How many subsidiaries does ALLEGRO MICROSYSTEMS, INC. file with the SEC?

15, listed in its most recent exhibit 21. They are incorporated across 11 jurisdictions, led by Delaware, Argentina, United Kingdom. That exhibit is filed with the company's annual report and is the company's own list, not an estimate.

Is ALLEGRO MICROSYSTEMS, INC. financially healthy?

ALLEGRO MICROSYSTEMS, INC. scores 7 out of 9 on the Piotroski F-score. Its Altman Z-score puts it in the safe zone. Every test and the numbers behind it are shown above, so the arithmetic is checkable rather than something you have to take on trust.

Who are the largest institutional holders of ALLEGRO MICROSYSTEMS, INC.?

Among the managers tracked here, the biggest positions as of the 2026-Q2 13F filings are FMR LLC (trimming), BlackRock, Inc. (adding), JPMORGAN CHASE & CO (adding). Direction is the change in share count against that manager's own previous filing; managers with no prior filing are left out rather than counted as new buyers.

ALLEGRO MICROSYSTEMS, INC. (ALGM)

Nasdaq · Common Stock · Semiconductors & Related Devices

One email a week from me: what it filed, which 13F holders added or cut, where its scores stand. Free.

Corporate structure

15 entities across 11 jurisdictions. Read directly from the company’s own 10-K EX-21 filed 2026-05-21 — see the exhibit.

Which other public companies file entities in the same places:

Delaware3 France2 Philippines2 Argentina1 United Kingdom1 Germany1 China1 Wyoming1 Japan1 India1 Ireland1

Subsidiaries of ALLEGRO MICROSYSTEMS, INC. as disclosed in its SEC filing
Entity	Jurisdiction	Note
Allegro MicroSystems, LLC	Delaware
Allegro MicroSystems Argentina, S.A.	Argentina
Allegro MicroSystems Business Development, Inc.	Delaware
Allegro MicroSystems Europe Limited	United Kingdom
Allegro MicroSystems France SAS	France
Allegro MicroSystems Germany GmbH	Germany
Allegro MicroSystems Shanghai Co., Ltd.	China
Allegro MicroSystems Philippines, Inc.	Philippines
Allegro MicroSystems Philippines Realty Inc.	Philippines
LadarSystems, LLC

Financial health

Two standard screens, computed from the XBRL in FY2026 against FY2025. Every test shows the numbers behind it — a score with its inputs hidden is a number you cannot check.

Piotroski F-score

7 / 9

FAILReturn on assets positiveROA -1.1%
PASSOperating cash flow positiveOCF 163M
PASSReturn on assets improving-5.1% → -1.1%
PASSCash flow exceeds earningsOCF 163M vs NI -15M
PASSLong-term debt ratio falling24.3% → 20.2% of assets
FAILCurrent ratio improving4.30 → 3.45
PASSNo share dilution188M → 185M shares
PASSGross margin improving44.3% → 46.3%
PASSAsset turnover improving0.51× → 0.63×

Altman Z-score

9.56safe

Bankruptcy-risk screen combining working capital, retained earnings, operating income, market value against liabilities, and asset turnover. Above 2.99 is the safe zone; below 1.81 is distress.

Six-year record

Year	Revenue	Net income	Free cash flow	Gross margin	Shares
FY2021	$591.2M	$18.0M	$79.9M	47.2%	176,416,645
FY2022	$768.7M	$119.4M	$86.2M	53.0%	191,811,205
FY2023	$973.7M	$187.4M	$113.4M	56.1%	193,688,102
FY2024	$1.0B	$152.7M	$56.9M	54.8%	194,674,352
FY2025	$725.0M	−$73.0M	$22.0M	44.3%	187,707,391

Ownership flow

12 institutions tracked — 8 added, 3 reduced, 1 opened a new position, 2 sold out.

Institutional holders of ALLEGRO MICROSYSTEMS, INC. and their share-count change
Manager	Kind	Shares	Change	Value
JPMORGAN CHASE & CO	Active fund	12,723,790	+4,071,722	$844.9M
PRICE T ROWE ASSOCIATES INC /MD/	Active fund	3,710,288	+3,596,489	$258.3M
FMR LLC	Active fund	25,581,021	−1,840,185	$1.8B
BlackRock, Inc.	Index	13,889,324	+1,394,456	$967.0M

Identity

CIK: 0000866291
LEI: 54930004TGPV6DR3LE12
FIGI: BBG00H5S8391
SIC: 3674 · Semiconductors & Related Devices
Headquarters: MANCHESTER, NH

Ownership

Institutional: 80.8%
Institutions: 521
Insiders: 32.5%

Ownership percentages are a vendor aggregate, not a filing — unlike everything else on this page.

Other semiconductors & related devices companies

ALLEGRO MICROSYSTEMS, INC. files under SIC 3674 — all 36 semiconductors & related devices companies compared on assets and F-score.

INTEL CORPINTC NVIDIA CORPNVDA Broadcom Inc.AVGO MICRON TECHNOLOGY INCMU ADVANCED MICRO DEVICES INCAMD ANALOG DEVICES INCADI

Questions about ALLEGRO MICROSYSTEMS, INC.

How many subsidiaries does ALLEGRO MICROSYSTEMS, INC. file with the SEC?: 15, listed in its most recent exhibit 21. They are incorporated across 11 jurisdictions, led by Delaware, Argentina, United Kingdom. That exhibit is filed with the company's annual report and is the company's own list, not an estimate.
Is ALLEGRO MICROSYSTEMS, INC. financially healthy?: ALLEGRO MICROSYSTEMS, INC. scores 7 out of 9 on the Piotroski F-score. Its Altman Z-score puts it in the safe zone. Every test and the numbers behind it are shown above, so the arithmetic is checkable rather than something you have to take on trust.
Who are the largest institutional holders of ALLEGRO MICROSYSTEMS, INC.?: Among the managers tracked here, the biggest positions as of the 2026-Q2 13F filings are FMR LLC (trimming), BlackRock, Inc. (adding), JPMORGAN CHASE & CO (adding). Direction is the change in share count against that manager's own previous filing; managers with no prior filing are left out rather than counted as new buyers.

This page is one panel of the terminal

The structure map above is the Corporate Blueprint, and in the desktop it is interactive — click any entity to re-centre the map on it and walk the ownership chain. It sits alongside the screener, the scorecard and the filings lab on one desk, on your machine.

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Sourced from SEC EDGAR primary filings. Figures are as reported by the company and are not investment advice. Scores are standard published screens computed from those filings; every input is shown above so you can check the arithmetic.