American Tower Ownership & Insider Activity

American Tower (AMT) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 0.8% of shares outstanding. Institutional investors hold 66.5%. Over the past 90 days, insiders made 1 purchase worth $501K and 2 sales worth $1.2M.

Shares Outstanding

465.960M

Shares Float

404.611M

Insider Shares Owned

3.609M

Insider % Owned

0.8%

Institutional Shares Held

309.911M

Institutional % Held

66.5%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

$501K total

Sales (90d)

$1.2M total

Net Activity

Net Selling

Net Value (90d)

-$703K

American Tower Insider Transactions (Last 6 Months)

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Date	Insider	Title	Type	Shares	Price	Value
Aug 21, 2026	Rajesh Kalathur	DIRECTOR	BUY	2.829K	$177.00	$501K
Jul 29, 2026	Joseph Robert Meyer	SVP & ADVISOR TO THE CFO	SELL	5.000K	$178.89	$894K
Jul 28, 2026	Ruth Dowling	EVP, CHIEF ADMIN OFR, GC & SEC	SELL	1.791K	$172.89	$310K
Apr 28, 2026	Ruth Dowling	EVP, CHIEF ADMIN OFR, GC & SEC	SELL	972.000	$178.08	$173K

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Congressional Trading Activity

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Date	Member	Party	Chamber	Action	Amount
May 11, 2026	Dwight Evans	D	House	Sale	$1,001 - $15,000
Mar 27, 2026	Alan Armstrong	R	Senate	Sale	$1,001 - $15,000
Jul 11, 2025	Ritchie Torres	D	House	Sale	$1,001 - $15,000
May 12, 2025	Jefferson Shreve	R	House	Sale	$15,001 - $50,000
Apr 8, 2025	Robert Bresnahan	R	House	Purchase	$1,001 - $15,000
Apr 3, 2025	Dwight Evans	D	House	Sale (Partial)	$1,001 - $15,000
Jan 15, 2025	Julie Johnson	D	House	Sale	$1,001 - $15,000
Sep 26, 2024	Ritchie Torres	D	House	Purchase	$1,001 - $15,000
Dec 28, 2023	Pete Sessions	R	House	Sale	$1,001 - $15,000

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