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Allegro MicroSystems (ALGM) Institutional Ownership

Allegro MicroSystems logo
$30.85 -1.16 (-3.62%)
Closing price 08/29/2025 04:00 PM Eastern
Extended Trading
$30.82 -0.03 (-0.08%)
As of 08/29/2025 07:31 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 Polygon.io. 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)
185
Total
Institutional Inflows
(last 12 months)
$1.34B
Number of
Institutional Sellers
(last 12 months)
111
Total
Institutional Outflows
(last 12 months)
$863.19M
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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
8/19/2025 Newbridge Financial Services Group Inc.5,000$171K0.0%N/A0.003%
8/18/2025 Castleark Management LLC103,160$3.53M0.1%N/A0.056%
8/15/2025 Tower Research Capital LLC TRC 2,001$68K0.0%-70.6%0.001%
8/15/2025 Corient Private Wealth LLC17,239$589K0.0%+27.2%0.009%
8/15/2025 Vident Advisory LLC11,823$404K0.0%+17.3%0.006%
8/15/2025 Lazard Asset Management LLC177,822$6.08M0.0%-32.8%0.096%
8/15/2025 HRT Financial LP130,831$4.47M0.0%N/A0.071%
8/15/2025 G2 Investment Partners Management LLC130,000$4.45M1.0%N/A0.070%
8/15/2025 BNP Paribas Financial Markets18,717$640K0.0%-87.6%0.010%
8/15/2025 Boothbay Fund Management LLC26,794$916K0.0%+78.5%0.014%
8/15/2025 Balyasny Asset Management L.P.1,472,089$50.33M0.1%-43.4%0.796%
8/15/2025 Adage Capital Partners GP L.L.C.2,177,560$74.45M0.1%+3.3%1.177%
8/15/2025 Ameriprise Financial Inc.417,154$14.26M0.0%-17.1%0.225%
8/14/2025 California State Teachers Retirement System118,738$4.06M0.0%-23.6%0.064%
8/14/2025 Raymond James Financial Inc.1,255,182$42.92M0.0%+26.4%0.678%
8/14/2025 Canada Pension Plan Investment Board6,100$209K0.0%+154.2%0.003%
8/14/2025 Occudo Quantitative Strategies LP19,753$675K0.1%N/A0.011%
8/14/2025 Quantinno Capital Management LP46,939$1.61M0.0%+18.0%0.025%
8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.148,977$5.09M0.0%-5.2%0.081%
8/14/2025 Alliancebernstein L.P.2,759,872$94.36M0.0%+189.4%1.492%
8/14/2025 Treasurer of the State of North Carolina57,486$1.97M0.0%+7.3%0.031%
8/14/2025 The Manufacturers Life Insurance Company 93,651$3.20M0.0%-7.9%0.051%
8/14/2025 Sei Investments Co.86,352$2.95M0.0%-76.9%0.047%
8/14/2025 Analog Century Management LP1,371,590$46.90M2.7%-29.0%0.741%
8/14/2025 Frontier Capital Management Co. LLC2,365,957$80.89M0.7%-18.7%1.279%
8/14/2025 iSAM Funds UK Ltd5,945$203K0.0%-33.7%0.003%
8/14/2025 State Street Corp5,193,001$177.55M0.0%+2.1%2.806%
8/14/2025 Ecofi Investissements SA27,100$927K0.9%-55.7%0.015%
8/14/2025 Federated Hermes Inc.12,204$417K0.0%+62.9%0.007%
8/13/2025 Nkcfo LLC28,000$957K0.4%N/A0.015%
8/13/2025 Amundi10,011$358K0.0%N/A0.005%
8/13/2025 First Trust Advisors LP576,478$19.71M0.0%+5.4%0.312%
8/13/2025 Kennedy Capital Management LLC73,395$2.51M0.1%-38.6%0.040%
8/13/2025 Invesco Ltd.6,254,575$213.84M0.0%+29.3%3.380%
8/13/2025 Quantbot Technologies LP17,180$587K0.0%N/A0.009%
8/13/2025 Claret Asset Management Corp6,805$233K0.0%N/A0.004%
8/13/2025 Loomis Sayles & Co. L P666,361$22.78M0.0%-36.0%0.360%
8/13/2025 Norges Bank1,407,943$48.14M0.0%N/A0.761%
8/13/2025 Hsbc Holdings PLC37,940$1.30M0.0%+5.7%0.021%
8/13/2025 Choreo LLC11,019$377K0.0%-6.3%0.006%
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8/13/2025 Russell Investments Group Ltd.11,643$398K0.0%-6.8%0.006%
8/12/2025 Advisors Asset Management Inc.22,033$753K0.0%-2.8%0.012%
8/12/2025 XTX Topco Ltd9,451$323K0.0%N/A0.005%
8/12/2025 Ameritas Investment Partners Inc.25,382$868K0.0%-3.0%0.014%
8/12/2025 Prudential Financial Inc.15,684$536K0.0%+24.0%0.008%
8/12/2025 American Century Companies Inc.9,319$319K0.0%-48.2%0.005%
8/12/2025 Segall Bryant & Hamill LLC1,328,254$45.41M0.6%+1.3%0.718%
8/12/2025 Rhumbline Advisers329,870$11.28M0.0%-0.1%0.178%
8/12/2025 Legal & General Group Plc202,481$6.92M0.0%+3.4%0.109%
8/12/2025 JPMorgan Chase & Co.8,013,498$273.98M0.0%-10.9%4.331%
8/12/2025 Entropy Technologies LP18,838$644K0.1%N/A0.010%
8/12/2025 Swiss National Bank246,200$8.42M0.0%-1.3%0.133%
8/12/2025 Handelsbanken Fonder AB34,000$1.16M0.0%+9.0%0.018%
8/11/2025 TD Waterhouse Canada Inc.3,038$104K0.0%+82.9%0.002%
8/8/2025 Itau Unibanco Holding S.A.70,000$2.39M0.1%N/A0.038%
8/8/2025 Creative Planning18,592$636K0.0%-25.1%0.010%
8/8/2025 SG Americas Securities LLC18,654$638K0.0%-41.8%0.010%
8/8/2025 Commonwealth of Pennsylvania Public School Empls Retrmt SYS33,588$1.15M0.0%-74.4%0.018%
8/8/2025 Police & Firemen s Retirement System of New Jersey45,882$1.57M0.0%+8.9%0.025%
8/8/2025 Geode Capital Management LLC2,405,986$82.27M0.0%+0.7%1.300%
8/8/2025 PNC Financial Services Group Inc.14,332$490K0.0%-12.4%0.008%
8/8/2025 KBC Group NV3,694$126K0.0%-39.7%0.002%
8/7/2025 Robeco Schweiz AG45,000$1.54M0.0%N/A0.024%
8/7/2025 Lisanti Capital Growth LLC109,975$3.76M1.0%+39.1%0.059%
8/7/2025 Campbell & CO Investment Adviser LLC42,126$1.44M0.1%N/A0.023%
8/7/2025 Mitsubishi UFJ Asset Management Co. Ltd.116,923$4.00M0.0%-11.5%0.063%
8/6/2025 Trillium Asset Management LLC310,829$10.63M0.3%-4.8%0.168%
8/5/2025 Bank of New York Mellon Corp1,042,420$35.64M0.0%+4.6%0.564%
8/5/2025 Bank of Montreal Can15,011$513K0.0%-17.8%0.008%
8/5/2025 Pier Capital LLC262,153$8.96M1.4%-7.9%0.142%
8/4/2025 Strs Ohio29,122$996K0.0%N/A0.016%
8/4/2025 Amalgamated Bank59,267$2.03M0.0%-1.7%0.032%
8/4/2025 Retirement Systems of Alabama200,781$6.87M0.0%+0.3%0.109%
8/4/2025 Assetmark Inc.6,342$217K0.0%-12.0%0.003%
8/4/2025 Keybank National Association OH19,415$664K0.0%+13.4%0.010%
8/4/2025 Lightrock Netherlands B.V.137,752$4.71M1.1%-28.5%0.074%
8/1/2025 Peregrine Capital Management LLC234,925$8.03M0.2%-12.5%0.127%
8/1/2025 Teacher Retirement System of Texas19,573$669K0.0%+4.0%0.011%
8/1/2025 Envestnet Asset Management Inc.52,656$1.80M0.0%-49.8%0.028%
7/31/2025 Nisa Investment Advisors LLC2,210$76K0.0%+158.8%0.001%
7/31/2025 State of New Jersey Common Pension Fund D72,692$2.49M0.0%-6.0%0.039%
7/31/2025 AlphaQuest LLC7,758$265K0.0%N/A0.004%
7/31/2025 Sumitomo Mitsui Trust Group Inc.31,652$1.08M0.0%+3.1%0.017%
7/30/2025 Ethic Inc.23,758$812K0.0%+22.0%0.013%
7/29/2025 VIRGINIA RETIREMENT SYSTEMS ET Al14,069$481K0.0%N/A0.008%
7/29/2025 Mutual of America Capital Management LLC65,011$2.22M0.0%-3.4%0.035%
7/29/2025 Praxis Investment Management Inc.6,590$225K0.0%N/A0.004%
7/28/2025 Bayforest Capital Ltd19,000$650K0.3%N/A0.010%
7/25/2025 Yousif Capital Management LLC43,651$1.49M0.0%-1.7%0.024%
7/25/2025 Allspring Global Investments Holdings LLC391,104$13.45M0.0%-0.9%0.211%
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7/25/2025 CWM LLC3,677$126K0.0%-14.5%0.002%
7/25/2025 Vanguard Personalized Indexing Management LLC14,223$486K0.0%-47.3%0.008%
7/25/2025 Johnson Investment Counsel Inc.7,659$262K0.0%N/A0.004%
7/23/2025 Maryland State Retirement & Pension System6,797$232K0.0%N/A0.004%
7/23/2025 KLP Kapitalforvaltning AS27,500$940K0.0%+10.4%0.015%
7/21/2025 Lecap Asset Management Ltd.18,423$630K0.2%N/A0.010%
7/16/2025 State of Alaska Department of Revenue14,672$501K0.0%-2.6%0.008%
7/16/2025 Banque Pictet & Cie SA13,389$458K0.0%-6.3%0.007%
7/15/2025 Public Employees Retirement System of Ohio38,956$1.33M0.0%+6.1%0.021%
7/14/2025 GAMMA Investing LLC2,869$98K0.0%-31.0%0.002%
(Data available from 1/1/2016 forward)

ALGM Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ALGM shares?

During the previous two years, 323 institutional investors and hedge funds held shares of Allegro MicroSystems. The most heavily invested institutionals were FMR LLC ($497.85M), Vanguard Group Inc. ($354.33M), JPMorgan Chase & Co. ($273.98M), Invesco Ltd. ($213.84M), State Street Corp ($177.55M), Capital Research Global Investors ($126.09M), and Alliancebernstein L.P. ($94.36M).Learn more on Allegro MicroSystems' institutional investors.

What percentage of Allegro MicroSystems' stock is owned by institutional investors?

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

Which institutional investors have been buying Allegro MicroSystems' stock?

Of the 272 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 ($9.66M), Wellington Management Group LLP ($4.93M), Invesco Ltd. ($4.51M), Norges Bank ($3.16M), JPMorgan Chase & Co. ($2.61M), Alliancebernstein L.P. ($2.57M), and Paloma Partners Management Co ($2.10M).

How much institutional buying is happening at Allegro MicroSystems?

Institutional investors have bought a total of 55,121,445 shares in the last 24 months. This purchase volume represents approximately $1.34B in transactions.

Which of Allegro MicroSystems' major shareholders have been selling company stock?

Of the 111 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: FMR LLC ($5.48M), JPMorgan Chase & Co. ($3.01M), Allspring Global Investments Holdings LLC ($2.13M), The Manufacturers Life Insurance Company ($2.06M), Westfield Capital Management Co. LP ($1.94M), Woodline Partners LP ($1.81M), and Ameriprise Financial Inc. ($1.68M).

How much institutional selling is happening at Allegro MicroSystems?

Institutional investors have sold a total of 34,932,589 shares in the last 24 months. This volume of shares sold represents approximately $863.19M in transactions.


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This page (NASDAQ:ALGM) was last updated on 8/30/2025 by MarketBeat.com Staff
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