Allegro Microsystems, Inc. · NASDAQ:ALGM
Allegro Microsystems, Inc. shareholders
As of Jun 30, 2026, 364 institutions reported holding Allegro Microsystems, Inc., 79.5% of its shares. Largest: Fidelity, Vanguard and BlackRock. New holders, exits, insiders and big stakes, each with its filing.
| Holder | Shares | % of Allegro Microsystems, Inc. | Change | Filed |
|---|---|---|---|---|
| Fidelity | 25.6M | 13.7% | −1.84M | Aug 13, 2026 |
| Vanguard | 14.2M | 7.6% | −170K | Aug 13, 2026 |
| BlackRock | 13.9M | 7.5% | +1.39M | Aug 7, 2026 |
| Invesco | 13.7M | 7.3% | +4.93M | Aug 14, 2026 |
| JPMorgan | 12.7M | 6.8% | +4.07M | Aug 12, 2026 |
| Capital Group | 12M | 6.4% | −429K | Aug 12, 2026 |
| State Street | 5.68M | 3.0% | +448K | Aug 7, 2026 |
| T. Rowe Price | 4.23M | 2.3% | +3.55M | Aug 14, 2026 |
| Franklin Templeton | 2.95M | 1.6% | +82,529 | Aug 13, 2026 |
| Geode Capital | 2.64M | 1.4% | +188K | Aug 12, 2026 |