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Allegro Microsystems, Inc.

ALGM
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0000866291

In the last 90 days, Allegro Microsystems, Inc. insiders filed 0 open-market purchases and 2 sales; 375 institutions reported holding it in 13F filings for Q2 2026, worth $10.2B in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q3 2022

Institutional positions in Allegro Microsystems, Inc. as of Sep 30, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
170
0 vs. Q2 2022
Shares held
90.4M
+2.00M (+2.3%) vs. Q2 2022
Total value
$1.97B
+$143.5M (+7.8%) vs. Q2 2022
New holders
25
76 more added
Sold out
25
51 more reduced

2 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ALGM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2022: 170 institutions
Q1 2021: 123 institutionsQ2 2021: 129 institutionsQ3 2021: 153 institutionsQ4 2021: 165 institutionsQ1 2022: 173 institutionsQ2 2022: 172 institutionsQ3 2022: 170 institutionsQ4 2022: 219 institutionsQ1 2023: 314 institutionsQ2 2023: 353 institutionsQ3 2023: 312 institutionsQ4 2023: 288 institutionsQ1 2024: 277 institutionsQ2 2024: 268 institutionsQ3 2024: 248 institutionsQ4 2024: 256 institutionsQ1 2025: 292 institutionsQ2 2025: 274 institutionsQ3 2025: 296 institutionsQ4 2025: 294 institutionsQ1 2026: 322 institutionsQ2 2026: 375 institutions
Value heldQ3 2022: $1.97B
Q1 2021: $1.98BQ2 2021: $2.22BQ3 2021: $2.71BQ4 2021: $3.18BQ1 2022: $2.54BQ2 2022: $1.83BQ3 2022: $1.97BQ4 2022: $2.89BQ1 2023: $4.67BQ2 2023: $4.41BQ3 2023: $2.99BQ4 2023: $2.91BQ1 2024: $2.80BQ2 2024: $3.03BQ3 2024: $3.32BQ4 2024: $3.11BQ1 2025: $3.96BQ2 2025: $4.99BQ3 2025: $3.97BQ4 2025: $3.60BQ1 2026: $4.32BQ2 2026: $10.2B
Institutions holding ALGM and their total value by quarter
QuarterHoldersValue
Q2 2026375$10.2B
Q1 2026322$4.32B
Q4 2025294$3.60B
Q3 2025296$3.97B
Q2 2025274$4.99B
Q1 2025292$3.96B
Q4 2024256$3.11B
Q3 2024248$3.32B
Q2 2024268$3.03B
Q1 2024277$2.80B
Q4 2023288$2.91B
Q3 2023312$2.99B
Q2 2023353$4.41B
Q1 2023314$4.67B
Q4 2022219$2.89B
Q3 2022170$1.97B
Q2 2022172$1.83B
Q1 2022173$2.54B
Q4 2021165$3.18B
Q3 2021153$2.71B
Q2 2021129$2.22B
Q1 2021123$1.98B

Institutions, Q3 2022

Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q2 2022.

Institutions holding ALGM in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Oep Capital Advisors, L.P.22,629,247$494.4M65.58%00.0%Unchanged
Vanguard Group Inc6,633,415$144.9M0.00%+263,189+4.1%Added
JPMorgan Chase & Co4,121,095$90.0M0.01%+152,271+3.8%Added
Clearbridge Investments, LLC4,050,758$88.5M0.09%+9,622+0.2%Added
Allspring Global Investments Holdings, LLC3,570,730$78.0M0.14%−827,973−18.8%Reduced
FMR LLC3,498,455$76.4M0.01%−50,476−1.4%Reduced
Invesco Ltd.3,352,145$73.2M0.02%+47,508+1.4%Added
Alliancebernstein L.P.3,104,475$67.8M0.03%+44,623+1.5%Added
BlackRock Inc.2,770,134$60.5M0.00%+561,330+25.4%Added
Principal Financial Group Inc2,431,151$53.1M0.04%−7,530−0.3%Reduced
Adage Capital Partners GP, L.L.C.2,287,304$50.0M0.12%+247,608+12.1%Added
TimesSquare Capital Management, LLC2,061,800$45.0M0.63%+182,610+9.7%Added
State Street Corp2,006,565$43.8M0.00%−172,587−7.9%Reduced
Macquarie Group Ltd1,964,733$42.9M0.05%−189,219−8.8%Reduced
Artisan Partners Limited Partnership1,810,715$39.6M0.07%−17,151−0.9%Reduced
Schroder Investment Management Group1,620,064$35.4M0.06%+272,597+20.2%Added
Goldman Sachs Group Inc1,587,658$34.7M0.01%−59,270−3.6%Reduced
Wellington Management Group LLP1,496,546$32.7M0.01%−55,154−3.6%Reduced
Federated Hermes, Inc.1,476,756$32.3M0.09%−1,130−0.1%Reduced
First Trust Advisors LP1,433,910$31.3M0.04%−44,530−3.0%Reduced
Geode Capital Management, LLC1,115,687$24.4M0.00%+177,905+19.0%Added
Bamco Inc778,795$17.0M0.06%00.0%Unchanged
Morgan Stanley664,413$14.5M0.00%+48,837+7.9%Added
ArrowMark Colorado Holdings LLC646,466$14.1M0.17%+135,268+26.5%Added
Intrinsic Edge Capital Management LLC632,241$13.8M1.54%+632,241New
Norges Bank619,844$13.5M0.00%+233,144+60.3%Added
Charles Schwab Investment Management Inc541,519$11.8M0.00%+108,564+25.1%Added
Summit Partners Public Asset Management, LLC503,699$11.0M0.91%+503,699New
SEI Investments Co498,442$10.9M0.02%+26,794+5.7%Added
Silvercrest Asset Management Group LLC494,883$10.8M0.09%+118,350+31.4%Added
Nuveen Asset Management, LLC438,181$9.57M0.00%+225,045+105.6%Added
Bank of America Corp403,230$8.81M0.00%−61,220−13.2%Reduced
Bank of New York Mellon Corp398,850$8.72M0.00%+212,011+113.5%Added
Renaissance Technologies LLC383,332$8.38M0.01%+84,532+28.3%Added
Pier Capital, LLC364,414$7.96M1.37%+7,441+2.1%Added
New York State Common Retirement Fund350,911$7.67M0.01%+4,653+1.3%Added
Mesirow Institutional Investment Management, Inc.318,412$6.96M1.01%+318,412New
S Squared Technology, LLC302,451$6.61M4.84%00.0%Unchanged
Deutsche Bank AG295,855$6.46M0.00%−104,105−26.0%Reduced
Northern Trust Corp276,790$6.05M0.00%+50,572+22.4%Added
Ameriprise Financial Inc222,495$4.86M0.00%+13,404+6.4%Added
Agf Investments Inc.215,000$4.70M0.04%00.0%Unchanged
Allianz Asset Management GmbH210,510$4.60M0.01%+79,121+60.2%Added
Balyasny Asset Management LLC207,987$4.54M0.02%+207,987New
Kennedy Capital Management, Inc.207,740$4.54M0.13%+2,393+1.2%Added
AQR Capital Management LLC204,556$4.47M0.01%−28,953−12.4%Reduced
Great Lakes Advisors, LLC189,659$4.14M0.09%+189,659New
Victory Capital Management Inc188,926$4.13M0.00%−9,694−4.9%Reduced
ExodusPoint Capital Management, LP184,359$4.03M0.06%−163,773−47.0%Reduced
Algert Global LLC162,944$3.56M0.22%+127,250+356.5%Added
Swiss National Bank158,100$3.45M0.00%+1,500+1.0%Added
State of Alaska, Department of Revenue155,203$3.39M0.05%+359+0.2%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.153,913$3.36M0.01%00.0%Unchanged
Trillium Asset Management, LLC151,416$3.31M0.11%+6,020+4.1%Added
Segall Bryant & Hamill, LLC137,824$3.01M0.04%+2,736+2.0%Added
Susquehanna International Group, LLP135,574$2.96M0.01%+115,981+592.0%Added
Lazard Asset Management LLC132,773$2.90M0.00%+6,800+5.4%Added
Voya Investment Management LLC132,546$2.90M0.00%+112,305+554.8%Added
State of Wisconsin Investment Board128,558$2.81M0.01%+9,309+7.8%Added
Roubaix Capital, LLC128,472$2.81M2.50%−5,993−4.5%Reduced
D. E. Shaw & Co., Inc.116,969$2.56M0.00%−21,643−15.6%Reduced
Healthcare of Ontario Pension Plan Trust Fund116,010$2.54M0.01%−63,054−35.2%Reduced
Force Hill Capital Management LP112,800$2.46M0.90%−281,800−71.4%Reduced
Los Angeles Capital Management LLC106,923$2.34M0.01%−500−0.5%Reduced
Millennium Management LLC102,086$2.23M0.00%−476,221−82.3%Reduced
Susquehanna Fundamental Investments, LLC101,480$2.22M0.04%+101,480New
Penn Capital Management Co Inc98,654$2.19M0.24%+6,913+7.5%Added
Man Group plc97,697$2.13M0.01%––
UBS Asset Management Americas Inc85,028$1.86M0.00%−5,439−6.0%Reduced
Cubist Systematic Strategies, LLC83,968$1.83M0.01%−100,007−54.4%Reduced
California State Teachers Retirement System83,707$1.83M0.00%+6,269+8.1%Added
Barclays PLC80,178$1.75M0.00%+2,056+2.6%Added
Eaton Vance Management70,693$1.54M0.00%−669−0.9%Reduced
Aviva PLC69,293$1.51M0.01%−17,454−20.1%Reduced
Credit Suisse AG66,159$1.45M0.00%+19,425+41.6%Added
Rhumbline Advisers64,412$1.41M0.00%+17,344+36.8%Added
Wells Fargo & Company61,609$1.35M0.00%−2,341−3.7%Reduced
Teacher Retirement System of Texas61,597$1.35M0.01%+50,105+436.0%Added
Prudential Financial Inc58,323$1.30M0.00%+58,323New
Alps Advisors Inc55,052$1.20M0.01%−2,671−4.6%Reduced
Premier Fund Managers Ltd51,142$1.14M0.08%−30,886−37.7%Reduced
Tocqueville Asset Management L.P.51,925$1.14M0.02%−80,720−60.9%Reduced
Sumitomo Mitsui Trust Holdings, Inc.51,309$1.12M0.00%00.0%Unchanged
Alpha Paradigm Partners, LLC51,179$1.12M0.49%+26,367+106.3%Added
PFS Investments Inc.50,848$1.11M0.02%+4,706+10.2%Added
Qube Research & Technologies Ltd50,768$1.11M0.01%−127,029−71.4%Reduced
Envestnet Asset Management Inc49,240$1.08M0.00%−4,576−8.5%Reduced
Jacobs Levy Equity Management, Inc48,079$1.05M0.01%+48,079New
Legal & General Group Plc47,867$1.05M0.00%+2,711+6.0%Added
Raymond James & Associates42,609$931.0K0.00%+662+1.6%Added
M&T Bank Corp42,020$919.0K0.00%+9,650+29.8%Added
Schonfeld Strategic Advisors LLC41,781$913.0K0.01%+41,781New
Virginia Retirement Systems Et Al37,600$821.6K0.01%+37,600New
Public Employees Retirement System of Ohio33,263$727.0K0.00%+9,499+40.0%Added
Tudor Investment Corp Et Al30,781$673.0K0.02%+30,781New
Tower Research Capital LLC (TRC)29,642$648.0K0.01%−3,280−10.0%Reduced
Citigroup Inc28,389$621.0K0.00%−4,601−13.9%Reduced
Treasurer of the State of North Carolina28,407$621.0K0.00%+8,220+40.7%Added
STRS Ohio27,811$607.0K0.00%−1,284−4.4%Reduced
Summit Global Investments27,200$594.0K0.05%+27,200New