13D·WATCH Activist + Insider Intelligence Live feed Blog About Pilot
ISSUER PROFILE · CIK 0001158172 · CUSIP 20564W105

COMSCORE, INC.SCOR

14 13D/G filings 8 distinct filers 0 insider transactions (365d)

Post-Filing Returns · across 3 activist filings on this issuer

Median 30d
avg —
Median 60d
avg —
Median 90d
avg —
Median 180d
avg —

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
14
3 SCHEDULE · 11 SC
Distinct filers
8
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
1.00
as of 2026-05-29

13D/G Filings Timeline · 14 total

FiledFormFilerStakeSharesIntent
2025-09-30 SCHEDULE Liberty Broadband Corp 25.50% 1,717,072 view →
2025-09-30 SCHEDULE Pine Investor, LLC 27.20% 1,830,579 view →
2025-09-30 SCHEDULE CHARTER COMMUNICATIONS, INC. /MO/ 24.55% 1,631,889 view →
2024-07-26 SC CHARTER COMMUNICATIONS, INC. /MO/ view →
2024-07-26 SC Pine Investor, LLC view →
2024-01-29 SC 180 DEGREE CAPITAL CORP. /NY/ view →
2023-12-11 SC 180 DEGREE CAPITAL CORP. /NY/ view →
2023-06-12 SC 180 DEGREE CAPITAL CORP. /NY/ view →
2023-06-01 SC 180 DEGREE CAPITAL CORP. /NY/ view →
2023-05-23 SC Qurate Retail, Inc. view →
2022-07-01 SC Pine Investor, LLC view →
2020-11-20 SC Tenzing Global Management, LLC view →
2018-04-06 SC WPP plc view →
2018-01-17 SC Starboard Value LP view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-05-29 16,400 1.00 -1.8%
2026-05-15 16,696 1.39 -0.9%
2026-04-30 16,846 1.00 +11.1%
2026-04-15 15,162 1.00 -7.8%
2026-03-31 16,436 1.00 +155.4%
2026-03-13 6,436 1.00 -5.8%
2026-02-27 6,835 1.00 +4.0%
2026-02-13 6,570 1.00 -8.2%
2026-01-30 7,158 1.00 -35.3%
2026-01-15 11,054 1.00 -52.8%
2025-12-31 23,435 2.50 -7.7%
2025-12-15 25,387 4.39 -26.6%

Alert me when any activist files on COMSCORE, INC.

Free. We email you when criteria match. One-click unsubscribe in every email.

Track every activist who touches this name.

Custom alerts · full feed · daily intelligence · API. $1,500/mo. Pilots welcome.

Request a pilot →