AMERICAN TOWER CORP COM is a security (CUSIP 03027X950) tracked across SEC portfolio filings. 5 institutional managers reported $43.4M on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| IMC-Chicago, LLC | CHICAGO, IL | $25.4M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $11.6M | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $4.2M | — |
| Maven Securities LTD | ST HELIER, Y9 | $2.3M | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |