Security key
20564W204
COMSCORE, INC. - Common Stock, par value $0.001 per per share (SCOR)
CUSIP: 20564W204
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / Common Stock, par value $0.001 per per share
- Total 13F shares
- 1,170,624
- Total 13F value
- $10,218,629
- Share change
- +22,761
- SEC-reported price per share
- $8.73
- Number of holders
- 29
- Value change
- +$199,616
- Number of buys
- 9
- Number of sells
- 7
- Shares outstanding
- 14,745,235
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2025
Institutions
29
Top holders
10
SCOR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Previous quarter: Q2 2025
COMSCORE, INC. SEC filings
COMSCORE, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 20564W204
Recent filing periods:
Ownership snapshot
Top reported holders of SCOR - COMSCORE, INC. - Common Stock, par value $0.001 per 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
Irrevocable Larson Family...
Disclosed value leader
Irrevocable Larson Family...
Comparable rows
15/15
Latest evidence
30 Jun 2025
13D/G
13F
Lead comparable stake: 5.8%
13D/G row: Irrevocable Larson Family Investment Trust
Showing 1-6 of 15 holder rows.
Quick read
Irrevocable Larson Family Investment Trust leads the comparable SEC ownership view at 5.8%.
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 Irrevocable Larson Family Investment Trust's linked filing trail.
Comparable ownership
Top 5
Irrevocable Larson Family Investm...
5.8%
WESTERLY CAPITAL MANAGEMENT, LLC
2.7%
VANGUARD GROUP INC
1.2%
Factor Wealth Management LTD
0.86%
Cerberus Capital Management, L.P.
0.74%
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 |
|---|---|---|---|---|---|
| Irrevocable Larson Family Investment Trust |
13D/G
|
5.8%
|
$1,952,083
284,146 shares
|
-$41,220 | 23 Jan 2025 |
| WESTERLY CAPITAL MANAGEMENT, LLC |
13F
Company
|
2.7%
|
$1,928,000
400,000 shares
|
— | 30 Jun 2025 |
| VANGUARD GROUP INC |
13F
Company
|
1.2%
|
$832,553
172,729 shares
|
— | 30 Jun 2025 |
| Factor Wealth Management LTD |
13F
Company
|
0.86%
|
$610,482
126,656 shares
|
— | 30 Jun 2025 |
| Cerberus Capital Management, L.P. |
13F
Company
|
0.74%
|
$528,532
109,654 shares
|
— | 30 Jun 2025 |
| ACADIAN ASSET MANAGEMENT LLC |
13F
Company
|
0.6%
|
$427,000
88,823 shares
|
— | 30 Jun 2025 |
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 Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
29
Shares
1,170,624
Rows available
29
| 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 Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
26
Q3 2025 holders
29
Holder diff
3
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend