Compare · AMT vs ONL
AMT vs ONL
Side-by-side comparison of American Tower Corporation (REIT) (AMT) and Orion Properties Inc. (ONL): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both AMT and ONL operate in Real Estate Investment Trusts (Real Estate), so they compete in similar markets.
- AMT is the larger of the two at $90.34B, about 544.4x ONL ($165.9M).
- Over the past year, AMT is down 10.1% and ONL is up 44.0% - ONL leads by 54.1 points.
- AMT has been more active in the news (17 items in the past 4 weeks vs 5 for ONL).
- AMT has more recent analyst coverage (25 ratings vs 2 for ONL).
PerformanceAMT-10.14%ONL+43.98%
2025-06-05+0.00%2026-06-04
- Company
- American Tower Corporation (REIT)
- Orion Properties Inc.
- Price
- $194.33+6.64%
- $2.93+1.03%
- Market cap
- $90.34B
- $165.9M
- 1M return
- +9.09%
- +5.02%
- 1Y return
- -10.14%
- +43.98%
- Industry
- Real Estate Investment Trusts
- Real Estate Investment Trusts
- Exchange
- NYSE
- NYSE
- IPO
- 2021
- News (4w)
- 17
- 5
- Recent ratings
- 25
- 2
AMT
American Tower Corporation (REIT)
American Tower, one of the largest global REITs, is a leading independent owner, operator and developer of multitenant communications real estate with a portfolio of approximately 181,000 communications sites.
ONL
Orion Properties Inc.
Orion Office REIT Inc.(NYSE:ONL.WI) operates independently of Realty Income Corporation as of November 12, 2021.
Latest AMT
- American Tower Corporation (REIT) filed SEC Form 8-K: Other Events
- SVP & Advisor to the CFO Meyer Robert Joseph covered exercise/tax liability with 153 shares, decreasing direct ownership by 0.58% to 26,286 units (SEC Form 4) to cover withholding tax
- American Tower Corporation (REIT) filed SEC Form 8-K: Other Events
- Director Reeve Pamela D A gifted 810 shares, decreasing direct ownership by 4% to 21,089 units (SEC Form 4)
- American Tower to Present at Nareit's REITweek: 2026 Investor Conference
- SEC Form 8-A12B filed by American Tower Corporation (REIT)
- American Tower Corporation (REIT) filed SEC Form 8-K: Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation
- SEC Form S-8 filed by American Tower Corporation (REIT)
- SEC Form 25-NSE filed by American Tower Corporation (REIT)
- American Tower Corporation (REIT) filed SEC Form 8-K: Leadership Update, Submission of Matters to a Vote of Security Holders, Other Events, Financial Statements and Exhibits
Latest ONL
- Director Whyte Gregory J. was granted 34,483 shares, increasing direct ownership by 33% to 139,896 units (SEC Form 4)
- Director Allen Kathleen was granted 34,483 shares, increasing direct ownership by 45% to 111,726 units (SEC Form 4)
- Director Lieb Richard J was granted 34,483 shares, increasing direct ownership by 32% to 141,099 units (SEC Form 4)
- Director Gilyard Reginald Harold was granted 43,103 shares, increasing direct ownership by 19% to 270,881 units (SEC Form 4)
- Orion Properties Inc. filed SEC Form 8-K: Submission of Matters to a Vote of Security Holders
- Amendment: SEC Form SCHEDULE 13G/A filed by Orion Properties Inc.
- SEC Form 10-Q filed by Orion Properties Inc.
- Orion Properties Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits
- Orion Properties Inc. Announces First Quarter 2026 Results
- Orion Properties Inc. Announces First Quarter 2026 Earnings Release and Webcast Dates