Who Owns Allegro MicroSystems, Inc. (ALGM)?Hedge Fund & Institutional Holders

$30.99-0.17 (-0.55%)TechnologyNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$5.5500034961834504e+247T

% of Float Held

Infinity%

QoQ Change in Holders

+15 / -1

Price History

$16.53$23.10$29.67$36.24$42.81Sep 24Jun 25Mar 26

ALGM — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.New Position+2.0M+$53.0M
PRINCIPAL FINANCIAL GROUP INCNew Position+1.7M+$46.0M
NORGES BANKNew Position+1.5M+$38.0M
Bank of New York Mellon CorpNew Position+751K+$17.0M
Talos Eurisko Asset Management LPNew Position+560K+$14.8M
RENAISSANCE TECHNOLOGIES LLCNew Position+436K+$11.0M
Alyeska Investment Group, L.P.New Position+400K+$10.0M
Allspring Global Investments Holdings, LLCNew Position+356K+$9.6M
Lightrock Netherlands B.V.New Position+354K+$9.3M
PEREGRINE CAPITAL MANAGEMENT LLCNew Position+271K+$7.1M
Retirement Systems of AlabamaNew Position+190K+$5.0M
Granahan Investment Management, LLCNew Position+90K+$2.4M
MASSACHUSETTS FINANCIAL SERVICES CO /MA/New Position+80K+$2.1M
CITIGROUP INCNew Position+106K+$2.0M
Hel Ved Capital Management LtdNew Position+63K+$1.7M

ALGM — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
FMR LLCDecreased-3.8M-$801.4B
Capital Research Global InvestorsDecreased-3.7M-$490.9B
VANGUARD GROUP INCDecreased-91K-$417.0B
JPMORGAN CHASE & CODecreased-384K-$225.6B
Clearbridge Investments, LLCDecreased-16K-$85.6B
ALLIANCEBERNSTEIN L.P.Decreased-1.5M-$78.5B
MACQUARIE GROUP LTDClosed Position-2.2M-$64.2B
SEGALL BRYANT & HAMILL, LLCDecreased-75K-$38.6B
WELLINGTON MANAGEMENT GROUP LLPDecreased-55K-$33.9B
BANK OF AMERICA CORP /DE/Decreased-376K-$27.8B
VOYA INVESTMENT MANAGEMENT LLCDecreased-2K-$27.5B
RAYMOND JAMES FINANCIAL INCDecreased-18K-$27.0B
FRONTIER CAPITAL MANAGEMENT CO LLCDecreased-371K-$26.1B
SILVERCREST ASSET MANAGEMENT GROUP LLCDecreased-9K-$20.0B
ROYAL BANK OF CANADADecreased-605K-$18.8B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1FMR LLC21,047,197$555.0M0.03%Share
2VANGUARD GROUP INC13,253,152$349.6M0.01%Share
3Capital Research Global Investors13,111,292$345.0M0.06%Share
4BlackRock, Inc.6,810,908$179.0M0.00%Share
5Invesco Ltd.6,300,578$166.2M0.03%Share
6STATE STREET CORP5,359,488$141.0M0.00%Share
7JPMORGAN CHASE & CO4,968,289$131.0M0.01%Share
8BlackRock, Inc.3,530,431$93.0M0.00%Share
9Clearbridge Investments, LLC2,916,785$76.0M0.06%Share
10ADAGE CAPITAL PARTNERS GP, L.L.C.2,803,944$73.0M0.11%Share
11CITADEL ADVISORS LLC2,560,094$67.0M0.01%Share
12NOMURA ASSET MANAGEMENT INTERNATIONAL INC.2,036,212$53.0M0.08%Share
13DIMENSIONAL FUND ADVISORS LP1,988,192$52.0M0.01%Share
14GEODE CAPITAL MANAGEMENT, LLC1,958,541$51.0M0.00%Share
15Analog Century Management LP1,890,072$49.9M2.45%Share
16PRINCIPAL FINANCIAL GROUP INC1,738,832$45.9M0.02%Share
17NORGES BANK1,457,805$38.0M0.00%Share
18MILLENNIUM MANAGEMENT LLC1,341,739$35.0M0.01%Share
19CHARLES SCHWAB INVESTMENT MANAGEMENT INC1,362,418$35.0M0.01%Share
20SEGALL BRYANT & HAMILL, LLC1,248,310$32.9M0.45%Share
21Invesco Ltd.1,189,201$31.4M0.00%Share
22ALLIANCEBERNSTEIN L.P.1,148,652$30.0M0.01%Share
23Point72 Asset Management, L.P.1,119,265$29.0M0.03%Share
24JPMORGAN CHASE & CO1,025,780$27.0M0.00%Share
25FMR LLC922,137$24.0M0.00%Share
26JPMORGAN CHASE & CO922,389$24.0M0.00%Share
27FMR LLC869,430$22.0M0.00%Share
28RAYMOND JAMES FINANCIAL INC867,015$22.0M0.01%Share
29NORTHERN TRUST CORP802,521$21.0M0.00%Share
30BALYASNY ASSET MANAGEMENT L.P.809,986$21.0M0.03%Share
31MORGAN STANLEY763,271$20.0M0.00%Share
32FMR LLC758,175$20.0M0.00%Share
33Schonfeld Strategic Advisors LLC754,824$19.9M0.09%Share
34VANGUARD GROUP INC751,547$19.8M0.00%Share
35GOLDMAN SACHS GROUP INC673,649$17.0M0.00%Share
36BlackRock, Inc.666,870$17.0M0.00%Share
37SILVERCREST ASSET MANAGEMENT GROUP LLC675,703$17.0M0.12%Share
38GW&K Investment Management, LLC617,721$16.3M0.14%Share
39VOYA INVESTMENT MANAGEMENT LLC634,763$16.0M0.02%Share
40MARSHALL WACE, LLP589,620$15.0M0.01%Share
41Talos Eurisko Asset Management LP560,200$14.8M2.62%Share
42WELLINGTON MANAGEMENT GROUP LLP562,668$14.0M0.00%Share
43MORGAN STANLEY565,039$14.0M0.00%Share
44FRONTIER CAPITAL MANAGEMENT CO LLC524,931$13.8M0.15%Share
45S Squared Technology, LLC457,451$12.1M4.67%Share
46LOOMIS SAYLES & CO L P477,353$12.0M0.01%Share
47RENAISSANCE TECHNOLOGIES LLC436,200$11.0M0.02%Share
48FIRST TRUST ADVISORS LP448,980$11.0M0.01%Share
49GEODE CAPITAL MANAGEMENT, LLC435,427$11.0M0.00%Share
50Engineers Gate Manager LP419,600$11.0M0.13%Share

ALGM Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025290$3.5B+77
Q3 2025213$3.8T-20
Q2 2025233$3.8T-56
Q1 2025289$3.9T+50
Q4 2024239$5.2T+39
Q3 2024200$2459.6T-20
Q2 2024220$1905.2T+5
Q1 2024215$1557.7T

Similar Stocks by Institutional Ownership

As of Q4 2025, 50 institutional investors hold ALGM (Allegro MicroSystems, Inc.). The largest holder is FMR LLC with $555.0M in shares. This quarter, 15 institutions opened new positions and 1 closed their positions.

Frequently Asked Questions

How many hedge funds own ALGM?

As of Q4 2025, 50 institutional investors report holding ALGM (Allegro MicroSystems, Inc.) in their 13F filings.

Who is the largest institutional holder of ALGM?

The largest institutional holder of ALGM is FMR LLC with $555.0M in shares.

Is institutional ownership of ALGM increasing or decreasing?

This quarter, 15 institutions opened new positions in ALGM and 1 closed their positions.