FASTENAL CO COM is a security (CUSIP 311900904) tracked across SEC portfolio filings. 6 institutional managers reported $28.8M on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| IMC-Chicago, LLC | CHICAGO, IL | $17.4M | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $8.2M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $3.2M | — |
| JPMORGAN CHASE & CO | NEW YORK, NY | $18K | — |
| SG Americas Securities, LLC | NEW YORK, NY | $44 | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |