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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 $104.961B $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.
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Crown Castle (CCI) United States $47.378B 18.89
VICI Properties (VICI) United States $34.332B 14.19
Extra Space Storage Inc (EXR) United States $31.473B 18.17
Ventas (VTR) United States $29.438B 20.07
SBA Communications (SBAC) United States $24.365B 17.13
Brookfield Infrastructure Partners LP (BIP) Bermuda $14.676B 9.97
W.P Carey (WPC) United States $14.021B 13.54
Alexandria Real Estate Equities (ARE) United States $13.685B 8.43
Gaming And Leisure Properties (GLPI) United States $12.939B 11.97
Lamar Advertising (LAMR) United States $12.759B 15.50
Healthpeak Properties (DOC) United States $11.994B 9.43
SEGRO (SEGXF) United Kingdom $11.635B 0.00
Host Hotels & Resorts (HST) United States $11.377B 8.16
Omega Healthcare Investors (OHI) United States $11.066B 13.01
BXP (BXP) United States $11.019B 9.93
Lineage (LINE) United States $9.829B 12.54
CubeSmart (CUBE) United States $9.323B 15.55
Rexford Industrial Realty (REXR) United States $8.747B 15.53
EastGroup Properties (EGP) United States $8.599B 18.73
NNN REIT (NNN) United States $7.907B 12.48
Vornado Realty Trust (VNO) United States $7.475B 16.71
Stag Industrial (STAG) United States $6.487B 14.31
First Industrial Realty Trust (FR) United States $6.461B 17.24
Ryman Hospitality Properties (RHP) United States $5.936B 11.07
American Healthcare REIT (AHR) United States $5.903B 25.18
CareTrust REIT (CTRE) United States $5.856B 19.58
Terreno Realty (TRNO) United States $5.759B 22.57
Healthcare Realty Trust (HR) United States $5.503B 10.04
Americold Realty Trust (COLD) United States $4.621B 11.27
Cousins Properties (CUZ) United States $4.584B 9.82
Kilroy Realty (KRC) United States $4.330B 8.10
Sabra Healthcare REIT (SBRA) United States $4.278B 12.31
SL Green Realty (SLG) United States $4.171B 10.43
National Health Investors (NHI) United States $3.266B 15.58
Highwoods Properties (HIW) United States $3.205B 8.35
COPT Defense Properties (CDP) United States $3.155B 10.63
OUTFRONT Media (OUT) United States $2.992B 9.83
Apple Hospitality REIT (APLE) United States $2.948B 7.79
Keppel REIT (KREVF) Singapore $2.757B 0.00
Four Corners Property Trust (FCPT) United States $2.626B 15.02
Douglas Emmett (DEI) United States $2.577B 9.22
Medical Properties Trust (MPW) United States $2.559B 6.00
National Storage Affiliates Trust (NSA) United States $2.369B 13.01
Park Hotels & Resorts (PK) United States $2.229B 5.60
CoreCivic (CXW) United States $2.196B 11.90
InvenTrust Properties (IVT) United States $2.122B 15.55
Smartstop Self Storage REIT Inc (SMA) United States $2.005B 0.00
Sunstone Hotel Investors (SHO) United States $1.786B 10.82
DiamondRock Hospitality (DRH) United States $1.657B 7.80
Global Net Lease (GNL) United States $1.606B 5.48
LTC Properties (LTC) United States $1.578B 12.27
Getty Realty (GTY) United States $1.560B 11.63
NETSTREIT (NTST) United States $1.537B 14.27
Innovative Industrial Properties (IIPR) United States $1.489B 6.11
JBG SMITH Properties (JBGS) United States $1.410B 30.16
Uniti Group (UNIT) United States $1.399B 4.16
Sila Realty Trust (SILA) United States $1.368B 11.38
Paramount (PGRE) United States $1.366B 8.31
Alexander & Baldwin Holdings (ALEX) United States $1.329B 11.94
Alexander's (ALX) United States $1.306B 17.92
Xenia Hotels & Resorts (XHR) United States $1.293B 7.84
Pebblebrook Hotel Trust (PEB) United States $1.256B 6.45
Empire State Realty Trust (ESRT) United States $1.245B 8.12
RLJ Lodging Trust (RLJ) United States $1.180B 5.02
Easterly Government Properties (DEA) United States $1.008B 7.66
Piedmont Realty Trust (PDM) United States $0.929B 5.15
Hudson Pacific Properties (HPP) United States $0.918B 5.15
Diversified Healthcare Trust (DHC) United States $0.813B 25.92
Brandywine Realty Trust (BDN) United States $0.695B 5.83
Plymouth Industrial REIT (PLYM) United States $0.686B 8.28
Whitestone REIT (WSR) United States $0.630B 12.13
Summit Hotel Properties (INN) United States $0.619B 5.94
Gladstone Commercial (GOOD) United States $0.618B 9.34
CTO Realty Growth (CTO) United States $0.571B 8.80
Universal Health Realty Income Trust (UHT) United States $0.567B 12.11
Peakstone Realty Trust (PKST) United States $0.516B 5.36
Service Properties Trust (SVC) United States $0.495B 2.94
One Liberty Properties (OLP) United States $0.493B 11.89
Net Lease Office Properties (NLOP) United States $0.491B 8.58
Farmland Partners (FPI) United States $0.472B 35.03
Global Medical REIT (GMRE) United States $0.464B 7.89
Community Healthcare Trust (CHCT) United States $0.464B 7.50
Claros Mortgage Trust (CMTG) United States $0.431B 12.32
Industrial Logistics Properties Trust (ILPT) United States $0.360B 9.22
Chatham Lodging Trust (REIT) (CLDT) United States $0.346B 6.55
Gladstone Land (LAND) United States $0.344B 25.13
Postal Realty Trust (PSTL) United States $0.341B 11.63
City Office REIT (CIO) Canada $0.279B 6.12
FrontView REIT (FVR) United States $0.234B 0.00
Alpine Income Property Trust (PINE) United States $0.198B 7.89
Seritage Growth Properties (SRG) United States $0.186B 0.00
BRAEMAR HOTELS & RESORTS INC (BHR) United States $0.159B 11.85
Orion Office REIT (ONL) United States $0.147B 3.14
Global Self Storage (SELF) United States $0.060B 13.20
Clipper Realty (CLPR) United States $0.059B 5.04
Ashford Hospitality Trust Inc (AHT) United States $0.039B 0.00
Sotherly Hotels (SOHO) United States $0.018B 1.42
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 $0.005B 0.00
Granite Real Estate (GRP.U) Canada $0.000B 0.00