ALGM

Allegro Microsystems Inc

Latest period2026 - Q1Total superinvestors317

Top 10 Superinvestors by Shares Owned

This chart shows the top 10 superinvestors based on the number of shares they owned in 2025-Q4 and 2026-Q1. According to the most recent SEC 13F filing, 317 superinvestors own shares of Allegro Microsystems Inc (ALGM), although recent data may remain incomplete due to pending filings.

Quarter-over-Quarter Change (%)

This chart highlights the quarter-over-quarter change (%) in the number of superinvestors holding Allegro Microsystems Inc (ALGM), the total shares they held, and the total reported dollar value. It gives a clear view of whether there is ongoing momentum. The dotted lines at the top and bottom adjust longer bars to keep smaller data points visible for better comparison.

Superinvestors' Activity (%) Over the Last 4 Quarters

This chart shows superinvestors' activity with Allegro Microsystems Inc (ALGM) over the last four quarters, highlighting the percentage of investors who added, increased, decreased, held, or exited their positions, revealing shifts in sentiment over time.

Superinvestors' Past Actions

This chart displays superinvestors' past actions with Allegro Microsystems Inc (ALGM) over the last 10 years (40 quarters), helping to visualize the collective momentum and investment trends over time.

Superinvestors ownership

SuperinvestorPortfolio %Reported Value
Stephanie J. Brown@Fmr Llc
Recent Activity
Increased 16.02%
0.05%
$864.591M
27.421M shares@ 31.53 avg price
Spencer Fleming@Blackrock, Inc.
Recent Activity
Increased 2.41%
0.01%
$393.963M
12.495M shares@ 31.53 avg price
Martin Romo@Capital Research Global Investors
Recent Activity
Decreased -5.15%
0.07%
$392.093M
12.436M shares@ 31.54 avg price
Robert R. Leveille@Invesco Ltd.
Recent Activity
Increased 14.39%
0.05%
$275.934M
8.751M shares@ 31.54 avg price
Michael T. Lees@Jpmorgan Chase & Co
Recent Activity
Increased 17.76%
0.02%
$242.604M
8.652M shares@ 28.05 avg price
Christine M. Buchanan@Vanguard Portfolio Management Llc
Recent Activity
New Position
0.02%
$249.719M
7.92M shares@ 31.53 avg price
Christine M. Buchanan@Vanguard Capital Management Llc
Recent Activity
New Position
0.01%
$172.303M
5.465M shares@ 31.54 avg price
ELIZABETH SCHAEFER@State Street Corp
Recent Activity
Decreased -2.45%
0.01%
$164.842M
5.228M shares@ 31.53 avg price
Brian R. Murphy@Clearbridge Investments, Llc
Recent Activity
Decreased -1.81%
0.08%
$90.293M
2.864M shares@ 31.54 avg price
Laura Doherty@Geode Capital Management, Llc
Recent Activity
Increased 2.63%
0.01%
$77.481M
2.457M shares@ 31.54 avg price

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