Latest Period
Q1 2026
Security Snapshot
COMSCORE, INC. - Common Stock, par value $0.001 per per share (SCOR) Institutional Ownership
CUSIP: 20564W204
13F Institutional Holders and Ownership History from Q4 2023 to Q1 2026
Institutions Reporting
25
Shares (Excl. Options)
5,066,897
Price
$6.94
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- Security type / class
- Equity / Common Stock, par value $0.001 per per share
- Symbol
- SCOR on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 5,066,897
- Total 13F value
- $35,162,821
- Portfolio coverage rank
- 0%
- Share change
- +448,392
- Value change
- +$3,124,113
- Number of holders
- 25
- Shares outstanding
- 14,745,235
- SEC-reported price per share
- $6.76
- Insider filing price
- $6.76
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- SCOR - COMSCORE, INC. - Common Stock, par value $0.001 per per share is tracked under CUSIP 20564W204.
- 25 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 24 to 25 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $29,789,508 to $35,162,821.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 25 institutions filings for Q1 2026.
Security key
20564W204
Latest holder period
Q1 2026
13F holders
25
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
SCOR full holder history
COMSCORE, INC. SEC filings
COMSCORE, INC. company facts
COMSCORE, INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 20564W204:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
SCOR
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Pine Investor, LLC | 40% | +47% | $52,410,907 | +$39,834,829 | 7,628,953 | +317% | Pine Investor, LLC | 29 Dec 2025 |
| Irrevocable Larson Family Investment Trust | 5.8% | -1.7% | $1,952,083 | -$41,220 | 284,146 | -2.1% | Irrevocable Larson Family Investment Trust | 23 Jan 2025 |
| Mount Logan Capital Inc. | 1.7% | -79% | $1,722,096 | -$1,029,002 | 250,669 | -37% | Mount Logan Capital Inc. | 31 Dec 2025 |
As of 31 Mar 2026, 25 institutional investors reported holding 5,066,897 shares of COMSCORE, INC. - Common Stock, par value $0.001 per per share (SCOR). This represents 34% of the company’s total 14,745,235 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
34%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Cerberus Capital Management, L.P. | 23% | 3,396,479 | 0% | 0.9% | $23,571,564 |
| WESTERLY CAPITAL MANAGEMENT, LLC | 6.1% | 897,000 | +91% | 1.9% | $6,225,180 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.3% | 187,259 | 0% | 0% | $1,299,577 |
| Factor Wealth Management LTD | 0.86% | 126,656 | 0% | 0.17% | $878,993 |
| Beartown Capital Management, LLC | 0.86% | 126,207 | 0% | 0.69% | $875,877 |
| ACADIAN ASSET MANAGEMENT LLC | 0.57% | 84,079 | 0% | 0% | $582,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.43% | 63,723 | +20% | 0% | $442,310 |
| RENAISSANCE TECHNOLOGIES LLC | 0.28% | 40,921 | -1.9% | 0% | $283,992 |
| BlackRock, Inc. | 0.26% | 38,972 | 0% | 0% | $270,466 |
| MILLENNIUM MANAGEMENT LLC | 0.25% | 36,928 | 0% | $256,280 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.14% | 20,702 | +6.4% | 0% | $143,672 |
| VANGUARD FIDUCIARY TRUST CO | 0.13% | 19,077 | 0% | 0% | $132,394 |
| STATE STREET CORP | 0.09% | 13,304 | 0% | 0% | $92,330 |
| Covestor Ltd | 0.07% | 10,376 | 0% | 0.05% | $72,000 |
| Vanguard Global Advisers, LLC | 0.01% | 1,581 | 0% | 0% | $10,972 |
| Tower Research Capital LLC (TRC) | 0.01% | 1,518 | +892% | 0% | $10,535 |
| UBS Group AG | 0.01% | 1,159 | +166% | 0% | $8,044 |
| PNC FINANCIAL SERVICES GROUP, INC. | 0% | 638 | -61% | 0% | $4,428 |
| MORGAN STANLEY | 0% | 106 | 0% | 0% | $736 |
| Activest Wealth Management | 0% | 100 | 0% | 0% | $694 |
| RHUMBLINE ADVISERS | 0% | 65 | 0% | 0% | $451 |
| BNP PARIBAS FINANCIAL MARKETS | 0% | 35 | 0% | 0% | $243 |
| WELLS FARGO & COMPANY/MN | 0% | 10 | 0% | 0% | $69 |
| SBI Securities Co., Ltd. | 0% | 1 | 0% | 0% | $7 |
| OSAIC HOLDINGS, INC. | 0% | 1 | 0% | 0% | $7 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
10
Latest
Q1 2026
Rows shown
1-10 of 10
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 5,066,897 | $35,162,821 | +$3,124,113 | $6.94 | 25 |
| 2025 Q4 | 4,583,292 | $29,789,508 | +$21,281,102 | $6.50 | 24 |
| 2025 Q3 | 1,170,624 | $10,218,629 | +$199,616 | $8.73 | 29 |
| 2025 Q2 | 1,147,863 | $5,531,145 | -$99,635 | $4.82 | 26 |
| 2025 Q1 | 1,168,397 | $8,025,064 | +$483,232 | $6.87 | 28 |
| 2024 Q4 | 1,100,548 | $6,425,117 | +$243,171 | $5.84 | 26 |
| 2024 Q3 | 928,605 | $6,303,958 | -$1,862,978 | $6.79 | 25 |
| 2024 Q2 | 1,115,424 | $15,826,726 | -$825,892 | $14.19 | 28 |
| 2024 Q1 | 1,171,826 | $18,044,153 | -$5,300,221 | $15.40 | 30 |
| 2023 Q4 | 1,477,349 | $24,669,004 | +$24,668,169 | $16.70 | 31 |