Security key
22160N109
COSTAR GROUP, INC. - Common Stock ($0.01 par value) (CSGP)
CUSIP: 22160N109
Q4 2020 13F Holders as of 31 Dec 2020
- Security type / class
- Equity / Common Stock ($0.01 par value)
- Total 13F shares
- 37,666,252
- Total 13F value
- $34,793,341,330
- Share change
- -198,224
- Put/Call ratio
- 107%
- SEC-reported price per share
- $924.28
- Number of holders
- 609
- Value change
- -$174,310,813
- Number of buys
- 312
- Number of sells
- 224
- Shares outstanding
- 408,052,132
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2020
Institutions
609
Top holders
10
CSGP full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2026
COSTAR GROUP, INC. SEC filings
COSTAR GROUP, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 22160N109
Recent filing periods:
Ownership snapshot
Top reported holders of CSGP - COSTAR GROUP, INC. - Common Stock ($0.01 par value) (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
PRICE T ROWE ASSOCIATES I...
Disclosed value leader
PRICE T ROWE ASSOCIATES I...
Comparable rows
0/15
Latest evidence
30 Sep 2020
13F
Highest disclosed value: $3,841,062,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
PRICE T ROWE ASSOCIATES INC /MD/ has the largest disclosed position value at $3.84B.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens PRICE T ROWE ASSOCIATES INC /MD/'s linked filing trail.
Disclosed position value
Top 5
PRICE T ROWE ASSOCIATES INC /MD/
$3.84B
VANGUARD GROUP INC
$2.92B
BlackRock Finance, Inc.
$2.84B
BAMCO INC /NY/
$1.7B
Janus Henderson Group Ltd.
$1.14B
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
—
denominator unverified
|
$3,841,062,000
4,526,832 shares
|
— | 30 Sep 2020 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$2,924,215,000
3,446,294 shares
|
— | 30 Sep 2020 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$2,839,282,000
3,346,198 shares
|
— | 30 Sep 2020 |
| BAMCO INC /NY/ |
13F
Company
|
—
denominator unverified
|
$1,699,541,000
2,002,971 shares
|
— | 30 Sep 2020 |
| Janus Henderson Group Ltd. |
13F
Company
|
—
denominator unverified
|
$1,136,488,000
1,339,425 shares
|
— | 30 Sep 2020 |
| AKRE CAPITAL MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$813,545,000
958,793 shares
|
— | 30 Sep 2020 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2020
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
609
Shares
37,666,252
Rows available
609
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2020 vs Q3 2020 Across Filers
Q3 2020 holders
569
Q4 2020 holders
609
Holder diff
40
| Investor | Q3 2020 Shares | Q4 2020 Shares | Share Diff | Share Chg % | Q3 2020 value | Q4 2020 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend