Company overview
SL Green Realty Corp., Manhattan's largest office landlord, is a fully integrated real estate investment trust, or REIT, that is focused primarily on acquiring, managing and maximizing the value of Manhattan commercial properties. As of September 30, 2025, SL Green held interests in 53 buildings totaling 30.7 million square feet. This included ownership interests in 27.1 million square feet of Manhattan buildings and 2.7 million square feet securing debt and preferred equity investments.
Daily valuation snapshot
These values come from the daily market snapshot dated 2026-10-08. TTM means trailing twelve months. Use the market date when comparing SLG with another company.
| Daily close (USD) | $48.94 |
| Market capitalization (USD) | $3,467,545,820 |
| Price / earnings (TTM) | Not reported |
| Price / book | 0.78 |
No matching rows. Clear the filter to see all records.
Read SLG's valuation metrics
Company size
SL Green Realty Corp.'s recorded market capitalization is $3,467,545,820. It measures the market value of the company's equity, rather than its revenue or cash balance.
Price relative to earnings
P/E compares share price with trailing annual earnings per share. For a company with losses, inspect the earnings figures directly rather than treating a negative multiple as a cheap valuation.
Price relative to book equity
SLG's recorded price-to-book ratio is 0.78. That compares its market equity value with recorded book equity. Examine its business and balance sheet to understand why those values differ.
Research SL Green Realty Corp. with Aurora
Use the snapshot above to ask a specific question about SLG. Ask for the report period and the figures behind the explanation, then compare the answer with the company's business description.
Continue the research
Follow SLG's ownership disclosures to see who filed a transaction or position and when it became public. To turn a research idea into a strategy, define an entry rule and test its dated observations.