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ALLEGRO MICROSYSTEMS, INC. (ALGM) USD

Designs sensor and power semiconductor ICs for automotive and industrial markets.

At a glance: strengths & risks
✓Revenue growing (+29% y/y, Q2 2026)✓Profit growing (×3.6 y/y, Q2 2026)✓Margins improving (11%→19%, Q2 2026)✗Pricier than own history (EV/EBITDA 40.8 vs avg 26.3)

Sector: United States — large cap (SEC filings)

US_ALGM

Price chart

30.53 USDDay -7.57%

Key metrics

Net debt (table and EV/EBITDA): |short-term borrowings| + |long-term borrowings| + |other financial liabilities| when extracted + |non-controlling interest| when extracted − |cash and equivalents|; amounts in millions of the reporting currency.

Market

Price
30.53 USD · -7.57%
Market cap
5.6 bn USD

Growth

Δ revenue y/y
29.2%
Δ EBITDA y/y
130.5%

Multiples

P/E (LTM)
182.6x
3y avg: 40.0x
P/B (FY)
5.9x
P/E (ann.)
60.7x
EV/EBITDA (LTM)
40.8x
3y avg: 26.3x
EV/EBITDA (ann.)
27.3x

Cash return

Dividend yield
—
FCF yield (LTM)
1.8%

Value creation

fundamental value/yr, % of market cap
Value created / year

Liquidity

Daily turnover (US listing)
152.6 mln USD

Shares: yahoo_fundamentals_timeseries/ALGM

Financial results

Monetary columns are in M USD, one decimal; scale (K/M/B/T) keeps values readable. For the period (default) shows P&L and cash flow for that row’s reporting window: quarterly amounts when the feed uses quarter-duration facts (typical US 10-Q revenue and income), quarterly cash flows after stripping YTD where only cumulative tags exist, and an implied Q4 on 31 Dec FY rows (P&L: FY minus Q1–Q3; operating / investing cash flow: FY 12m minus 9M YTD to 30 Sep when sourced from SEC builder evidence) so they match 10-Q scale. Some issuers still use cumulative YTD minus the prior row in the same calendar year. As reported shows values stored on each row (e.g. full-year on FY). Balance sheet is always as reported. Source JSON may use millions etc.; conversion uses amounts_unit per row.

DatePeriodStatusRevenueM USDOperating profitM USDD&AM USDEBITDAM USDNet profitM USDOperating CFM USDCapex + M&AM USDAssetsM USDEquityM USDROE (annualized)Net debtM USDSource
2026-09-25Q3 2026 (3M)OK276.9
y/y 29.2%
35.4
y/y 467.8%
17.2
y/y 3.8%
52.7
y/y 130.5%
23.3
y/y 256.8%
36.8-6.31447.1
y/y 4.5%
1002.2
y/y 6.1%
9.5%94.1Link
2026-06-26Q2 2026 (3M)OK259.2
y/y 27.5%
25.5
y/y —
12.8
y/y -21.0%
38.3
y/y 184.0%
15.9
y/y —
22.0-8.01412.0
y/y 1.6%
964.3
y/y 4.5%
6.6%133.5SEC EDGAR
2026-03-27Q1 2026 (3M)OK243.2
y/y 26.1%
5.4
y/y 141.0%
17.8
y/y 11.6%
23.2
y/y 750.1%
-16.5
y/y -11.4%
35.7-17.01416.2
y/y -0.3%
954.7
y/y 2.7%
-1.6%143.6Link
2025-12-26Q4 2025 (3M)OK229.2
y/y 28.9%
9.6
y/y —
17.0
y/y 5.4%
26.6
y/y 65.2%
8.3
y/y —
45.4-4.11422.7
y/y -1.3%
962.7
y/y 3.2%
3.5%153.0Link
2025-09-26Q3 2025 (3M)OK214.3
y/y 14.4%
6.2
y/y 53.5%
16.6
y/y 3.8%
22.9
y/y 13.9%
6.5
y/y —
20.4-6.41384.3
y/y -7.2%
944.2
y/y 0.7%
2.8%191.2Link
2025-06-27Q2 2025 (3M)OK203.4
y/y 21.9%
-2.7
y/y —
16.2
y/y -1.5%
13.5
y/y 131.2%
-13.2
y/y —
61.6-10.61389.2
y/y -4.1%
922.7
y/y -16.8%
-5.7%206.0Link
2025-03-28Q1 2025 (3M)OK192.8
y/y -19.9%
-13.2
y/y -183.0%
15.9
y/y -27.1%
2.7
y/y -92.8%
-14.8
y/y -108.0%
20.4-5.71421.0
y/y -7.2%
929.6
y/y -17.8%
-7.8%254.4Link
2024-12-27Q4 2024 (3M)OK177.9
y/y -30.2%
0.0
y/y -100.1%
16.1
y/y -20.2%
16.1
y/y -71.7%
-6.9
y/y -120.6%
-8.2-13.61441.7
y/y -7.9%
933.0
y/y -17.7%
-2.9%259.7Link
2024-09-27Q3 2024 (3M)OK187.4
y/y -32.0%
4.1
y/y -94.4%
16.0
y/y 6.1%
20.1
y/y -77.2%
-33.7
y/y -151.3%
15.5-10.01492.1
y/y 16.1%
937.3
y/y -14.7%
-13.2%236.0Link
2024-06-28Q2 2024 (3M)OK166.9
y/y -40.0%
-10.6
y/y -115.0%
16.5
y/y 15.3%
5.8
y/y -93.1%
-17.7
y/y -129.0%
34.2-11.01448.9
y/y 17.4%
1108.6
y/y 8.0%
-6.3%52.1Link
2024-03-29Q1 2024 (3M)OK240.6
y/y —
15.9
y/y —
21.8
y/y —
37.7
y/y —
-7.1
y/y —
-36.9-377.51530.6
y/y 29.6%
1130.4
y/y 17.1%
13.5%71.5Link
2023-12-29Q4 2023 (3M)OK255.0
y/y —
36.7
y/y —
20.2
y/y —
56.9
y/y —
33.3
y/y —
72.6-34.41565.3
y/y —
1134.2
y/y —
11.9%61.9Link
2023-09-29Q3 2023 (3M)OK275.5
y/y —
72.9
y/y —
15.1
y/y —
88.0
y/y —
65.6
y/y —
96.4-76.11284.9
y/y —
1098.3
y/y —
24.7%-339.8Link
2023-06-30Q2 2023 (3M)OK278.3
y/y —
70.7
y/y —
14.3
y/y —
85.0
y/y —
60.9
y/y —
49.7-44.91234.1
y/y —
1026.6
y/y —
24.4%-323.4Link
2023-03-31FY 2023 (12M)OK973.7
y/y —
203.3
y/y —
50.8
y/y —
254.1
y/y —
187.4
y/y —
193.2-99.71181.2
y/y —
965.6
y/y —
—-309.0Link

Net debt structure (leases included, IFRS 16) 2026-09-25

Short-term debt (incl. ST leases)2
Long-term debt (incl. LT leases)286
− Cash & equivalents193
Net debt94

Net debt / LTM EBITDA: 0.7x

Revenue & EBITDA

RevenueEBITDA

Quarterly values ($ mln)

-10001002003002024 q32024 q42025 q12025 q22025 q32025 q42026 q12026 q22026 q32026 q4

Year-over-year change

-400%-200%0%200%2024 q32024 q42025 q12025 q22025 q32025 q42026 q12026 q22026 q32026 q4

Cash flow

Operating and investing cash flow (OCF + ICF) ($ mln)

-40-200204060802024 q32024 q42025 q12025 q22025 q32025 q42026 q12026 q22026 q32026 q4

Net debt / cash ($ mln)

01002003002024 q32024 q42025 q12025 q22025 q32025 q42026 q12026 q22026 q32026 q4

Profit and cash

Worth a look
In a typical year of 2022–2026 operating cash flow came to 1.19x of reported net profit; after capex, 0.60x. Loss years (2025, 2026) are left out of the ratio.
year20222023202420252026
cash flow / profit1.31x1.03x1.19x——
accruals, % of assets-4.1%-0.5%-1.9%-9.5%-12.6%
Last twelve months (to 2026-09-25): 4.52x of profit came back as operating cash flow.
net debt / EBITDA 1.7x · EBIT covers interest 0.8x · capex 1.2x of depreciation · dividends 0% of free cash flow · share count -0.9% a year
● EBIT covers interest 0.8x.
Read from the reported annual statements: cash flow / profit is the median of the yearly operating cash flow over net profit for the years shown; accruals are (profit − operating cash flow) / assets, the classic gap between what was booked and what was collected. A gap can be growth in working capital, capitalised costs, revaluations or profit from associates — the panel points at it, the statements explain it. Not investment advice.

Research & reviews

Our earnings breakdowns and investment notes on this issuer.

All research →

Fundamental value creation

Value the company creates per year, as a % of market cap

Value created per year: -2.2%

How this was calculated
1. EBITDA growth (latest quarter YoY, annualised)
[EBITDA latest qtr − EBITDA year-ago qtr] × annualisation X (2026-09-25 vs 2025-09-26)
= (53 − 56) × 2.80
-10
2. Current EV/EBITDA (LTM)
(Market cap + Net debt) ÷ EBITDA (LTM)
= (5 649 + 94) ÷ 147
30.0x — capped at 30x
3. Target multiple
(Current EV/EBITDA + 12) ÷ 2
= (30.0 + 12) ÷ 2
21.0x
4. Cash flow (balance method, LTM)
Net-debt reduction + dividends + buybacks − equity issuance
= 97 + 0 + 0 − 0
97
4b. Share dilution (at market, LTM)
Share-count growth over the year × Market cap
= 0.1% × 5 649
−6
5. Value created per year
(EBITDA growth × Target multiple + Cash flow − Dilution) ÷ Market cap
= (-10 × 21.0 + 97 − 6) ÷ 5 649
-2.2%

Amounts in millions of the reporting currency. EBITDA growth is the latest quarter vs the same quarter a year ago, annualised.

Caveats:

  • base 2025-09-26 normalized for growth: margin 10.7% << typical 26.3% -> base EBITDA 23->56 (vs normal-margin base, not the trough)
  • dividends/buybacks not in data - balance cash flow uses net-debt change only
  • share-count dilution 0.1%/yr (valued at market: -6)

Revenue growth & acceleration

Growth accelerating ▲
Last-year revenue growth +23% vs -31% the year before — a +53.7 pp move. 3-year CAGR -3%.
revenue growth by year: 2024 +8% · 2025 -31% · 2026 +23%
The growth-acceleration signal behind the GARP+acceleration strategy — it favours companies whose revenue growth is speeding up and flags those slowing down (the second derivative of growth).

EV/EBITDA — daily history

Current 36.1x · 3-year 75th pct 94.0x

EV/EBITDA3-year 75th pct

Peer comparison

Group: technology (US). Every peer trades on the same market, so no adjustment is needed.

CompanyMarketCap, $bnEV/EBITDA
MICRON TECHNOLOGY INCUS1067.99.5x
ORACLE CORPUS422.016.3x
INTERNATIONAL BUSINESS MACHINES CORPUS245.019.2x
Dell Technologies Inc.US309.919.3x
MICROSOFT CORPUS3951.119.7x
NVIDIA CORPUS5192.825.9x
TEXAS INSTRUMENTS INCUS285.727.2x
CISCO SYSTEMS, INC.US428.527.6x
Apple Inc.US5154.530.2x
Broadcom Inc.US1674.330.7x
INTEL CORPUS459.840.2x
Arista Networks, Inc.US235.050.2x
Group median26.6x
Group average26.3x
This companyUS6.140.8x

Group median 26.6x; this company 40.8x — a 54% premium.

Group average 26.3x; against the average this company is at a 55% premium.

At the adjusted group median the market cap would be -36% versus today.

The gap and the implied upside are measured against the median: one richly priced peer moves an average, not a median. The market adjustment uses our coverage medians (US 20.1x, Russia 3.8x, South Africa 5.5x, Kazakhstan 6.2x, India 17.7x, Indonesia 4.6x); it is about where a name is listed, not what it does. Peer multiples come from the nightly rebuild of 2026-10-30; the company's own is live.

Dividends

No dividend rows found for this issuer (checked: Yahoo Finance (ex-div)).

Reporting forms detected in loaded periods: ✓ ✓ ✓ (Balance sheet / Profit or loss (P&L) / Cash flows)

Financial results, valuation multiples (P/E, P/B, EV/EBITDA), profitability and dividend yield of ALLEGRO MICROSYSTEMS, INC. (ALGM) — from primary filings.

Frequently asked questions

What is ALLEGRO MICROSYSTEMS, INC. (ALGM)'s P/E ratio?
ALLEGRO MICROSYSTEMS, INC. (ALGM) trades at a P/E of 182.6x (price to trailing 12-month earnings).
What is ALLEGRO MICROSYSTEMS, INC. (ALGM)'s EV/EBITDA?
ALLEGRO MICROSYSTEMS, INC. (ALGM) trades at 40.8x EV/EBITDA.
What is ALLEGRO MICROSYSTEMS, INC. (ALGM)'s P/B ratio?
ALLEGRO MICROSYSTEMS, INC. (ALGM) trades at a P/B of 5.9x.
What is ALLEGRO MICROSYSTEMS, INC. (ALGM)'s return on equity (ROE)?
ALLEGRO MICROSYSTEMS, INC. (ALGM)'s ROE is 9.5%.
What is ALLEGRO MICROSYSTEMS, INC. (ALGM)'s market capitalization?
ALLEGRO MICROSYSTEMS, INC. (ALGM)'s market cap is 5.6 bn USD.

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