# Allegro Microsystems, Inc.: overview

ALGM · Nasdaq · CIK 866291 · [Technology](/sectors/technology.md) · fiscal year ends Mar 31

Pages: [Overview](/companies/algm.md) · [Financials](/companies/algm/financials.md) · [Filings](/companies/algm/filings.md) · [Insiders](/companies/algm/insiders.md)

Latest reported revenue: [$259.2m](/filings/0001193125-26-327128.md) for Q1 FY2027, three months to 2026-06-26, from the 10-Q filed Jul 31, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0001193125-26-327128).

## Last eight quarters

| Line item | Unit | Q2 FY2025 (2024-09-27) | Q3 FY2025 (2024-12-27) | Q4 FY2025 (2025-03-28) | Q1 FY2026 (2025-06-27) | Q2 FY2026 (2025-09-26) | Q3 FY2026 (2025-12-26) | Q4 FY2026 (2026-03-27) | Q1 FY2027 (2026-06-26) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [187](/filings/0001193125-25-259807.md) | [178](/filings/0001193125-26-030636.md) | [193](/filings/0000950170-25-101117.md) | [203](/filings/0001193125-26-327128.md) | [214](/filings/0001193125-25-259807.md) | [229](/filings/0001193125-26-030636.md) | [243 d](/filings/0001193125-26-233537.md) | [259](/filings/0001193125-26-327128.md) |
| Gross margin | % | [45.7%](/filings/0001193125-25-259807.md) | [45.7%](/filings/0001193125-26-030636.md) | [41.4% d](/filings/0001193125-26-233537.md) | [44.9%](/filings/0001193125-26-327128.md) | [46.3%](/filings/0001193125-25-259807.md) | [46.7%](/filings/0001193125-26-030636.md) | [47.0% d](/filings/0001193125-26-233537.md) | [48.5%](/filings/0001193125-26-327128.md) |
| Operating margin | % | [2.2%](/filings/0001193125-25-259807.md) | [(0.0%)](/filings/0001193125-26-030636.md) | [(6.8%) d](/filings/0001193125-26-233537.md) | [(1.3%)](/filings/0001193125-26-327128.md) | [2.9%](/filings/0001193125-25-259807.md) | [4.2%](/filings/0001193125-26-030636.md) | [2.2% d](/filings/0001193125-26-233537.md) | [9.8%](/filings/0001193125-26-327128.md) |
| Net margin | % | [(18.0%)](/filings/0001193125-25-259807.md) | [(3.9%)](/filings/0001193125-26-030636.md) | [(7.7%) d](/filings/0001193125-26-233537.md) | [(6.5%)](/filings/0001193125-26-327128.md) | [3.0%](/filings/0001193125-25-259807.md) | [3.6%](/filings/0001193125-26-030636.md) | [(6.8%) d](/filings/0001193125-26-233537.md) | [6.1%](/filings/0001193125-26-327128.md) |
| Diluted EPS | $ per share | [(0.18)](/filings/0001193125-25-259807.md) | [(0.04)](/filings/0001193125-26-030636.md) | not reported | [(0.07)](/filings/0001193125-26-327128.md) | [0.03](/filings/0001193125-25-259807.md) | [0.04](/filings/0001193125-26-030636.md) | not reported | [0.08](/filings/0001193125-26-327128.md) |
| Free cash flow | $m | [5.6 d](/filings/0001193125-25-259807.md) | [(21.8) d](/filings/0001193125-26-030636.md) | [15.0 d](/filings/0001193125-26-233537.md) | [51.0](/filings/0001193125-26-327128.md) | [13.9 d](/filings/0001193125-25-259807.md) | [41.3 d](/filings/0001193125-26-030636.md) | [18.7 d](/filings/0001193125-26-233537.md) | [14.0](/filings/0001193125-26-327128.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Derived values: 6-month figure less the 3-month figure; 9-month figure less the 6-month figure; 12-month figure less the 9-month figure.

## Last five fiscal years

| Line item | Unit | FY2022 (2022-03-25) | FY2023 (2023-03-31) | FY2024 (2024-03-29) | FY2025 (2025-03-28) | FY2026 (2026-03-27) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [769](/filings/0000950170-24-063770.md) | [974](/filings/0000950170-25-076059.md) | [1,049](/filings/0001193125-26-233537.md) | [725](/filings/0001193125-26-233537.md) | [890](/filings/0001193125-26-233537.md) |
| Gross margin | % | [53.0%](/filings/0000950170-24-063770.md) | [56.1%](/filings/0000950170-25-076059.md) | [54.8%](/filings/0001193125-26-233537.md) | [44.3%](/filings/0001193125-26-233537.md) | [46.3%](/filings/0001193125-26-233537.md) |
| Operating margin | % | [17.8%](/filings/0000950170-24-063770.md) | [20.9%](/filings/0000950170-25-076059.md) | [18.7%](/filings/0001193125-26-233537.md) | [(2.7%)](/filings/0001193125-26-233537.md) | [2.1%](/filings/0001193125-26-233537.md) |
| Net margin | % | [15.5%](/filings/0000950170-24-063770.md) | [19.2%](/filings/0000950170-25-076059.md) | [14.6%](/filings/0001193125-26-233537.md) | [(10.1%)](/filings/0001193125-26-233537.md) | [(1.7%)](/filings/0001193125-26-233537.md) |
| Diluted EPS | $ per share | [0.62](/filings/0000950170-24-063770.md) | [0.97](/filings/0000950170-25-076059.md) | [0.78](/filings/0001193125-26-233537.md) | [(0.39)](/filings/0001193125-26-233537.md) | [(0.08)](/filings/0001193125-26-233537.md) |
| Free cash flow | $m | [86.2](/filings/0000950170-24-063770.md) | [113](/filings/0000950170-25-076059.md) | [56.9](/filings/0001193125-26-233537.md) | [22.0](/filings/0001193125-26-233537.md) | [125](/filings/0001193125-26-233537.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/algm/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [FMR LLC](/funds/315066.md) | 2026-06-30 | $1.78bn | 25,581,021 |  | Reduced −1,840,185 |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $967.0m | 13,889,324 |  | Added +1,394,456 |
| [Invesco Ltd.](/funds/914208.md) | 2026-06-30 | $952.3m | 13,678,393 |  | Added +4,926,912 |
| [JPMORGAN CHASE & CO](/funds/19617.md) | 2026-06-30 | $844.9m | 12,723,790 |  | Added +4,071,722 |
| [Capital Research Global Investors](/funds/1422848.md) | 2026-06-30 | $835.9m | 12,006,396 |  | Reduced −429,162 |
| [VANGUARD PORTFOLIO MANAGEMENT LLC](/funds/2100121.md) | 2026-06-30 | $533.9m | 7,668,472 |  | Reduced −251,570 |
| [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $395.2m | 5,676,421 |  | Added +448,317 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $383.5m | 5,508,806 |  | Added +44,088 |
| [Clearbridge Investments, LLC](/funds/1348883.md) | 2026-06-30 | $205.1m | 2,946,239 |  | Added +82,529 |
| [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $184.2m | 2,644,929 |  | Added +188,109 |

## Recent filings

[All 521 filings](/companies/algm/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-30 | 08:59 ET | [10-Q](/filings/0001193125-26-439990.md) | Quarterly report, period 2026-09-25 | 0001193125-26-439990 |
| 2026-10-29 | 07:09 ET | [8-K](/filings/0001193125-26-436963.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-436963 |
| 2026-08-07 | 08:02 ET | [8-K](/filings/0001193125-26-339226.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-26-339226 |
| 2026-07-31 | 08:57 ET | [10-Q](/filings/0001193125-26-327128.md) | Quarterly report, period 2026-06-26 | 0001193125-26-327128 |
| 2026-07-30 | 07:07 ET | [8-K](/filings/0001193125-26-324869.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-324869 |
| 2026-06-24 | 07:27 ET | [DEF 14A](/filings/0001193125-26-280254.md) | Proxy statement, period 2026-08-05 | 0001193125-26-280254 |
| 2026-06-18 | 08:09 ET | [8-K](/filings/0001193125-26-275011.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-275011 |
| 2026-05-21 | 08:24 ET | [10-K](/filings/0001193125-26-233537.md) | Annual report, period 2026-03-27 | 0001193125-26-233537 |
| 2026-05-13 | 16:12 ET | [8-K](/filings/0001193125-26-221635.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-221635 |
| 2026-05-07 | 07:09 ET | [8-K](/filings/0001193125-26-210309.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-210309 |

## Latest annual report

[Form 10-K for the fiscal year ended Mar 27, 2026](/filings/0001193125-26-233537.md), filed May 21, 2026.

## Forecast league

Q2 FY2027, the quarter ended 2026-09-26, locked when the 8-K was accepted. It is scored when the 10-Q or 10-K is ingested. [See the target](/leagues/2026q3/targets/12b85043-da7f-4e73-a8b6-a25d4f594647)

## About the filer

- CIK: 866291
- Tickers: ALGM
- Exchange: Nasdaq
- SIC code: 3674 Semiconductors & Related Devices
- State of incorporation: not reported
- Filer category: Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 30, 2026, 09:01 ET. No prices; not investment advice.