Allegro Microsystems Inc (ALGM) Ownership

18.96 ↑0.00 (0.00%)
As of December 31, 1969, 7:00pm EST.

Institutional Ownership

FMR Inc is the biggest individual institutional holder of Allegro Microsystems Inc (ALGM), owning a total of 22.8 million shares. Combined, the top 42 institutional holders of ALGM own 75.49% of the company with a total of 139.4 million shares.

In the latest ownership report on December 31st 2024, the top 42 institutional holders decreased their combined ownership of ALGM by 12.7 million shares. 12 institutions bought 8,132,660 total additional shares and increased their ownership by an average of 45.55%. However 8 institutions sold 20,856,431 total shares and decreased their ownership by an average of 18.87%.

Overall this is a negative sign as the number of shares owned by the top 20 institutional holders of Allegro Microsystems Inc decreased by a net total of -12,723,771 in the latest quarter.

Institution Ownership Chart

Your browser does not support this chart.

Latest Institutional Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
FMR Inc12.369%-19.393%22,774,491-5,479,3202024-12-31
Vanguard Group Inc7.649%-4.325%14,082,947-636,5942024-12-31
BlackRock Inc6.386%-8.454%11,757,608-1,085,7982024-12-31
JPMorgan Chase & Co5.720%-52.232%10,531,507-11,515,7492024-12-31
State Street Corp3.192%7.130%5,877,482391,1932024-12-31
Capital Research Global Investors3.133%6.534%5,768,208353,7762024-12-31
Wellington Management Company LLP2.169%30.528%3,993,682934,0482024-12-31
ClearBridge Advisors, LLC1.838%-13.913%3,384,997-547,0742024-12-31
Adage Capital Partners Gp LLC1.485%50.066%2,733,560911,9932024-12-31
Morgan Stanley - Brokerage Accounts1.443%30.434%2,656,798619,9042024-12-31
Geode Capital Management, LLC1.284%-7.687%2,364,582-196,9002024-12-31
Principal Financial Group Inc1.234%-9.140%2,271,278-228,4822024-12-31
Westfield Capital Management Company, L.P.1.221%11.576%2,247,672233,1912024-12-31
Sunrise Partners LLC1.143%312.809%2,103,8001,594,1702024-12-31
Amvescap Plc.1.134%-35.835%2,088,761-1,166,5142024-12-31
T. Rowe Price Investment Management,Inc.1.122%31.191%2,065,879491,1732024-12-31
Analog Century Management LP1.087%17.081%2,001,438291,9902024-12-31
Woodline Partners LP0.996%18.446%1,833,705285,5732024-12-31
Dimensional Fund Advisors, Inc.0.934%30.792%1,719,274404,7612024-12-31
Schonfeld Strategic Advisors LLC0.880%0.000%1,620,8881,620,8882024-12-31

Top Institutions

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
FMR Inc12.369%-19.393%22,774,491-5,479,3202024-12-31
Vanguard Group Inc7.649%-4.325%14,082,947-636,5942024-12-31
BlackRock Inc6.386%-8.454%11,757,608-1,085,7982024-12-31
JPMorgan Chase & Co5.720%-52.232%10,531,507-11,515,7492024-12-31
State Street Corp3.192%7.130%5,877,482391,1932024-12-31
Capital Research Global Investors3.133%6.534%5,768,208353,7762024-12-31
OEP CAPITAL ADVISORS, L.P.2.338%-66.012%4,299,246-8,350,0012024-03-31
Wellington Management Company LLP2.169%30.528%3,993,682934,0482024-12-31
State Street Corporation1.906%-1.246%3,505,954-44,2452024-03-31
ClearBridge Advisors, LLC1.838%-13.913%3,384,997-547,0742024-12-31
Adage Capital Partners Gp LLC1.485%50.066%2,733,560911,9932024-12-31
Morgan Stanley - Brokerage Accounts1.443%30.434%2,656,798619,9042024-12-31
Geode Capital Management, LLC1.284%-7.687%2,364,582-196,9002024-12-31
Principal Financial Group Inc1.234%-9.140%2,271,278-228,4822024-12-31
Westfield Capital Management Company, L.P.1.221%11.576%2,247,672233,1912024-12-31
Allspring Global Investments Holdings, LLC1.171%-11.880%2,153,699-290,3432024-06-30
Manufacturers Life Insurance Co1.169%0.207%2,152,9224,4442024-09-30
Sunrise Partners LLC1.143%312.809%2,103,8001,594,1702024-12-31
Amvescap Plc.1.134%-35.835%2,088,761-1,166,5142024-12-31
T. Rowe Price Investment Management,Inc.1.122%31.191%2,065,879491,1732024-12-31
Westfield Capital Management Company, LP1.095%54.568%2,014,481711,1852024-09-30
Analog Century Management LP1.087%17.081%2,001,438291,9902024-12-31
Ameriprise Financial Inc1.059%-6.972%1,950,527-146,1922024-09-30
AllianceBernstein L.P.0.987%36.345%1,905,012507,8132023-09-30
Woodline Partners LP0.996%18.446%1,833,705285,5732024-12-31
Dimensional Fund Advisors, Inc.0.934%30.792%1,719,274404,7612024-12-31
Schonfeld Strategic Advisors LLC0.880%0.000%1,620,8881,620,8882024-12-31
Millennium Management LLC0.831%384.815%1,528,5831,213,2912024-03-31
Artisan Partners Limited Partnership0.825%-5.520%1,518,095-88,6962024-09-30
Massachusetts Financial Services Company0.790%47.619%1,453,004468,7072024-09-30
Schroder Investment Management Group0.754%-10.832%1,444,583-175,4812022-12-31
Lord, Abbett & Co LLC0.728%62.587%1,399,551538,7472023-06-30
TimesSquare Capital Management, LLC0.654%-39.247%1,252,600-809,2002022-12-31
Balyasny Asset Management LLC0.629%0.000%1,157,3281,157,3282024-03-31
Goldman Sachs Group Inc0.627%27.732%1,152,602250,2432024-06-30
Macquarie Group Ltd0.575%-6.840%1,111,323-81,5932023-12-31
Amundi0.602%102.542%1,106,351560,1182024-03-31
First Trust Advisors L.P.0.599%-4.513%1,101,656-52,0692024-03-31
Federated Hermes Inc0.481%-1.292%929,188-12,1662023-12-31
Two Sigma Investments LLC0.465%265.853%894,189649,7772023-06-30
BAMCO Inc0.406%0.000%778,79502022-12-31
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC0.378%43.995%725,303221,6042022-12-31

Mutual Fund Ownership

American Funds SMALLCAP World A is the biggest individual fund holder of Allegro Microsystems Inc (ALGM), owning a total of 10 million shares. Combined, the top 52 mutual fund holders of ALGM own 54.57% of the company with a total of 101.7 million shares.

In the latest ownership report on March 31st 2025, the top 52 fund holders increased their combined ownership of ALGM by 3.2 million shares. 8 funds bought 4,918,062 total additional shares and increased their ownership by an average of 12.54%. However 4 funds sold 1,747,309 total shares and decreased their ownership by an average of 20.34%.

Overall this is a positive sign as the number of shares owned by the top 20 mutual funds holding Allegro Microsystems Inc increased by a net total of 3,170,753 in the latest report.

Mutual Funds Chart

Your browser does not support this chart.

Latest Mutual Fund Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
American Funds SMALLCAP World A5.430%91.038%9,997,9584,764,4582025-03-31
iShares Core S&P Mid-Cap ETF2.316%0.033%4,263,8841,3902025-03-31
Vanguard Total Stock Mkt Idx Inv2.048%0.362%3,770,49113,6092025-03-31
Vanguard Small Cap Index1.623%-2.117%2,988,766-64,6522025-03-31
Vanguard Information Technology ETF1.547%0.511%2,847,55014,4662025-03-31
Vanguard Institutional Extnd Mkt Idx Tr1.086%0.651%2,000,13512,9332025-03-31
Vanguard Small Cap Growth Index Inv0.911%-2.124%1,676,626-36,3832025-03-31
JPM US Technology A (dist) USD0.890%4.305%1,637,86567,6062025-03-31
JPM Small Cap Equity-MA0.712%-38.567%1,311,184-823,1372025-03-31
JPM US Small Cap Core-Composite0.712%-38.567%1,311,184-823,1372025-03-31
ClearBridge Small Cap Growth0.707%2.983%1,301,53837,7002025-03-31
ClearBridge Small Cap Growth A0.707%0.455%1,301,5385,9002025-03-31

Top Mutual Funds

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
American Funds SMALLCAP World A5.430%91.038%9,997,9584,764,4582025-03-31
Fidelity Select Semiconductors4.837%0.000%8,906,64202025-02-28
iShares Core S&P Mid-Cap ETF2.316%0.033%4,263,8841,3902025-03-31
Vanguard US Total Market Shares ETF2.174%28.610%4,002,930890,4662024-09-30
Select Semiconductors2.033%0.000%3,913,00002023-11-30
Fidelity® Select Semiconductors2.033%0.000%3,913,00002023-09-30
Vanguard Total Stock Mkt Idx Inv2.048%0.362%3,770,49113,6092025-03-31
Sapphire Star Capital Mid Cap Growth1.946%0.000%3,743,9083,743,9082023-06-30
Vanguard Small Cap Index1.623%-2.117%2,988,766-64,6522025-03-31
Vanguard Information Technology ETF1.547%0.511%2,847,55014,4662025-03-31
Vanguard Instl Ttl Stck Mkt Idx Tr1.273%19.861%2,450,605406,0682023-03-31
Fidelity Small Cap Value Fund1.211%0.000%2,230,00002025-01-31
Vanguard Institutional Extnd Mkt Idx Tr1.086%0.651%2,000,13512,9332025-03-31
SPDR® S&P Semiconductor ETF1.023%-0.468%1,883,271-8,8512025-02-28
JPMorgan Small Cap Equity A0.972%-3.503%1,789,509-64,9702025-02-28
Fidelity Advisor Equity Growth I0.956%0.000%1,758,66502024-10-31
Vanguard Small Cap Growth Index Inv0.911%-2.124%1,676,626-36,3832025-03-31
Fidelity VIP Growth Initial0.900%0.000%1,655,74102024-10-31
JPM US Technology A (dist) USD0.890%4.305%1,637,86567,6062025-03-31
Macquarie Small Cap Value A0.845%0.000%1,555,20002025-02-28
Invesco OFI Small Cap Growth0.817%79.438%1,502,404665,1192024-06-30
Invesco Discovery A0.817%0.000%1,502,40402024-08-31
JPMorgan Small Cap Growth A0.741%-18.508%1,364,403-309,8772025-02-28
JPM Small Cap Equity-MA0.712%-38.567%1,311,184-823,1372025-03-31
JPM US Small Cap Core-Composite0.712%-38.567%1,311,184-823,1372025-03-31
Allspring Growth Inst0.712%-7.429%1,308,405-105,0002024-06-30
Vanguard Explorer Inv0.708%0.000%1,304,40002024-12-31
ClearBridge Small Cap Growth0.707%2.983%1,301,53837,7002025-03-31
ClearBridge Small Cap Growth A0.707%0.455%1,301,5385,9002025-03-31
Calvert Small-Cap A0.695%0.000%1,279,76602025-02-28
Calvert US Small-Cap Strategy0.695%43.751%1,279,766389,4992024-12-31
Fidelity Small Cap Growth0.693%0.000%1,275,14602025-01-31
SPDR® S&P MIDCAP 400 ETF Trust0.685%3.086%1,260,25737,7242024-11-30
T. Rowe Price Small-Cap Value0.617%16.551%1,135,116161,1912024-11-30
Fidelity Mid-Cap Stock0.616%0.000%1,132,45402024-08-31
Lord Abbett Developing Growth A0.580%0.000%1,115,39302023-07-31
AB Small Cap Growth A0.516%4.947%993,81446,8502023-09-30
Goldman Sachs Small/Mid Cap Growth Instl0.502%-1.527%961,946-14,9162022-12-31
Invesco Small Cap Growth A0.484%-13.148%930,895-140,9212023-03-31
Fidelity VIP Mid Cap Initial0.473%0.000%915,40002024-04-30
Dynamic Premium Yield PLUS F0.469%0.000%907,70002024-03-31
Federated Hermes Kaufmann Small Cap A0.466%0.000%900,00002023-12-31
Federated Hermes Kaufmann Small Cap Grow0.466%0.000%900,00002023-12-31
Vanguard Extended Market Index Investor0.464%0.107%892,6669572023-07-31
Goldman Sachs Small/Mid-Cap Growth0.458%-8.568%879,527-82,4192023-03-31
T. Rowe Price Small-Cap Stock0.453%13.181%878,400102,3002024-03-31
Fidelity® Growth Strategies0.444%8.256%853,60065,1002023-10-31
First Trust NASDAQ® Cln Edge® GrnEngyETF0.430%0.000%830,98602024-02-29
Artisan Small Cap Investor0.429%-5.197%826,447-45,3002023-12-31
Artisan U.S. Small-Cap Growth0.428%-5.197%826,447-45,3002023-12-31
MFS New Discovery I0.416%14.770%800,678103,0422023-11-30
Delaware Ivy Small Cap Growth C0.404%0.000%777,37002023-09-30

Discussions

Please log in or register to share your thoughts.

davieshelvy11/10/24 01:11am

$ALGM my hands are made out of diamonds

0 Like Report
wsb_pro10/26/24 02:01pm

$ALGM Good morning gang!

0 Like Report
4texin8/2/24 06:33am

$ALGM come on bulls we can do it
don’t let bears win

0 Like Report
4texin5/2/24 09:01pm

$ALGM Hold on to your Butts.

0 Like Report