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 $100.486B $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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Prologis (PLD) United States $100.773B 19.09
Digital Realty Trust (DLR) United States $57.766B 25.15
Public Storage (PSA) United States $54.105B 18.40
Crown Castle (CCI) United States $43.698B 15.78
VICI Properties (VICI) United States $33.508B 13.85
Extra Space Storage Inc (EXR) United States $32.076B 18.52
Ventas (VTR) United States $29.009B 19.78
SBA Communications (SBAC) United States $24.917B 17.51
Brookfield Infrastructure Partners LP (BIP) Bermuda $15.377B 10.44
W.P Carey (WPC) United States $13.743B 13.27
Gaming And Leisure Properties (GLPI) United States $12.835B 12.29
Lamar Advertising (LAMR) United States $12.342B 14.99
Alexandria Real Estate Equities (ARE) United States $12.142B 7.45
Healthpeak Properties (DOC) United States $12.095B 9.57
SEGRO (SEGXF) United Kingdom $11.770B 0.00
Host Hotels & Resorts (HST) United States $10.746B 7.71
Omega Healthcare Investors (OHI) United States $10.708B 12.59
BXP (BXP) United States $10.660B 9.60
Lineage (LINE) United States $9.759B 12.45
CubeSmart (CUBE) United States $9.747B 16.26
EastGroup Properties (EGP) United States $8.904B 20.07
Rexford Industrial Realty (REXR) United States $8.341B 14.74
NNN REIT (NNN) United States $7.849B 12.39
Vornado Realty Trust (VNO) United States $7.231B 16.17
Stag Industrial (STAG) United States $6.640B 14.64
First Industrial Realty Trust (FR) United States $6.545B 18.11
Terreno Realty (TRNO) United States $5.830B 22.84
Ryman Hospitality Properties (RHP) United States $5.827B 10.86
American Healthcare REIT (AHR) United States $5.573B 23.77
CareTrust REIT (CTRE) United States $5.513B 18.44
Healthcare Realty Trust (HR) United States $5.096B 9.29
Americold Realty Trust (COLD) United States $4.718B 11.51
Cousins Properties (CUZ) United States $4.713B 10.10
Sabra Healthcare REIT (SBRA) United States $4.159B 11.97
SL Green Realty (SLG) United States $4.048B 9.41
Kilroy Realty (KRC) United States $3.809B 7.17
National Health Investors (NHI) United States $3.386B 16.15
Highwoods Properties (HIW) United States $3.202B 8.34
COPT Defense Properties (CDP) United States $3.099B 10.60
Four Corners Property Trust (FCPT) United States $2.774B 15.87
OUTFRONT Media (OUT) United States $2.760B 9.07
Apple Hospitality REIT (APLE) United States $2.757B 7.29
Medical Properties Trust (MPW) United States $2.746B 6.44
National Storage Affiliates Trust (NSA) United States $2.631B 14.45
Keppel REIT (KREVF) Singapore $2.487B 0.00
CoreCivic (CXW) United States $2.397B 12.99
Douglas Emmett (DEI) United States $2.383B 8.52
InvenTrust Properties (IVT) United States $2.179B 15.96
Park Hotels & Resorts (PK) United States $2.071B 5.21
Smartstop Self Storage REIT Inc (SMA) United States $2.026B 0.00
Sunstone Hotel Investors (SHO) United States $1.782B 10.80
Global Net Lease (GNL) United States $1.775B 6.06
LTC Properties (LTC) United States $1.626B 12.64
Getty Realty (GTY) United States $1.622B 12.40
DiamondRock Hospitality (DRH) United States $1.576B 7.42
Innovative Industrial Properties (IIPR) United States $1.547B 6.35
Sila Realty Trust (SILA) United States $1.374B 11.43
Paramount (PGRE) United States $1.326B 8.07
NETSTREIT (NTST) United States $1.315B 12.58
Alexander & Baldwin Holdings (ALEX) United States $1.302B 13.47
Empire State Realty Trust (ESRT) United States $1.291B 8.24
JBG SMITH Properties (JBGS) United States $1.249B 26.72
Xenia Hotels & Resorts (XHR) United States $1.207B 7.32
Alexander's (ALX) United States $1.150B 15.78
RLJ Lodging Trust (RLJ) United States $1.108B 4.71
Pebblebrook Hotel Trust (PEB) United States $1.090B 5.60
Uniti Group (UNIT) United States $1.055B 3.14
Easterly Government Properties (DEA) United States $0.976B 7.42
Piedmont Office Realty Trust (PDM) United States $0.886B 4.88
Diversified Healthcare Trust (DHC) United States $0.755B 24.08
Plymouth Industrial REIT (PLYM) United States $0.738B 8.90
Brandywine Realty Trust (BDN) United States $0.732B 5.57
Gladstone Commercial (GOOD) United States $0.664B 10.03
Whitestone REIT (WSR) United States $0.627B 12.08
CTO Realty Growth (CTO) United States $0.607B 9.35
Universal Health Realty Income Trust (UHT) United States $0.550B 11.58
One Liberty Properties (OLP) United States $0.529B 12.75
Farmland Partners (FPI) United States $0.521B 40.43
Summit Hotel Properties (INN) United States $0.492B 4.71
Community Healthcare Trust (CHCT) United States $0.463B 7.50
Net Lease Office Properties (NLOP) United States $0.462B 8.09
Peakstone Realty Trust (PKST) United States $0.456B 4.73
Global Medical REIT (GMRE) United States $0.425B 7.23
Service Properties Trust (SVC) United States $0.387B 2.30
Gladstone Land (LAND) United States $0.358B 26.15
Chatham Lodging Trust (REIT) (CLDT) United States $0.349B 6.60
Postal Realty Trust (PSTL) United States $0.329B 11.25
Hudson Pacific Properties (HPP) United States $0.263B 3.96
FrontView REIT (FVR) United States $0.220B 0.00
Alpine Income Property Trust (PINE) United States $0.219B 8.70
Industrial Logistics Properties Trust (ILPT) United States $0.218B 5.58
City Office REIT (CIO) Canada $0.197B 4.32
Seritage Growth Properties (SRG) United States $0.159B 0.00
BRAEMAR HOTELS & RESORTS INC (BHR) United States $0.153B 11.40
Orion Office REIT (ONL) United States $0.107B 2.30
Highlands REIT (HHDS) United States $0.094B 13.00
Global Self Storage (SELF) United States $0.065B 14.40
Clipper Realty (CLPR) United States $0.061B 5.21
Ashford Hospitality Trust Inc (AHT) United States $0.033B 0.00
Sotherly Hotels (SOHO) United States $0.016B 1.32
Medalist Diversified REIT (MDRR) United States $0.016B 0.00
Mackenzie Realty Capital (MKZR) United States $0.015B 0.00
Creative Media & Community Trust (CMCT) United States $0.006B 0.00
Granite Real Estate (GRP.U) Canada $0.000B 0.00