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Equity · Technology

ALGM

NASDAQ

Allegro MicroSystems (ALGM)

28.15 USD +5.16% vs prior close Nov 6, 2026
Allegro MicroSystems, Inc. price graph
63 sessions
45 25 11 Aug 6 Nov

The line runs 42.59 USD on 11 August through 28.15 USD on 6 November, on a scale from 25 to 45. Days the market did not trade hold the previous close, flat.

Market cap
5.2B USD
P/E (TTM)
175.9
Revenue, year to Mar 2026
890.1M USD
EPS, diluted, year to Mar 2026
−0.08 USD
52-week range
22.80 USD – 69.61 USD
Avg volume
210.7K
Mentions, 30 days
6
Net sentiment
+0.22

as of Nov 6, 2026

Have Allegro MicroSystems (ALGM) insiders bought or sold shares recently?

In the 90 days to 9 Nov 2026, Allegro MicroSystems insiders reported 1 open-market sale and no purchases (SEC Form 4); the filings we hold, back to 11 Nov 2025, show no open-market purchase.

Form 4, 90 days to 9 Nov 2026, newest reported trade 17 Aug 2026

Buys 0Sells 1Net sold $45KOther filings 0

Have Allegro MicroSystems (ALGM) insiders bought or sold shares recently?
ReportedInsiderTypeSharesValue
17 Aug 2026Raubacher JennieDirectorSell1,00045K USD

Which funds hold Allegro MicroSystems (ALGM)?

6 of the 45 institutional funds we track reported a Allegro MicroSystems position for the quarter ended 30 Jun 2026 — a combined 84.2M USD; the latest of those filings landed 02 Sep 2026.

Form 13F

Which funds hold Allegro MicroSystems (ALGM)?
FundPositionSharesValueShares q/q
AQR Capital ManagementAdded493,75333.4M USD+43.1%
Two Sigma InvestmentsTrimmed343,99423.9M USD−46.2%
Balyasny Asset ManagementHeld (±25%)267,28318.6M USD+8.7%
Man GroupTrimmed95,1016.6M USD−69.0%
Marshall WaceTrimmed13,309927K USD−98.2%
Maverick CapitalTrimmed10,094703K USD−76.1%
Bridgewater AssociatesExited
Citadel AdvisorsExited
Millennium ManagementExited
Renaissance TechnologiesExited

Have members of Congress traded Allegro MicroSystems (ALGM)?

The most recent congressional trade disclosed in Allegro MicroSystems is a purchase by Gilbert Ray Cisneros, Jr. (house, CA), dated 29 Sep 2026.

STOCK Act disclosures

Have members of Congress traded Allegro MicroSystems (ALGM)?
TradedMemberTypeAmountFiled after
29 Sep 2026Gilbert Ray Cisneros, Jr.house · Democrat–CAPurchase1K USD–15K USD13 days
17 Oct 2024Josh Gottheimerhouse · Democrat–NJPurchase1K USD–15K USD20 days
16 Sep 2024Josh Gottheimerhouse · Democrat–NJSale1K USD–15K USD17 days
11 Jan 2024Josh Gottheimerhouse · Democrat–NJPurchase1K USD–15K USD35 days
11 Dec 2023Josh Gottheimerhouse · Democrat–NJSale1K USD–15K USD27 days
27 Oct 2023Josh Gottheimerhouse · Democrat–NJPurchase1K USD–15K USD15 days
23 Jan 2023Josh Gottheimerhouse · Democrat–NJPurchase1K USD–15K USD25 days

What has been filed or recorded for Allegro MicroSystems (ALGM)?

The filings we hold for Allegro MicroSystems, newest first: 2 fails-to-deliver days, 7 quarterly earnings reports, 1 annual report and 5 reported financial figures, the latest dated 06 Oct 2026. No next earnings date is announced in SEC filings yet.

What has been filed or recorded for Allegro MicroSystems (ALGM)?
And
06 Oct 2026Fails to deliverShares failed to deliver13,091 shares503K USD notional · 0.007% of shares out
25 Sep 2026Fails to deliverShares failed to deliver165,575 shares5.8M USD notional · 0.089% of shares out
25 Sep 2026Quarterly earningsQ2 2027 reportedEPS 0.12 USDRevenue $277M
25 Sep 2026FinancialsTotal assets1.4B USDat period end
25 Sep 2026FinancialsTotal equity1.0B USDat period end
26 Jun 2026Quarterly earningsQ1 2027 reportedEPS 0.08 USDRevenue $259M
27 Mar 2026Annual reportFY 2026 reportedEPS −0.08 USDRevenue $890M
27 Mar 2026FinancialsRevenue890.1M USDfiscal year
27 Mar 2026FinancialsNet income−14.9M USDfiscal year
27 Mar 2026FinancialsDiluted EPS−0.08 USDfiscal year
26 Dec 2025Quarterly earningsQ3 2026 reportedEPS 0.04 USDRevenue $229M
26 Sep 2025Quarterly earningsQ2 2025 reportedEPS 0.03 USDRevenue $214M
27 Jun 2025Quarterly earningsQ1 2025 reportedEPS −0.07 USDRevenue $203M
28 Mar 2025Quarterly earningsQ1 2025 reportedRevenue $193M
27 Dec 2024Quarterly earningsQ3 2025 reportedEPS −0.04 USDRevenue $178M

What is Reddit saying about Allegro MicroSystems (ALGM)?

Reddit mentioned ALGM 6 times in the 30 days to 9 November 2026, in 1 of the communities we track. All of them were scored for sentiment: 33% read bullish, 0% bearish and 67% neither. Reddit data updated 9 November 2026.

30-day window, Method

Mentions, 30 days 6Bullish 33%Bearish 0%Communities 1Against the market −21 points

How do Reddit mentions of Allegro MicroSystems (ALGM) compare with its price?

Share ↗
6 mentions

Where Allegro MicroSystems (ALGM) is discussed

30 days

Where Allegro MicroSystems (ALGM) is discussed
CommunityShareMentionsNet sentiment
r/wallstreetbets100%6+0.22

Allegro MicroSystems (ALGM): frequently asked questions

From live data
28.15

What did Allegro MicroSystems shares close at?

Allegro MicroSystems closed at 28.15 USD on 6 Nov 2026, up 5.16% on the close before. That is the end-of-day price from Finazon, not a live quote.

5.2B

What is Allegro MicroSystems’ market cap?

Allegro MicroSystems is worth 5.2B USD by market value as of 6 Nov 2026, which is the share price times the shares on issue from its SEC filings.

175.9

What is Allegro MicroSystems’ P/E ratio?

Allegro MicroSystems has a price-to-earnings ratio of 175.9, as of 6 Nov 2026: the share price divided by what the company earned per share over the last four reported quarters. A higher number means the market pays more for each dollar of earnings.

890.1M

What is Allegro MicroSystems’ revenue?

Allegro MicroSystems reported revenue of 890.1M USD for the year ended 27 Mar 2026, as filed with the SEC. See Filings

1 sale

Have Allegro MicroSystems insiders bought or sold shares recently?

In the 90 days to 9 Nov 2026, Allegro MicroSystems insiders reported 1 open-market sale and no purchases (SEC Form 4); the filings we hold, back to 11 Nov 2025, show no open-market purchase. See Insiders

6 of 45

Which funds own Allegro MicroSystems?

6 of the 45 funds we track reported a Allegro MicroSystems position for the quarter ended 30 Jun 2026, per their SEC Form 13F filings. The largest reported positions were AQR Capital Management, Two Sigma Investments and Balyasny Asset Management. See Funds

7 trades

Have members of Congress traded Allegro MicroSystems?

Yes. 7 trades in Allegro MicroSystems appear in the congressional disclosures we hold; the latest is a purchase by Gilbert Ray Cisneros, Jr. (House, CA) dated 29 Sep 2026, filed 12 Oct 2026. Amounts are disclosed as ranges, and a filing can follow the trade by up to 45 days. See Congress

0.12

When did Allegro MicroSystems last report earnings?

Allegro MicroSystems last reported earnings on 25 Sep 2026 for Q2 2027, with EPS of 0.12 USD; no next date is announced in SEC filings yet. See Filings

0 mentions

What is Reddit saying about Allegro MicroSystems?

Allegro MicroSystems was mentioned 0 times in the last 7 days across the finance subreddits we track, and 6 times over the trailing 30 days. Of the 6 mentions scored for sentiment, 33% read bullish and 0% bearish. That is a social signal, not investment advice. See Reddit

Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.

References
  1. Finazonprior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source
  2. TradingViewthe price chart widget, drawn by TradingView from their own data
  3. RedditReddit ingest across the tracked finance subreddits
  4. SEC EDGARForm 4 filings (insider transactions)
  5. SEC EDGAR13F filings
  6. House disclosuresU.S. House of Representatives financial disclosures
  7. SECSEC fails-to-deliver (CNS) data
  8. SEC EDGARXBRL company facts, latest period ended 25 Sep 2026
  9. SEC EDGARreported earnings figures and scheduled report dates
  10. SEC EDGARValuation computed from SEC EDGAR filings