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Allegro Microsystems Inc (ALGM) — chart, structure and Closelooknet read

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Company snapshot — Allegro Microsystems Inc

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

What it does
Allegro Microsystems designs sensor and power integrated circuits, including magnetic position sensors, motor drivers and isolated gate drivers, used to control motion and manage power in electromechanical systems. It sells mainly to automotive and industrial customers, and increasingly to builders of data-centre power systems, robotics and energy infrastructure. The company is based in Manchester, New Hampshire.
Where it sits in the stack
In our index, the Rubin Build-Out 100, Allegro sits in Layer 4, Infrastructure, within the Power Semiconductors sleeve alongside power-management IC, GaN and SiC makers. It supplies the components that regulate and drive power as data centres add capacity, so it is a constraint on how fast that power can be delivered safely.
Who it is priced against
Closelooknet's peer group places it with Texas Instruments, Monolithic Power Systems, ON Semiconductor, STMicroelectronics and Renesas Electronics, grouped as power-semiconductor suppliers to the build-out; the market also names Infineon Technologies as a comparable competitor.
Why Closelooknet tracks it
Allegro holds a seat in the Rubin Build-Out 100 and carries a Closelooknet score; momentum is its strongest module and valuation its weakest. It has no quoted mentions in the diary's editions so far.
What the diary watches
The diary watches whether demand from AI data-centre and robotics customers offsets weakness elsewhere in Allegro's automotive and industrial base, and whether its momentum stabilises.

Allegro Microsystems Inc (ALGM) trades on US exchanges, classified under Technology, and sits in Layer 4 of the build-out stack. Constituent of Rubin Build-Out 100.

The Closelooknet company score reads 38/100 composite (momentum 24, quality 31, valuation 14) across 7 modules — the full breakdown, chart structure and analog history load live above.

Written from the company’s public profile and Closelooknet’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 Closelooknet reading that exists for ALGM, from the same nightly bakes the boards use. Research diary readings, not advice.

Who it is priced against Rubin Build-Out 100 · Power Semiconductors · 5 names with week and year-to-date

Power-management IC, GaN, SiC. Every megawatt the AI build-out adds requires the right power semis underneath.

Compared against ALGM on the nightly bakes; the Peers tab ranks the cohort on the Closelooknet 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 Closelooknet index and its own sleeve — equal-weight, nightly closes.

Rubin Build-Out 100 · as of 2026-09-24

DayWeekMonth3 months
ALGM+0.1%+6.1%−6.2%−41.6%
Power Semiconductors−0.8%+7.3%+1.5%—
Rubin Build-Out 100−0.5%+6.3%+3.8%—

Against the index: 0.2 pts behind on the week, 10.0 pts behind on the month; against its Power Semiconductors sleeve 7.7 pts behind on the month.

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

Dividends and capital return no distribution in twelve months · buybacks 2 m USD in FY2026

Dividends and capital return

What ALGM pays out and buys back — distributions read from the price series, money terms from the filings.

  • Distributions No cash distribution recorded in the price series over the last three years
  • Buybacks, FY2026 2 m USD 0.0% of today's market value
  • Share count −1.3% in FY2026 48 m USD of stock-based compensation in the year
  • Capital returned 2 m USD · 1% of free cash flow dividends and buybacks together, against the year’s free cash flow

Per-share amounts are derived from the adjusted price series in the listing currency, so dates sit within days of the ex-date; filing figures come from the fundamentals feed for the last reported fiscal year. An investment diary, not a recommendation.

How it trades on rate days beta 1.03 to TLT · on the worst bond days it fell more than the market

How it trades on rate days

How ALGM has moved when long-dated Treasury yields rise — measured against TLT, the 20+ year Treasury fund.

  • Beta to long bonds, 1 year 1.03 — moves strongly with bonds for every 1% move in TLT (20+ year Treasuries), Allegro Microsystems Inc moved 1.03% on average · correlation 0.15 · higher than 88% of US names
  • Beta, last 3 months 1.26 more rate-sensitive lately than over the year
  • On the 10 worst bond days −1.44% on average against −0.74% for the S&P 500 the 10 sessions of the past year in which TLT fell most, i.e. long yields rose most
  • Latest of those days +0.06% TLT −1.29% that day 2026-09-24

Daily total returns from the adjusted price series; a TLT down day is a day long yields rose. Beta = the average move of the name for a 1% move in TLT. Past sensitivity, not a forecast. An investment diary, not a recommendation.

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 60/100 · S&P 500 fund at 66, bullish alignedEight instruments scored on position, momentum, volume, volatility and fragility — the regime every name trades inside. Temperature lab → 2026-09-24
  • Factor regime Momentum leading — risk appetite buildingMomentum against low volatility (SPMO / SPLV): above its 50-day trend, 99th percentile of the window, +10.1% over 20 sessions. Factor regime → 2026-09-24
  • Sector × region Technology in US: +3.7% week · +7.3% month · +5.6% quarter · +39.8% 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 → 2026-09-24
  • Sovereign pressure Index 0.75 · up 0.21 over 21 sessionsG7 long-end yields, 10s30s and the slope — the funding weather for every balance sheet on this site. Sovereign pressure → 2026-09-24

FAQ · from the current data · as of 2026-09-25

Quick answers

What is Allegro Microsystems Inc (ALGM)?

Allegro Microsystems Inc trades as ALGM on the US exchange (US) and is classified under Technology in the Closelooknet research universe, as of the registry build of 2026-09-25.

Is ALGM in a Closelooknet index?

Yes — Allegro Microsystems Inc is a constituent of Rubin Build-Out 100, as of 2026-09-25.

What is Allegro Microsystems Inc's Closelooknet composite score?

38 out of 100, with momentum 24, quality 31 and valuation 14 sub-scores, as of 2026-09-25. Scores are Closelooknet's own research readings, not ratings or investment advice.

Where does ALGM trade against its moving averages?

Resizing — 51.1% off its high: 51.1% below its 52-week high, under its 200-day — a deeper resizing of the trend, not a shallow dip. As of 2026-09-23 — a technical state from the nightly Closelooknet bake, not advice. The Technical tab carries the full row.

How is ALGM doing against its Closelooknet index?

Over the past month Allegro Microsystems Inc is −6.2% against +3.8% for the Rubin Build-Out 100 — 10.0 points behind its index, as of 2026-09-24. Its Power Semiconductors sleeve is +1.5% 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 Allegro Microsystems Inc do?

Allegro Microsystems designs sensor and power integrated circuits, including magnetic position sensors, motor drivers and isolated gate drivers, used to control motion and manage power in electromechanical systems. It sells mainly to automotive and industrial customers, and increasingly to builders of data-centre power systems, robotics and energy infrastructure. The company is based in Manchester, New Hampshire. Closelooknet's peer group places it with Texas Instruments, Monolithic Power Systems, ON Semiconductor, STMicroelectronics and Renesas Electronics, grouped as power-semiconductor suppliers to the build-out; the market also names Infineon Technologies as a comparable competitor.

Where does Allegro Microsystems Inc sit in the AI build-out?

In our index, the Rubin Build-Out 100, Allegro sits in Layer 4, Infrastructure, within the Power Semiconductors sleeve alongside power-management IC, GaN and SiC makers. It supplies the components that regulate and drive power as data centres add capacity, so it is a constraint on how fast that power can be delivered safely. Allegro holds a seat in the Rubin Build-Out 100 and carries a Closelooknet score; momentum is its strongest module and valuation its weakest. It has no quoted mentions in the diary's editions so far.

Does Allegro Microsystems Inc pay a dividend?

No cash distribution shows in Allegro Microsystems Inc’s price series over the last three years. In fiscal 2026 the company bought back 2 m USD of its own shares, 1% of that year’s free cash flow. The share count fell 1.3% over the fiscal year. The "Dividends and capital return" block on this page carries the lines.

How does Allegro Microsystems Inc trade when bond yields rise?

Over the past year Allegro Microsystems Inc had a beta of 1.03 to TLT, the long-dated Treasury fund — it moves strongly with bonds, higher than 88% of US names. On the 10 sessions in which long bonds fell most it moved −1.44% on average, against −0.74% for the S&P 500. The "How it trades on rate days" block on this page carries the lines.

What does this page show?

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

Related in the Closelooknet universe

same Closelooknet index seat first, then Semiconductors. Scored names rank on their Closelooknet score; names without one rank on trend state — above or below their 50- and 200-day averages — never on a score they do not carry.