{
  "@context": "https://frontierpicks.com/schemas/dossier.v1.json",
  "ticker": "MTSI",
  "name": "MACOM Technology Solutions Holdings, Inc.",
  "url": "https://frontierpicks.com/dossiers/MTSI/",
  "json_url": "https://frontierpicks.com/dossiers/MTSI.json",
  "status": "DORMANT",
  "current_conviction": "LOW",
  "graded_conviction": "MEDIUM",
  "archetype": {
    "code": "a2",
    "n": 2
  },
  "current_thesis": "AI optical-interconnect arms-dealer with fundamentals still accelerating (FY26 DC growth guide >60%, Q3 guide $331-339M) but a July-broken chart: ~36% off the $418.90 high to ~$267 on the semi selloff, Russell Value index removal, and SATCOM oversupply worry. Broken structure into the 2026-07-30 earnings binary — the setup does not clear until it bases.",
  "invalidation_trigger": "A weekly close below $255 loses the July capitulation low and turns the pullback into a trend break. Secondary: a Q3 print (2026-07-30) that cuts FY26 Data Center growth back below 60%, SATCOM oversupply confirmed as demand-side, or optical peers COHR/CRDO/ALAB losing their 50-days together (theme → saturated).",
  "catalyst_date": "2026-08-26",
  "outcome": "INVALIDATED",
  "outcome_date": "2026-07-06",
  "invalidation_fired": true,
  "themes": [
    "networking-optical",
    "ai-datacenter-infrastructure"
  ],
  "tags": [],
  "sources": [],
  "notes": [
    "Fiscal year ends early October; Q4/FY26 results historically land in early November - no scheduled company event between late August and late September.",
    "All guided gross-margin and EPS figures are company-adjusted (non-GAAP); GAAP results differ materially.",
    "Stale sources still quote the FY26 Data Center growth guide of 35-40%; it was raised to >60% on the April 2026 call, and the 2026-08-06 call framed ~50% DC growth off the annualized Q4 midpoint.",
    "May 2026 IQE long-term supply agreement carries a GBP 45M equity/convertible commitment for GaAs and InP wafers - a concentrated compound-semi supply dependency.",
    "Removed from the Russell 1000 Value and Russell Midcap Value indexes in the 2026 reconstitution; value-benchmark holders are no longer a natural bid.",
    "$340.5M of 0.00% convertible notes due December 2029 remain outstanding and were currently convertible as of the July 2026 quarter end."
  ],
  "body_markdown": "## Current Thesis\n\nThe earnings gap has been given back. On **2026-08-06** MACOM guided fiscal Q4 to **$415–425M** against $368.7M consensus with adjusted EPS of **$1.97–2.03** versus $1.57, and price moved from a **$263.46** close (2026-08-05) to **$301.64**, then on to **$316.44** by **2026-08-14**. Five sessions later the stock closed **$266.61** (2026-08-21) — within about 1% of where it traded the day before the guide, without a single piece of company news in between. The **2026-08-19** session alone was **-7.8% to $269.98**.\n\nThe narrative leg on offer is unchanged and still measurable: MACOM's analog and photonics content per optical port — TIAs, laser and modulator drivers, 200G PAM4, LPO chipsets — compounding as datacenter links step from 800G to 1.6T, with an order book running ahead of shipments (**1.6:1 book-to-bill**, Q3 call 2026-08-06). What changed is the market's willingness to pay up for it.\n\nThe narrative is **maturing**, dated to the 2026-08-14→2026-08-21 round trip. The fundamentals accelerated and the bid did not follow. That is a different regime from the one described on 2026-08-06, when a new guide 13% above the Street bought a durable re-rating.\n\n## Bull Case\n\n- **Q4 FY26 guide (2026-08-06):** $415–425M revenue vs $368.7M consensus, adjusted gross margin 60–61%, adjusted EPS $1.97–2.03 vs $1.57. Guidance, not the beat, drove the initial move.\n- **Data Center $137.6M in FQ3, roughly +40% sequentially (Q3 call, 2026-08-06):** attributed to 800G/1.6T platforms and 200G PAM4.\n- **Record 1.6:1 book-to-bill (Q3 call, 2026-08-06):** third straight quarter of rising bookings coverage (1.3 → 1.5 → 1.6), Data Center the standout across all three end markets.\n- **Management's own forward frame (2026-08-06):** annualizing the Q4 guide midpoint implies 27–28% company growth and roughly 50% Data Center growth.\n- **Coverage restocking after the July de-rating:** Needham Buy $410 (2026-08-06), Evercore ISI Outperform $475 (2026-08-07), Benchmark reinstated Buy at $375 (2026-08-17, shares +3% that session), BMO Capital initiated Market Perform at $335 (2026-08-21). Every published target sits above the 2026-08-21 close of $266.61.\n- **Valuation reset without an estimate reset:** stockanalysis.com shows a forward P/E of 32.34 and a $20.36B market cap on 2026-08-21, after a 34.9% drawdown from the $409.68 52-week high on the adjusted closing series.\n\n## Bear Case\n\n- **The round trip is the new datapoint.** $263.46 (08-05) → $316.44 (08-14) → $266.61 (08-21). A guide 13% above consensus produced no lasting price. Sellers met the news.\n- **This ownership base sells the group, not the company.** July took price from the $409.68 area to a **$248.71** close (2026-07-30) with no guidance cut, after Russell 1000 Value and Russell Midcap Value removal in the 2026 reconstitution. The 2026-08-19 drop repeated the pattern inside an optics-complex profit-taking episode.\n- **BMO's initiation is a neutral rating from a fresh set of eyes (2026-08-21).** New coverage arriving at Market Perform after a 12-month advance of roughly 115% is a different signal from a target raise by an incumbent bull.\n- **The Q4 bar is large.** $415–425M is a steep sequential step from $342.2M. The November print must clear it and guide FQ1 FY27 consistently with the ~50% Data Center base case.\n- **Book-to-bill above 1.5 can reflect lead-time hedging.** Normalization toward 1.0 removes the strongest single number in the story.\n- **No company-specific catalyst inside 30 days.** Between now and early November the name trades on AI-capex sentiment and peer prints.\n\n## Setup & Price Structure\n\nReference close **$266.61** on **2026-08-21** (+0.16% that session), RSI(14) **52.8**, **-34.9%** from the $409.68 52-week high, and a three-month price change of **-30.9%**.\n\nThe base has four marked closes: **$248.71** (2026-07-30, capitulation low), **$263.46** (2026-08-05, the last pre-print close), **$301.64** (2026-08-06, the post-guide gap close) and **$316.44** (2026-08-14, the failed high). Price now sits between the first two, meaning the entire post-guide advance has been retraced and the 08-06 gap is closed. RSI at 52.8 is neutral — neither the washed-out condition of late July nor the extension of mid-August.\n\nPositioning observables, stated as observables: four sell-side actions in the 15 sessions after the print, with consensus target $395.33 (stockanalysis.com, 2026-08-21) sitting 48% above spot — the entire published target set is above the market; the Russell value indexes no longer hold the name after the 2026 reconstitution, removing one natural bid; the recent filings record shows no company filings after the 2026-08-06 8-K, so there is no insider-transaction evidence either way in this window; and the dominant near-term input is another company's print three sessions out.\n\n## Catalyst Calendar (next 30 days)\n\n- **2026-08-26** — NVIDIA Q2 FY27 results (quarter ended 2026-07-26), call 5:00pm ET. The sector read-across for 800G/1.6T optical port demand.\n- **~2026-09-08 to 2026-09-10 (est.)** — European Conference on Optical Communication (ECOC) week; historically a venue for 1.6T and LPO product announcements across the optical component group.\n- **~2026-10-02 (est.)** — fiscal Q4 FY26 quarter end, the period guided to $415–425M and 60–61% adjusted gross margin.\n- **~2026-11-05 (est.)** — Q4 and FY26 results plus FQ1 FY27 guidance.\n\n## What Would Change Our Mind\n\nThe structure that matters now is the July shelf, not the August high. The post-guide advance is already gone; what has not gone is the **2026-07-30** capitulation close of **$248.71**. A **weekly close below $248** takes that out and converts a sharp pullback into a trend failure, and it would do so with the strongest bookings quarter in the company's history on the tape — which is the point at which the fundamental leg stops explaining the price.\n\nThree non-price conditions would do the same work. First, NVIDIA's **2026-08-26** data-center number and 2027 commentary landing below consensus, which is how the July de-rating started. Second, the November print coming in below the **$415M** low end of the guide, or FQ1 FY27 guidance implying Data Center growth materially under the ~50% base case stated on 2026-08-06. Third, book-to-bill falling back toward 1.0.\n\nThe reverse case is equally specific: reclaiming the **$301.64** post-print gap close on a weekly close would say the round trip was group-driven de-risking rather than a verdict on the guide.\n\n## Correlation Notes\n\nMTSI trades with the AI optical-interconnect complex — COHR, LITE, CRDO, ALAB, AAOI — and the 2026-08-19 session was an optics-specific drawdown rather than a broad semiconductor unwind. The July 2026 episode moved this name 40% peak-to-trough on hyperscaler-capex-digestion fear with no company guidance change, so the correlation is to AI-capex sentiment first and to MACOM's own bookings second. Secondary exposures: telecom/SATCOM oversupply headlines, and compound-semiconductor wafer supply through the May 2026 IQE long-term agreement, which carries a £45M equity/convertible commitment for GaAs and InP wafers.",
  "first_seen": "2026-05-24",
  "last_analyzed": "2026-08-23T14:27:12+00:00",
  "last_synthesized": "2026-08-23",
  "last_update_source": "watchlist_research",
  "license": "Content © FrontierPicks. Cite the canonical URL."
}