COMSCORE, INC. - SCOR

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Cerberus Capital Management, L.P. History No change 3,396,479 23,571 0.89% 0.84% 1 0 0.0% Q1 2026 May 15, 2026
WESTERLY CAPITAL MANAGEMENT, LLC History Added to 897,000 6,225 1.69% 0.67% 2 +427,000 90.85% Q1 2026 May 15, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 187,259 1,299 0.0% 3 +187,259 New Q1 2026 May 15, 2026
VANGUARD GROUP INC History No change 172,729 1,122 0.0% 0.0% 4 0 0.0% Q4 2025 Jan 29, 2026
Factor Wealth Management LTD History No change 126,656 878 0.17% 0.18% 5 0 0.0% Q1 2026 Apr 20, 2026
Beartown Capital Management, LLC History No change 126,207 875 0.42% 0.59% 6 0 0.0% Q1 2026 May 14, 2026
ACADIAN ASSET MANAGEMENT LLC History No change 84,079 582 0.0% 0.0% 7 0 0.0% Q1 2026 May 13, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 63,723 442 0.0% 0.0% 8 +10,794 20.39% Q1 2026 May 15, 2026
RENAISSANCE TECHNOLOGIES LLC History Reduced 40,921 283 0.0% 0.0% 9 -800 -1.92% Q1 2026 May 14, 2026
BlackRock, Inc. History No change 38,972 270 0.0% 0.0% 10 0 0.0% Q1 2026 May 13, 2026
MILLENNIUM MANAGEMENT LLC History New 36,928 256 0.0% 11 +36,928 New Q1 2026 May 15, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 20,702 143 0.0% 0.0% 12 +1,244 6.39% Q1 2026 May 15, 2026
VANGUARD FIDUCIARY TRUST CO History New 19,077 132 0.0% 13 +19,077 New Q1 2026 May 08, 2026
Byrne Asset Management LLC History Reduced 18,680 129 0.08% 0.07% 14 -1,420 -7.06% Q1 2026 Apr 02, 2026
STATE STREET CORP History No change 13,304 92 0.0% 0.0% 15 0 0.0% Q1 2026 May 15, 2026
Covestor Ltd History No change 10,376 72 0.05% 0.04% 16 0 0.0% Q1 2026 May 05, 2026
Vanguard Global Advisers, LLC History New 1,581 10 0.0% 18 +1,581 New Q1 2026 May 08, 2026
Tower Research Capital LLC (TRC) History Added to 1,518 10 0.0% 17 +1,365 892.16% Q1 2026 May 15, 2026
UBS Group AG History Added to 1,159 8 0.0% 0.0% 19 +724 166.44% Q1 2026 May 05, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Reduced 638 4 0.0% 0.0% 20 -1,000 -61.05% Q1 2026 May 08, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Closed out 0 0 0.0% -27,772 -100.0% Q1 2026 May 15, 2026
BANK OF AMERICA CORP /DE/ History Closed out 0 0 -91 -100.0% Q1 2026 May 15, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 35 0 +25 250.0% Q1 2026 May 12, 2026
WELLS FARGO & COMPANY/MN History No change 10 0 0 0.0% Q1 2026 May 11, 2026
MORGAN STANLEY History No change 106 0 0 0.0% Q1 2026 May 15, 2026
RHUMBLINE ADVISERS History No change 65 0 0 0.0% Q1 2026 May 12, 2026
OSAIC HOLDINGS, INC. History No change 1 0 0 0.0% Q1 2026 May 15, 2026
SBI Securities Co., Ltd. History No change 1 0 0 0.0% Q1 2026 Apr 27, 2026
Activest Wealth Management History No change 100 0 0 0.0% Q1 2026 Apr 15, 2026