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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, Q1 2024

Institutional positions in Allegro Microsystems, Inc. as of Mar 31, 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
277
−9 vs. Q4 2023
Shares held
104.0M
+7.65M (+7.9%) vs. Q4 2023
Total value
$2.80B
−$110.2M (−3.8%) vs. Q4 2023
New holders
43
105 more added
Sold out
52
93 more reduced

2 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 holdersQ1 2024: 277 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 heldQ1 2024: $2.80B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q4 2023.

Institutions holding ALGM in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Advisor Group Holdings, Inc.14,300$385.5K0.00%−3,417−19.3%Reduced
Truist Financial Corp14,544$392.1K0.00%+14,544New
HSBC Holdings PLC14,674$395.6K0.00%−13,984−48.8%Reduced
Global X Japan Co., Ltd.14,716$396.7K0.08%+9,783+198.3%Added
MML Investors Services, LLC14,894$402.0K0.00%+857+6.1%Added
Victory Capital Management Inc15,052$405.8K0.00%−122−0.8%Reduced
Axq Capital, LP15,299$412.5K0.10%+15,299New
Xponance, Inc.15,358$414.1K0.00%−735−4.6%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys15,807$426.2K0.00%+93+0.6%Added
Northwestern Mutual Investment Management Company, LLC15,938$429.7K0.01%+94+0.6%Added
Ameritas Investment Partners, Inc.15,964$430.4K0.01%00.0%Unchanged
American Century Companies Inc16,456$443.7K0.00%+669+4.2%Added
State of Michigan Retirement System17,500$471.8K0.00%+400+2.3%Added
Oregon Public Employees Retirement Fund17,697$477.1K0.01%−2,442−12.1%Reduced
Thrivent Financial for Lutherans17,907$483.0K0.00%+116+0.7%Added
Handelsbanken Fonder AB18,500$499.0K0.00%00.0%Unchanged
Natixis Advisors, L.P.19,378$522.0K0.00%+4,001+26.0%Added
BNP Paribas19,415$523.4K0.02%+19,415New
Nissay Asset Management Corp19,517$526.2K0.00%+19,517New
Scientech Research LLC19,557$527.3K0.28%+19,557New
Landscape Capital Management, L.L.C.19,687$530.8K0.05%+6,520+49.5%Added
Algert Global LLC20,300$547.3K0.02%−83,271−80.4%Reduced
Merlin Capital LLC20,573$554.6K1.65%+312+1.5%Added
Jump Financial, LLC20,592$555.2K0.02%−20,803−50.3%Reduced
Louisiana State Employees Retirement System20,600$555.4K0.01%+600+3.0%Added
CI Private Wealth, LLC20,939$564.5K0.00%+20,939New
Hussman Strategic Advisors, Inc.21,000$566.2K0.13%−42,000−66.7%Reduced
Cresset Asset Management, LLC21,064$567.9K0.00%+8,028+61.6%Added
Arizona State Retirement System21,159$570.4K0.00%−353−1.6%Reduced
Juncture Wealth Strategies, LLC21,620$582.9K0.25%+21,620New
Qsemble Capital Management, LP21,641$583.4K0.13%+21,641New
Prelude Capital Management, LLC21,737$586.0K0.04%+21,737New
Illinois Municipal Retirement Fund22,032$594.0K0.01%00.0%Unchanged
M&T Bank Corp22,347$602.3K0.00%−28,674−56.2%Reduced
Two Sigma Securities, LLC22,687$611.6K0.03%+13,264+140.8%Added
Teachers Retirement System of the State of Kentucky22,733$613.0K0.01%00.0%Unchanged
Tudor Investment Corp Et Al22,854$616.1K0.01%+22,854New
Ensign Peak Advisors, Inc23,466$632.6K0.00%−1,184−4.8%Reduced
Simplex Trading, LLC24,040$648.0K0.02%+24,040New
Pathstone Holdings, LLC25,069$675.9K0.00%+2,566+11.4%Added
Mackenzie Financial Corp26,646$718.4K0.00%+19,574+276.8%Added
Bank of Montreal23,645$756.9K0.00%+23,645New
Public Employees Retirement System of Ohio28,780$775.9K0.00%−2,613−8.3%Reduced
Aquatic Capital Management LLC29,000$781.8K0.03%+8,600+42.2%Added
Comerica Bank29,579$797.5K0.00%−642−2.1%Reduced
Renaissance Technologies LLC31,000$836.0K0.00%−71,785−69.8%Reduced
Guggenheim Capital LLC31,087$838.1K0.01%+2,970+10.6%Added
Calamos Advisors LLC31,475$848.6K0.00%+12,975+70.1%Added
Yousif Capital Management, LLC32,459$875.1K0.01%−492−1.5%Reduced
Alps Advisors Inc32,966$888.8K0.01%−15,005−31.3%Reduced
Gotham Asset Management, LLC33,252$896.5K0.01%+3,026+10.0%Added
Treasurer of the State of North Carolina33,477$903.0K0.00%+230+0.7%Added
Rockefeller Capital Management L.P.33,976$916.0K0.00%−32,216−48.7%Reduced
Sumitomo Mitsui Trust Holdings, Inc.34,394$927.3K0.00%−3,418−9.0%Reduced
State of Tennessee, Treasury Department35,000$943.6K0.00%+18,000+105.9%Added
Verition Fund Management LLC36,366$980.4K0.01%+8,196+29.1%Added
Price T Rowe Associates Inc36,818$993.0K0.00%+2,353+6.8%Added
Amalgamated Bank39,993$1.08M0.01%−9,661−19.5%Reduced
Harel Insurance Investments & Financial Services Ltd.40,930$1.10M0.02%−6,500−13.7%Reduced
MetLife Investment Management42,420$1.14M0.01%−894−2.1%Reduced
Mutual of America Capital Management LLC42,579$1.15M0.01%−1,342−3.1%Reduced
D. E. Shaw & Co., Inc.44,656$1.20M0.00%+26,766+149.6%Added
Needham Investment Management LLC45,000$1.21M0.11%00.0%Unchanged
Covea Finance45,000$1.21M0.06%00.0%Unchanged
Bayesian Capital Management, LP45,514$1.23M0.12%+31,300+220.2%Added
Sherbrooke Park Advisers LLC52,932$1.43M0.28%+21,334+67.5%Added
Voya Investment Management LLC53,144$1.43M0.00%−41,827−44.0%Reduced
TD Asset Management Inc53,400$1.44M0.00%+6,600+14.1%Added
Susquehanna Fundamental Investments, LLC54,110$1.46M0.07%+54,110New
State Board of Administration of Florida Retirement System30,633$1.47M0.00%−13,190−30.1%Reduced
Russell Investments Group, Ltd.55,734$1.50M0.00%+39,289+238.9%Added
Centiva Capital, LP56,854$1.53M0.09%+33,413+142.5%Added
Vontobel Holding Ltd.56,982$1.54M0.01%−18,432−24.4%Reduced
Susquehanna International Group, LLP57,196$1.54M0.00%+45,481+388.2%Added
Aurora Investment Counsel57,448$1.55M0.89%+312+0.5%Added
LPL Financial LLC59,064$1.59M0.00%+10,398+21.4%Added
Dynamic Technology Lab Private Ltd59,123$1.59M0.17%+21,705+58.0%Added
Alyeska Investment Group, L.P.60,000$1.62M0.01%+60,000New
Texas Permanent School Fund62,538$1.69M0.01%+1,019+1.7%Added
Citigroup Inc69,036$1.86M0.00%−11,160−13.9%Reduced
Jane Street Group, LLC74,918$2.02M0.00%−50,604−40.3%Reduced
Kornitzer Capital Management Inc75,000$2.02M0.04%+75,000New
California State Teachers Retirement System77,639$2.09M0.00%−3,842−4.7%Reduced
Voloridge Investment Management, LLC77,669$2.09M0.01%−188,255−70.8%Reduced
Barclays PLC78,398$2.11M0.00%+11,436+17.1%Added
Credit Suisse AG79,796$2.15M0.00%00.0%Unchanged
Raymond James & Associates80,174$2.16M0.00%+21,864+37.5%Added
Walleye Capital LLC82,308$2.22M0.02%+53,287+183.6%Added
Redwood Investments, LLC88,919$2.36M0.69%−17,622−16.5%Reduced
State of New Jersey Common Pension Fund D91,566$2.47M0.01%00.0%Unchanged
AQR Capital Management LLC93,700$2.53M0.00%−257,053−73.3%Reduced
Envestnet Asset Management Inc95,068$2.56M0.00%+33,039+53.3%Added
American International Group, Inc.95,250$2.57M0.01%−1,629−1.7%Reduced
Squarepoint Ops LLC102,338$2.76M0.01%+94,602+1,222.9%Added
Robbins Farley LLC104,384$2.81M1.55%+45,378+76.9%Added
Atom Investors LP108,038$2.91M0.37%−34,294−24.1%Reduced
Quantinno Capital Management LP108,148$2.92M0.06%+89,855+491.2%Added
Alliancebernstein L.P.108,479$2.92M0.00%−782,495−87.8%Reduced
State of Alaska, Department of Revenue109,740$2.96M0.03%00.0%Unchanged
Man Group plc110,511$2.98M0.01%−12,899−10.5%Reduced