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Marvell Technology Group Ltd (MRVL) — chart, structure and Closelook read

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Company snapshot — Marvell Technology Group Ltd

MRVL in five paragraphs: what it makes and sells, where it sits in the Closelook stack, who it is priced against, why we track it, what we watch. Research diary, not advice.

What it does
Marvell designs semiconductors that move and store data across networks and data centres, without owning any factories itself. Its range spans ethernet controllers, switches and custom chips built to a customer's specification, plus interconnect parts such as optical DSPs, laser drivers and silicon photonics that link servers together. It also makes storage controllers and host interfaces for drives, and sells through direct accounts and distributors. The company was incorporated in 1995 and is based in Wilmington, United States.
Where it sits in the stack
In our index, Marvell sits in Layer 5, Connectivity & Materials, within the High-Speed Interconnects sleeve, which covers the optical transceivers, switching silicon and networking IP that link separate accelerators into a working cluster. Marvell is a supplier into that fabric: its custom silicon and interconnect chips are a constraint on how fast GPU clusters can be wired together and scaled up.
Who it is priced against
Closelook's peer group for Marvell is built around custom silicon and optical interconnect, and lists Broadcom, Nvidia, Credo Technology and Astera Labs; the market also compares it with Cisco Systems on the networking side.
Why Closelook tracks it
Marvell holds a seat in our Rubin Build-Out index and in the Nasdaq-100. It carries a Closelook score, with momentum the strongest module and valuation the weakest. The diary has featured it in a report on optical interconnect pricing, in a Heresy piece on portfolio construction, and in a report tracing strategic investment patterns around Nvidia.
What the diary watches
The diary watches whether demand for switching silicon and optical interconnect tracks the pace at which GPU clusters are being wired together, given the gap between its stronger momentum reading and its weaker valuation one.

Marvell Technology Group Ltd (MRVL) trades on US exchanges, classified under Technology, and sits in Layer 5 of the build-out stack. Constituent of Rubin Build-Out 100.

The Closelook company score reads 48/100 composite (momentum 62, quality 53, valuation 17) across 7 modules — the full breakdown, chart structure and analog history load live above.

Written from the company’s public profile and Closelook’s own readings, 2026-09-17. Descriptive, refreshed with the registry; corrections welcome via the imprint. closelook.net is an investment research diary — market structure, index membership and scores are our own readings, not investment advice. Related: index compare · sector dispersion · scanner.

Signals for this name

Every Closelook reading that exists for MRVL, from the same nightly bakes the boards use. Research diary readings, not advice.

The Street on this name 12 analyst actions on the wire · latest: price target by Piper Sandler, 2026-09-09 · last print 2026-08-27

The Street on this name

Analyst actions and the latest print for MRVL from the Closelook wires — third-party opinions on the record, not our readings.

  • Price target Piper Sandler — target 270 Target set to $270 (+14.9% to spot) 2026-09-09
  • Price target Goldman Sachs — target 220 from 195 Target raised to $220 from $195 (-8.9% to spot) 2026-08-28
  • Price target Needham — target 300 from 270 Target raised to $300 from $270 (+24.2% to spot) 2026-08-28
  • Latest print EPS 0.94 against 0.93 expected — a +0.6% beat 2026-08-27

12 actions on the analyst wire since 2026-08-13: 1 initiation, 11 target changes. Analyst wire → · Earnings wire →

Who it is priced against Custom silicon and optical interconnect · 4 names with week and year-to-date

Peer group

Custom silicon and optical interconnect

Curated competitor set — who the market prices this name against, not just who shares its sector.

Compared against MRVL on the nightly bakes; the Peers tab ranks the cohort on the Closelook scores where it exists.

Versus its index Rubin Build-Out 100 — the name, its sleeve and the index over day, week and month

Versus its index

The name against its Closelook index and its own sleeve — equal-weight, nightly closes.

Rubin Build-Out 100 · as of 2026-09-16

DayWeekMonth3 months
MRVL+3.6%−2.3%−2.0%−17.6%
High-Speed Interconnects+4.6%−6.1%−9.2%—
Rubin Build-Out 100+1.9%−5.3%−7.4%—

Against the index: 3.0 pts ahead on the week, 5.4 pts ahead on the month; against its High-Speed Interconnects sleeve 7.2 pts ahead on the month.

Returns from the index workers’ nightly closes; equal-weight sleeves. A relative reading from the research diary, not advice.

Weather around the name 4 macro readings: Money Temperature, Factor regime, Sector × region …

The weather around this name

Macro readings that apply by membership — the regime, the factor tape, the sector cell, the funding backdrop.

  • Money Temperature Composite 45/100 · S&P 500 fund at 42, above its 200-day averageEight instruments scored on position, momentum, volume, volatility and fragility — the regime every name trades inside. Temperature lab → 2026-09-16
  • Factor regime Momentum leadership cooling, still above trendMomentum against low volatility (SPMO / SPLV): above its 50-day trend, 91th percentile of the window, -0.7% over 20 sessions. Factor regime → 2026-09-16
  • Sector × region Technology in US: −2.1% week · −3.4% month · −1.2% quarter · +32.1% yearThe Sector Engine cell this name lives in, from XLK.US; the 11 × 4 matrix shows where its sector is being bought and where it is being sold. Sector Engine → 2026-09-16
  • Sovereign pressure Index 0.17 · up 0.22 over 21 sessionsG7 long-end yields, 10s30s and the slope — the funding weather for every balance sheet on this site. Sovereign pressure → 2026-09-16

FAQ · from the current data · as of 2026-09-17

Quick answers

What is Marvell Technology Group Ltd (MRVL)?

Marvell Technology Group Ltd trades as MRVL on the US exchange (US) and is classified under Technology in the Closelook research universe, as of the registry build of 2026-09-17.

Is MRVL in a Closelook index?

Yes — Marvell Technology Group Ltd is a constituent of Rubin Build-Out 100, as of 2026-09-17.

What is Marvell Technology Group Ltd's Closelook composite score?

48 out of 100, with momentum 62, quality 53 and valuation 17 sub-scores, as of 2026-09-17. Scores are Closelook's own research readings, not ratings or investment advice.

What is Marvell Technology Group Ltd's earnings print record?

Across the 11 prints Closelook covers, Marvell Technology Group Ltd beat EPS estimates 9 times and revenue estimates 10 times; the three-day reactions split 4 up, 2 flat and 5 down (moves beyond ±3%), as of the 2026-08-28 card. The full print-record card carries the per-print history.

Where does MRVL trade against its moving averages?

Trending: Above its 20-, 50- and 200-day; consensus target sits +18% higher. As of 2026-09-16 — a technical state from the nightly Closelook bake, not advice. The Technical tab carries the full row.

How is MRVL doing against its Closelook index?

Over the past month Marvell Technology Group Ltd is −2.0% against −7.4% for the Rubin Build-Out 100 — 5.4 points ahead of its index, as of 2026-09-16. Its High-Speed Interconnects sleeve is −9.2% over the same month. The “Versus its index” table on this page carries the day, the week and the month for the name, its sleeve and the index.

What does Marvell Technology Group Ltd do?

Marvell designs semiconductors that move and store data across networks and data centres, without owning any factories itself. Its range spans ethernet controllers, switches and custom chips built to a customer's specification, plus interconnect parts such as optical DSPs, laser drivers and silicon photonics that link servers together. It also makes storage controllers and host interfaces for drives, and sells through direct accounts and distributors. Closelook's peer group for Marvell is built around custom silicon and optical interconnect, and lists Broadcom, Nvidia, Credo Technology and Astera Labs; the market also compares it with Cisco Systems on the networking side.

Where does Marvell Technology Group Ltd sit in the AI build-out?

In our index, Marvell sits in Layer 5, Connectivity & Materials, within the High-Speed Interconnects sleeve, which covers the optical transceivers, switching silicon and networking IP that link separate accelerators into a working cluster. Marvell is a supplier into that fabric: its custom silicon and interconnect chips are a constraint on how fast GPU clusters can be wired together and scaled up. Marvell holds a seat in our Rubin Build-Out index and in the Nasdaq-100. It carries a Closelook score, with momentum the strongest module and valuation the weakest. The diary has featured it in a report on optical interconnect pricing, in a Heresy piece on portfolio construction, and in a report tracing strategic investment patterns around Nvidia.

What has Wall Street done on Marvell Technology Group Ltd recently?

The most recent analyst action on Marvell Technology Group Ltd on the Closelook wire is a price target by Piper Sandler on 2026-09-09 (target 270). 12 actions on the analyst wire since 2026-08-13: 1 initiation, 11 target changes. Its latest earnings print on the wire, 2026-08-27: EPS 0.94 against 0.93 expected — a +0.6% beat. Analyst actions are third-party opinions recorded by the wire, not Closelook readings. The “The Street on this name” block on this page lists the moves; the full feeds are the analyst wire and the earnings wire.

Where has Closelook written about Marvell Technology Group Ltd?

Marvell Technology Group Ltd appears in 20 Closelook pieces, most recently Morning 10: Rates — the Fed hikes and the 10-year closes above 5%: the belly sold, the relief unwound, chips back under $505 (2026-09-17); Midday 10: Fed day — relief before the decision: 10-year 4.96%, Brent under $107.63, chips reclaim $505, Nasdaq-100 above $708.69 (2026-09-16); Morning 10: Rates — Fed day at a 5% 10-year: the hike is priced, the cycle is not; Yardeni cuts the S&P target to 7,900 (2026-09-16). What Closelook said most recently: The floors on the tape (12 Aug closes): LITE 932.47, 14% off high · COHR 355.64, 19% off · MRVL 217.08, 34% off · AAOI 138.08, 41% off · FN 571.88, 24% off, prints Monday · AVGO $2.0T market cap… (Report, 2026-08-13). The "Mentioned on Closelook" block on this page lists the long reads, the reference entries and the dailies that name it.

What does this page show?

A live price chart with SMA overlays and drawing tools for MRVL, performance metrics, index-membership context and the Closelook structure read — an investment research diary view, not investment advice.

Mentioned on Closelook 20 pieces · newest: Morning 10, “Rates — the Fed hikes and the 10-year closes above 5%: the belly sold, the relief unwound, chips back under $505” (2026-09-17)

Mentioned on Closelook

Where MRVL appears in the diary — 20 pieces, newest first. Every link is our own writing.

Long reads

Dailies

Related in the Closelook universe