CoStar Group Inc.
CSGP | NASDAQ
$31.86
+$1.69 (+5.60%)
Nov 2, 2026, 12:00 PM ET · Market open
Institutional Ownership
Net InflowTotal Institutions
796
Total Ownership
103.18%
Capital Flow
+$4.68B
Shares Change
+8.18M
Ownership Distribution
Institutions (99.99%)
Others (0.01%)
Institutional Sentiment
Overall: bullishEquity Sentiment & Activity
bullishNew Positions
118
Increased Positions
420
Reduced Positions
270
Closed Positions
154
New (118)
Increased (420)
Reduced (270)
Closed (154)
Options Sentiment & Activity
bullishPut/Call Ratio
0.567
Call Flow
1,838,454
Put Flow
1,042,900
Calls (64%)
Puts (36%)
Super Investors
| Super Investor / Fund | Ownership | Portfolio Weight | Shares | Market Value | |
|---|---|---|---|---|---|
| Akre Capital Management LLC | 2.90% +13.06% | 7.19% | 11.7M | 384.91M | |
| Polen Capital Management LLC | 2.17% -30.32% | 2.03% | 8.76M | 246.49M | |
| Hillman Capital Management Inc. | < 0.01% +25.57% | 0.23% | 10.75K | 343.84K |
Top Shareholders
| Institution | Ownership | Portfolio Weight | Shares | Market Value | |
|---|---|---|---|---|---|
| Vanguard Portfolio Management LLC | 9.38% +1.35% | 0.05% -39.95% | 37.91M -0.84% | 1.07B -30.38% | |
| Blackrock, Inc. | 8.37% +2.22% | 0.01% -40.28% | 33.81M +0.02% | 957.61M -29.78% | |
| Vanguard Capital Management LLC | 6.60% -0.56% | 0.02% -40.99% | 26.68M -2.70% | 755.68M -31.69% |
Pro Membership
Stop Guessing, Start Knowing.
Cut through market noise with actionable insights that actually help you make confident investment decisions. No more endless research or gut-based guessing.
Unlimited access
Unlimited access to all data and tools, giving you the edge over everyone else in the market.
Proprietary Stock Rating Score
Evaluate stocks with our proprietary rating score based on fundamentals, economic moat, and sentiment.
Top Wall Street Analyst Ratings
Follow ratings from the best analysts on Wall Street to stay ahead of market moves.
Up to 30 years financial history
We deliver premium Wall Street data with top-tier accuracy and up to 30 years of history.
Add to Watchlist
Select watchlists to add or remove CSGP