Security key
22160N109
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 37,937,694
- Total 13F value
- $31,162,910,100
- Share change
- +320,961
- Put/Call ratio
- 157%
- SEC-reported price per share
- $821.89
- Number of holders
- 577
- Value change
- +$177,339,216
- Number of buys
- 280
- Number of sells
- 283
- Shares outstanding
- 419,840,598
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
Q1 2021
Institutions
577
Top holders
10
CSGP full security history
Ownership snapshot
Full 13F holder table
COSTAR GROUP, INC. SEC filings
COSTAR GROUP, INC. company facts
Broader feeds
Ownership snapshot
Top reported holders of CSGP - COSTAR GROUP, INC. - Common Stock (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
15/15
Latest evidence
31 Dec 2020
13F
Lead comparable stake: 1.1%
Showing 1-6 of 15 holder rows.
Quick read
PRICE T ROWE ASSOCIATES INC /MD/ leads the comparable SEC ownership view at 1.1%.
15 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.
Comparable ownership
Top 5
PRICE T ROWE ASSOCIATES INC /MD/
1.1%
BlackRock Finance, Inc.
0.83%
VANGUARD GROUP INC
0.82%
BAMCO INC /NY/
0.46%
Janus Henderson Group Ltd.
0.31%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
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
|
1.1%
|
$4,121,039,000
4,458,648 shares
|
— | 31 Dec 2020 |
| BlackRock Finance, Inc. |
13F
Company
|
0.83%
|
$3,235,249,000
3,500,291 shares
|
— | 31 Dec 2020 |
| VANGUARD GROUP INC |
13F
Company
|
0.82%
|
$3,192,636,000
3,454,187 shares
|
— | 31 Dec 2020 |
| BAMCO INC /NY/ |
13F
Company
|
0.46%
|
$1,788,096,000
1,934,583 shares
|
— | 31 Dec 2020 |
| Janus Henderson Group Ltd. |
13F
Company
|
0.31%
|
$1,196,074,000
1,294,046 shares
|
— | 31 Dec 2020 |
| FRANKLIN RESOURCES INC |
13F
Company
|
0.23%
|
$905,299,000
979,462 shares
|
— | 31 Dec 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 Q1 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
577
Shares
37,937,694
Rows available
577
| 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 Q1 2021 vs Q1 2021 Across Filers
Q1 2021 holders
577
Q1 2021 holders
577
Holder diff
0
| Investor | Q1 2021 Shares | Q1 2021 Shares | Share Diff | Share Chg % | Q1 2021 value | Q1 2021 value | Value change | Value Chg % |
|---|