Security key
20564W105
COMSCORE, INC. - Common Stock, par value $0.001 per share (SCOR)
CUSIP: 20564W105
Q1 2023 13F Holders as of 31 Mar 2023
- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Total 13F shares
- 43,345,236
- Total 13F value
- $53,067,279
- Share change
- -3,035,248
- Put/Call ratio
- 2.6%
- SEC-reported price per share
- $1.23
- Number of holders
- 81
- Value change
- -$3,329,210
- Number of buys
- 36
- Number of sells
- 25
- Shares outstanding
- 14,893,895
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 2023
Institutions
81
Top holders
10
SCOR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
COMSCORE, INC. SEC filings
COMSCORE, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 20564W105
Recent filing periods:
Ownership snapshot
Top reported holders of SCOR - COMSCORE, INC. - Common Stock, par value $0.001 per share (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
Weiss Multi-Strategy Advi...
Disclosed value leader
Weiss Multi-Strategy Advi...
Comparable rows
15/15
Latest evidence
31 Dec 2022
13F
Lead comparable stake: 61%
Showing 1-6 of 15 holder rows.
Quick read
Weiss Multi-Strategy Advisers LLC leads the comparable SEC ownership view at 61%.
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 Weiss Multi-Strategy Advisers LLC's linked filing trail.
Comparable ownership
Top 5
Weiss Multi-Strategy Advisers LLC
61%
WESTERLY CAPITAL MANAGEMENT, LLC
29%
VANGUARD GROUP INC
24%
PRIMECAP MANAGEMENT CO/CA/
19%
Cowen Prime Advisors LLC
15%
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 |
|---|---|---|---|---|---|
| Weiss Multi-Strategy Advisers LLC |
13F
Company
|
61%
|
$10,466,000
9,022,812 shares
|
— | 31 Dec 2022 |
| WESTERLY CAPITAL MANAGEMENT, LLC |
13F
Company
|
29%
|
$5,080,800
4,380,000 shares
|
— | 31 Dec 2022 |
| VANGUARD GROUP INC |
13F
Company
|
24%
|
$4,079,614
3,516,909 shares
|
— | 31 Dec 2022 |
| PRIMECAP MANAGEMENT CO/CA/ |
13F
Company
|
19%
|
$3,344,785
2,883,435 shares
|
— | 31 Dec 2022 |
| Cowen Prime Advisors LLC |
13F
Company
|
15%
|
$2,642,000
2,277,600 shares
|
— | 31 Dec 2022 |
| ROYCE & ASSOCIATES LP |
13F
Company
|
15%
|
$2,558,513
2,205,615 shares
|
— | 31 Dec 2022 |
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 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
81
Shares
43,345,236
Rows available
81
| 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 2023 vs Q1 2026 Across Filers
Q1 2026 holders
1
Q1 2023 holders
81
Holder diff
80
| Investor | Q1 2026 Shares | Q1 2023 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend