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Allegro MicroSystems (ALGM) Institutional Ownership

Allegro MicroSystems logo
$50.85 -4.02 (-7.33%)
Closing price 04:00 PM Eastern
Extended Trading
$50.42 -0.44 (-0.86%)
As of 07:59 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Allegro MicroSystems (NASDAQ:ALGM)

Current
Institutional Ownership
Percentage
56.45%
Number of
Institutional Buyers
(last 12 months)
171
Total
Institutional Inflows
(last 12 months)
$750.91M
Number of
Institutional Sellers
(last 12 months)
124
Total
Institutional Outflows
(last 12 months)
$562.49M
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ALGM Institutional Buying and Selling by Quarter

Allegro MicroSystems Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/10/2026 Handelsbanken Fonder AB59,900$4.17M0.0%+49.8%0.032%
7/10/2026 Fulton Bank N.A.4,623$322K0.0%N/A0.002%
7/7/2026 Harbor Investment Advisory LLC1,032$72K0.0%N/A0.001%
6/18/2026Pacer Advisors Inc.19,744$623K0.0%-38.9%0.011%
6/3/2026Parallel Advisors LLC1,008$32K0.0%+42.8%0.001%
5/22/2026Segall Bryant & Hamill LLC1,044,984$32.95M0.4%-16.3%0.564%
5/19/2026Bank of America Corp DE855,453$26.97M0.0%+48.3%0.462%
5/18/2026California State Teachers Retirement System149,826$4.72M0.0%+21.8%0.081%
5/18/2026Royal Bank of Canada30,337$957K0.0%-19.2%0.016%
5/16/2026The Manufacturers Life Insurance Company 81,072$2.56M0.0%-1.4%0.044%
5/16/2026Maverick Capital Ltd.42,224$1.33M0.0%N/A0.023%
5/16/2026Quantinno Capital Management LP133,902$4.22M0.0%+104.9%0.072%
5/16/2026Castleark Management LLC147,420$4.65M0.2%N/A0.080%
5/15/2026Granahan Investment Management LLC215,001$6.78M0.3%+139.3%0.116%
5/15/2026Entropy Technologies LP67,719$2.14M0.1%+88.7%0.037%
5/14/2026Renaissance Technologies LLC123,900$3.91M0.0%-71.6%0.067%
5/14/2026Public Employees Retirement System of Ohio36,618$1.16M0.0%-3.4%0.020%
5/14/2026Sei Investments Co.218,976$6.90M0.0%+126.0%0.118%
5/14/2026State of Wyoming13,834$436K0.1%+29.7%0.007%
5/13/2026Cetera Investment Advisers11,656$368K0.0%-2.1%0.006%
5/13/2026First Trust Advisors LP414,897$13.08M0.0%-7.6%0.224%
5/8/2026PNC Financial Services Group Inc.13,949$440K0.0%+18.0%0.008%
5/7/2026Dimensional Fund Advisors LP2,170,487$68.40M0.0%+1.4%1.171%
5/7/2026Parallel Advisors LLC1,008$32K0.0%+42.8%0.001%
5/7/2026KBC Group NV4,581$144K0.0%+24.0%0.002%
5/7/2026SEB Asset Management AB7,798$246K0.0%N/A0.004%
5/7/2026Swiss National Bank256,400$8.08M0.0%+0.4%0.138%
5/7/2026Roubaix Capital LLC169,993$5.36M2.5%N/A0.092%
5/6/2026Assetmark Inc.6,338$200K0.0%+12.5%0.003%
5/6/2026Lightrock Netherlands B.V.507,990$16.02M1.6%+43.3%0.274%
5/6/2026Allspring Global Investments Holdings LLC307,624$10.24M0.0%-13.6%0.166%
5/5/2026Bank of New York Mellon Corp743,292$23.44M0.0%-1.0%0.401%
5/5/2026Maryland State Retirement & Pension System6,797$214K0.0%N/A0.004%
5/4/2026State of Michigan Retirement System29,900$943K0.0%+2.0%0.016%
5/4/2026Principal Financial Group Inc.1,790,466$56.45M0.0%+2.8%0.966%
5/4/2026Teachers Retirement System of The State of Kentucky40,633$1.28M0.0%+2.5%0.022%
5/1/2026Fifth Third Bancorp29,063$916K0.0%+2,377.7%0.016%
5/1/2026Candriam S.C.A.86,073$2.71M0.0%-2.1%0.046%
4/30/2026Hsbc Holdings PLC18,355$575K0.0%-53.9%0.010%
4/30/2026Oregon Public Employees Retirement Fund25,437$802K0.0%+2.8%0.014%
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4/28/2026Praxis Investment Management Inc.6,590$208K0.0%N/A0.004%
4/27/2026New York State Teachers Retirement System28,178$888K0.0%-12.5%0.015%
4/27/2026Y Intercept Hong Kong Ltd45,132$1.42M0.0%N/A0.024%
4/27/2026Elevation Point Wealth Partners LLC7,690$242K0.0%N/A0.004%
4/25/2026Keybank National Association OH12,380$390K0.0%-8.7%0.007%
4/24/2026Peregrine Capital Management LLC259,764$8.19M0.3%-4.1%0.140%
4/22/2026Pictet Asset Management Holding SA22,377$706K0.0%+7.6%0.012%
4/22/2026Sterling Capital Management LLC4,129$130K0.0%-43.3%0.002%
4/21/2026Louisiana State Employees Retirement System36,000$1.14M0.0%N/A0.019%
4/16/2026SG Americas Securities LLC5,245$165K0.0%-64.5%0.003%
3/20/2026Hsbc Holdings PLC39,811$1.05M0.0%-54.2%0.021%
3/17/2026Rockefeller Capital Management L.P.16,876$445K0.0%+470.5%0.009%
3/9/2026Corient Private Wealth LLC14,457$408K0.0%+44.1%0.008%
2/24/2026Pacer Advisors Inc.32,313$852K0.0%+98.1%0.017%
2/19/2026T. Rowe Price Investment Management Inc.349,349$9.22M0.0%-67.8%0.189%
2/19/2026Invesco Ltd.7,651,051$201.84M0.0%+44.0%4.129%
2/19/2026Corient Private Wealth LLC15,345$408K0.0%+52.9%0.008%
2/18/2026Mercer Global Advisors Inc. ADV10,502$277K0.0%+23.2%0.006%
2/18/2026State of Tennessee Department of Treasury79,237$2.09M0.0%-8.5%0.043%
2/18/2026Mackenzie Financial Corp8,809$236K0.0%-9.0%0.005%
2/18/2026XTX Topco Ltd25,638$676K0.0%-49.1%0.014%
2/18/2026Wellington Management Group LLP1,106,337$29.19M0.0%-4.7%0.597%
2/18/2026Tudor Investment Corp ET AL25,665$677K0.0%+201.9%0.014%
2/18/2026Man Group plc387,105$10.21M0.0%+79.8%0.209%
2/18/2026Gotham Asset Management LLC73,093$1.93M0.0%-41.3%0.039%
2/18/2026Engineers Gate Manager LP419,600$11.07M0.1%+506.7%0.226%
2/18/2026Balyasny Asset Management L.P.810,460$21.38M0.0%+62.6%0.437%
2/17/2026Guggenheim Capital LLC45,571$1.20M0.0%+125.2%0.025%
2/17/2026Schonfeld Strategic Advisors LLC754,824$19.91M0.1%+838.1%0.407%
2/17/2026AQR Capital Management LLC327,973$8.65M0.0%+31.0%0.177%
2/17/2026Cetera Investment Advisers11,901$314K0.0%-20.5%0.006%
2/17/2026Lazard Asset Management LLC23,712$626K0.0%-25.1%0.013%
2/17/2026ArrowMark Colorado Holdings LLC139,761$3.69M0.1%-6.6%0.075%
2/17/2026Trexquant Investment LP79,486$2.10M0.0%-58.0%0.043%
2/17/2026Amundi23,256$613K0.0%+131.6%0.013%
2/17/2026Price T Rowe Associates Inc. MD101,366$2.68M0.0%+4.9%0.055%
2/17/2026T. Rowe Price Investment Management Inc.131,141$3.46M0.0%-87.9%0.071%
2/17/2026Adage Capital Partners GP L.L.C.2,803,944$73.97M0.1%+77.8%1.513%
2/17/2026Public Employees Retirement System of Ohio37,893$1M0.0%-3.4%0.020%
2/17/2026California State Teachers Retirement System122,998$3.25M0.0%+3.6%0.066%
2/17/2026Russell Investments Group Ltd.21,249$561K0.0%+46.6%0.011%
2/17/2026Granahan Investment Management LLC89,857$2.37M0.1%N/A0.048%
2/17/2026State of Wisconsin Investment Board97,609$2.58M0.0%-12.7%0.053%
2/17/2026Royal Bank of Canada37,534$990K0.0%-94.2%0.020%
2/17/2026Graham Capital Management L.P.22,533$594K0.0%+37.9%0.012%
2/17/2026Talos Eurisko Asset Management LP560,200$14.78M2.6%N/A0.302%
2/16/2026Vanguard Personalized Indexing Management LLC14,268$376K0.0%+3.0%0.008%
2/16/2026PEAK6 LLC27,542$727K0.0%-60.5%0.015%
2/16/2026S Squared Technology LLC457,451$12.07M4.7%+15.1%0.247%
2/16/2026MML Investors Services LLC30,892$815K0.0%N/A0.017%
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2/16/2026Kennedy Capital Management LLC44,860$1.18M0.0%-20.8%0.024%
2/16/2026Entropy Technologies LP35,895$947K0.1%N/A0.019%
2/16/2026Barclays PLC88,300$2.33M0.0%-41.5%0.048%
2/16/2026Analog Century Management LP1,890,072$49.86M2.5%+60.9%1.020%
2/13/2026Kestra Advisory Services LLC1,281$34K0.0%N/A0.001%
2/13/2026Marshall Wace LLP714,579$18.85M0.0%+417.5%0.386%
2/13/2026The Manufacturers Life Insurance Company 82,250$2.17M0.0%-2.8%0.044%
2/13/2026Segall Bryant & Hamill LLC1,248,310$32.93M0.4%-5.7%0.674%
2/13/2026Bridgefront Capital LLC28,801$760K0.2%N/A0.016%
2/13/2026Morgan Stanley2,233,136$58.91M0.0%+15.2%1.205%


ALGM Institutional Ownership - Frequently Asked Questions

During the previous two years, 299 institutional investors and hedge funds held shares of Allegro MicroSystems. The most heavily invested institutionals were FMR LLC ($497.85M), Vanguard Group Inc. ($374.66M), Capital Research Global Investors ($345.88M), Invesco Ltd. ($201.84M), JPMorgan Chase & Co. ($193.83M), State Street Corp ($141.38M), and Frontier Capital Management Co. LLC ($80.89M).Learn more on Allegro MicroSystems' institutional investors.

56.45% of Allegro MicroSystems' stock is owned by institutional investors. Learn more on ALGM's institutional investor holdings.

Of the 271 institutional investors that purchased Allegro MicroSystems' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: FMR LLC ($8.53M), Invesco Ltd. ($6.50M), Wellington Management Group LLP ($4.93M), Norges Bank ($4.10M), Bank of America Corp DE ($3.84M), Alliancebernstein L.P. ($2.57M), and Schonfeld Strategic Advisors LLC ($2.30M).

Institutional investors have bought a total of 25,653,319 shares in the last 24 months. This purchase volume represents approximately $750.91M in transactions.

Of the 124 institutional investors that sold Allegro MicroSystems' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Capital Research Global Investors ($3.71M), Balyasny Asset Management L.P. ($2.10M), T. Rowe Price Investment Management Inc. ($1.69M), JPMorgan Chase & Co. ($1.65M), Wellington Management Group LLP ($1.53M), Invesco Ltd. ($942.15K), and Analog Century Management LP ($757.22K).

Institutional investors have sold a total of 19,140,674 shares in the last 24 months. This volume of shares sold represents approximately $562.49M in transactions.


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This page (NASDAQ:ALGM) was last updated on 7/13/2026 by MarketBeat.com Staff.
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