Allegro Microsystems, Inc. (ALGM) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

186,208,258Shares Outstanding
136,495,731Shares held by institutions
$7,489,520,760Value of institutional holdings
73.30%Institutional ownership %
-3.65%Shares Changed QoQ
285No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Allegro Microsystems, Inc. (NASDAQ:ALGM) appears in 285 institutional 13F filings for the quarter ending December 2025.

315 Institutional Holders

136,495,731 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
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
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
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 5,228,104 -131,384 -2.45% $164,842,119.00
Clearbridge Investments, LLC 31 Mar, 2026 2,863,710 -53,075 -1.82% $90,292,781.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 2,456,820 62,852 2.63% $77,480,560.00
Morgan Stanley 31 Mar, 2026 2,275,285 42,149 1.89% $71,739,824.00
DIMENSIONAL FUND ADVISORS LP 31 Mar, 2026 2,170,487 30,340 1.42% $68,398,874.00
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 31 Mar, 2026 2,080,641 44,429 2.18% $65,603,000.00
Principal Financial Group Inc 31 Mar, 2026 1,790,466 48,170 2.76% $56,453,393.00
ALLIANCEBERNSTEIN L.P. 31 Mar, 2026 1,723,370 574,718 50.03% $45,462,501.00
LOOMIS SAYLES & CO L P 31 Mar, 2026 1,674,108 844,869 101.88% $52,784,625.00
ADAGE CAPITAL PARTNERS GP, L.L.C. 31 Mar, 2026 1,464,737 -1,339,207 -47.76% $46,183,158.00
VOYA INVESTMENT MANAGEMENT LLC 31 Mar, 2026 1,459,271 518,913 55.18% $46,010,815.00
Goldman Sachs Group Inc 31 Mar, 2026 1,437,215 -155,443 -9.76% $45,315,389.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 31 Mar, 2026 1,390,606 28,188 2.07% $43,845,807.00