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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, Q4 2023

Institutional positions in Allegro Microsystems, Inc. as of Dec 31, 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
288
−19 vs. Q3 2023
Shares held
96.3M
−2.01M (−2.0%) vs. Q3 2023
Total value
$2.91B
−$69.3M (−2.3%) vs. Q3 2023
New holders
56
108 more added
Sold out
75
95 more reduced

5 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 288 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 heldQ4 2023: $2.91B
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, Q4 2023

Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q3 2023.

Institutions holding ALGM in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Qsemble Capital Management, LP0$00.00%−45,200−100.0%Sold out
Bridgeway Capital Management, LLC0$00.00%−43,600−100.0%Sold out
Quadrature Capital Ltd0$00.00%−40,775−100.0%Sold out
Chartwell Investment Partners, LLC0$00.00%−40,546−100.0%Sold out
ING Groep NV0$00.00%−38,800−100.0%Sold out
STRS Ohio0$00.00%−38,164−100.0%Sold out
Renaissance Capital LLC0$00.00%−37,814−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−36,478−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−28,418−100.0%Sold out
FORA Capital, LLC0$00.00%−28,287−100.0%Sold out
Advisory Research Inc0$00.00%−25,261−100.0%Sold out
Teacher Retirement System of Texas0$00.00%−24,524−100.0%Sold out
CenterBook Partners LP0$00.00%−23,744−100.0%Sold out
Stifel Financial Corp0$00.00%−22,207−100.0%Sold out
NVWM, LLC0$00.00%−20,087−100.0%Sold out
Juncture Wealth Strategies, LLC0$00.00%−20,009−100.0%Sold out
Commonwealth Equity Services, LLC0$00.00%−18,640−100.0%Sold out
Outlook Wealth Advisors, LLC0$00.00%−18,048−100.0%Sold out
Robeco Institutional Asset Management B.V.0$00.00%−14,963−100.0%Sold out
Simplex Trading, LLC0$00.00%−14,623−100.0%Sold out
Raymond James Financial Services Advisors, Inc.0$00.00%−13,654−100.0%Sold out
Hillsdale Investment Management Inc.0$00.00%−13,100−100.0%Sold out
Saturna Capital CORP0$00.00%−12,243−100.0%Sold out
Ontario Teachers Pension Plan Board0$00.00%−12,212−100.0%Sold out
Jackson Creek Investment Advisors LLC0$00.00%−11,182−100.0%Sold out
Winton Group Ltd0$00.00%−10,518−100.0%Sold out
AE Wealth Management LLC0$00.00%−9,501−100.0%Sold out
Blueshift Asset Management, LLC0$00.00%−9,384−100.0%Sold out
XTX Topco Ltd0$00.00%−9,370−100.0%Sold out
Pinebridge Investments, L.P.0$00.00%−8,852−100.0%Sold out
Asset Management One Co.,Ltd.0$00.00%−8,714−100.0%Sold out
GTS Securities LLC0$00.00%−8,631−100.0%Sold out
Yorktown Management & Research Co Inc0$00.00%−7,950−100.0%Sold out
Avantax Advisory Services, Inc.0$00.00%−7,620−100.0%Sold out
Envestnet Portfolio Solutions, Inc.0$00.00%−7,312−100.0%Sold out
Avidian Wealth Solutions, LLC0$00.00%−7,000−100.0%Sold out
Janney Montgomery Scott LLC0$00.00%−6,865−100.0%Sold out
Bank of Montreal0$00.00%−6,429−100.0%Sold out
ISAM Funds (UK) Ltd0$00.00%−6,694−100.0%Sold out
Smithfield Trust Co0$00.00%−4,480−100.0%Sold out
Walleye Trading LLC0$00.00%−3,898−100.0%Sold out
Tucker Asset Management LLC0$00.00%−1,500−100.0%Sold out
AllSquare Wealth Management LLC0$00.00%−1,261−100.0%Sold out
Cullen/Frost Bankers, Inc.0$00.00%−1,100−100.0%Sold out
Raleigh Capital Management Inc.0$00.00%−927−100.0%Sold out
Riverview Trust Co0$00.00%−808−100.0%Sold out
Johnson Financial Group, Inc.0$00.00%−800−100.0%Sold out
NBC Securities, Inc.0$00.00%−271−100.0%Sold out
Picton Mahoney Asset Management0$00.00%−280−100.0%Sold out
Register Financial Advisors LLC0$00.00%−245−100.0%Sold out
Nemes Rush Group LLC0$00.00%−186−100.0%Sold out
Baker Avenue Asset Management, LP0$00.00%−164−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−122−100.0%Sold out
Truvestments Capital LLC0$00.00%−100−100.0%Sold out
VisionPoint Advisory Group, LLC0$00.00%−99−100.0%Sold out
Tradition Wealth Management, LLC0$00.00%−88−100.0%Sold out
Richard W. Paul & Associates, LLC0$00.00%−72−100.0%Sold out
Private Trust Co NA0$00.00%−65−100.0%Sold out
VitalStone Financial, LLC0$00.00%−95−100.0%Sold out
Bay Harbor Wealth Management, LLC0$00.00%−56−100.0%Sold out
Grove Bank & Trust0$00.00%−32−100.0%Sold out
True Wealth Design, LLC0$00.00%−1−100.0%Sold out
Avion Wealth0$00.00%−16−100.0%Sold out
Virginia Retirement Systems Et Al––––Not filed
Pathstone Family Office, LLC––––Not filed
First Republic Investment Management, Inc.––––Not filed
Antonetti Capital Management LLC––––Not filed
Steward Financial Group LLC––––Not filed