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125 West End Avenue

SOLDLife Sciences

Bill Ackman And Neri Oxman Acquire Life Sciences Asset At 125 West End Avenue For $188M

125 West End Avenue

$188,000,000

$470/SF

Building Size

400,000 SF

Asset Type

Life Sciences

Closing

Jul 28, 2026

AI

125 West End Avenue, located in the Upper West Side, is a life sciences asset that has recently been sold for $188,000,000. The property spans 400,000 square feet, resulting in a price per square foot of $470.

Summary of transaction details:

  • Property Type: Life Sciences
  • Transaction Amount: $188,000,000
  • Buyer: Bill Ackman & Neri Oxman - Pershing Square Foundation
  • Seller: Charles R. Bendit - Taconic Partners
  • Market: Upper West Side
  • Square Footage: 400,000
  • Price per Square Foot: $470

Bill Ackman’s Pershing Square Foundation intends to develop a $260 million brain research institute in collaboration with Mount Sinai, with future plans that may lead to expansion up to 700,000 square feet through an additional property acquisition in the vicinity.

Players

Bill Ackman

Broker

$16.1M

vol

3 deals

Broker
Bill Ackman

Bill Ackman

Pershing Square Foundation

Buyer

$16.1M

vol

3 deals

Buyer
PF
Pershing Square FoundationBuyer
Charles R. Bendit

Charles R. Bendit

Taconic Partners

Seller

$192.2M

vol

4 deals

Seller

New York Life Sciences Market Snapshot

Boundary boundary · Life Sciences · Sale transactions

Loading comparables…

Purchase Price

Annual NOI

Loan Amount

Interest Rate (%)

Loan Term (yrs)

Down Payment (%)

Cap Rate

0.08%

Cash-on-Cash

-0.02%

Monthly Payment

$14,164

Annual Debt Svc

$169,964

Annual Cash Flow

$-11,334

DSCR

0.93