SL Green Appears Undervalued, Yet Mamdani's Tax Proposal Poses a Risk
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Feb 18 2026
0mins
Should l Buy SLG?
Source: Barron's
- Stock Valuation: Shares of SL Green Realty, a major player in Manhattan's office market, are perceived as undervalued.
- Dividend Yield Risk: The company's 7.8% dividend yield comes with associated risks that investors need to consider.
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Analyst Views on SLG
Wall Street analysts forecast SLG stock price to rise
15 Analyst Rating
5 Buy
9 Hold
1 Sell
Moderate Buy
Current: 41.630
Low
42.00
Averages
54.40
High
66.00
Current: 41.630
Low
42.00
Averages
54.40
High
66.00
About SLG
SL Green Realty Corp. is a fully integrated real estate investment trust. The Company is engaged in the ownership, management, operation, acquisition, development, redevelopment, and repositioning of commercial real estate properties, principally office properties, located in the New York metropolitan area, principally Manhattan. Its segments include real estate, debt and preferred equity investments, and SUMMIT. Its primary business objective is to maximize the total return to stockholders, through dividends, earnings, and asset value appreciation. The Company holds interests in 54 buildings totaling 30.6 million square feet. This included ownership interests in 27.0 million square feet of Manhattan buildings and 2.8 million square feet securing debt and preferred equity investments. Its properties include 1185 Avenue of the Americas, 810 Seventh Avenue, 711 Third Avenue, and 555 West 57th Street, 1350 Avenue of the Americas, and 10 East 53rd Street.
About the author

Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
- Record Leasing Volume: SL Green signed 51 leases totaling 930,000 square feet in Q1 2026, marking the largest first quarter in the company's 28-year history, indicating strong market demand that is expected to drive future revenue growth.
- Declining Vacancy Rate: The vacancy rate for trophy buildings dropped to 3.4%, with no new space deliveries anticipated for the next three years, highlighting a tight supply-demand dynamic that should enhance rental rates and overall asset value.
- Upgraded Performance Outlook: SL Green raised its year-end same-store occupancy target from 94.8% to 95%, reflecting management's optimism about market conditions, which is likely to further boost investor confidence and shareholder returns.
- Strategic Development Plans: The company reiterated its $2.5 billion disposition plan and is rapidly advancing projects like 346 Madison and 750 Third Avenue, which are expected to lay the groundwork for future capital structure optimization and cash flow improvement.
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- REIT Challenges: SL Green Realty's shares fell 2% despite net rental revenue of approximately $166 million exceeding expectations of $144.5 million, as funds from operations per share dropped to $0.84 from $1.40 last year, reflecting pressures in the real estate market.
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- Disappointing Earnings: SL Green (SLG) reported Q1 FFO per share of $0.84, missing the consensus estimate of $1.08, and down from $1.13 in Q4 2025 and $1.40 in Q1 2025, indicating a decline in profitability.
- Revenue and Expense Trends: Q1 revenue was $253.1 million, exceeding the Visible Alpha consensus of $242.4 million, yet down from $276.5 million in the previous quarter, while total expenses were $297.0 million, slightly down from $300.7 million, reflecting ongoing cost control challenges.
- Strong Leasing Activity: In Q1, SL Green signed 51 Manhattan office leases covering 929,264 square feet, marking the highest leasing volume for a first quarter, indicating a rebound in market demand, although it was a decrease from 56 leases in the previous quarter.
- Optimistic Future Outlook: The company expects to increase Manhattan same-store office occupancy to 95.0% by December 31, 2026, demonstrating management's confidence in market recovery despite current financial performance falling short of investor expectations.
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- Earnings Miss: SL Green Realty reported Q1 FFO of $0.84, missing estimates by $0.24, indicating financial strain despite revenue growth, which may dampen investor confidence.
- Revenue Growth: The company achieved revenue of $253.08 million in Q1, reflecting a 5.5% year-over-year increase; however, this growth was insufficient to offset the widening net loss per share, highlighting rising operational costs.
- Widening Net Loss: The net loss attributable to common stockholders for Q1 2026 was $1.20 per share, significantly up from $0.30 per share in the same period of 2025, suggesting increased financial pressure amid changing market conditions, potentially impacting future capital raising efforts.
- Guidance Reaffirmed: SL Green reaffirmed its 2026 FFO guidance range of $4.40 to $4.70 per share, with a midpoint of $4.55, slightly below the consensus of $4.58, reflecting a cautious outlook on future financial performance.
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