Allegro Microsystems, Inc. (ALGM) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

186,208,258Shares Outstanding
138,829,133Shares held by institutions
$6,540,240,456Value of institutional holdings
74.56%Institutional ownership %
18.28%Shares Changed QoQ
315No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Allegro Microsystems, Inc. (NASDAQ:ALGM) has 285 institutional investors with active 13F positions as of December 2025.

562 Institutional Holders

138,829,133 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
FMR LLC 31 Mar, 2026 27,421,206 3,785,460 16.02% $864,590,613.00
FMR LLC 31 Mar, 2026 23,635,746 -3,832,097 -13.95% $623,510,987.00
VANGUARD GROUP INC 31 Mar, 2026 14,202,528 -90,937 -0.64% $374,662,689.00
Capital Research Global Investors 31 Mar, 2026 13,111,292 -3,713,430 -22.07% $345,875,883.00
BlackRock, Inc. 31 Mar, 2026 12,494,868 293,411 2.40% $393,963,174.00
Capital Research Global Investors 31 Mar, 2026 12,435,558 -675,734 -5.15% $392,093,144.00
BlackRock, Inc. 31 Mar, 2026 12,201,457 824,039 7.24% $321,874,446.00
Invesco Ltd. 31 Mar, 2026 8,751,481 1,100,430 14.38% $275,934,196.00
Jpmorgan Chase & Co 31 Mar, 2026 8,652,068 1,304,646 17.76% $242,604,037.00
VANGUARD PORTFOLIO MANAGEMENT LLC 31 Mar, 2026 7,920,042 7,920,042 0.00% $249,718,924.00
Invesco Ltd. 31 Mar, 2026 7,651,051 2,338,624 44.02% $201,834,725.00
Jpmorgan Chase & Co 31 Mar, 2026 7,347,422 -8,115,112 -52.48% $193,825,019.00
VANGUARD CAPITAL MANAGEMENT LLC 31 Mar, 2026 5,464,718 5,464,718 0.00% $172,302,559.00
State Street Corp 31 Mar, 2026 5,359,488 78,203 1.48% $141,383,293.00
State Street Corp 31 Mar, 2026 5,228,104 -131,384 -2.45% $164,842,119.00
Clearbridge Investments, LLC 31 Mar, 2026 2,916,785 -16,021 -0.55% $76,944,799.00
Clearbridge Investments, LLC 31 Mar, 2026 2,863,710 -53,075 -1.82% $90,292,781.00
ADAGE CAPITAL PARTNERS GP, L.L.C. 31 Mar, 2026 2,803,944 1,227,317 77.84% $73,968,043.00
CITADEL ADVISORS LLC 31 Mar, 2026 2,560,520 2,228,889 672.10% $67,546,518.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 2,456,820 62,852 2.63% $77,480,560.00