$163.69▼ −3.66 · −2.2%from $167.35 the session before · Sep 30, 2026 close · end of day
Open
$167.57
High
$167.73
Low
$163.35
Day's range
$4.42.6% of the previous close
VWAP
$164.28close −0.36% from it
Volume, shares
2.78M1.06× the 20-session average
Traded, $
$456.5M
Trades
43.4K64 shares per trade
Previous close
$167.35−3.66 to the close
Market cap
$76.27Bat the close of Sep 30
Day range8% of the way up
$163.35$167.73
52-week range10% of the way up
$160.06 Jul 6$196.08 Jun 5
−17% from the high · +2.3% from the low
Options
No listed options on AMT
Close $ · S&P 500 rebased to the first close126 sessions to Sep 30 · axis fixed at 4 × ATR-14 around the last close · hover or tap a session and the read beside the chart follows it
Revenue $2.75B, +4.7% on a year earlier in the Jun 2026 quarter, consolidated.
Last 8 quarters, consolidatedUS dollars as filed · year on year against the same quarter a year earlier · market: close on the first session after the filing against the last close before it, S&P 500 over the same session
Quarterly results of AMT on the consolidated basis with the market's move on the first session after each filing
Quarter
Revenue $
Revenue YoY
Profit $
Profit YoY
EPS $
Market on the day
Jun 2026filed Jul 28
$2.75B
▲ +4.7%
—
—
1.86
▲ +4.5%S&P 500 −1.5% · +6.1 pp
Mar 2026filed Apr 28
$2.74B
▲ +6.8%
—
—
1.84
▼ −0.1%S&P 500 0.0% · −0.1 pp
Dec 2025filed Feb 24
$2.74B
▲ +7.5%
—
—
1.76
—not reached
Sep 2025filed Oct 28
$2.72B
▲ +7.7%
—
—
1.82
—not reached
Jun 2025filed Jul 28
$2.63B
▲ +3.2%
—
—
0.78
▲ +4.5%S&P 500 −1.5% · +6.1 pp
Mar 2025filed Apr 28
$2.56B
▲ +2.0%
—
—
1.04
▼ −0.1%S&P 500 0.0% · −0.1 pp
Dec 2024filed Feb 25
$2.55B
▲ +3.7%
—
—
2.62
—not reached
Sep 2024filed Oct 28
$2.52B
▲ +0.05%
—
—
-1.69
—not reached
By fiscal yearfiscal years as filed in the 10-K · named by the year the fiscal year ends
Financial-year results of AMT on the consolidated basis, summed from the quarters filed
Year
Revenue $
Revenue YoY
Profit $
Profit YoY
EPS $
FY25to Dec 2025
$10.64B
▲ +5.1%
—
—
5.40
FY24to Dec 2024
$10.13B
▲ +1.1%
—
—
4.82
FY23to Dec 2023
$10.01B
▲ +3.8%
—
—
3.18
FY22to Dec 2022
$9.65B
▲ +3.1%
—
—
3.82
FY21to Dec 2021
$9.36B
▲ +16%
—
—
5.66
Fundamentals
consolidated · filings to Jun 2026 · close $163.69 on Sep 30
AMT trades at 22 times trailing earnings, 21 times book value, revenue +6.7% over twelve months, a 3.3% dividend yield, market cap $76.27B.
Valuation
Market cap
$76.27Bon Sep 30
Price to earnings
22consolidated · four quarters to Jun 2026
Trailing EPS
$7.28diluted · consolidated · four quarters to Jun 2026
Price to book
21consolidated · balance sheet to Jun 2026
Book value a share
$7.98consolidated · balance sheet to Jun 2026
Debt to equity
—
Return on equity
—
Dividend yield
3.3%$5.37 a share in 365 days
Price to sales
7.0market cap over revenue, four quarters to Jun 2026
Shares outstanding
466Mon Sep 30
Growthsums of the four quarters filed to Jun 2026 · growth against the four quarters before them · consolidated
Revenue, trailing 12 months
$10.94Bfour quarters to Jun 2026
Revenue growth, 12 months
▲ +6.7%against the twelve months before
Revenue 3-year CAGR
▲ +1.7%trailing twelve months against the twelve months 3 years earlier · consolidated
Profit, trailing 12 months
—
Profit growth, 12 months
—
Profit 3-year CAGR
—
Shareholding
quarter to Jun 2026 · SEC Form 13F
13F managers hold 180% of shares, BlackRock, Inc. the largest at 20%, VANGUARD CAPITAL MANAGEMENT LLC 13% and VANGUARD PORTFOLIO MANAGEMENT LLC 12%, as filed for the quarter to Jun 2026.
19.7%13.1%11.9%135.5%
BlackRock, Inc. 19.7%
VANGUARD CAPITAL MANAGEMENT LLC 13.1%
VANGUARD PORTFOLIO MANAGEMENT LLC 11.9%
Other 13F managers 135.5%
Held by 13F managers
180%of shares outstanding
Shares held
839M+1.7% on Mar 2026 among managers filing both
Managers holding
1,6601,662 a quarter earlier
Largest holder
20%BlackRock, Inc.
Largest 10 holderspercent of shares outstanding · change in shares against the previous quarter
Largest 13F holders of AMT
Manager
Shares
Of outstanding
Value
Change on quarter
BlackRock, Inc.
91.6M
20%
$14.98B
+1.68M
VANGUARD CAPITAL MANAGEMENT LLC
60.9M
13%
$9.96B
+151K
VANGUARD PORTFOLIO MANAGEMENT LLC
55.7M
12%
$9.11B
+511K
STATE STREET CORP
44.1M
9.5%
$7.29B
+1.26M
GEODE CAPITAL MANAGEMENT, LLC
27.7M
5.9%
$4.52B
−189K
FMR LLC
22.8M
4.9%
$3.72B
+119K
MORGAN STANLEY
19.2M
4.1%
$3.14B
+54.1K
JPMORGAN CHASE & CO
17.7M
3.8%
$2.99B
—
LAZARD ASSET MANAGEMENT LLC
16.8M
3.6%
$2.75B
+2.15M
Invesco Ltd.
14.1M
3.0%
$2.31B
−412K
Insider tradesSEC Forms 3, 4 and 5 · the latest 10
No open-market insider buying or selling in the last 90 days.
AMT insider trades
Insider
Trade
Shares
Price
Held after
Meyer Robert JosephOfficer
withheld for tax · Jun 1, 2026
153
$187.53
26,286
REEVE PAMELA D ADirector
gift · May 28, 2026
810
$0.00
21,089
Dowling Ruth TOfficer
sold · Apr 28, 2026
556
$178.48
29,877
Dowling Ruth TOfficer
sold · Apr 29, 2026
416
$177.54
29,461
Frank Kenneth RDirector
granted · Mar 10, 2026
1,209
$0.00
6,188
Lieblein GraceDirector
granted · Mar 10, 2026
1,209
$0.00
9,141
Tanner Bruce LDirector
granted · Mar 10, 2026
1,209
$0.00
6,940
REILLY EUGENE FDirector
granted · Mar 10, 2026
1,209
$0.00
6,898
Ray Neville RDirector
granted · Mar 10, 2026
1,209
$0.00
2,265
REEVE PAMELA D ADirector
granted · Mar 10, 2026
1,209
$0.00
21,899
Corporate actions
exchange records
Nothing upcoming on record; the last was a dividend of $1.79 a share, ex-date Sep 30, 2026.
Actionsex-dates · upcoming first, then the last eight · dividends in dollars a share, splits as ratios
Corporate actions of AMT, upcoming first, then the most recent
Ex-date
Action
Amount or ratio
Record date
recent
Sep 30, 2026
dividend
$1.79
—
Jun 12, 2026
dividend
$1.79
—
Apr 14, 2026
dividend
$1.79
—
Calendardividends by ex-date
Dividends in 365 days
$5.37a share · ex-dates inside the year
Last dividend
$1.79ex-date Sep 30, 2026
Price history
131 sessions on record · to Sep 30 · end of day
AMT is −7.0% over 20 sessions against the S&P 500's +0.1%, 17% below its 52-week high, realised volatility 23% annualised.
Returns against S&P 500longest window first · S&P 500 over the same sessions
Returns of the stock and S&P 500 over six windows, longest first
Window
From $
AMT %
S&P 500 %
Difference pp
120 sessionssince Apr 9
$179.94
▼ −9.0%
▲ +12%
−21
60 sessionssince Jul 7
$165.24
▼ −0.94%
▲ +2.0%
−2.9
20 sessionssince Sep 1
$176.01
▼ −7.0%
▲ +0.11%
−7.1
5 sessionssince Sep 23
$170.78
▼ −4.1%
▼ −0.67%
−3.5
1 sessionsince Sep 29
$167.36
▼ −2.2%
▼ −0.21%
−2.0
Averages of the closeclose against each average
5-session average
$167.07close −2.0% from it
20-session average
$173.25close −5.5% from it
50-session average
$173.04close −5.4% from it
Range and volumetrue range over 14 sessions · high to low over 20 · volume against the 20-session average
Average true range, 14
$3.82.3% of the close
Average day's range, 20
$3.62.2% of the close
Volume against 20 sessions
1.06×2.78M vs 2.64M average
Volatility and co-movement with S&P 500annualised from daily returns
Realised volatility, 20
23%≈ ±1.4% a session · moved more than that on 6 of 20
Realised volatility, 60
25%≈ ±1.5% a session · moved more than that on 19 of 60
Beta to S&P 500, 60
0.05moved with S&P 500 on 34 of 60 sessions
Up and down sessionscloses above and below the previous close
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