American Tower (AMT)Milford Funds Ltd reduced its stake -131K shares

490K

Shares reported · -131K vs prior quarter

1.3%

Disclosed portfolio weight

$80.1M

Reported value

Holdings as of

Jun 30, 2026

Filed

Jul 30, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Mar 27, 2026CongressDisclosed sale of AMT — reported range $1,001 - $15,000
2. Jul 28, 2026Company filing · Form 8-K · ResultsReported its results
3. Jul 28, 2026InsiderOfficer sold ~$116K of AMT shares in the open market
4. Jul 29, 2026Insider · 2 peopleInsiders: 2 sales (~$1.1M)

What came next

1. Aug 21, 2026InsiderDirector purchased ~$501K of AMT shares in the open market
2. Sep 14, 2026Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations
3. Sep 17, 2026Company filing · Form 8-K · Executive change, Other newsChanged a top executive or board member, and reported other company news“On September 17, 2026, the Board of Directors (the “Board”) of American Tower Corporation (the “Company”) elected Kristen M. Ludgate as a director and member of its Compensation and Human Capital Committee, effective immediately.”

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for American Tower

For American Tower, OQRO holds 4 insider filings (SEC Form 4 or Form 144), 1 Congress trade report and 42 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its AMT page.

How this filing works

• SEC Form 13F

Other disclosures at American Tower

• SEC Form 4Aug 25, 2026
• SEC Form 13F-HRAug 18, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026

Everything OQRO holds on this company is on its AMT page.