Who Owns Allegro MicroSystems, Inc. (ALGM)?Hedge Fund & Institutional Holders
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
ALGM — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | New Position | +2.0M | +$53.0M |
| PRINCIPAL FINANCIAL GROUP INC | New Position | +1.7M | +$46.0M |
| NORGES BANK | New Position | +1.5M | +$38.0M |
| Bank of New York Mellon Corp | New Position | +751K | +$17.0M |
| Talos Eurisko Asset Management LP | New Position | +560K | +$14.8M |
| RENAISSANCE TECHNOLOGIES LLC | New Position | +436K | +$11.0M |
| Alyeska Investment Group, L.P. | New Position | +400K | +$10.0M |
| Allspring Global Investments Holdings, LLC | New Position | +356K | +$9.6M |
| Lightrock Netherlands B.V. | New Position | +354K | +$9.3M |
| PEREGRINE CAPITAL MANAGEMENT LLC | New Position | +271K | +$7.1M |
| Retirement Systems of Alabama | New Position | +190K | +$5.0M |
| Granahan Investment Management, LLC | New Position | +90K | +$2.4M |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | New Position | +80K | +$2.1M |
| CITIGROUP INC | New Position | +106K | +$2.0M |
| Hel Ved Capital Management Ltd | New Position | +63K | +$1.7M |
ALGM — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| FMR LLC | Decreased | -3.8M | -$801.4B |
| Capital Research Global Investors | Decreased | -3.7M | -$490.9B |
| VANGUARD GROUP INC | Decreased | -91K | -$417.0B |
| JPMORGAN CHASE & CO | Decreased | -384K | -$225.6B |
| Clearbridge Investments, LLC | Decreased | -16K | -$85.6B |
| ALLIANCEBERNSTEIN L.P. | Decreased | -1.5M | -$78.5B |
| MACQUARIE GROUP LTD | Closed Position | -2.2M | -$64.2B |
| SEGALL BRYANT & HAMILL, LLC | Decreased | -75K | -$38.6B |
| WELLINGTON MANAGEMENT GROUP LLP | Decreased | -55K | -$33.9B |
| BANK OF AMERICA CORP /DE/ | Decreased | -376K | -$27.8B |
| VOYA INVESTMENT MANAGEMENT LLC | Decreased | -2K | -$27.5B |
| RAYMOND JAMES FINANCIAL INC | Decreased | -18K | -$27.0B |
| FRONTIER CAPITAL MANAGEMENT CO LLC | Decreased | -371K | -$26.1B |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | Decreased | -9K | -$20.0B |
| ROYAL BANK OF CANADA | Decreased | -605K | -$18.8B |
Top Institutional Holders(Q4 2025)
| # | Fund | Shares | Value | % of Portfolio | Type |
|---|---|---|---|---|---|
| 1 | FMR LLC | 21,047,197 | $555.0M | 0.03% | Share |
| 2 | VANGUARD GROUP INC | 13,253,152 | $349.6M | 0.01% | Share |
| 3 | Capital Research Global Investors | 13,111,292 | $345.0M | 0.06% | Share |
| 4 | BlackRock, Inc. | 6,810,908 | $179.0M | 0.00% | Share |
| 5 | Invesco Ltd. | 6,300,578 | $166.2M | 0.03% | Share |
| 6 | STATE STREET CORP | 5,359,488 | $141.0M | 0.00% | Share |
| 7 | JPMORGAN CHASE & CO | 4,968,289 | $131.0M | 0.01% | Share |
| 8 | BlackRock, Inc. | 3,530,431 | $93.0M | 0.00% | Share |
| 9 | Clearbridge Investments, LLC | 2,916,785 | $76.0M | 0.06% | Share |
| 10 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 2,803,944 | $73.0M | 0.11% | Share |
| 11 | CITADEL ADVISORS LLC | 2,560,094 | $67.0M | 0.01% | Share |
| 12 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 2,036,212 | $53.0M | 0.08% | Share |
| 13 | DIMENSIONAL FUND ADVISORS LP | 1,988,192 | $52.0M | 0.01% | Share |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | 1,958,541 | $51.0M | 0.00% | Share |
| 15 | Analog Century Management LP | 1,890,072 | $49.9M | 2.45% | Share |
| 16 | PRINCIPAL FINANCIAL GROUP INC | 1,738,832 | $45.9M | 0.02% | Share |
| 17 | NORGES BANK | 1,457,805 | $38.0M | 0.00% | Share |
| 18 | MILLENNIUM MANAGEMENT LLC | 1,341,739 | $35.0M | 0.01% | Share |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1,362,418 | $35.0M | 0.01% | Share |
| 20 | SEGALL BRYANT & HAMILL, LLC | 1,248,310 | $32.9M | 0.45% | Share |
| 21 | Invesco Ltd. | 1,189,201 | $31.4M | 0.00% | Share |
| 22 | ALLIANCEBERNSTEIN L.P. | 1,148,652 | $30.0M | 0.01% | Share |
| 23 | Point72 Asset Management, L.P. | 1,119,265 | $29.0M | 0.03% | Share |
| 24 | JPMORGAN CHASE & CO | 1,025,780 | $27.0M | 0.00% | Share |
| 25 | FMR LLC | 922,137 | $24.0M | 0.00% | Share |
| 26 | JPMORGAN CHASE & CO | 922,389 | $24.0M | 0.00% | Share |
| 27 | FMR LLC | 869,430 | $22.0M | 0.00% | Share |
| 28 | RAYMOND JAMES FINANCIAL INC | 867,015 | $22.0M | 0.01% | Share |
| 29 | NORTHERN TRUST CORP | 802,521 | $21.0M | 0.00% | Share |
| 30 | BALYASNY ASSET MANAGEMENT L.P. | 809,986 | $21.0M | 0.03% | Share |
| 31 | MORGAN STANLEY | 763,271 | $20.0M | 0.00% | Share |
| 32 | FMR LLC | 758,175 | $20.0M | 0.00% | Share |
| 33 | Schonfeld Strategic Advisors LLC | 754,824 | $19.9M | 0.09% | Share |
| 34 | VANGUARD GROUP INC | 751,547 | $19.8M | 0.00% | Share |
| 35 | GOLDMAN SACHS GROUP INC | 673,649 | $17.0M | 0.00% | Share |
| 36 | BlackRock, Inc. | 666,870 | $17.0M | 0.00% | Share |
| 37 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 675,703 | $17.0M | 0.12% | Share |
| 38 | GW&K Investment Management, LLC | 617,721 | $16.3M | 0.14% | Share |
| 39 | VOYA INVESTMENT MANAGEMENT LLC | 634,763 | $16.0M | 0.02% | Share |
| 40 | MARSHALL WACE, LLP | 589,620 | $15.0M | 0.01% | Share |
| 41 | Talos Eurisko Asset Management LP | 560,200 | $14.8M | 2.62% | Share |
| 42 | WELLINGTON MANAGEMENT GROUP LLP | 562,668 | $14.0M | 0.00% | Share |
| 43 | MORGAN STANLEY | 565,039 | $14.0M | 0.00% | Share |
| 44 | FRONTIER CAPITAL MANAGEMENT CO LLC | 524,931 | $13.8M | 0.15% | Share |
| 45 | S Squared Technology, LLC | 457,451 | $12.1M | 4.67% | Share |
| 46 | LOOMIS SAYLES & CO L P | 477,353 | $12.0M | 0.01% | Share |
| 47 | RENAISSANCE TECHNOLOGIES LLC | 436,200 | $11.0M | 0.02% | Share |
| 48 | FIRST TRUST ADVISORS LP | 448,980 | $11.0M | 0.01% | Share |
| 49 | GEODE CAPITAL MANAGEMENT, LLC | 435,427 | $11.0M | 0.00% | Share |
| 50 | Engineers Gate Manager LP | 419,600 | $11.0M | 0.13% | Share |
ALGM Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 290 | $3.5B | +77 |
| Q3 2025 | 213 | $3.8T | -20 |
| Q2 2025 | 233 | $3.8T | -56 |
| Q1 2025 | 289 | $3.9T | +50 |
| Q4 2024 | 239 | $5.2T | +39 |
| Q3 2024 | 200 | $2459.6T | -20 |
| Q2 2024 | 220 | $1905.2T | +5 |
| Q1 2024 | 215 | $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.