David Werner Acquires Stake in Midtown Office Tower

Real estate investor David Werner has secured a 49 percent stake in the 1 million-square-foot 605 Third Avenue property.

Updated on Oct. 22, 2026 in Commercial

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Real estate investor David Werner has acquired a 49 percent stake in 605 Third Avenue, a Midtown Manhattan office tower previously held by Fisher Brothers. AI Illustration. Upload story photo >

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Investor David Werner has purchased a 49 percent stake in 605 Third Avenue, a prominent 43-story Midtown office tower. Fisher Brothers will retain the remaining interest in the building as Werner continues his Manhattan real estate acquisitions.

Why it matters

The deal arrives as Fisher Brothers pivots its financial strategy, having recently withdrawn a planned $100 million bond offering in the Israeli market due to a lack of investor interest. Fisher Brothers attributed the failed capital raise to the current environment of rising interest rates and shifting market conditions.

J.P. Morgan Asset Management placed a $425 million valuation on the 49 percent stake in July 2026. The 43-story tower at 605 Third Avenue encompasses 1 million square feet.

The players

David Werner

David Werner is a prominent real estate investor known for acquiring significant commercial properties throughout Manhattan.

Fisher Brothers

Fisher Brothers is a long-standing real estate development and management firm that retains the majority interest in the 605 Third Avenue office building.

Newmark

Newmark is a commercial real estate services company that provided the brokerage team for the 605 Third Avenue transaction.

The details

Newmark brokers Adam Spies, Joshua King, Adam Doneger, Doug Harmon, Marcella Fasulo, and Avery Silverstein facilitated the acquisition of the stake. Werner intends to maintain the Midtown site as an office property, marking another major Manhattan investment following his December 2025 purchase of One Dag Hammarskjöld Plaza.

Timeline

  1. December 2025: David Werner purchased One Dag Hammarskjöld Plaza.

  2. July 2026: J.P. Morgan Asset Management valued the stake at $425 million.

  3. October 2026: David Werner acquired the 49 percent stake in 605 Third Avenue.

Culture Shift

This acquisition aligns with the broader shift in office property valuations during the current high interest rate cycle. The move highlights how private investors are recalibrating asset holdings as traditional financing routes face increased scrutiny and market volatility.

The deal signals continued investor confidence in Midtown office properties despite current broader economic challenges. Tenants and local businesses in the area may see increased stability at the 605 Third Avenue site as new ownership plans to maintain the building as an office space.

The takeaway

This transaction underscores the ongoing recalibration of values within the Manhattan commercial office sector. Investors are continuing to navigate a difficult lending environment by leveraging private partnerships rather than public debt markets.

Further reading

For more on the local property market, see New York City Commercial.

Source note: This article includes information reported by Commercial Observer.

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