American Tower Corporation (AMT) Institutional Ownership & Insider Trading

1,744 institutions reported holding American Tower Corporation shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 23 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

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REIT - Specialty · Real Estate

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Market cap: 88.1B
P/E TTM: 26.0
Dividend yield: 3.7%
52-week: —
Next earnings: 27 Oct, in 3 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

1,744 institutions held 94.5% of the shares. Across filers that reported both quarters, shares held changed -0.1%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	1,744	440	-0.1%	601	123	580	123
Mar 26	1,732	431	-0.1%	618	100	561	103
Dec 25	1,733	435	-3.7%	508	66	734	155
Sep 25	1,752	444	+3.3%	522	89	621	119
Jun 25	1,813	435	-0.3%	591	90	588	81
Mar 25	1,791	429	+0.5%	582	137	630	87
Dec 24	1,729	432	-0.0%	500	67	694	190
Sep 24	1,797	421	-3.3%	549	149	577	70

American Tower Corporation — questions

Who owns American Tower Corporation stock?: 1,744 institutions reported American Tower Corporation shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (9.8%), VANGUARD CAPITAL MANAGEMENT LLC (6.5%), VANGUARD PORTFOLIO MANAGEMENT LLC (6.0%).
Are American Tower Corporation insiders buying or selling?: 23 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from American Tower Corporation's own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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