CoStar Group, IncNasdaq: CSGP
Real Estate · Real Estate Services
$30.12
-1.13%
Vol: 8.4M
Research Digest
Friday, June 19, 2026
CoStar Group announces $800M acquisition of Zonda to expand into new home data and homebuilding marketplaces
On May 29, 2026, CoStar Group entered a definitive agreement to acquire Zonda — the leading new home data, analytics, and online marketplace platform — for $800 million in cash from private equity firm MidOcean Partners. Zonda serves over 3,000 customers across the homebuilding ecosystem and brings NewHomeSource.com into CoStar's portfolio; the deal is expected to be accretive to adjusted EPS in the first full year of ownership and close in H2 2026 pending regulatory approval. CoStar posted Q1 2026 revenue of $897 million (+23% YoY) and EPS of $0.23, beating the $0.1877 consensus, and reaffirmed full-year 2026 guidance. Despite operational strength, the stock faces valuation headwinds with a 1-year return of -54%, and JPMorgan cut its price target to $70 from $82 while Needham cut to $50 from $60. The Zonda acquisition deepens CoStar's bet on residential real estate data, but integration risk and stretched valuation remain investor concerns.
Previous Market Intelligence
13 daysJun 18No significant overnight updatesNeutral▶
No material news in the last 48 hours.
Jun 17No significant overnight updatesNeutral▶
No material news in the last 48 hours.
Jun 16CoStar shares fell roughly 4% after Google rolled out home-listing search results nationwide across all 50 states, intensifying competitive fears in residential real estate.Negative▶
On June 16, 2026, CoStar Group (CSGP) shares dropped about 4% after Google announced the nationwide expansion of home-listing search results to all 50 states, powered by a partnership with housing-data platform HouseCanary, letting homebuyers view listings, pricing and photos and contact listing agents directly within Google. The move escalates the so-called "portal wars" and raises competitive concerns for CoStar's Homes.com residential push, where the company has invested heavily. CoStar is also separately seeking a court order to block Zillow's attempt to access critical home listings, escalating litigation over control of the US residential market. Zillow pushed back, citing pilot-market data showing no meaningful traffic decline yet, but investors reacted negatively to the structural threat from Google's reach. The bear case is that Google's scale could undercut paid real estate portals and pressure Homes.com monetization just as CoStar burns capital to build the business. The stock trades near 52-week lows around $32, down sharply from a $97 high.
Jun 15No significant overnight updatesNeutral▶
No material news in the last 48 hours.
Jun 14No significant overnight updatesNeutral▶
No material news in the last 48 hours.
May 21CoStar Group was removed from the Nasdaq-100 index effective May 18, 2026, and Bank of America cut its price target to $37 from $42 the same day, citing concerns over Homes.com strategy and capital allocation.Negative▶
CoStar Group (CSGP) exited the Nasdaq-100 on May 18, 2026, replaced by Lumentum Holdings (LITE) following a ~57% market value decline over the past year. The index removal could trigger forced selling by passive funds tracking the Nasdaq-100. Bank of America lowered its price target to $37 from $42 on the same day, and BTIG flagged on May 15 that Google's for-sale home listings could challenge the Homes.com competitive model. The downgrades come despite CoStar's recent Q1 beat, raised FY2026 adjusted EBITDA guidance ($780M-$820M), and a new $1.5 billion buyback authorization. The Board's Capital Allocation Committee also recommended cutting Homes.com investment by $300 million in 2026. Investor sentiment remains pressured by ongoing concerns about capital discipline.
May 20CoStar Group exits Nasdaq-100 on May 18, replaced by Lumentum amid Homes.com strategy concerns.Negative▶
CoStar Group was removed from the Nasdaq-100 index effective May 18, 2026, replaced by Lumentum Holdings, following a 57% market value decline over the past year tied to Homes.com spending and capital allocation concerns. The company's Capital Allocation Committee recommended cutting Homes.com investment by $300 million in 2026 and over $100 million annually thereafter. CoStar also authorized a new $1.5 billion share buyback after completing a prior $500 million program. Q1 2026 revenue was $897 million (+23% YoY), and the company raised FY2026 adjusted EBITDA guidance to $780-$820 million while reaffirming revenue guidance of $3.78-$3.82 billion. BofA cut its price target to $37 from $42, and BTIG flagged competitive risk from Google's for-sale home listings.
May 19CoStar Group removed from Nasdaq-100 on May 18, replaced by Lumentum after 57% market value declineNegative▶
CoStar Group was officially removed from the Nasdaq-100 index on May 18, 2026, replaced by Lumentum (LITE), following a 57% decline in market value over the past year and ongoing investor concerns about Homes.com spending and capital allocation. The company kept its 2026 revenue guidance at $3.78B-$3.82B and raised full-year adjusted EBITDA guidance to $780M-$820M; Q1 2026 revenue was $897M with a return to a small $3M profit. The Board's Capital Allocation Committee recommended moderating Homes.com investment by $300M in 2026 and over $100M annually thereafter, and authorized a new $1.5B share buyback. Multiple analysts slashed PTs: Deutsche Bank to $44 from $55, JPMorgan to $70 from $82, Needham to $50 from $60, and Stephens to $42 from $50. Shares closed at $33.05 on May 12, down 56.34% over 52 weeks.
May 18CoStar Group set for removal from Nasdaq-100 on May 18, 2026 (replaced by Lumentum) after 57% market-cap decline tied to Homes.com losses, despite Q1 beat and new $1.5B buyback authorizationMixed▶
CoStar Group is being removed from the Nasdaq-100 index effective May 18, 2026, replaced by Lumentum (LITE), following a ~57% market value decline over the past year. The exit reflects continued investor concern about CoStar Homes.com strategy and capital allocation. Recent positive offsets include a Q1 2026 beat with $0.23 EPS and 23% revenue growth, a reaffirmed FY26 outlook ($3.78B-$3.82B revenue), a new $1.5B share buyback authorization, and the Board Capital Allocation Committee recommendation to reduce Homes.com investment by $300M in 2026 and >$100M annually thereafter. CoStar CEO also made a notable insider purchase in early May. Analyst PT cuts followed: Stephens to $42 (from $50), JPMorgan to $70 (from $82), Needham to $50 (from $60), and Deutsche Bank to $44 (from $55).
May 15CoStar to exit Nasdaq-100 on May 18 (replaced by Lumentum); stock at $31.76 on May 15 after 56% 52-week decline despite strong Q1 beatNegative▶
CoStar Group is being removed from the Nasdaq-100 on May 18, 2026, replaced by Lumentum (LITE) following a 56.34% decline over the past 52 weeks. On May 15, shares traded between $31.36-$32.58 (current $31.76). Despite the index exit, Q1 2026 results were strong: revenue of $897M vs $732M prior-year, EPS of $0.23 beat expectations, and FY26 adjusted EBITDA guidance was raised. The board authorized a new $1.5B buyback and the Capital Allocation Committee recommended moderating Homes.com investment by $300M in 2026 and $100M+ annually thereafter. Stephens lowered PT to $42 from $50, Deutsche Bank to $44 from $55, JPMorgan to $70 from $82. Risk: investor concern over Homes.com strategy and ongoing profitability remains a near-term overhang.
May 14CoStar Group to be removed from Nasdaq-100 on May 18 amid 57% market value decline, insider buying continuesNegative▶
CoStar Group is being removed from the Nasdaq-100 index on May 18, 2026, replaced by Lumentum, following a 57% decline in CSGP market value over the past year. The stock traded at $32.05 on May 14 with a 52-week low of $31.78, far below the $97.43 high. President Andrew Florance recently purchased $2.5M worth of CSGP shares signaling insider confidence. Q1 2026 revenue grew 23% YoY to $897M with $67M annualized net new bookings up 20%, and net income improved to $3M from a $15M loss. Investor concerns continue around the Homes.com strategy, heavy capital allocation, and AI disruption. The company also released revised forecasts showing U.S. apartment construction starts down 73% from the 2022 peak.
May 13CoStar Group to be removed from Nasdaq-100 on May 18, replaced by Lumentum after 57% market value decline; Stephens cuts PT to $42Negative▶
CoStar Group is being removed from the Nasdaq-100 index on May 18, 2026, replaced by Lumentum Holdings (LITE), following a 57% decline in market value over the past year amid investor concerns about Homes.com strategy and capital allocation. Despite the index removal, Q1 2026 results were strong: revenue of $897M (+23% YoY) vs $732M prior year, net income of $3M vs a $15M loss, EPS of $0.23 beating expectations, and adjusted EBITDA doubling. Management reaffirmed full-year revenue guidance of $3.78B-$3.82B and net income of $213M-$241M, and authorized a new $1.5B share buyback after completing the prior $500M repurchase. U.S. Q1 apartment construction starts data showed a 73% decline from 2022 peak to ~55,000 units, the lowest quarterly level since 2011. Stephens lowered the price target to $42 from $50.
May 12CoStar Group set to be removed from Nasdaq-100 on May 18, replaced by Lumentum, after roughly 54-57% share decline over the past year.Negative▶
CoStar Group will exit the Nasdaq-100 Index on May 18, 2026, replaced by Lumentum Holdings (LITE), following a 53.9% one-year share drop. Brokerage coverage now skews to a Moderate Buy consensus across 19 firms as of May 10. Despite the decline, management reaffirmed 2026 revenue guidance of $3.78-3.82B and net income of $213-241M. Bear case: forced index-fund selling around the May 18 reconstitution could pressure shares further, and recent analyst price-target cuts (Needham to $50 from $60, JPMorgan to $70 from $82) signal eroding conviction even among bulls.
Sector Peers
| Company | Price | Day | 1M | Fwd P/E | Beta | Mkt Cap |
|---|---|---|---|---|---|---|
| CBRECBRE | $131.17 | +0.29% | — | 16.0x | 1.21 | $41.5B |
| CSGPCOSTAR | $30.12 | -1.13% | — | 16.7x | 0.73 | $12.3B |
| WELLWELLTOWER | $206.76 | +0.10% | — | 70.3x | 0.76 | $166.6B |
| PLDPROLOGIS | $140.80 | -0.10% | — | 41.1x | 1.34 | $133.0B |
| EQIXEQUINIX | $1,092.30 | +0.35% | — | 52.1x | 0.97 | $98.8B |
| SPGSIMON | $211.57 | +0.81% | — | 33.5x | 1.33 | $85.9B |
Key Fundamentals
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Price below 200d MA — bearish structure.