ALLEGRO MICROSYSTEMS, INC. - Common Stock (ALGM)

Historical Holders from Q4 2020 to Q4 2025

Symbol
ALGM on Nasdaq
Type / Class
Equity / Common Stock
Shares outstanding
184,934,384
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
135,894,360
Holdings value
$3,967,828,999
% of all portfolios
0%
Number of holders
287
Number of buys
139
Number of sells
149
Average buys %
+0%
Average sells %
-0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of ALLEGRO MICROSYSTEMS, INC. - Common Stock (ALGM) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
FMR LLC 15% +18% $598,456,415 +$92,179,474 26,921,116 +18% FMR LLC 31 Mar 2025
Capital Research Global Investors 8.6% +43% $484,764,801 +$147,570,627 15,904,357 +44% Capital Research Global Investors 30 Jun 2025
JPMORGAN CHASE & CO 4.8% $199,962,251 8,995,153 JPMORGAN CHASE & CO. 31 Mar 2025
As of 30 Sep 2025 ALLEGRO MICROSYSTEMS, INC. - Common Stock (ALGM) has 287 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 135,894,360 shares of 184,934,384 outstanding shares and own 73% of the company stock as of 30 Sep 2025.

Top 25 institutional shareholders of ALLEGRO MICROSYSTEMS, INC. - Common Stock (ALGM) own 63% of the company based on 13F filings as of 30 Sep 2025

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
FMR LLC 15% 27,467,843 +0.81% 0.04% $802,060,992
Capital Research Global Investors 9.1% 16,824,722 +5.8% 0.09% $491,281,882
VANGUARD GROUP INC 7.7% 14,293,465 +0.62% 0.01% $417,369,179
BlackRock, Inc. 6.2% 11,377,418 -3.5% 0.01% $332,220,613
JPMORGAN CHASE & CO 4.2% 7,731,267 -3.5% 0.01% $225,753,000
Invesco Ltd. 2.9% 5,312,427 -15% 0.02% $155,122,868
STATE STREET CORP 2.9% 5,281,285 +1.7% 0.01% $154,213,522
Clearbridge Investments, LLC 1.6% 2,932,806 -7.3% 0.06% $85,637,927
ALLIANCEBERNSTEIN L.P. 1.5% 2,690,496 -2.5% 0.02% $78,562,483
GEODE CAPITAL MANAGEMENT, LLC 1.3% 2,369,129 -1.5% 0% $69,190,805
MACQUARIE GROUP LTD 1.2% 2,197,274 -15% 0.07% $64,160,000
DIMENSIONAL FUND ADVISORS LP 1.1% 1,970,550 -6.5% 0.01% $57,539,641
MORGAN STANLEY 1% 1,939,029 -6.6% 0% $56,619,686
PRINCIPAL FINANCIAL GROUP INC 1% 1,914,074 -11% 0.03% $55,890,961
ADAGE CAPITAL PARTNERS GP, L.L.C. 0.85% 1,576,627 -28% 0.07% $46,037,508
SEGALL BRYANT & HAMILL, LLC 0.72% 1,323,726 -0.34% 0.51% $38,652,799
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.7% 1,294,993 +4.5% 0.01% $37,813,796
Analog Century Management LP 0.64% 1,174,953 -14% 1.8% $34,308,628
WELLINGTON MANAGEMENT GROUP LLP 0.63% 1,160,917 -56% 0.01% $33,898,777
T. Rowe Price Investment Management, Inc. 0.59% 1,085,198 -16% 0.02% $31,688,000
NORTHERN TRUST CORP 0.55% 1,010,857 -4.5% 0% $29,517,024
Point72 Asset Management, L.P. 0.53% 986,800 +235% 0.06% $28,814,560
BANK OF AMERICA CORP /DE/ 0.52% 952,679 +108% 0% $27,818,225
Voya Investment Management LLC 0.51% 942,076 +31% 0.03% $27,508,619
RAYMOND JAMES FINANCIAL INC 0.5% 926,358 -26% 0.01% $27,049,653

Institutional Holders of ALLEGRO MICROSYSTEMS, INC. - Common Stock (ALGM) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q4 2,963 $78,164 -$5,645 $26.38 1
2025 Q3 135,894,360 $3,967,828,999 -$319,341,549 $29.20 287
2025 Q2 146,056,579 $4,992,929,892 -$219,199,122 $34.19 270
2025 Q1 156,311,335 $3,927,728,075 +$388,310,568 $25.13 288
2024 Q4 142,070,784 $3,106,112,737 -$64,525,378 $21.86 252
2024 Q3 141,344,884 $3,292,161,333 +$627,770,708 $23.30 252
2024 Q2 107,226,474 $3,029,877,336 +$100,062,387 $28.24 274
2024 Q1 103,226,620 $2,782,517,874 +$110,414,904 $26.96 277
2023 Q4 155,476 $4,706,258 -$4,558,632 $30.27 3
2023 Q3 80,231,145 $2,562,235,287 -$10,231,860 $31.94 302
2023 Q2 97,055,023 $4,381,138,887 -$21,701,831 $45.14 344
2023 Q1 97,246,444 $4,665,847,989 +$97,406,777 $47.99 306
2022 Q4 93,236,050 $2,799,105,303 +$222,239,772 $30.02 213
2022 Q3 89,653,615 $1,959,015,990 +$38,752,609 $21.85 164
2022 Q2 88,016,010 $1,818,723,579 -$34,395,102 $20.69 159
2022 Q1 88,849,571 $2,525,540,300 +$82,510,561 $28.40 165
2021 Q4 87,931,903 $3,180,712,086 -$41,020,670 $36.18 161
2021 Q3 84,673,351 $2,706,471,358 +$151,641,041 $31.96 150
2021 Q2 79,965,260 $2,215,009,164 +$114,395,810 $27.70 125
2021 Q1 77,963,458 $1,976,374,423 +$421,337,775 $25.35 123
2020 Q4 29,935,709 $798,095,898 +$794,627,640 $26.66 91