Companies / Allegro Microsystems Inc

Allegro Microsystems Inc

Nasdaq: ALGMCIK 866291MANCHESTER, NH

Financials · FY2026

Revenue$890.10M
Net income$-14.90M
Total debt$285.66M
Cash$162.03M
Diluted EPS$-0.08
Shares outstanding186.4M

Ownership

186.4M shares outstanding · as of Jul 27, 2026
0.22%Insiders
Ownership
Insiders0.22%413,248
10%+ / strategic12.68%23,635,746
Institutions61.08%113,845,035
Public float26.02%48,508,017

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 5

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Insider% of sharesShares
D'Antilio DerekEVP, CFO & Treasurer
0.12%216,776
Briansky SharonSVP, GC and Secretary
0.05%84,180
Madormo RichardSVP, Worldwide Sales
0.03%60,311
Hagen ErinSVP, CHRO
0.02%30,094
Kent IanSVP, Global Operations
0.01%21,887

Institutional holders 308

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HolderValue% of shares
BlackRock, Inc.$966.97M7.45%
Fmr LLC$623.51M12.68%
State Street Corporation$395.19M3.05%
Vanguard Group Inc$374.66M7.62%
Capital Research Global Investors$345.88M7.03%
Invesco Ltd.$201.83M4.10%
JPMORGAN CHASE & CO$193.83M3.94%
Clearbridge Investments, LLC$90.29M1.54%
Geode Capital Management, LLC$77.48M1.32%
Citadel Advisors LLC$67.55M1.37%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Feb 13, 2026D'Antilio Derek
Executive
OtherCommon Stock$754.7K-18K
-7.28%
226,771
0.12% of shares
low
Feb 17, 2026Briansky Sharon
Executive
SellCommon Stock$384.8K-9K
-8.25%
103,014
0.06% of shares
medium
Feb 13, 2026Briansky Sharon
Executive
OtherCommon Stock$381.0K-9K
-7.41%
112,272
0.06% of shares
low
Feb 27, 2026D'Antilio Derek
Executive
OtherCommon Stock$364.5K-10K
-4.41%
216,776
0.12% of shares
low
Mar 2, 2026Briansky Sharon
Executive
SellCommon Stock$340.4K-10K
-10.36%
84,180
0.05% of shares
medium
Feb 27, 2026Briansky Sharon
Executive
OtherCommon Stock$332.1K-9K
-8.84%
93,907
0.05% of shares
low
Mar 24, 2026Madormo Richard
Executive
OtherCommon Stock$211.7K-6K
-9.73%
60,311
0.03% of shares
low
Mar 2, 2026Hagen Erin
Executive
SellCommon Stock$90.9K-3K
-7.95%
30,094
0.02% of shares
low

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vanguard Group IncPassive13G/A—0—
Capital Research Global InvestorsPassive13G/A———
Fmr LLCPassive13G/A—23,635,746—

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
ALGM——01749D105—