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Allegro Microsystems ALGM · USD

Information Technology · US listing · 🇺🇸 United States

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30.92

+9.76%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
FMR LLC27.4m14.80%+3.8m31 Mar 2026
Fidelity Management & Research Company LLC21.8m11.79%−3.7m31 Dec 2025
The Vanguard Group, Inc.14.2m7.65%−93.6k31 Dec 2025
Capital Research Global Investors13.1m7.08%−3.7m31 Dec 2025
BLACKROCK, INC.12.5m6.74%+293.4k31 Mar 2026
CAPITAL RESEARCH GLOBAL INVESTORS12.4m6.71%−675.7k31 Mar 2026
BlackRock Institutional Trust Company, N.A.10.3m5.58%+40.3k31 Dec 2025
INVESCO LTD.8.8m4.72%+1.1m31 Mar 2026
JPMORGAN CHASE & CO8.7m4.67%+1.3m31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC7.9m4.27%+7.9m31 Mar 2026
Invesco Advisers, Inc.6.4m3.47%+1.9m31 Dec 2025
VANGUARD CAPITAL MANAGEMENT LLC5.5m2.95%+5.5m31 Mar 2026
State Street Investment Management (US)5.4m2.89%+78.2k31 Dec 2025
STATE STREET CORP5.2m2.82%−131.4k31 Mar 2026
JP Morgan Asset Management5m2.68%+31k31 Dec 2025

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

10.4m

-8.6% on the period before. 3.4 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

46.0%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 25 Sept 2026165,575 shares
  • 22 Sept 202689,747 shares
  • 21 Sept 20266 shares
  • 17 Sept 202613 shares
  • 14 Sept 20267,097 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.