Overview
Smart money at a glance
Filings to Sep 27, 2026Net buying: insiders sold $253K and bought $2.5M on the open market in 90 days (SEC Form 4). Congress: net buying of $1K to $15K in 180 days.
- Company insidersSEC Form 4, last 90 days
- +$2.2M netNet buying
- CongressSTOCK Act, last 180 days
- +$1K to +$15K netNet buying
- Big fundsSEC 13F, quarter ended Jun 30, 2026
- 7 added, 5 cutMore adding
- Federal contractsUSAspending.gov, last 12 months
- No awardsNone on record
Key stats
Fundamentals Sep 26- Open
- $27.73
- 52-wk high
- $85.24
- High
- $28.63
- 52-wk low
- $25.89
- Low
- $27.60
- Prev close
- $27.86
- Mkt cap
- $11.38B
- P/E
- 156.1x
- Volume
- 6.35M
- Fwd P/E
- 18.3x
- Beta
- 0.75
- P/S
- 3.2x
- P/B
- 1.5x
- Profit margin
- +2.1%
- Op margin
- +8.2%
- ROE
- +0.9%
What do analysts expect?
Analyst target and ratings are on paid plans
See the 12-month consensus target and the buy/hold/sell rating split.
Unlock the full resultsQuestions about CSGP filings
Are insiders buying or selling CoStar Group Inc (CSGP) stock?
Net buying: insiders sold $253K and bought $2.5M of CSGP stock on the open market in the 90 days to Sep 27, 2026, according to SEC Form 4 filings. The largest was Florance, Andrew C (Founder and CEO), who bought $2.5M. The latest filing was on Aug 10, 2026.
Which members of Congress have traded CSGP recently?
Rep. Gilbert Cisneros (D) bought $1K to $15K on Aug 19, 2026, disclosed 22 days later. In total, 1 member disclosed 1 CSGP trade with trade dates in the last 180 days, filed a median 22 days after trading.
How current is this CSGP smart-money data?
This summary uses filings available on Sep 27, 2026. Insiders must report trades to the SEC within 2 business days, members of Congress have up to 45 days to disclose a trade, and funds file 13F holdings up to 45 days after each quarter ends, so the latest moves may not be public yet.
Smart money
8 funds hold a position and insiders are trading both ways.
What funds are doing
Buys/Adds (1)
- AQ

AQR
$188.2M
added
Sells/Trims (2)
- DS

D.E. Shaw
$208.8M
trimmed
- VG

Viking Global
$97.0M
sold
What insiders are doing
What Congress is doing
How top traders are positioned
No tracked top-trader positions in CSGP right now.
Live Hyperliquid positioning - not every stock is covered
Activist stakes, short interest & more
Earnings
Earnings came in 19.0% above what analysts expected.
Earnings per share
$0.21 expected
Reports Oct 27, 2026, in 30 days
Estimates as of Sep 27, 2026
EPS expected
$0.33 to $0.36
Revenue expected
5 analysts
Last 30 days
Analysts cutting estimates
Financials
What it sold, what it cost, what was left.
| USD | Sep 2025 | Dec 2025 | Mar 2026 | Jun 2026 |
|---|---|---|---|---|
| What came in | ||||
| Revenue | $833.6M | $900.0M | $897.0M | $925.0M |
| Cost of what it sold | $172.2M | $235.0M | $196.0M | $233.0M |
| Gross profit | $661.4M | $665.0M | $701.0M | $692.0M |
| What it spent | ||||
| Research and development | $105.4M | $109.0M | $114.0M | $107.0M |
| Sales and admin | $157.0M | $129.1M | $126.0M | $114.0M |
| Other operating costs | $450.1M | $377.9M | $458.0M | $395.0M |
| Total operating expenses | $712.5M | $616.0M | $698.0M | $616.0M |
| What was left | ||||
| Operating profit | -$51.1M | $49.5M | $3.0M | $76.0M |
| Interest on debt | $4.4M | $3.9M | $4.0M | $2.0M |
| Profit before tax | -$45.8M | $61.0M | $12.0M | $74.0M |
| Tax | -$14.9M | $14.0M | $9.0M | $19.0M |
| Net profit | -$30.9M | $47.0M | $3.0M | $55.0M |
| EBITDA | $29.4M | $145.9M | $86.0M | $157.0M |
Technicals
Price structure
This stock is under pressure.
Trend
Under pressure
0 / 100
RSI 14
20D volatility
52-week range
20D support
20D resistance
Returns
Price vs moving averages
Volume pace
News
What the news says
Coverage is bullish
Tone of tracked coverage
How Index Removal Will Impact CoStar Stock Investors
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NeutralSep 25Why CoStar Group (CSGP) Is Back In Focus
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NeutralSep 24Tampa, Columbus Lead CoStar's Small-Bay Industrial Performance Ranking – Company Announcement
BullishSep 24Tampa led rent growth for small industrial spaces among the 54 largest U.S. markets.
BullishSep 24
Macro
33 macro signals shaping CSGP right now
Unlock sector rotation, regime shifts, and macro event windows tied to this stock.
Unlock the full results