Allegro Microsystems, Inc. (ALGM) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

850,736Shares held by institutions

$23,854,637Value of institutional holdings

78.49%Institutional ownership %

-0.84%Shares Changed QoQ

272No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Allegro Microsystems, Inc. (NASDAQ:ALGM) is held by 285 institutional investors per 13F filings through December 2025.

These investors held 73.3% of outstanding shares in December 2025, down from 78.2% in September 2025.
They decreased total shares held in Allegro Microsystems by -3.65% from last quarter, and the number of investors in ALGM increased 12.2% annually.
Activity in ALGM broke down as 131 buyers, 117 sellers, and 37 unchanged among 285 total holders.
Institutional investors collectively held 136.5Mn shares in Allegro Microsystems as of December 2025, down by 5.17Mn shares quarter on quarter, and down 11.73Mn shares year over year.
As of December 31, 2025, the biggest holder of Allegro Microsystems is FMR LLC at 23.64Mn shares, representing 12.69% of shares outstanding.
Top purchasers of ALGM stock for the quarter ending December 2025 included Invesco Ltd. (2.34Mn), CITADEL ADVISORS LLC (2.23Mn), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (2.04Mn), NORGES BANK (1.46Mn), ADAGE CAPITAL PARTNERS GP, L.L.C. (1.23Mn).
Top sellers of ALGM stock for the quarter ending December 2025 included Jpmorgan Chase & Co (8.12Mn), FMR LLC (3.83Mn), Capital Research Global Investors (3.71Mn), ALLIANCEBERNSTEIN L.P. (1.54Mn), Bank Of America Corp /De/ (1.33Mn).
Per Business Quant, the top 10 investors in ALGM for the quarter ending December 2025 include FMR LLC (23.64Mn), VANGUARD GROUP INC (14.2Mn), Capital Research Global Investors (13.11Mn), BlackRock, Inc. (12.2Mn), Invesco Ltd. (7.65Mn), Jpmorgan Chase & Co (7.35Mn), State Street Corp (5.36Mn), Clearbridge Investments, LLC (2.92Mn), ADAGE CAPITAL PARTNERS GP, L.L.C. (2.8Mn), CITADEL ADVISORS LLC (2.56Mn).

285 Institutional Holders

850,736 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	824,039	7.24%	$0.00
FMR LLC	31 Dec, 2025	-3,832,097	-13.95%	$0.00
Analog Century Management LP	31 Dec, 2025	-459,834	-19.57%	$0.00
Barclays Plc	31 Dec, 2025	-138,345	-61.04%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	-90,937	-0.64%	$0.00
Point72 Asset Management, L.P.	31 Dec, 2025	132,465	13.42%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	-7,229	-8.32%	$0.00
Capital Research Global Investors	31 Dec, 2025	-3,713,430	-22.07%	$0.00
Schonfeld Strategic Advisors LLC	31 Dec, 2025	674,359	838.08%	$0.00
PEAK6 LLC	31 Dec, 2025	55,084	0.00%	$0.00
Invesco Ltd.	31 Dec, 2025	2,338,624	44.02%	$0.00
Talos Eurisko Asset Management LP	31 Dec, 2025	560,200	0.00%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	30,794	1,041.04%	$0.00
Jpmorgan Chase & Co	31 Dec, 2025	-8,115,112	-52.48%	$0.00
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	-604,708	-55.72%	$0.00
State Street Corp	31 Dec, 2025	78,203	1.48%	$0.00
Engineers Gate Manager LP	31 Dec, 2025	350,434	506.66%	$0.00
Clearbridge Investments, LLC	31 Dec, 2025	-16,021	-0.55%	$0.00
Man Group plc	31 Dec, 2025	171,818	79.81%	$0.00
ADAGE CAPITAL PARTNERS GP, L.L.C.	31 Dec, 2025	1,227,317	77.84%	$0.00

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