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Allegro MicroSystems (ALGM) Institutional Ownership

Allegro MicroSystems logo
$45.97 +0.10 (+0.22%)
Closing price 05/13/2026 04:00 PM Eastern
Extended Trading
$46.68 +0.72 (+1.56%)
As of 08:55 AM 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)
179
Total
Institutional Inflows
(last 12 months)
$833.30M
Number of
Institutional Sellers
(last 12 months)
132
Total
Institutional Outflows
(last 12 months)
$672.07M
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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
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%
5/8/2026 PNC Financial Services Group Inc.13,949$440K0.0%+18.0%0.008%
5/7/2026 Dimensional Fund Advisors LP2,170,487$68.40M0.0%+1.4%1.171%
5/7/2026 Parallel Advisors LLC1,008$32K0.0%+42.8%0.001%
5/7/2026 KBC Group NV4,581$144K0.0%+24.0%0.002%
5/7/2026 SEB Asset Management AB7,798$246K0.0%N/A0.004%
5/7/2026 Swiss National Bank256,400$8.08M0.0%+0.4%0.138%
5/7/2026 Roubaix Capital LLC169,993$5.36M2.5%N/A0.092%
5/6/2026 Assetmark Inc.6,338$200K0.0%+12.5%0.003%
5/6/2026 Lightrock Netherlands B.V.507,990$16.02M1.6%+43.3%0.274%
5/6/2026 Allspring Global Investments Holdings LLC307,624$10.24M0.0%-13.6%0.166%
5/5/2026 Bank of New York Mellon Corp743,292$23.44M0.0%-1.0%0.401%
5/5/2026 Maryland State Retirement & Pension System6,797$214K0.0%N/A0.004%
5/4/2026 State of Michigan Retirement System29,900$943K0.0%+2.0%0.016%
5/4/2026 Principal Financial Group Inc.1,790,466$56.45M0.0%+2.8%0.966%
5/4/2026 Teachers Retirement System of The State of Kentucky40,633$1.28M0.0%+2.5%0.022%
5/1/2026 Fifth Third Bancorp29,063$916K0.0%+2,377.7%0.016%
5/1/2026 Candriam S.C.A.86,073$2.71M0.0%-2.1%0.046%
4/30/2026 Hsbc Holdings PLC18,355$575K0.0%-53.9%0.010%
4/30/2026 Oregon Public Employees Retirement Fund25,437$802K0.0%+2.8%0.014%
4/28/2026 Praxis Investment Management Inc.6,590$208K0.0%N/A0.004%
4/27/2026 New York State Teachers Retirement System28,178$888K0.0%-12.5%0.015%
4/27/2026 Y Intercept Hong Kong Ltd45,132$1.42M0.0%N/A0.024%
4/27/2026 Elevation Point Wealth Partners LLC7,690$242K0.0%N/A0.004%
4/25/2026 Keybank National Association OH12,380$390K0.0%-8.7%0.007%
4/24/2026 Peregrine Capital Management LLC259,764$8.19M0.3%-4.1%0.140%
4/22/2026 Pictet Asset Management Holding SA22,377$706K0.0%+7.6%0.012%
4/22/2026 Sterling Capital Management LLC4,129$130K0.0%-43.3%0.002%
4/21/2026 Louisiana State Employees Retirement System36,000$1.14M0.0%N/A0.019%
4/16/2026 SG Americas Securities LLC5,245$165K0.0%-64.5%0.003%
3/20/2026 Hsbc 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%
2/24/2026 Pacer 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%
2/19/2026 Invesco Ltd.7,651,051$201.84M0.0%+44.0%4.129%
2/19/2026Corient Private Wealth LLC15,345$408K0.0%+52.9%0.008%
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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%
2/17/2026 Russell 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%
2/16/2026 MML Investors Services LLC30,892$815K0.0%N/A0.017%
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%
2/13/2026 Kestra 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%
2/13/2026First Trust Advisors LP448,980$11.84M0.0%-18.6%0.242%
2/13/2026Integrated Wealth Concepts LLC17,976$474K0.0%N/A0.010%
2/13/2026Alyeska Investment Group L.P.400,000$10.55M0.0%N/A0.216%
2/13/2026Charles Schwab Investment Management Inc.1,362,418$35.94M0.0%+5.2%0.735%
2/13/2026 Police & Firemen s Retirement System of New Jersey52,277$1.38M0.0%-3.3%0.028%
2/13/2026State Street Corp5,359,488$141.38M0.0%+1.5%2.892%
2/13/2026Van ECK Associates Corp55,496$1.46M0.0%-8.6%0.030%
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2/13/2026 Vontobel Holding Ltd.16,413$433K0.0%-7.4%0.009%
2/13/2026 Caitong International Asset Management Co. Ltd1,449$38K0.1%+85.8%0.001%
2/13/2026Hel Ved Capital Management Ltd62,850$1.66M0.4%N/A0.034%
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC330,709$8.72M0.0%-2.0%0.178%
2/13/2026 Wells Fargo & Company MN65,373$1.73M0.0%-56.9%0.035%
2/13/2026Pinpoint Asset Management Singapore Pte. Ltd.12,050$318K0.1%N/A0.007%
2/13/2026 Trillium Asset Management LLC136,021$3.73M0.1%-18.3%0.073%
2/13/2026 Circle Wealth Management LLC14,002$369K0.0%-21.0%0.008%
2/12/2026Advisors Asset Management Inc.23,744$626K0.0%+5.5%0.013%
2/12/2026Federation des caisses Desjardins du Quebec2,176$57K0.0%N/A0.001%


ALGM Institutional Ownership - Frequently Asked Questions

During the previous two years, 302 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 273 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 ($3.56M), Alliancebernstein L.P. ($2.57M), and Schonfeld Strategic Advisors LLC ($2.30M).

Institutional investors have bought a total of 29,160,405 shares in the last 24 months. This purchase volume represents approximately $833.30M in transactions.

Of the 131 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), Woodline Partners LP ($1.81M), T. Rowe Price Investment Management Inc. ($1.69M), JPMorgan Chase & Co. ($1.65M), Wellington Management Group LLP ($1.53M), and Paloma Partners Management Co ($1.39M).

Institutional investors have sold a total of 23,637,711 shares in the last 24 months. This volume of shares sold represents approximately $672.07M in transactions.


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This page (NASDAQ:ALGM) was last updated on 5/14/2026 by MarketBeat.com Staff.
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