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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 2023

Institutional positions in Allegro Microsystems, Inc. as of Sep 30, 2023. 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
312
−36 vs. Q2 2023
Shares held
98.4M
+933.2K (+1.0%) vs. Q2 2023
Total value
$2.99B
−$1.41B (−32.0%) vs. Q2 2023
New holders
42
139 more added
Sold out
78
96 more reduced

5 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 312 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 2023: $2.99B
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 2023

Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q2 2023.

Institutions holding ALGM in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
GTS Securities LLC8,631$275.7K0.01%+1,576+22.3%Added
Asset Management One Co.,Ltd.8,714$278.3K0.00%00.0%Unchanged
Pinebridge Investments, L.P.8,852$282.7K0.00%−6,677−43.0%Reduced
Graham Capital Management, L.P.8,896$284.1K0.01%−2,659−23.0%Reduced
Mackenzie Financial Corp9,682$290.3K0.00%+9,682New
Pacer Advisors, Inc.9,317$297.6K0.00%−4,493−32.5%Reduced
Pictet Asset Management Holding SA9,344$298.4K0.00%+9,344New
XTX Topco Ltd9,370$299.3K0.05%+9,370New
Blueshift Asset Management, LLC9,384$299.7K0.18%+9,384New
MML Investors Services, LLC9,443$302.0K0.00%+3,077+48.3%Added
AE Wealth Management LLC9,501$303.5K0.00%−12,558−56.9%Reduced
Mariner, LLC9,904$316.3K0.00%+115+1.2%Added
Winton Group Ltd10,518$335.9K0.03%+1,865+21.6%Added
ProShare Advisors LLC10,624$339.3K0.00%+1,553+17.1%Added
Great Lakes Advisors, LLC10,660$340.5K0.00%−1,809−14.5%Reduced
Jackson Creek Investment Advisors LLC11,182$357.0K0.15%−328−2.8%Reduced
Campbell & CO Investment Adviser LLC11,952$381.7K0.05%−10,948−47.8%Reduced
Point72 Asset Management, L.P.12,100$386.5K0.00%+12,100New
Zurcher Kantonalbank (Zurich Cantonalbank)12,157$388.3K0.00%+1,454+13.6%Added
Advisors Asset Management, Inc.12,179$389.0K0.01%+153+1.3%Added
Ontario Teachers Pension Plan Board12,212$390.1K0.00%+12,212New
Saturna Capital CORP12,243$391.0K0.01%+3,080+33.6%Added
Natixis Advisors, L.P.12,339$394.0K0.00%−570−4.4%Reduced
Squarepoint Ops LLC12,357$394.7K0.00%−41,413−77.0%Reduced
Quantinno Capital Management LP12,666$405.0K0.02%−5,600−30.7%Reduced
Hillsdale Investment Management Inc.13,100$418.4K0.04%+500+4.0%Added
New Mexico Educational Retirement Board13,300$425.0K0.02%00.0%Unchanged
Raymond James Financial Services Advisors, Inc.13,654$436.1K0.00%−4,318−24.0%Reduced
Eqis Capital Management, Inc.13,836$441.9K0.05%+2,745+24.7%Added
Merlin Capital LLC13,948$445.5K1.67%+245+1.8%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys14,414$460.4K0.00%−17,101−54.3%Reduced
Simplex Trading, LLC14,623$467.0K0.02%+3,690+33.8%Added
Robeco Institutional Asset Management B.V.14,963$477.9K0.00%00.0%Unchanged
Pathstone Family Office, LLC15,594$498.1K0.00%+7,504+92.8%Added
Northwestern Mutual Investment Management Company, LLC15,786$504.2K0.01%+1,297+9.0%Added
Ameritas Investment Partners, Inc.15,964$509.9K0.02%−317−1.9%Reduced
DekaBank Deutsche Girozentrale15,991$517.0K0.00%+11,919+292.7%Added
Ensign Peak Advisors, Inc16,300$520.6K0.00%00.0%Unchanged
New York State Teachers Retirement System16,309$521.0K0.00%−100−0.6%Reduced
Xponance, Inc.16,383$523.3K0.01%+1,664+11.3%Added
State of Michigan Retirement System17,000$543.0K0.00%+900+5.6%Added
Handelsbanken Fonder AB17,200$549.0K0.00%00.0%Unchanged
Aviva PLC17,338$553.8K0.00%−18,494−51.6%Reduced
Thrivent Financial for Lutherans17,823$569.0K0.00%+995+5.9%Added
Outlook Wealth Advisors, LLC18,048$576.5K0.22%−1,466−7.5%Reduced
Commonwealth Equity Services, LLC18,640$595.0K0.00%+3,225+20.9%Added
Intech Investment Management LLC19,084$609.5K0.01%−4,277−18.3%Reduced
Oregon Public Employees Retirement Fund19,939$636.9K0.01%+1,100+5.8%Added
Juncture Wealth Strategies, LLC20,009$639.1K0.31%+450+2.3%Added
NVWM, LLC20,087$641.6K0.21%+20,087New
Louisiana State Employees Retirement System20,200$645.2K0.01%+1,200+6.3%Added
Nebula Research & Development LLC20,982$670.2K0.35%+20,982New
Captrust Financial Advisors21,014$671.2K0.00%−10,162−32.6%Reduced
Arizona State Retirement System21,891$699.2K0.01%+375+1.7%Added
Illinois Municipal Retirement Fund22,032$704.0K0.01%+5,847+36.1%Added
Stifel Financial Corp22,207$709.3K0.00%−1,620−6.8%Reduced
Teachers Retirement System of the State of Kentucky22,733$726.0K0.01%+10,725+89.3%Added
CenterBook Partners LP23,744$758.4K0.09%+12,953+120.0%Added
Teacher Retirement System of Texas24,524$783.0K0.01%−1,219−4.7%Reduced
Russell Investments Group, Ltd.24,749$790.5K0.00%−21,689−46.7%Reduced
Advisory Research Inc25,261$806.8K0.11%+25,261New
Gould Capital, LLC25,470$812.2K0.66%+25,470New
Dynamic Technology Lab Private Ltd26,097$834.0K0.08%−27,803−51.6%Reduced
Harvest Investment Services, LLC26,724$853.6K0.55%+485+1.8%Added
Price T Rowe Associates Inc28,140$899.0K0.00%+1,990+7.6%Added
Guggenheim Capital LLC28,208$901.0K0.01%+8,269+41.5%Added
UBS Group AG28,278$903.2K0.00%−19,422−40.7%Reduced
FORA Capital, LLC28,287$903.5K0.08%+28,287New
Gotham Asset Management, LLC28,351$905.5K0.02%−42,078−59.7%Reduced
Balyasny Asset Management LLC28,418$907.7K0.00%+8,977+46.2%Added
Victory Capital Management Inc28,696$916.5K0.00%+1,885+7.0%Added
Caxton Associates LP29,360$937.8K0.13%+21,990+298.4%Added
Royal Bank of Canada30,686$981.0K0.00%−55,626−64.4%Reduced
Comerica Bank32,552$1.04M0.01%+32,552New
Yousif Capital Management, LLC32,856$1.05M0.01%+935+2.9%Added
Treasurer of the State of North Carolina32,927$1.05M0.01%+3,720+12.7%Added
LPL Financial LLC32,977$1.05M0.00%+9,257+39.0%Added
Advisor Group Holdings, Inc.33,820$1.08M0.00%−6,655−16.4%Reduced
Public Employees Retirement System of Ohio34,168$1.09M0.00%+290+0.9%Added
Centiva Capital, LP34,167$1.09M0.05%+34,167New
Sherbrooke Park Advisers LLC35,369$1.13M0.36%+12,874+57.2%Added
Sumitomo Mitsui Trust Holdings, Inc.36,029$1.15M0.00%−6,592−15.5%Reduced
Y-Intercept (Hong Kong) Ltd36,478$1.17M0.11%+9,962+37.6%Added
Barclays PLC36,482$1.17M0.00%−9,796−21.2%Reduced
Renaissance Capital LLC37,814$1.21M0.64%+11,937+46.1%Added
STRS Ohio38,164$1.22M0.01%+10,634+38.6%Added
ING Groep NV38,800$1.24M0.01%+38,800New
Alps Advisors Inc38,845$1.24M0.01%+3,649+10.4%Added
Chartwell Investment Partners, LLC40,546$1.29M0.05%00.0%Unchanged
Quadrature Capital Ltd40,775$1.30M0.03%+21,055+106.8%Added
American Century Companies Inc41,619$1.33M0.00%−58,580−58.5%Reduced
Fox Run Management, L.L.C.42,418$1.35M0.40%+42,418New
Bridgeway Capital Management, LLC43,600$1.39M0.03%−17,800−29.0%Reduced
State Board of Administration of Florida Retirement System43,775$1.40M0.00%+2,440+5.9%Added
MetLife Investment Management43,987$1.40M0.01%+2,102+5.0%Added
Covea Finance45,000$1.44M0.08%+17,500+63.6%Added
Qsemble Capital Management, LP45,200$1.44M0.27%+39,700+721.8%Added
Mutual of America Capital Management LLC46,184$1.48M0.02%−1,064−2.3%Reduced
Rockefeller Capital Management L.P.47,361$1.51M0.01%+37,558+383.1%Added
PDT Partners, LLC47,662$1.52M0.19%+21,589+82.8%Added