ALLEGRO MICROSYSTEMS INC — institutional ownership

3 funds reported holding ALLEGRO MICROSYSTEMS INC in their latest 13F filings, worth $6.84M in total (CUSIP 01749D905).

Largest holders

1. SIMPLEX TRADING, LLC — $2.94M
2. IMC-Chicago, LLC — $2.29M
3. GROUP ONE TRADING LLC — $1.61M