Who Owns AMERICAN TOWER CORP (AMT-PA)? -- Institutional Holders (2026-06-30)

6 institutions reported holding $99.6M of AMERICAN TOWER CORP (AMT-PA) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($65.8M), JPMORGAN CHASE & CO ($14.8M), GROUP ONE TRADING LLC ($10.8M), SIMPLEX TRADING, LLC ($8.1M), SG Americas Securities, LLC ($0). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1IMC-Chicago, LLC$65.8M402,400Added
2JPMORGAN CHASE & CO$14.8M87,700New
3GROUP ONE TRADING LLC$10.8M66,200Trimmed
4SIMPLEX TRADING, LLC$8.1M49,700Trimmed
5SG Americas Securities, LLC$00Exited
6Maven Securities LTD$00Exited

Source: SEC Form 13F filings · as of 2026-06-30