Allegro MicroSystems Gains as AI Data Center Push and Earnings Setup Lift Sentiment

Allegro MicroSystems (ALGM) is up 9.8% today. Here is some analysis on what might have caused this price movement.

Analysis: The rally appears tied to a fresh product announcement aimed at AI data centers, which reinforces Allegro’s exposure to one of the market’s strongest semiconductor themes. Optimism may also be building ahead of the company’s fiscal second-quarter 2027 results, with investors looking for continued momentum in data center, automotive, and industrial demand.

Details:

On October 27, Allegro introduced new power and cooling products for 800V AI data centers and high-performance computing systems, highlighting solutions meant to improve power density, energy use, and thermal management.

The launch adds to Allegro’s positioning in current sensors, isolated gate drivers, and motor drivers, all of which are relevant to next-generation AI infrastructure.

The company has scheduled fiscal second-quarter 2027 earnings for October 29, which can draw buyers when investors expect a strong update or upbeat commentary.

Earlier company disclosures showed data center had already become a meaningful growth pillar, with that business reaching 10% of fiscal 2026 sales and 14% of fourth-quarter sales, helping support the view that newer AI-related products could matter financially over time.

Sources:

Allegro MicroSystems, SEC, Stock Analysis

Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.

$ALGM Insider Trading Activity

$ALGM insiders have traded $ALGM stock on the open market 7 times in the past 6 months. Of those trades, 0 have been purchases and 7 have been sales.

Here’s a breakdown of recent trading of $ALGM stock by insiders over the last 6 months:

MICHAEL DOOGUE (President and CEO) sold 30,089 shares for an estimated $1,421,250
SUSAN D LYNCH sold 16,711 shares for an estimated $759,625
SHARON BRIANSKY (SVP, GC and Secretary) sold 8,948 shares for an estimated $425,379
RICHARD MADORMO (SVP, Worldwide Sales) sold 5,000 shares for an estimated $263,600
ROALD GRAHAM WEBSTER (VP, Chief Accounting Officer) sold 5,217 shares for an estimated $234,165
IAN KENT (SVP, Global Operations) sold 2,642 shares for an estimated $109,801
ERIN HAGEN (SVP, CHRO) sold 2,285 shares for an estimated $101,431

To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.

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$ALGM Hedge Fund Activity

We have seen 208 institutional investors add shares of $ALGM stock to their portfolio, and 164 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

JPMORGAN CHASE & CO added 12,723,790 shares (+inf%) to their portfolio in Q2 2026, for an estimated $885,830,259
INVESCO LTD. added 4,926,912 shares (+56.3%) to their portfolio in Q2 2026, for an estimated $343,011,613
PRICE T ROWE ASSOCIATES INC /MD/ added 3,596,489 shares (+3160.4%) to their portfolio in Q2 2026, for an estimated $250,387,564
FMR LLC removed 1,840,185 shares (-6.7%) from their portfolio in Q2 2026, for an estimated $128,113,679
BLACKROCK, INC. added 1,394,456 shares (+11.2%) to their portfolio in Q2 2026, for an estimated $97,082,026
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ added 1,374,198 shares (+1983.1%) to their portfolio in Q2 2026, for an estimated $95,671,664
SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. added 1,360,525 shares (+inf%) to their portfolio in Q2 2026, for an estimated $94,719,750

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.

$ALGM Congressional Stock Trading

Members of Congress have traded $ALGM stock 1 times in the past 6 months. Of those trades, 1 have been purchases and 0 have been sales.

Here’s a breakdown of recent trading of $ALGM stock by members of Congress over the last 6 months:

REPRESENTATIVE GILBERT RAY CISNEROS, JR. purchased up to $15,000 on 09/29.

To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard. You can access data on congressional stock trades through the Quiver Quantitative API Congress trades endpoint.

$ALGM Analyst Ratings

Wall Street analysts have issued reports on $ALGM in the last several months. We have seen 2 firms issue buy ratings on the stock, and 0 firms issue sell ratings.

Here are some recent analyst ratings:

Mizuho issued a "Outperform" rating on 05/08/2026
Needham issued a "Buy" rating on 05/07/2026

To track analyst ratings and price targets for $ALGM, check out Quiver Quantitative's $ALGM forecast page.

$ALGM Price Targets

Multiple analysts have issued price targets for $ALGM recently. We have seen 7 analysts offer price targets for $ALGM in the last 6 months, with a median target of $55.0.

Here are some recent targets:

Vijay Rakesh from Mizuho set a target price of $67.0 on 06/29/2026
Joshua Buchalter from TD Cowen set a target price of $70.0 on 06/22/2026
Mark Lipacis from Evercore ISI Group set a target price of $53.0 on 05/08/2026
Tom O'Malley from Barclays set a target price of $48.0 on 05/08/2026
Joseph Quatrochi from Wells Fargo set a target price of $56.0 on 05/08/2026
Timothy Arcuri from UBS set a target price of $55.0 on 05/08/2026
N. Quinn Bolton from Needham set a target price of $55.0 on 05/07/2026

This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.