on Thursday, November 5, 2026 or the trading day before (November 4, 2026):

• Nov 5, 2026: Reported Q4 2026 results: adjusted EPS $2.09 vs consensus $2.00 (beat), revenue $424.8M vs consensus $420.4M (beat). Guidance: For the fiscal first quarter ending January 1, 2027, MACOM expects revenue to be in the range of $450 million to $460 million. source
• Nov 5, 2026: Needham: Target lowered, Buy, price target $410 → $300
• Nov 5, 2026: One of 4 Semiconductors stocks among the day's biggest losers (HIMX, MXL, MTSI, ASX), with no comparable group among the biggest gainers

These are listed as context. A filing or rating change on the same day is not proof that it caused the move; read the source.

More on MTSI

MTSI stock page: price, SEC financials, insider trades, superinvestor holders, analyst estimates and options. Earnings report: MTSI results, November 5, 2026. Other big moves that day: November 5, 2026.

Sources: SEC EDGAR, Nexqual Earnings Flash, analyst rating changes, Nexqual market data. Built November 10, 2026 at 16:39 UTC. Not investment advice.

Data source: Nexqual. Last updated: November 10, 2026 at 16:39 UTC. This page is informational and not investment advice.

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