Comscore SCOR Institutional Ownership

Updated Oct 11, 2026

Comscore, Inc. (NASDAQ:SCOR) counted 29 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

• Their combined stake equaled 37.91% of outstanding shares in Q2 2026, up from 33.59% in Q1 2026.
• Total shares held in Comscore rose 13.62% from Q1 2026, while the number of holders rose 11.54% from Q2 2025.
• Looking at the 29 holders of SCOR individually, 13 added to their positions, 5 reduced their stakes and 11 left their positions unchanged.
• The aggregate institutional position in Comscore was 5.78Mn shares at the end of Q2 2026, up 692.53K from the prior quarter and up 4.63Mn from a year earlier.
• As of June 30, 2026, the biggest holder of Comscore was Cerberus Capital Management, L.P. with 3.4Mn shares, or 22.28% of shares outstanding.
• The biggest increases in SCOR positions during Q2 2026 came from Westerly Capital Management, LLC (+413.96K shares), Vanguard Capital Management LLC (+153.51K shares), BlackRock, Inc. (+12.09K shares), Wells Fargo & Company (+8.77K shares) and Byrne Asset Management LLC (+2K shares).
• The biggest cuts to SCOR positions during Q2 2026 came from Millennium Management LLC (-5.36K shares), Renaissance Technologies LLC (-1K shares), Geode Capital Management, LLC (-398 shares), Tower Research Capital LLC (-324 shares) and BNP Paribas Financial Markets (-25 shares).
• Per Business Quant data, the 10 largest holders of Comscore at the end of Q2 2026 were Cerberus Capital Management, L.P. (3.4Mn shares), Westerly Capital Management, LLC (1.31Mn shares), Vanguard Capital Management LLC (340.77K shares), Factor Wealth Management LTD (126.66K shares), Beartown Capital Management, LLC (126.21K shares), Acadian Asset Management LLC (84.08K shares), Geode Capital Management, LLC (63.33K shares), Bridgeway Capital Management, LLC (59.84K shares), BlackRock, Inc. (51.06K shares) and Renaissance Technologies LLC (39.92K shares).