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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, Q2 2024

Institutional positions in Allegro Microsystems, Inc. as of Jun 30, 2024. 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
268
−5 vs. Q1 2024
Shares held
107.2M
+3.34M (+3.2%) vs. Q1 2024
Total value
$3.03B
+$228.9M (+8.2%) vs. Q1 2024
New holders
40
110 more added
Sold out
45
85 more reduced

4 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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 holdersQ2 2024: 268 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 heldQ2 2024: $3.03B
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, Q2 2024

Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q1 2024.

Institutions holding ALGM in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
ProShare Advisors LLC13,280$375.0K0.00%+1,123+9.2%Added
New Mexico Educational Retirement Board13,300$376.0K0.01%00.0%Unchanged
The PNC Financial Services Group, Inc.13,505$381.4K0.00%+2,084+18.2%Added
Advisor Group Holdings, Inc.13,850$391.1K0.00%−450−3.1%Reduced
Aigen Investment Management, LP13,994$395.2K0.08%+2,262+19.3%Added
Quest Partners LLC14,149$399.6K0.05%+14,149New
Oregon Public Employees Retirement Fund14,797$417.9K0.01%−2,900−16.4%Reduced
MML Investors Services, LLC14,968$423.0K0.00%+74+0.5%Added
Ameritas Investment Partners, Inc.15,199$429.2K0.01%−765−4.8%Reduced
Cetera Investment Advisers15,528$438.5K0.00%+7,452+92.3%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys15,838$447.3K0.00%+31+0.2%Added
Northwestern Mutual Investment Management Company, LLC15,948$450.4K0.01%+10+0.1%Added
Bayesian Capital Management, LP16,092$454.4K0.05%−29,422−64.6%Reduced
Victory Capital Management Inc16,536$467.0K0.00%+1,484+9.9%Added
American Century Companies Inc16,623$469.4K0.00%+167+1.0%Added
HSBC Holdings PLC16,668$470.7K0.00%+1,994+13.6%Added
State of Michigan Retirement System17,200$485.7K0.00%−300−1.7%Reduced
Thrivent Financial for Lutherans17,265$488.0K0.00%−642−3.6%Reduced
Creative Planning17,349$489.9K0.00%+3,540+25.6%Added
Mackenzie Financial Corp17,595$496.9K0.00%−9,051−34.0%Reduced
RSM US Wealth Management LLC18,454$515.6K0.01%+18,454New
Handelsbanken Fonder AB18,500$522.0K0.00%00.0%Unchanged
BNP Paribas18,870$532.9K0.03%−545−2.8%Reduced
Sciencast Management LP19,031$537.4K0.19%+19,031New
Zurcher Kantonalbank (Zurich Cantonalbank)19,736$557.3K0.00%+7,622+62.9%Added
Louisiana State Employees Retirement System20,200$570.4K0.01%−400−1.9%Reduced
Tower Research Capital LLC (TRC)20,460$577.8K0.01%+16,899+474.6%Added
Hussman Strategic Advisors, Inc.21,000$593.0K0.16%00.0%Unchanged
M&T Bank Corp21,996$621.3K0.00%−351−1.6%Reduced
Illinois Municipal Retirement Fund22,032$622.2K0.01%00.0%Unchanged
Global X Japan Co., Ltd.22,357$631.4K0.09%+7,641+51.9%Added
Teachers Retirement System of the State of Kentucky22,733$642.0K0.01%00.0%Unchanged
CI Private Wealth, LLC22,795$643.7K0.00%+1,856+8.9%Added
Cresset Asset Management, LLC23,401$660.8K0.00%+2,337+11.1%Added
Pathstone Holdings, LLC23,408$661.0K0.00%−1,661−6.6%Reduced
Jump Financial, LLC23,426$661.5K0.01%+2,834+13.8%Added
Ensign Peak Advisors, Inc23,466$662.7K0.00%00.0%Unchanged
Arizona State Retirement System24,329$687.1K0.00%+3,170+15.0%Added
Algert Global LLC25,744$727.0K0.02%+5,444+26.8%Added
SG Americas Securities, LLC27,401$774.0K0.00%+16,367+148.3%Added
Guggenheim Capital LLC28,320$799.8K0.01%−2,767−8.9%Reduced
Natixis Advisors, L.P.28,437$803.0K0.00%+9,059+46.7%Added
Public Employees Retirement System of Ohio28,872$815.3K0.00%+92+0.3%Added
Yousif Capital Management, LLC29,904$844.5K0.01%−2,555−7.9%Reduced
XTX Topco Ltd30,308$855.9K0.07%+30,308New
D. E. Shaw & Co., Inc.30,557$862.9K0.00%−14,099−31.6%Reduced
Calamos Advisors LLC31,475$888.9K0.00%00.0%Unchanged
Treasurer of the State of North Carolina32,728$924.0K0.00%−749−2.2%Reduced
Alps Advisors Inc32,784$925.8K0.01%−182−0.6%Reduced
Pacer Advisors, Inc.33,264$939.4K0.00%+22,655+213.5%Added
Oep Capital Advisors, L.P.35,000$988.4K0.71%−4,264,246−99.2%Reduced
State of Tennessee, Treasury Department35,000$988.4K0.00%00.0%Unchanged
Janus Henderson Group PLC36,057$1.02M0.00%−378,370−91.3%Reduced
Amalgamated Bank36,357$1.03M0.01%−3,636−9.1%Reduced
Mirabella Financial Services LLP36,413$1.03M0.07%+36,413New
Sumitomo Mitsui Trust Holdings, Inc.36,447$1.03M0.00%+2,053+6.0%Added
Twin Tree Management, LP36,957$1.04M0.03%+36,957New
MetLife Investment Management37,695$1.06M0.01%−4,725−11.1%Reduced
AQR Capital Management LLC39,055$1.10M0.00%−54,645−58.3%Reduced
Nissay Asset Management Corp39,318$1.11M0.01%+19,801+101.5%Added
Price T Rowe Associates Inc40,043$1.13M0.00%+3,225+8.8%Added
Barclays PLC40,203$1.14M0.00%−38,195−48.7%Reduced
Danske Bank A/S40,612$1.15M0.00%+36,312+844.5%Added
Mutual of America Capital Management LLC40,913$1.16M0.01%−1,666−3.9%Reduced
Vontobel Holding Ltd.41,016$1.16M0.00%−15,966−28.0%Reduced
Verition Fund Management LLC41,248$1.16M0.01%+4,882+13.4%Added
Quantinno Capital Management LP41,919$1.18M0.02%−66,229−61.2%Reduced
PDT Partners, LLC43,560$1.23M0.12%+30,634+237.0%Added
State Board of Administration of Florida Retirement System43,823$1.24M0.00%+13,190+43.1%Added
Royal Bank of Canada44,272$1.25M0.00%−160,125−78.3%Reduced
Covea Finance45,000$1.27M0.06%00.0%Unchanged
Needham Investment Management LLC51,000$1.44M0.12%+6,000+13.3%Added
Susquehanna Fundamental Investments, LLC51,487$1.45M0.03%−2,623−4.8%Reduced
LPL Financial LLC52,463$1.48M0.00%−6,601−11.2%Reduced
Russell Investments Group, Ltd.54,172$1.53M0.00%−1,562−2.8%Reduced
Aurora Investment Counsel56,005$1.58M0.93%−1,443−2.5%Reduced
TD Asset Management Inc58,600$1.65M0.00%+5,200+9.7%Added
Gotham Asset Management, LLC63,865$1.80M0.02%+30,613+92.1%Added
Redwood Investments, LLC65,744$1.84M0.63%−23,175−26.1%Reduced
Kornitzer Capital Management Inc75,000$2.12M0.04%00.0%Unchanged
Jefferies Financial Group Inc.77,500$2.19M0.04%+77,500New
Holocene Advisors, LP78,015$2.20M0.01%−91,317−53.9%Reduced
Ecofi Investissements SA81,400$2.35M1.31%+81,400New
California State Teachers Retirement System83,999$2.37M0.00%+6,360+8.2%Added
Raymond James & Associates84,554$2.39M0.00%+4,380+5.5%Added
Corebridge Financial, Inc.90,412$2.55M0.01%+90,412New
Citigroup Inc93,622$2.64M0.00%+24,586+35.6%Added
Bridgewater Associates, LP94,425$2.67M0.01%+94,425New
Man Group plc95,024$2.68M0.01%−15,487−14.0%Reduced
Envestnet Asset Management Inc101,459$2.87M0.00%+6,391+6.7%Added
Royce & Associates LP104,001$2.94M0.03%+104,001New
Robbins Farley LLC108,851$3.07M1.63%+4,467+4.3%Added
State of Alaska, Department of Revenue109,740$3.10M0.03%00.0%Unchanged
Alliancebernstein L.P.110,516$3.12M0.00%+2,037+1.9%Added
Citadel Advisors LLC112,175$3.17M0.00%−499,570−81.7%Reduced
1832 Asset Management L.P.113,048$3.19M0.01%−879,652−88.6%Reduced
Jane Street Group, LLC113,514$3.21M0.00%+38,596+51.5%Added
Legal & General Group Plc118,062$3.33M0.00%+1,833+1.6%Added
Eisler Capital (US) LLC118,638$3.35M0.63%+118,638New
Allianz Asset Management GmbH120,454$3.40M0.01%−89,477−42.6%Reduced