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American Tower Shares Outstanding 2010-2025 | AMT

American Tower shares outstanding history from 2010 to 2025. Shares outstanding can be defined as the number of shares held by shareholders (including insiders) assuming conversion of all convertible debt, securities, warrants and options. This metric excludes the company's treasury shares.
  • American Tower shares outstanding for the quarter ending March 31, 2025 were 0.469B, a 0.18% increase year-over-year.
  • American Tower 2024 shares outstanding were 0.468B, a 0.21% increase from 2023.
  • American Tower 2023 shares outstanding were 0.467B, a 0.95% increase from 2022.
  • American Tower 2022 shares outstanding were 0.463B, a 2.09% increase from 2021.
  
American Tower Annual Shares Outstanding
(Millions of Shares)
2024 468
2023 467
2022 463
2021 453
2020 446
2019 446
2018 443
2017 432
2016 429
2015 423
2014 400
2013 399
2012 399
2011 400
2010 404
2009 407
American Tower Quarterly Shares Outstanding
(Millions of Shares)
2025-03-31 469
2024-12-31 468
2024-09-30 468
2024-06-30 468
2024-03-31 468
2023-12-31 467
2023-09-30 467
2023-06-30 467
2023-03-31 467
2022-12-31 463
2022-09-30 467
2022-06-30 460
2022-03-31 457
2021-12-31 453
2021-09-30 457
2021-06-30 452
2021-03-31 446
2020-12-31 446
2020-09-30 446
2020-06-30 446
2020-03-31 446
2019-12-31 446
2019-09-30 446
2019-06-30 445
2019-03-31 445
2018-12-31 443
2018-09-30 444
2018-06-30 444
2018-03-31 439
2017-12-31 432
2017-09-30 433
2017-06-30 430
2017-03-31 430
2016-12-31 429
2016-09-30 430
2016-06-30 429
2016-03-31 428
2015-12-31 423
2015-09-30 427
2015-06-30 427
2015-03-31 409
2014-12-31 400
2014-09-30 400
2014-06-30 400
2014-03-31 399
2013-12-31 399
2013-09-30 398
2013-06-30 399
2013-03-31 400
2012-12-31 399
2012-09-30 399
2012-06-30 399
2012-03-31 398
2011-12-31 400
2011-09-30 395
2011-06-30 400
2011-03-31 402
2010-12-31 404
2010-09-30 403
2010-06-30 405
2010-03-31 406
2009-12-31 407
2009-09-30 406
2009-06-30 409
2009-03-31 408
Sector Industry Market Cap Revenue
Finance REIT - Other Equity Trusts $103.810B $10.127B
American Tower Corporation, one of the largest global REITs, is a leading independent owner, operator and developer of multitenant communications real estate. In addition to leasing space on towers, they provide customized collocation solutions through our in-building systems, outdoor distributed antenna systems and other right-of-way options, managed rooftops and services that speed network deployment. Headquartered in Boston, Massachusetts, American Tower has offices across the United States and in Argentina, Brazil, Chile, Columbia, Costa Rica, France, Germany, Ghana, India, Mexico, Nigeria, Paraguay, Peru, South Africa and Uganda.
Stock Name Country Market Cap PE Ratio
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Welltower (WELL) United States $99.904B 34.02
Digital Realty Trust (DLR) United States $58.130B 25.31
Public Storage (PSA) United States $51.984B 17.68
Crown Castle (CCI) United States $44.817B 16.18
VICI Properties (VICI) United States $35.326B 14.60
Extra Space Storage Inc (EXR) United States $32.443B 18.74
Ventas (VTR) United States $28.400B 19.36
SBA Communications (SBAC) United States $25.136B 17.67
Brookfield Infrastructure Partners LP (BIP) Bermuda $15.823B 10.75
W.P Carey (WPC) United States $13.846B 13.37
Alexandria Real Estate Equities (ARE) United States $13.306B 8.17
Gaming And Leisure Properties (GLPI) United States $13.250B 12.69
Lamar Advertising (LAMR) United States $12.720B 15.45
Healthpeak Properties (DOC) United States $12.658B 10.01
SEGRO (SEGXF) United Kingdom $12.473B 0.00
Host Hotels & Resorts (HST) United States $11.245B 8.06
BXP (BXP) United States $10.897B 9.82
Omega Healthcare Investors (OHI) United States $10.612B 12.47
Lineage (LINE) United States $9.951B 12.69
CubeSmart (CUBE) United States $9.880B 16.48
EastGroup Properties (EGP) United States $8.921B 20.10
Rexford Industrial Realty (REXR) United States $8.788B 15.54
NNN REIT (NNN) United States $8.178B 12.91
Vornado Realty Trust (VNO) United States $7.248B 16.21
Stag Industrial (STAG) United States $6.838B 15.08
First Industrial Realty Trust (FR) United States $6.510B 18.01
Ryman Hospitality Properties (RHP) United States $6.188B 11.54
CareTrust REIT (CTRE) United States $5.981B 20.00
American Healthcare REIT (AHR) United States $5.913B 25.22
Terreno Realty (TRNO) United States $5.906B 23.14
Healthcare Realty Trust (HR) United States $5.595B 10.20
Cousins Properties (CUZ) United States $4.990B 10.69
Americold Realty Trust (COLD) United States $4.806B 11.72
Sabra Healthcare REIT (SBRA) United States $4.429B 12.75
SL Green Realty (SLG) United States $4.412B 10.26
Kilroy Realty (KRC) United States $4.174B 7.86
Highwoods Properties (HIW) United States $3.380B 8.81
National Health Investors (NHI) United States $3.306B 15.77
COPT Defense Properties (CDP) United States $3.205B 10.96
Apple Hospitality REIT (APLE) United States $2.884B 7.62
OUTFRONT Media (OUT) United States $2.865B 9.41
Four Corners Property Trust (FCPT) United States $2.731B 15.62
Medical Properties Trust (MPW) United States $2.632B 6.17
Douglas Emmett (DEI) United States $2.627B 9.40
Keppel REIT (KREVF) Singapore $2.512B 0.00
National Storage Affiliates Trust (NSA) United States $2.494B 13.70
CoreCivic (CXW) United States $2.367B 12.83
Park Hotels & Resorts (PK) United States $2.167B 5.45
InvenTrust Properties (IVT) United States $2.130B 15.60
Smartstop Self Storage REIT Inc (SMA) United States $2.063B 0.00
Sunstone Hotel Investors (SHO) United States $1.776B 10.76
Global Net Lease (GNL) United States $1.775B 6.06
DiamondRock Hospitality (DRH) United States $1.650B 7.77
LTC Properties (LTC) United States $1.623B 12.62
Innovative Industrial Properties (IIPR) United States $1.594B 6.54
Getty Realty (GTY) United States $1.550B 11.84
Empire State Realty Trust (ESRT) United States $1.402B 8.95
NETSTREIT (NTST) United States $1.395B 13.34
Sila Realty Trust (SILA) United States $1.325B 11.02
Paramount (PGRE) United States $1.322B 8.04
Alexander & Baldwin Holdings (ALEX) United States $1.322B 13.67
Xenia Hotels & Resorts (XHR) United States $1.303B 7.90
Pebblebrook Hotel Trust (PEB) United States $1.265B 6.50
JBG SMITH Properties (JBGS) United States $1.247B 26.67
Alexander's (ALX) United States $1.188B 16.29
RLJ Lodging Trust (RLJ) United States $1.148B 4.88
Uniti Group (UNIT) United States $1.068B 3.18
Easterly Government Properties (DEA) United States $1.022B 7.76
Piedmont Realty Trust (PDM) United States $0.938B 5.16
Diversified Healthcare Trust (DHC) United States $0.905B 28.85
Plymouth Industrial REIT (PLYM) United States $0.745B 8.98
Brandywine Realty Trust (BDN) United States $0.718B 5.46
Gladstone Commercial (GOOD) United States $0.677B 10.22
Whitestone REIT (WSR) United States $0.648B 12.49
Summit Hotel Properties (INN) United States $0.613B 5.87
CTO Realty Growth (CTO) United States $0.583B 8.98
Universal Health Realty Income Trust (UHT) United States $0.572B 12.04
Farmland Partners (FPI) United States $0.533B 41.39
One Liberty Properties (OLP) United States $0.528B 12.74
Peakstone Realty Trust (PKST) United States $0.508B 5.27
Community Healthcare Trust (CHCT) United States $0.496B 8.03
Net Lease Office Properties (NLOP) United States $0.486B 8.50
Global Medical REIT (GMRE) United States $0.486B 8.26
Claros Mortgage Trust (CMTG) United States $0.443B 0.00
Service Properties Trust (SVC) United States $0.433B 2.57
Gladstone Land (LAND) United States $0.386B 28.25
Hudson Pacific Properties (HPP) United States $0.385B 5.79
Postal Realty Trust (PSTL) United States $0.357B 12.19
Chatham Lodging Trust (REIT) (CLDT) United States $0.356B 6.73
Industrial Logistics Properties Trust (ILPT) United States $0.308B 7.90
FrontView REIT (FVR) United States $0.238B 0.00
City Office REIT (CIO) Canada $0.226B 4.96
Alpine Income Property Trust (PINE) United States $0.209B 8.32
BRAEMAR HOTELS & RESORTS INC (BHR) United States $0.171B 12.75
Seritage Growth Properties (SRG) United States $0.168B 0.00
Orion Office REIT (ONL) United States $0.134B 2.88
Highlands REIT (HHDS) United States $0.065B 9.00
Clipper Realty (CLPR) United States $0.062B 5.30
Global Self Storage (SELF) United States $0.061B 13.48
Ashford Hospitality Trust Inc (AHT) United States $0.036B 0.00
Sotherly Hotels (SOHO) United States $0.019B 1.55
Medalist Diversified REIT (MDRR) United States $0.014B 0.00
Mackenzie Realty Capital (MKZR) United States $0.010B 0.00
Creative Media & Community Trust (CMCT) United States $0.007B 0.00
Granite Real Estate (GRP.U) Canada $0.000B 0.00