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Allegro MicroSystems (ALGM) Institutional Ownership

Allegro MicroSystems logo
$28.32 -0.09 (-0.32%)
Closing price 10/3/2025 04:00 PM Eastern
Extended Trading
$28.28 -0.04 (-0.14%)
As of 10/3/2025 06:58 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)
112
Total
Institutional Outflows
(last 12 months)
$863.34M
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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
9/26/2025Corient Private Wealth LLC17,239$589K0.0%+27.2%0.009%
9/24/2025Texas Permanent School Fund Corp53,990$1.85M0.0%-12.5%0.029%
8/19/2025Newbridge Financial Services Group Inc.5,000$171K0.0%N/A0.003%
8/18/2025Castleark Management LLC103,160$3.53M0.1%N/A0.056%
8/15/2025Tower Research Capital LLC TRC 2,001$68K0.0%-70.6%0.001%
8/15/2025Corient Private Wealth LLC17,239$589K0.0%+27.2%0.009%
8/15/2025Vident Advisory LLC11,823$404K0.0%+17.3%0.006%
8/15/2025Lazard Asset Management LLC177,822$6.08M0.0%-32.8%0.096%
8/15/2025HRT Financial LP130,831$4.47M0.0%N/A0.071%
8/15/2025G2 Investment Partners Management LLC130,000$4.45M1.0%N/A0.070%
8/15/2025BNP Paribas Financial Markets18,717$640K0.0%-87.6%0.010%
8/15/2025Boothbay Fund Management LLC26,794$916K0.0%+78.5%0.014%
8/15/2025Balyasny Asset Management L.P.1,472,089$50.33M0.1%-43.4%0.796%
8/15/2025Adage Capital Partners GP L.L.C.2,177,560$74.45M0.1%+3.3%1.177%
8/15/2025Ameriprise Financial Inc.417,154$14.26M0.0%-17.1%0.225%
8/14/2025California State Teachers Retirement System118,738$4.06M0.0%-23.6%0.064%
8/14/2025Raymond James Financial Inc.1,255,182$42.92M0.0%+26.4%0.678%
8/14/2025Canada Pension Plan Investment Board6,100$209K0.0%+154.2%0.003%
8/14/2025Occudo Quantitative Strategies LP19,753$675K0.1%N/A0.011%
8/14/2025Quantinno Capital Management LP46,939$1.61M0.0%+18.0%0.025%
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.148,977$5.09M0.0%-5.2%0.081%
8/14/2025Alliancebernstein L.P.2,759,872$94.36M0.0%+189.4%1.492%
8/14/2025Treasurer of the State of North Carolina57,486$1.97M0.0%+7.3%0.031%
8/14/2025The Manufacturers Life Insurance Company 93,651$3.20M0.0%-7.9%0.051%
8/14/2025Sei Investments Co.86,352$2.95M0.0%-76.9%0.047%
8/14/2025Analog Century Management LP1,371,590$46.90M2.7%-29.0%0.741%
8/14/2025Frontier Capital Management Co. LLC2,365,957$80.89M0.7%-18.7%1.279%
8/14/2025iSAM Funds UK Ltd5,945$203K0.0%-33.7%0.003%
8/14/2025State Street Corp5,193,001$177.55M0.0%+2.1%2.806%
8/14/2025Ecofi Investissements SA27,100$927K0.9%-55.7%0.015%
8/14/2025Federated Hermes Inc.12,204$417K0.0%+62.9%0.007%
8/13/2025Nkcfo LLC28,000$957K0.4%N/A0.015%
8/13/2025Amundi10,011$358K0.0%N/A0.005%
8/13/2025First Trust Advisors LP576,478$19.71M0.0%+5.4%0.312%
8/13/2025Kennedy Capital Management LLC73,395$2.51M0.1%-38.6%0.040%
8/13/2025Invesco Ltd.6,254,575$213.84M0.0%+29.3%3.380%
8/13/2025Quantbot Technologies LP17,180$587K0.0%N/A0.009%
8/13/2025Claret Asset Management Corp6,805$233K0.0%N/A0.004%
8/13/2025Loomis Sayles & Co. L P666,361$22.78M0.0%-36.0%0.360%
8/13/2025Norges Bank1,407,943$48.14M0.0%N/A0.761%
8/13/2025Hsbc Holdings PLC37,940$1.30M0.0%+5.7%0.021%
8/13/2025Choreo LLC11,019$377K0.0%-6.3%0.006%
8/13/2025Russell Investments Group Ltd.11,643$398K0.0%-6.8%0.006%
8/12/2025Advisors Asset Management Inc.22,033$753K0.0%-2.8%0.012%
8/12/2025XTX Topco Ltd9,451$323K0.0%N/A0.005%
8/12/2025Ameritas Investment Partners Inc.25,382$868K0.0%-3.0%0.014%
8/12/2025Prudential Financial Inc.15,684$536K0.0%+24.0%0.008%
8/12/2025American Century Companies Inc.9,319$319K0.0%-48.2%0.005%
8/12/2025Segall Bryant & Hamill LLC1,328,254$45.41M0.6%+1.3%0.718%
8/12/2025Rhumbline Advisers329,870$11.28M0.0%-0.1%0.178%
8/12/2025Legal & General Group Plc202,481$6.92M0.0%+3.4%0.109%
8/12/2025JPMorgan Chase & Co.8,013,498$273.98M0.0%-10.9%4.331%
8/12/2025Entropy Technologies LP18,838$644K0.1%N/A0.010%
8/12/2025Swiss National Bank246,200$8.42M0.0%-1.3%0.133%
8/12/2025Handelsbanken Fonder AB34,000$1.16M0.0%+9.0%0.018%
8/11/2025TD Waterhouse Canada Inc.3,038$104K0.0%+82.9%0.002%
8/8/2025Itau Unibanco Holding S.A.70,000$2.39M0.1%N/A0.038%
8/8/2025Creative Planning18,592$636K0.0%-25.1%0.010%
8/8/2025SG Americas Securities LLC18,654$638K0.0%-41.8%0.010%
8/8/2025Commonwealth of Pennsylvania Public School Empls Retrmt SYS33,588$1.15M0.0%-74.4%0.018%
8/8/2025Police & Firemen s Retirement System of New Jersey45,882$1.57M0.0%+8.9%0.025%
8/8/2025Geode Capital Management LLC2,405,986$82.27M0.0%+0.7%1.300%
8/8/2025PNC Financial Services Group Inc.14,332$490K0.0%-12.4%0.008%
8/8/2025KBC Group NV3,694$126K0.0%-39.7%0.002%
8/7/2025Robeco Schweiz AG45,000$1.54M0.0%N/A0.024%
8/7/2025Lisanti Capital Growth LLC109,975$3.76M1.0%+39.1%0.059%
8/7/2025Campbell & CO Investment Adviser LLC42,126$1.44M0.1%N/A0.023%
8/7/2025Mitsubishi UFJ Asset Management Co. Ltd.116,923$4.00M0.0%-11.5%0.063%
8/6/2025Trillium Asset Management LLC310,829$10.63M0.3%-4.8%0.168%
8/5/2025Bank of New York Mellon Corp1,042,420$35.64M0.0%+4.6%0.564%
8/5/2025Bank of Montreal Can15,011$513K0.0%-17.8%0.008%
8/5/2025Pier Capital LLC262,153$8.96M1.4%-7.9%0.142%
8/4/2025Strs Ohio29,122$996K0.0%N/A0.016%
8/4/2025Amalgamated Bank59,267$2.03M0.0%-1.7%0.032%
8/4/2025Retirement Systems of Alabama200,781$6.87M0.0%+0.3%0.109%
8/4/2025Assetmark Inc.6,342$217K0.0%-12.0%0.003%
8/4/2025Keybank National Association OH19,415$664K0.0%+13.4%0.010%
8/4/2025Lightrock Netherlands B.V.137,752$4.71M1.1%-28.5%0.074%
8/1/2025Peregrine Capital Management LLC234,925$8.03M0.2%-12.5%0.127%
8/1/2025Teacher Retirement System of Texas19,573$669K0.0%+4.0%0.011%
8/1/2025Envestnet Asset Management Inc.52,656$1.80M0.0%-49.8%0.028%
7/31/2025Nisa Investment Advisors LLC2,210$76K0.0%+158.8%0.001%
7/31/2025State of New Jersey Common Pension Fund D72,692$2.49M0.0%-6.0%0.039%
7/31/2025AlphaQuest LLC7,758$265K0.0%N/A0.004%
7/31/2025Sumitomo Mitsui Trust Group Inc.31,652$1.08M0.0%+3.1%0.017%
7/30/2025Ethic Inc.23,758$812K0.0%+22.0%0.013%
7/29/2025VIRGINIA RETIREMENT SYSTEMS ET Al14,069$481K0.0%N/A0.008%
7/29/2025Mutual 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%
7/28/2025Bayforest Capital Ltd19,000$650K0.3%N/A0.010%
7/25/2025Yousif Capital Management LLC43,651$1.49M0.0%-1.7%0.024%
7/25/2025Allspring Global Investments Holdings LLC391,104$13.45M0.0%-0.9%0.211%
7/25/2025CWM LLC3,677$126K0.0%-14.5%0.002%
7/25/2025Vanguard Personalized Indexing Management LLC14,223$486K0.0%-47.3%0.008%
7/25/2025Johnson Investment Counsel Inc.7,659$262K0.0%N/A0.004%
7/23/2025Maryland State Retirement & Pension System6,797$232K0.0%N/A0.004%
7/23/2025KLP Kapitalforvaltning AS27,500$940K0.0%+10.4%0.015%
7/21/2025Lecap Asset Management Ltd.18,423$630K0.2%N/A0.010%
7/16/2025State of Alaska Department of Revenue14,672$501K0.0%-2.6%0.008%
7/16/2025Banque Pictet & Cie SA13,389$458K0.0%-6.3%0.007%
(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 55,125,130 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 112 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 34,935,664 shares in the last 24 months. This volume of shares sold represents approximately $863.34M in transactions.


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This page (NASDAQ:ALGM) was last updated on 10/4/2025 by MarketBeat.com Staff
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