About This Deal

CoStar Group acquired LoopNet, Inc. for $16.50 in cash plus 0.03702 shares of CoStar common stock per LoopNet share, a transaction completed in April 2012, structured as combination of cash and stock (merger).

LoopNet, Inc. operates in Commercial real estate marketplaces. LoopNet operated the leading online commercial real estate marketplace, with 5.8 million registered members and approximately 3.6 million unique monthly visitors at the time of closing. CoStar acquired LoopNet through a merger of Lonestar Acquisition Sub into LoopNet, and planned to continue operating LoopNet as a separate brand.

Combine CoStar's commercial real estate information and analytics with LoopNet's leading online marketplace to create the premier information, marketing and analytics company in commercial real estate.

Deal Terms

Acquirer
CoStar Group
Target
LoopNet, Inc.
Value
$16.50 in cash plus 0.03702 shares of CoStar common stock per LoopNet share
Date
April 2012
Type
Full acquisition
Status
Ready

Transaction Details

Segment
Commercial real estate marketplaces
Structure
Combination of cash and stock (merger)
Announced
April 27, 2011
Closed
April 30, 2012

In Their Words

We believe our products and services, diversified client base, comprehensive geographic footprint and economies of scale will drive significant synergies, which we believe can lead to increased stockholder value and a stronger, integrated platform for our customers.Andrew C. Florance, Founder and Chief Executive Officer, CoStar Group

Advisors

Advisory firms were not disclosed for this transaction.

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Sources: SEC filing ↗ · Last updated July 7, 2026

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