SL Green's Inflection Point: 1 Vanderbilt Pays Off and a Red-Hot Manhattan Market Lifts Guidance
FFO guidance jumps 26% as negative-basis accounting and record leasing turn the office REIT around.
SLG · Earnings Call · 2026-07-23
The 1 Vanderbilt Accounting Windfall
SL Green Realty delivered a blowout quarter, sending its stock up nearly 50% over the past 90 days. The catalyst: a guidance revision that raised FFO guidance by $1.20 per share, or more than 26%. CFO Matthew DiLiberto explained that a large portion stems from accounting at the crown jewel, 1 Vanderbilt.
This property has generated so much cash flow that we repatriated all of our invested equity long ago. That cash flow in excess of our share of GAAP net income at the property caused the carrying value of our investment to go negative.
That negative basis now flows through as incremental FFO—$0.80 per share of recurring, not one-time, earnings. As Matt noted, "We are excited to be able to translate these successes into a significant upward FFO guidance revision of $1.20 a share, more than 26%." This is not a one-time gain; it's the monetization of years of value creation at a building that has become the most profitable in the country. The accounting treatment is unique to the REIT world, and it underscores the immense cash generation of the asset.
The Leasing Engine Accelerates
The guidance raise is underpinned by a leasing market Marc Holliday describes as extraordinary: “the backdrop to our performance this quarter and moving forward is the extraordinary and prolonged surge in business activity in New York City.” — Marc Holliday, Chief Executive Officer · 2026-07-23 Economic occupancy rose 300 basis points, with concessions burning off and rents climbing. Steven Durels touted “Anything on Park Avenue, we have raised rent dramatically.” — Steven Durels, Executive - Leasing/Operations · 2026-07-23 The company is achieving double-digit renewal spreads, and early renewals are providing "instant gratification" to GAAP revenue, as Matthew puts it. “Renewals and early renewals are instant gratification when it comes to GAAP revenue recognition.” — Matthew J. DiLiberto, Chief Financial Officer · 2026-07-23 With face rents up and concessions stabilizing, the net effective rent trajectory is firmly positive. This is a broad-based recovery across Midtown, not just trophy assets. The company is also mining its portfolio for early renewals years ahead of expirations, leveraging a scarcity of premium space to push rents higher across all submarkets, from Park Avenue to Sixth Avenue.
AI Demand, Disciplined Exposure
Amid the recovery, one new theme stands out: AI. Steven Durels noted there are 1.5 million square feet of AI tenant searches in Manhattan, but SL Green is deliberately keeping exposure to just 1-2% of its portfolio. “Most of the tenants that, of any consequence that have come through our doors are firms with ... big revenue versus the .com tenants, which many of them had no revenue.” — Steven Durels, Executive - Leasing/Operations · 2026-07-23 This is a disciplined approach, learning from the dot-com bust. The company is also leveraging AI itself, with Marc citing the new 100,000-square-foot lease at 11 Madison. Notably, Marc highlighted that "we are getting more than our fair share of those leases," reflecting the strength of their Manhattan portfolio in attracting high-credit tenants.
Capital Markets and the Path Ahead
Beyond leasing, SL Green is executing on dispositions and partnerships. The recent Mori Building partnership on 346 Madison and the sale of 10 East 53rd at a 5.7% cap rate signal strong investor appetite. Management has consistently pointed to the value gap. In January, Marc said, “I think the stock is terribly mispriced.” — Marc Holliday, Chairman and CEO · 2026-04-16 And from the April call, on foreign demand: “We have not seen a drop off in foreign investor demand for the debt fund or for product.” — Marc Holliday, Chief Executive Officer · 2025-04-17 The market is finally listening. Even with the fundamentals still in transition—interest coverage stands at just 2.9x, though it has improved from a year ago—the trajectory is unmistakably upward. With the stock up 49% in 90 days, SL Green is now re-rating as the market recognizes the inflection. The company's ability to raise guidance by this magnitude while also completing debt refinancings (with 245 Park in advanced stages) and buying back stock suggests a management team that is confident in the durability of this cycle.