AMERICAN TOWER CORP COM is a security (CUSIP 03027X900) tracked across SEC portfolio filings. 6 institutional managers reported $59.2M on Form 13F as of 2026-06-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| IMC-Chicago, LLC | CHICAGO, IL | $37.1M | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $11.0M | — |
| Maven Securities LTD | ST HELIER, Y9 | $7.1M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $4.0M | — |
| SG Americas Securities, LLC | NEW YORK, NY | $18 | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |