BXP sells equity stake in 343 Madison development
BXP sold a 10.6% equity stake in its $2B 343 Madison Ave. project to AVRS Partners, gaining financial flexibility. BXP secured a $1.2B construction loan with a SOFR+2.5% interest rate. Leasing progress includes Starr and McDermott Will & Schulte, with 70% pre-leased. Completion is expected in 2029.
How this was made

The 30-second read
Why it matters
The new equity partner and loan reduce financing risk and may improve BXP's earnings outlook, but dilution and higher debt service could temper enthusiasm.
Market read
The transaction provides fresh capital for a major Manhattan office project, potentially influencing BXP's stock and the broader office REIT sector.
What to watch
Potential future leasing commitments and the impact of rising interest rates on the loan's cost.
Background
Boston Properties (BXP) is a leading U.S. REIT focused on office properties. The 343 Madison Avenue tower is a high-profile, $2B development in Midtown Manhattan.
Ticker impact
Boston Properties sold a 10.6% equity stake in its 343 Madison Avenue project to AVRS Partners, raising cash and securing a $1.2B construction loan.
likely modest upside as the market prices in the new capital and loan terms
The stake sale and loan are newly disclosed, sizable relative to the project, and address prior financing constraints.
Market effects
Adds confidence to the Manhattan office development sector, showing continued investor appetite for large office projects.
May support New York commercial real estate sentiment, potentially benefiting peers in the region.
Limited to U.S. commercial real estate; no broader macro effect.
Counterpoint
The equity dilution could be viewed negatively if the market doubts the project's long-term demand.
Key entities
- CompanyBoston Properties
US-listed REIT (ticker BXP) developing 343 Madison Avenue.
- Private InvestorAVRS Partners
Equity partner acquiring a 10.6% stake in the project.


