comScore, Inc. (SCOR)
Nasdaq: SCOR · Services-Business Services, NEC · Reston, VA · filing with the SEC since 2002
Grade3.4
◀ Past 2.3● Present 3.1▶ Future 4.5
Who owns comScore, Inc.
As filed with the SECHolders of 5% or more
4
Charter Communications, Inc. holds 50% of Common Stock, par value $0.001 per share, as its SCHEDULE 13D/A filed Aug 21, 2026 says.
Directors and officers
16
report now, of 58 people on the record since 2007. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Charter Communications, Inc.
SCHEDULE 13D/A · filed Aug 21, 2026 · Common Stock, par value $0.001 per share · 39.5% in Dec 31, 2025
Pine Investor, LLC
SCHEDULE 13D/A · filed Dec 31, 2025 · Common Stock, par value $0.001 per share · 27.2% in Sep 30, 2025
Westerly Capital Management, LLC
SCHEDULE 13G/A · filed Feb 17, 2026 · Common Stock, par value $0.001 per share
Irrevocable Larson Family Investment Trust
SCHEDULE 13G/A · filed Jan 28, 2025 · Common Stock · 5.9% in Dec 27, 2024
Wpp Plc
SCHEDULE 13D/A · filed May 6, 2026 · Common Stock, par value $0.001 per share · reported falling below 5%
Mount Logan Capital Inc.
SCHEDULE 13G/A · filed Feb 3, 2026 · Common Stock, par value $0.001 per per share · reported falling below 5%, from 8% in Sep 16, 2025
Liberty Broadband Corporation
SCHEDULE 13D/A · filed Aug 21, 2026 · Common Stock, par value $0.001 per share · reported falling below 5%, from 39.3% in Dec 31, 2025
What SCOR reports owning in othersstakes of 5% or more, and other ties
54 subsidiaries in 20 countries, from the list filed with the 10-K filed Mar 26, 2026.
Insider tradesForm 4
6sales
5purchases
0sales on a scheduled plan
1people selling
$100,000sold, in dollars
$300,000bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window3 of 66 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Livek William Paul | Chief Executive Officer and Executive Vice Chairman | 6 | $100,000 | 0 | 1 | $100,000 |
| Mclaughlin Matthew F. | Chief Executive Officer | 0 | $0 | 0 | 3 | $200,000 |
| Kline David | director | 0 | $0 | 0 | 1 | $0 |