Semiconductors & Related Devices · SIC 3674

ALLEGRO MICROSYSTEMS, INC.

ALGM

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Latest revenue

$229.2M

as of 2025-12-26

Latest net income

$1.6M

as of 2025-12-26

Net margin

0.7%

as of 2025-12-26

Price · 5Y

+11.9% / yr 1.8 pts / yr vs S&P 500 75.3% total
Compare:

Live market

delayed ≤15 min
$45.95
2.80%
Market cap
$8.56B
Enterprise value
$8.56B
P/E (trailing)
Forward P/E
P/B
Dividend yield
0.0%
52-wk high
$51.40
52-wk low
$22.41
Beta
Shares out
186.2M

5-year trend

dashed bar = fiscal Q4 derived from 10-K annual − Q1 − Q2 − Q3 (SEC requires only three 10-Qs per year).

What this company does

AI

Item 1. Business. Our Mission Our mission is to be the global leader in semiconductor technology with magnetic sensing and power solutions that drive e-Mobility, clean energy and automation. Company Overview The Company is a leading global designer, developer, fabless manufacturer and marketer of sensor integrated circuits (“ICs”) and application-specific power ICs, enabling the most important emerging technologies in the automotive and industrial markets. With the broadest portfolio of magnetic sensor IC solutions available, underpinned by our strong position in the automotive market, we are the leading magnetic sensor supplier worldwide based on market share. Our products are foundational…

AI summary unavailable — showing raw filing excerpt

Generated from ALGM's filing dated 2025-05-22

Key risks

AI

Item 1A. Risk Factors. An investment in our common stock involves risks. You should consider these risks carefully, as well as the other information contained in this Annual Report. If any of these risks occurs or increases in scope or severity, our business, financial condition and results of operations could be harmed materially. In that event, the trading price of our common stock might decline, and you might lose all or part of your investment. You should also refer to the other information contained in this Annual Report, including our consolidated financial statements and the related notes. Additional risks and uncertainties not presently known to us or not believed by us to be…

AI summary unavailable — showing raw filing excerpt

Generated from ALGM's filing dated 2025-05-22

Profitability

Gross margin

44.3%

19.0%

Operating margin

-2.7%

114.6%

Net margin

-10.1%

169.2%

Return on equity

-7.9%

158.1%

Return on assets

-5.1%

151.5%

Leverage

Debt / equity

0.53×

49.3%

Long-term debt / equity

0.37×

67.9%

Debt / assets

34.6%

32.3%

Earnings tracker

QuarterRevenueYoYNet incomeYoYNet margin

Q4 2025

2025-12-26

$229.2M+28.9%$1.6M+123.2%0.7%

Q3 2025

2025-09-26

$214.3M+14.4%$6.5M+119.4%3.0%

Q2 2025

2025-06-27

$203.4M+21.9%$-13.2M+25.2%-6.5%

Q1 2025

2025-03-28

$192.8M-19.9%$-14.8M-108.0%-7.7%

Q4 2024

2024-12-27

$177.9M-30.2%$-6.9M-120.6%-3.9%

Q3 2024

2024-09-27

$187.4M-32.0%$-33.7M-151.3%-18.0%

Q2 2024

2024-06-28

$166.9M-40.0%$-17.7M-129.0%-10.6%

Q1 2024

2024-03-29

$240.6M$-7.1M-3.0%

Year-over-year change vs the same fiscal quarter one year prior. Revenue + net income sourced from SEC 10-Q / 10-K filings — no analyst-consensus dependency.

Industry trend

Semiconductors & Related Devices · SIC 3674

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Insider activity

Insider buying

$0

Insider selling

$5.3M

Net activity

−$5.3M

Distinct insiders

7

Open-market trades over the last 365 days.

Recent transactions

DateInsiderTypeSharesPriceValue
2026-05-18

Ian Kent

SVP, Global Operations

Sale2,642$41.56$109.8K
2026-05-14

Susan D Lynch

Director

Sale16,711$45.46$759.6K
2026-05-11

Sharon Briansky

SVP, GC and Secretary

Sale8,948$47.54$425.4K
2026-05-11

Michael Doogue

President and CEO

Sale30,089$47.23$1.4M
2026-03-02

Sharon Briansky

SVP, GC and Secretary

Sale9,727$35.00$340.4K
2026-03-02

Erin Hagen

SVP, CHRO

Sale2,598$35.00$90.9K
2026-02-17

Sharon Briansky

SVP, GC and Secretary

Sale9,258$41.56$384.8K
2025-12-10

Sharon Briansky

SVP, GC and Secretary

Sale27,873$30.00$836.2K
2025-08-22

Roald Graham Webster

VP, Chief Accounting Officer

Sale8,266$32.81$271.2K
2025-08-12

Richard R. Lury

Director

Sale7,000$31.81$222.7K
2025-08-04

Erin Hagen

SVP, CHRO

Sale5,043$31.18$157.2K
2025-06-11

Richard R. Lury

Director

Sale3,100$30.45$94.4K
2025-06-04

Richard R. Lury

Director

Sale6,849$27.60$189.0K

Source: SEC Form 4 filings. Officers, directors, and 10%+ owners must disclose share transactions within two business days. RSU grants and tax-withholding rows are excluded by default — compensation activity is not a trading signal.

Who owns ALGM

Institutional value

$2.29B

Total shares held

74.7M

Distinct holders

190

-102 vs prior

As of

2026-03-31

Prior: 2025-12-31

Filers with $100M+ AUM disclose holdings 45 days after quarter end.

Top institutional holders

#ManagerSharesValueQoQ changeAction
1BlackRock, Inc.12.5M$394.0M+293.4K (+2.4%)Added
2Capital Research Global Investors12.4M$392.1M-675.7K (-5.2%)Trimmed
3Invesco Ltd.8.8M$275.9M+1.1M (+14.4%)Added
4VANGUARD PORTFOLIO MANAGEMENT LLC7.9M$249.7MNew
5JPMORGAN CHASE & CO8.7M$242.6M+1.3M (+17.8%)Added
6VANGUARD CAPITAL MANAGEMENT LLC5.5M$172.3MNew
7Clearbridge Investments, LLC2.9M$90.3M-53.1K (-1.8%)Trimmed
8DIMENSIONAL FUND ADVISORS LP2.2M$68.4M+30.3K (+1.4%)Added
9PRINCIPAL FINANCIAL GROUP INC1.8M$56.5M+48.2K (+2.8%)Added
10Voya Investment Management LLC1.5M$46.0M+518.9K (+55.2%)Added
11Nuveen, LLC947.5K$29.9M+705.6K (+291.6%)Added
12KENNEDY CAPITAL MANAGEMENT LLC910.0K$28.7M+865.2K (+1928.6%)Added
13VANGUARD FIDUCIARY TRUST CO765.9K$24.1MNew
14Bank of New York Mellon Corp743.3K$23.4M-7.3K (-1.0%)Trimmed
15Lightrock Netherlands B.V.508.0K$16.0M+153.6K (+43.3%)Added
16UBS Group AG435.4K$13.7M+161.1K (+58.7%)Added
17FIRST TRUST ADVISORS LP414.9K$13.1M-34.1K (-7.6%)Trimmed
18UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC345.1K$10.9M+14.3K (+4.3%)Added
19Allspring Global Investments Holdings, LLC307.6K$10.2M-48.4K (-13.6%)Trimmed
20RHUMBLINE ADVISERS308.4K$9.7M+8.2K (+2.7%)Added

Source: SEC Form 13F-HR. Positions aggregated across sub-managers within each firm. Options (puts/calls) excluded — common stock only.

Top questions investors are asking

Coming once ALGM's latest filing finishes processing.