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CSGP logoCSGP

CoStar Group · Other

Tracked owners
1
Sum of conviction
7%
Sector
Other
HoldLens Signal
Full buy/sell dossier for CSGP
Verdict · Multi-quarter trend · Activity · News · Ownership
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Smart money activity

Every tracked buy, add, trim, and exit on CSGP by the best portfolio managers in the world. Ranked by manager quality inside each quarter.

Smart money activity
15 buys · 13 sells across tracked 13F filings
Net signal: Heavy accumulation
Q4 2025(5 moves)
Portfolio manager% portfolio
Gotham Asset Management
0.00%
Baillie Gifford (Long Term Global Growth)
0.70%
Viking Global Investors
0.30%
Tiger Global Management
0.50%
Polen Capital Management
1.40%
Q3 2025(3 moves)
Portfolio manager% portfolio
Viking Global Investors
0.40%
Gotham Asset Management
0.00%
Polen Capital Management
1.70%
Q2 2025(3 moves)
Portfolio manager% portfolio
Viking Global Investors
0.70%
Gotham Asset Management
0.00%
Maverick Capital
3.30%
Q1 2025(4 moves)
Portfolio manager% portfolio
Gotham Asset Management
0.00%
Maverick Capital
2.40%
Baillie Gifford (Long Term Global Growth)
0.60%
Viking Global Investors
0.00%
Q4 2024(5 moves)
Portfolio manager% portfolio
Tiger Global Management
0.90%
Gotham Asset Management
0.00%
Polen Capital Management
1.30%
Viking Global Investors
0.30%
Baillie Gifford (Long Term Global Growth)
0.40%
Q3 2024(2 moves)
Portfolio manager% portfolio
Viking Global Investors
0.30%
Gotham Asset Management
0.00%

Insider activity

SEC Form 4 filings — when CEOs, CFOs, and 10%+ owners buy or sell their own stock.

Latest news

Recent headlines for CSGP.

Hedge funds holding CSGP

1 superinvestor hold CoStar Group as a top position. Sorted by % of portfolio.

Manager% Portfolio
Chuck Akre fund logoChuck Akre
Real estate data moat.
6.8%
Dividend tax by country

What will you keep of every $100 in CSGP dividend?

Withholding rate
0%
Domestic (no cross-border)
Tax withheld
$0.00
You'd receive
$1000.00
Of $1000 gross
Source & treaty reference
Treaty: Domestic — no cross-border withholding
Citation: IRC §§ 1441–1446 (withholding applies to foreign persons; US residents not subject to WHT on US-source dividends)
U.S. residents receiving U.S.-source dividends: no cross-border withholding; taxed on return at qualified (0/15/20%) or ordinary rates.

Estimates for educational purposes only. Tax rules change; consult a qualified tax professional for your specific situation. Dividend-tax treatment depends on holding period, account type (taxable vs. retirement), investor type (individual vs. pension vs. mutual fund), limitation-on-benefits tests, and other factors not modeled here.

Get alerts when they buy or sell CSGP

One email per 13F filing — you'll know within hours if any tracked manager moves on CSGP.

Related smart-money signals

Derived from the same 13F filings

Frequently asked questions

Who owns CSGP?

1 tracked superinvestors hold CoStar Group (CSGP) as a top position based on the latest SEC 13F filings. Largest tracked holder: Chuck Akre at 6.8% of portfolio. Full ranking by % of portfolio shown in the table below.

How many hedge funds hold CSGP?

1 of HoldLens's tracked superinvestors hold CSGP according to the latest SEC 13F filings. The sum of conviction across those holders is 7% (sum of each manager's % of portfolio in CSGP).

Who is the biggest hedge-fund holder of CSGP?

Among HoldLens's tracked superinvestors, Chuck Akre holds the largest CSGP position at 6.8% of portfolio. Real estate data moat.

What sector is CSGP?

CoStar Group (CSGP) is classified as Other. Smart-money activity, insider trades (SEC Form 4), buybacks, short interest, congressional trades, and ETF ownership for CSGP are all aggregated on this page.

Data sourced from SEC 13F filings. CSGP ownership reflects publicly disclosed long positions only. Not investment advice.