Allegro Microsystems (ALGM) Superinvestor holders
12 of the superinvestors we track hold Allegro Microsystems (ALGM) in their latest 13F filings, $437M in total.
Summary
The largest holder is Hersh Cohen (ClearBridge Investments), with $205M, 0.2% of the portfolio.
In their latest quarter: 2 opened a new position, 3 added, 6 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| Hersh Cohen ClearBridge Investments |
Added | 2,946,239 | $205M | 0.2% | Q2 2026 |
| Aziz Hamzaogullari Loomis Sayles & Co |
Trimmed | 1,619,931 | $113M | 0.1% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Added | 493,753 | $33M | 0.0% | Q2 2026 |
| Conestoga Conestoga Capital Advisors |
New position | 719,595 | $26M | 0.8% | Q3 2026 |
| Two Sigma Two Sigma Investments |
Trimmed | 343,994 | $24M | 0.0% | Q2 2026 |
| Joel Greenblatt Gotham Asset Management |
Added | 325,436 | $23M | 0.1% | Q2 2026 |
| Man Group Man Group plc |
Trimmed | 95,101 | $7M | 0.0% | Q2 2026 |
| Brandon Haley Holocene Advisors |
New position | 63,010 | $4M | 0.0% | Q2 2026 |
| Paul Marshall Marshall Wace |
Trimmed | 13,309 | $926,572 | 0.0% | Q2 2026 |
| Lee Ainslie Maverick Capital |
Trimmed | 10,094 | $702,744 | 0.0% | Q2 2026 |
| Ensign Peak Ensign Peak Advisors |
Held | 6,366 | $443,201 | 0.0% | Q2 2026 |
| Ken Tropin Graham Capital Management |
Trimmed | 3,605 | $250,980 | 0.0% | Q2 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 12 |
| Q1 2026 | 15 |
| Q4 2025 | 15 |
| Q3 2025 | 14 |
| Q2 2025 | 9 |
| Q1 2025 | 7 |
| Q4 2024 | 7 |
| Q3 2024 | 7 |
Questions about Allegro Microsystems
Which superinvestors own Allegro Microsystems?
12 of the superinvestors we track hold Allegro Microsystems (ALGM) in their latest 13F filings, $437M in total. Hersh Cohen, Aziz Hamzaogullari, Cliff Asness, Conestoga, Two Sigma, Joel Greenblatt.
Who is the largest superinvestor holder of ALGM?
The largest holder is Hersh Cohen (ClearBridge Investments), with $205M, 0.2% of the portfolio.
From Allegro Microsystems's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.