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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 2025

Institutional positions in Allegro Microsystems, Inc. as of Jun 30, 2025. 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
274
−15 vs. Q1 2025
Shares held
146.0M
−9.87M (−6.3%) vs. Q1 2025
Total value
$4.99B
+$1.07B (+27.4%) vs. Q1 2025
New holders
53
95 more added
Sold out
68
103 more reduced

3 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 2025: 274 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 2025: $4.99B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q1 2025.

Institutions holding ALGM in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Avion Wealth17$00.00%−45−72.6%Reduced
TFC Financial Management1$350.00%00.0%Unchanged
Creative Financial Designs Inc5$1710.00%+5New
Atlantic Union Bankshares Corp5$1710.00%+5New
GPS Wealth Strategies Group, LLC6$2050.00%+5+500.0%Added
IMA Wealth, Inc.8$2740.00%+8New
Kayne Anderson Rudnick Investment Management LLC9$3080.00%+9New
CIBC Private Wealth Group, LLC9$3080.00%+9New
South State Corp.10$3420.00%−65−86.7%Reduced
Rakuten Securities, Inc.12$4100.00%−6−33.3%Reduced
Cornerstone Planning Group LLC15$4690.00%00.0%Unchanged
MV Capital Management, Inc.14$4790.00%−11−44.0%Reduced
Cromwell Holdings LLC19$6500.00%+19New
Atlantic Trust, LLC20$6840.00%−85−81.0%Reduced
GWM Advisors LLC20$6840.00%00.0%Unchanged
Versant Capital Management, Inc20$6840.00%+20New
Bare Financial Services, Inc23$7860.00%−24−51.1%Reduced
Bogart Wealth, LLC23$7860.00%+23New
Steward Partners Investment Advisory, LLC31$1.06K0.00%−175−85.0%Reduced
WealthTrak Capital Management LLC35$1.20K0.00%00.0%Unchanged
Fortitude Family Office, LLC35$1.20K0.00%+35New
Cullen/Frost Bankers, Inc.37$1.26K0.00%+37New
Rothschild Investment LLC40$1.37K0.00%+35+700.0%Added
Robbins Farley LLC44$1.50K0.00%−193−81.4%Reduced
Ronald Blue Trust, Inc.46$1.57K0.00%+46New
Kilter Group LLC64$2.19K0.00%+64New
MAI Capital Management70$2.39K0.00%+70New
Farmers & Merchants Investments Inc85$2.91K0.00%+38+80.9%Added
Bell Investment Advisors, Inc101$3.45K0.00%+13+14.8%Added
Clearstead Advisors, LLC103$3.52K0.00%+53+106.0%Added
GeoWealth Management, LLC108$3.69K0.00%+108New
Concord Wealth Partners120$4.10K0.00%00.0%Unchanged
Global Retirement Partners, LLC121$4.14K0.00%+121New
Twin Peaks Wealth Advisors, LLC148$4.72K0.00%+148New
LGT Financial Advisors LLC157$5.37K0.01%+157New
Walleye Capital LLC167$5.71K0.00%−489,133−100.0%Reduced
Leonteq Securities AG180$6.15K0.00%−11−5.8%Reduced
Whittier Trust Co of Nevada Inc194$6.63K0.00%−6−3.0%Reduced
Massmutual Trust Co FSB201$6.87K0.00%+85+73.3%Added
Farther Finance Advisors, LLC224$7.66K0.00%−114−33.7%Reduced
Spire Wealth Management226$7.73K0.00%+8+3.7%Added
Medallion Wealth Advisors, LLC250$8.60K0.00%00.0%Unchanged
Parkside Financial Bank & Trust253$8.65K0.00%+101+66.4%Added
Huntington National Bank258$8.82K0.00%−739−74.1%Reduced
Jones Financial Companies LLLP270$9.23K0.00%+20+8.0%Added
SBI Securities Co., Ltd.285$9.74K0.00%−100−26.0%Reduced
First Horizon Advisors, Inc.293$10.0K0.00%00.0%Unchanged
FNY Investment Advisers, LLC335$11.0K0.00%−6,165−94.8%Reduced
Principal Securities, Inc.332$11.4K0.00%+65+24.3%Added
Rise Advisors, LLC424$14.5K0.01%+92+27.7%Added
Bessemer Group Inc432$15.0K0.00%−78−15.3%Reduced
Hantz Financial Services, Inc.482$16.0K0.00%+440+1,047.6%Added
SRS Capital Advisors, Inc.474$16.2K0.00%+377+388.7%Added
Global X Japan Co., Ltd.487$16.7K0.00%00.0%Unchanged
Allworth Financial LP494$16.9K0.00%+202+69.2%Added
IFP Advisors, Inc0$17.6K0.00%0Unchanged
Hurley Capital, LLC603$20.6K0.01%00.0%Unchanged
Signaturefd, LLC628$21.5K0.00%+271+75.9%Added
Covestor Ltd642$22.0K0.01%+94+17.2%Added
Sound Income Strategies, LLC692$23.7K0.00%+564+440.6%Added
EverSource Wealth Advisors, LLC788$26.9K0.00%−226−22.3%Reduced
Parallel Advisors, LLC847$29.0K0.00%−844−49.9%Reduced
CoreCap Advisors, LLC900$30.8K0.00%−537−37.4%Reduced
Fifth Third Bancorp1,222$41.8K0.00%−73−5.6%Reduced
Quarry LP1,498$51.2K0.01%−5,191−77.6%Reduced
US Bancorp1,579$54.0K0.00%−8,367−84.1%Reduced
Skopos Labs, Inc.1,740$59.5K0.01%+874+100.9%Added
Umb Bank N A1,835$62.7K0.00%+415+29.2%Added
Tower Research Capital LLC (TRC)2,001$68.4K0.00%−4,813−70.6%Reduced
Nisa Investment Advisors, LLC2,210$75.6K0.00%+1,356+158.8%Added
GAMMA Investing LLC2,869$98.1K0.01%−1,286−31.0%Reduced
TD Waterhouse Canada Inc.3,038$104.4K0.00%+1,377+82.9%Added
State of Wyoming3,066$104.8K0.01%+110+3.7%Added
KBC Group NV3,694$126.0K0.00%−2,433−39.7%Reduced
CWM, LLC3,677$126.0K0.00%−622−14.5%Reduced
Wexford Capital LP4,070$139.2K0.04%+4,070New
1620 Investment Advisors, Inc.4,944$169.0K0.12%+1,504+43.7%Added
Clear Street Markets LLC5,000$170.9K0.06%+1,000+25.0%Added
Newbridge Financial Services Group, Inc.5,000$170.9K0.03%+5,000New
Advisor Group Holdings, Inc.5,591$189.4K0.00%+214+4.0%Added
ISAM Funds (UK) Ltd5,945$203.3K0.04%−3,016−33.7%Reduced
Graham Capital Management, L.P.6,047$206.7K0.01%+6,047New
Canada Pension Plan Investment Board6,100$208.6K0.00%+3,700+154.2%Added
CIBC Asset Management Inc6,132$209.7K0.00%+6,132New
Assetmark, Inc6,342$216.8K0.00%−868−12.0%Reduced
Utah Retirement Systems6,505$222.4K0.00%+6,505New
Everence Capital Management Inc6,590$225.0K0.01%+6,590New
Maryland State Retirement & Pension System6,797$232.4K0.01%+6,797New
Claret Asset Management Corp6,805$233.0K0.03%+6,805New
Public Employees Retirement Association of Colorado7,635$261.0K0.00%00.0%Unchanged
Johnson Investment Counsel Inc7,659$261.9K0.00%+7,659New
Quest Partners LLC7,758$265.2K0.03%+7,758New
Sterling Capital Management LLC7,947$271.7K0.00%+1,438+22.1%Added
Gotham Asset Management, LLC8,350$285.5K0.00%+8,350New
Profund Advisors LLC8,941$305.7K0.01%−315−3.4%Reduced
American Century Companies Inc9,319$318.6K0.00%−8,663−48.2%Reduced
XTX Topco Ltd9,451$323.1K0.01%+9,451New
Readystate Asset Management LP9,486$324.3K0.01%+9,486New
Securian Asset Management, Inc9,875$337.6K0.01%00.0%Unchanged
Avantax Advisory Services, Inc.10,405$355.7K0.00%−656−5.9%Reduced