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 $102.976B $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 $97.557B 33.22
Digital Realty Trust (DLR) United States $56.099B 24.42
Public Storage (PSA) United States $53.343B 18.14
Crown Castle (CCI) United States $45.721B 16.51
VICI Properties (VICI) United States $33.667B 13.91
Extra Space Storage Inc (EXR) United States $31.496B 18.19
Ventas (VTR) United States $29.790B 20.31
SBA Communications (SBAC) United States $25.794B 18.10
Brookfield Infrastructure Partners LP (BIP) Bermuda $14.791B 10.05
W.P Carey (WPC) United States $13.533B 13.07
Gaming And Leisure Properties (GLPI) United States $12.887B 12.34
SEGRO (SEGXF) United Kingdom $12.852B 0.00
Alexandria Real Estate Equities (ARE) United States $12.813B 7.86
Healthpeak Properties (DOC) United States $12.137B 9.60
Lamar Advertising (LAMR) United States $11.759B 14.28
Lineage (LINE) United States $10.428B 13.30
Omega Healthcare Investors (OHI) United States $10.378B 12.20
Host Hotels & Resorts (HST) United States $10.246B 7.35
BXP (BXP) United States $10.166B 9.16
CubeSmart (CUBE) United States $9.727B 16.22
EastGroup Properties (EGP) United States $8.821B 19.88
Rexford Industrial Realty (REXR) United States $8.090B 14.30
NNN REIT (NNN) United States $7.836B 12.37
Vornado Realty Trust (VNO) United States $7.469B 16.70
First Industrial Realty Trust (FR) United States $6.558B 18.14
Stag Industrial (STAG) United States $6.459B 14.24
Terreno Realty (TRNO) United States $5.887B 23.61
Ryman Hospitality Properties (RHP) United States $5.827B 10.86
CareTrust REIT (CTRE) United States $5.588B 18.69
American Healthcare REIT (AHR) United States $5.504B 23.76
Healthcare Realty Trust (HR) United States $5.385B 9.84
Americold Realty Trust (COLD) United States $4.874B 11.89
Cousins Properties (CUZ) United States $4.717B 10.10
Sabra Healthcare REIT (SBRA) United States $4.328B 12.46
SL Green Realty (SLG) United States $4.040B 9.40
Kilroy Realty (KRC) United States $3.741B 7.04
National Health Investors (NHI) United States $3.585B 17.10
Highwoods Properties (HIW) United States $3.231B 8.42
Medical Properties Trust (MPW) United States $3.179B 7.38
COPT Defense Properties (CDP) United States $3.023B 10.34
National Storage Affiliates Trust (NSA) United States $2.803B 15.39
Apple Hospitality REIT (APLE) United States $2.793B 7.38
Four Corners Property Trust (FCPT) United States $2.788B 15.95
Keppel REIT (KREVF) Singapore $2.507B 0.00
OUTFRONT Media (OUT) United States $2.506B 8.23
Douglas Emmett (DEI) United States $2.430B 8.69
CoreCivic (CXW) United States $2.392B 12.95
InvenTrust Properties (IVT) United States $2.180B 15.97
Park Hotels & Resorts (PK) United States $2.075B 5.22
Smartstop Self Storage REIT Inc (SMA) United States $2.024B 0.00
Global Net Lease (GNL) United States $1.848B 6.31
Sunstone Hotel Investors (SHO) United States $1.714B 10.39
LTC Properties (LTC) United States $1.649B 12.82
Getty Realty (GTY) United States $1.586B 12.12
DiamondRock Hospitality (DRH) United States $1.564B 7.36
Innovative Industrial Properties (IIPR) United States $1.530B 6.28
Sila Realty Trust (SILA) United States $1.414B 11.77
NETSTREIT (NTST) United States $1.320B 12.62
Alexander & Baldwin Holdings (ALEX) United States $1.272B 13.15
Empire State Realty Trust (ESRT) United States $1.228B 7.87
JBG SMITH Properties (JBGS) United States $1.178B 25.19
Pebblebrook Hotel Trust (PEB) United States $1.156B 5.94
Xenia Hotels & Resorts (XHR) United States $1.141B 6.92
RLJ Lodging Trust (RLJ) United States $1.118B 4.75
Uniti Group (UNIT) United States $1.109B 3.30
Alexander's (ALX) United States $1.091B 14.97
Paramount (PGRE) United States $0.997B 6.07
Easterly Government Properties (DEA) United States $0.904B 6.87
Piedmont Office Realty Trust (PDM) United States $0.825B 4.54
Diversified Healthcare Trust (DHC) United States $0.729B 23.23
Brandywine Realty Trust (BDN) United States $0.725B 5.51
Plymouth Industrial REIT (PLYM) United States $0.715B 8.62
Gladstone Commercial (GOOD) United States $0.644B 9.85
Whitestone REIT (WSR) United States $0.641B 12.34
CTO Realty Growth (CTO) United States $0.586B 9.04
Universal Health Realty Income Trust (UHT) United States $0.540B 11.36
One Liberty Properties (OLP) United States $0.507B 12.24
Summit Hotel Properties (INN) United States $0.487B 4.67
Farmland Partners (FPI) United States $0.465B 36.14
Global Medical REIT (GMRE) United States $0.456B 7.75
Community Healthcare Trust (CHCT) United States $0.456B 7.38
Net Lease Office Properties (NLOP) United States $0.448B 7.20
Peakstone Realty Trust (PKST) United States $0.433B 4.49
Gladstone Land (LAND) United States $0.348B 20.69
Chatham Lodging Trust (REIT) (CLDT) United States $0.342B 6.46
Service Properties Trust (SVC) United States $0.335B 1.99
Hudson Pacific Properties (HPP) United States $0.321B 4.83
Postal Realty Trust (PSTL) United States $0.298B 10.27
Alpine Income Property Trust (PINE) United States $0.217B 8.62
Industrial Logistics Properties Trust (ILPT) United States $0.208B 5.34
FrontView REIT (FVR) United States $0.205B 0.00
City Office REIT (CIO) Canada $0.200B 4.39
Seritage Growth Properties (SRG) United States $0.167B 0.00
BRAEMAR HOTELS & RESORTS INC (BHR) United States $0.133B 9.90
Orion Office REIT (ONL) United States $0.113B 2.42
Clipper Realty (CLPR) United States $0.065B 5.90
Global Self Storage (SELF) United States $0.059B 12.93
Highlands REIT (HHDS) United States $0.058B 8.07
Ashford Hospitality Trust Inc (AHT) United States $0.035B 0.00
Medalist Diversified REIT (MDRR) United States $0.017B 0.00
Mackenzie Realty Capital (MKZR) United States $0.015B 0.00
Sotherly Hotels (SOHO) United States $0.015B 1.21
Creative Media & Community Trust (CMCT) United States $0.005B 0.00
Granite Real Estate (GRP.U) Canada $0.000B 0.00