Institutional Ownership Allegro Microsystems, Inc. (ALGM)
This table provides information about the institutional ownership of Allegro Microsystems, Inc. (ALGM). We have compiled data on the 333 institutions that hold shares in the stock, with a total of 114 Million shares, which have been reported (via 13F filing form) to have a value of $3.03 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Capital Research Global Investors
Los Angeles, CA |
Nov 13, 2025 Q3 2025 |
16,824,722
shares
|
$448 Million
0.1% of portfolio
|
Q3 2025
Added 5.79%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Nov 07, 2025 Q3 2025 |
14,293,465
shares
|
$380 Million
0.01% of portfolio
|
Q3 2025
Added 0.62%
|
|
|
Jpmorgan Chase & CO
New York, NY |
Nov 07, 2025 Q3 2025 |
7,731,267
shares
|
$206 Million
0.01% of portfolio
|
Q3 2025
Reduced 14.06%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
6,634,658
shares
|
$177 Million
0.0% of portfolio
|
Q2 2024
Reduced 2.11%
|
|
|
Invesco Ltd.
Atlanta, GA |
Nov 13, 2025 Q3 2025 |
5,312,427
shares
|
$141 Million
0.03% of portfolio
|
Q3 2025
Reduced 15.06%
|
|
|
State Street Corp
Boston, MA |
Aug 14, 2025 Q2 2025 |
5,193,001
shares
|
$138 Million
0.01% of portfolio
|
Q2 2025
Added 2.13%
|
|
|
Clearbridge Investments, LLC
New York, NY |
Nov 13, 2025 Q3 2025 |
2,932,806
shares
|
$78 Million
0.07% of portfolio
|
Q3 2025
Reduced 7.3%
|
|
|
Alliancebernstein L.P.
New York, NY |
Aug 14, 2025 Q2 2025 |
2,759,872
shares
|
$73.4 Million
0.03% of portfolio
|
Q2 2025
Added 189.39%
|
|
|
Wellington Management Group LLP
Boston, MA |
Aug 14, 2025 Q2 2025 |
2,636,839
shares
|
$70.2 Million
0.02% of portfolio
|
Q2 2025
Reduced 18.84%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Nov 12, 2025 Q3 2025 |
2,369,129
shares
|
$63 Million
0.0% of portfolio
|
Q3 2025
Reduced 1.53%
|
|
|
Frontier Capital Management CO LLC
|
Aug 14, 2025 Q2 2025 |
2,365,957
shares
|
$63 Million
0.82% of portfolio
|
Q2 2025
Reduced 18.69%
|
|
|
Macquarie Group LTD
Australia, C3 |
Nov 13, 2025 Q3 2025 |
2,197,274
shares
|
$58.5 Million
0.08% of portfolio
|
Q3 2025
Reduced 14.81%
|
|
|
Adage Capital Partners Gp, L.L.C.
Boston, MA |
Aug 14, 2025 Q2 2025 |
2,177,560
shares
|
$57.9 Million
0.13% of portfolio
|
Q2 2025
Added 3.28%
|
|
|
Morgan Stanley
New York, NY |
Aug 15, 2025 Q2 2025 |
2,076,352
shares
|
$55.3 Million
0.0% of portfolio
|
Q2 2025
Reduced 21.6%
|
|
|
Dimensional Fund Advisors LP
Austin, TX |
Nov 12, 2025 Q3 2025 |
1,970,550
shares
|
$52.4 Million
0.01% of portfolio
|
Q3 2025
Reduced 6.51%
|
|
|
Principal Financial Group Inc
Des Moines, IA |
Nov 04, 2025 Q3 2025 |
1,914,074
shares
|
$50.9 Million
0.03% of portfolio
|
Q3 2025
Reduced 11.28%
|
|
|
Kodai Capital Management LP
Chicago, IL |
May 15, 2025 Q1 2025 |
1,655,806
shares
|
$44.1 Million
1.65% of portfolio
|
Q1 2025
New holding
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Aug 14, 2025 Q2 2025 |
1,519,408
shares
|
$40.4 Million
0.01% of portfolio
|
Q2 2025
Reduced 64.94%
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
Aug 14, 2025 Q2 2025 |
1,472,089
shares
|
$39.2 Million
0.08% of portfolio
|
Q2 2025
Reduced 36.72%
|
|
|
Analog Century Management LP
New York, NY |
Aug 14, 2025 Q2 2025 |
1,371,590
shares
|
$36.5 Million
2.85% of portfolio
|
Q2 2025
Reduced 29.01%
|
|
|
Segall Bryant & Hamill, LLC
Chicago, IL |
Nov 12, 2025 Q3 2025 |
1,323,726
shares
|
$35.2 Million
0.54% of portfolio
|
Q3 2025
Reduced 0.34%
|
|
|
Charles Schwab Investment Management Inc
San Francisco, CA |
Nov 10, 2025 Q3 2025 |
1,294,993
shares
|
$34.5 Million
0.01% of portfolio
|
Q3 2025
Added 4.49%
|
|
|
T. Rowe Price Investment Management, Inc.
Baltimore, MD |
Aug 14, 2025 Q2 2025 |
1,287,841
shares
|
$34.3 Million
0.03% of portfolio
|
Q2 2025
Added 0.59%
|
|
|
Raymond James Financial Inc
St. Petersburg, FL |
Aug 14, 2025 Q2 2025 |
1,255,182
shares
|
$33.4 Million
0.02% of portfolio
|
Q2 2025
Added 26.36%
|
|
|
Summit Partners Public Asset Management, LLC
Boston, MA |
Aug 14, 2025 Q2 2025 |
1,154,000
shares
|
$30.7 Million
1.23% of portfolio
|
Q2 2025
Reduced 49.2%
|