Ken Griffin Sells Park Tower Penthouse In Chicago For $12.5 Million Through Susan Miner
800 North Michigan Avenue
$12,500,000
$1,351/SF
Building Size
9,250 SF
Asset Type
Condo
Closing
Dec 3, 2025
About this deal
AI
The asset involved in the transaction is a condo located at 800 North Michigan Avenue in Chicago. It has a total square footage of 9,250 and is priced at $12,500,000, resulting in a price per square foot of approximately $1,351.
Summary of transaction details:
- Property Type: Condo
- Transaction Amount: $12,500,000
- Address: 800 North Michigan Avenue
- Market: Chicago
- Seller: Ken Griffin - Citadel
- Broker: Susan Miner - Premier Relocation and Real Estate Services
- Square Footage: 9,250
- Price per Square Foot: $1,351
Ken Griffin is in the process of selling his 67th-floor Park Tower penthouse, which accounts for his final major property selloff in Chicago following his relocation to Miami. This transaction could potentially mark downtown Chicago's priciest condo sale in three years, offering an ~80% return on the investment he made in 2000 when he purchased the unit for $6.9 million.
On the Map
$12,500,000
$1,351/SF
Condo
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Players
Chicago Condo Market Snapshot
Boundary boundary · Condo · Sale transactions
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Deal FAQ
About $1.4K per square foot on a published $12.5M for 9,250 square feet (2025).
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Purchase Price
Annual NOI
Loan Amount
Interest Rate (%)
Loan Term (yrs)
Down Payment (%)
Cap Rate
1.27%
Cash-on-Cash
-0.36%
Monthly Payment
$14,164
Annual Debt Svc
$169,964
Annual Cash Flow
$-11,334
DSCR
0.93