comScore Ownership | Who Owns comScore?


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comScore Ownership Summary


comScore is owned by 8.96% institutional investors, 54.77% insiders, and 36.27% retail investors. Cerberus capital management is the largest institutional shareholder, holding 64.73% of SCOR shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.42% of its assets in comScore shares.

SCOR Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockcomScore8.96%54.77%36.27%
SectorCommunication Services Stocks 28.85%18.19%52.95%
IndustryInternet Content & Information Stocks 29.27%17.81%52.91%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Cerberus capital management3.40M64.73%$23.57M
Westerly capital management897.00K17.09%$6.23M
Vanguard group172.73K3.29%$1.12M
Clune & associates126.66K2.41%$878.99K
Acadian asset management84.08K1.60%$582.00K
Geode capital management63.72K1.21%$442.31K
Renaissance40.92K0.78%$283.99K
Blackrock funding, inc. /de38.97K0.74%$270.47K
Millennium management36.93K0.70%$256.28K
Susquehanna group, llp20.70K0.39%$143.67K

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Westerly capital management897.00K1.69%$6.23M
Cerberus capital management3.40M0.89%$23.57M
Clune & associates126.66K0.17%$878.99K
Covestor10.38K0.05%$72.00K
Acadian asset management84.08K0.00%$582.00K
Renaissance40.92K0.00%$283.99K
Tower research capital llc (trc)1.52K0.00%$10.54K
Millennium management36.93K0.00%$256.28K
Activest wealth management100.000.00%$694.00
Susquehanna group, llp20.70K-$143.67K

Top Buyers

HolderShares% AssetsChange
Westerly capital management897.00K1.69%427.00K
Millennium management36.93K0.00%36.93K
Vanguard fiduciary trust19.08K-19.08K
Geode capital management63.72K-10.79K
Vanguard global advisers1.58K-1.58K

Top Sellers

HolderShares% AssetsChange
Bridgeway capital management---27.77K
Quinn opportunity partners---15.22K
Heron bay capital management---10.11K
Pnc financial services group638.00--1.00K
Renaissance40.92K0.00%-800.00

New Positions

HolderShares% AssetsChangeValue
Millennium management36.93K0.00%36.93K$256.28K
Vanguard fiduciary trust19.08K-19.08K$132.39K
Vanguard global advisers1.58K-1.58K$10.97K
Fmr2.00-2.00$16.00

Sold Out

HolderChange
Raymond james financial-5.00
Jpmorgan chase-9.00
Barclays-10.00
Citigroup-20.00
Fairman group-50.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Mar 31, 202614-41.67%470,008-89.75%80.12%5-16.67%1-85.71%
Dec 31, 202516-44.83%543,131-53.60%101.97%2-77.78%4-20.00%
Sep 30, 20252911.54%1,170,6241.98%224.54%928.57%5-
Jun 30, 202526-10.34%1,147,863-2.14%224.22%7-30.00%5-16.67%
Mar 31, 20251-4,541---1---

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Vanguard US Total Market Shares ETF118.99K2.42%-
Jacob Internet Inv208.75K1.39%-75.00K
Royce Small-Cap Opportunity Invmt59.91K1.23%-3.74K
Vanguard Total Stock Mkt Idx Inv172.37K1.15%24.26K
Roumell Opportunistic Value Instl50.73K1.04%-
Jacob Discovery Fd Instl60.80K0.40%-18.50K
Vanguard Institutional Extnd Mkt Idx Tr50.72K0.34%14.49K
Weiss Alternative Multi-Strategy Fd Cl K15.43K0.32%168.00
Bridgeway Ultra-Small Company Market12.63K0.25%-
Ayalon Global Stocks11.35K0.23%-

Recent Insider Transactions


DateNameRoleActivityValue
Nov 14, 2025LIVEK WILLIAM PAUL-Sell$64.84K
Nov 12, 2025LIVEK WILLIAM PAUL-Sell$13.25K
Nov 12, 2025LIVEK WILLIAM PAUL-Sell$475.32
Nov 10, 2025LIVEK WILLIAM PAUL-Sell$16.70K
Nov 11, 2025LIVEK WILLIAM PAUL-Sell$5.91K

Insider Transactions Trends


DateBuySell
2025 Q4-6
2025 Q3--
2025 Q2--
2024 Q4--
2024 Q3--

SCOR Ownership FAQ


Who Owns comScore?

comScore shareholders are primarily institutional investors at 8.96%, followed by 54.77% insiders and 36.27% retail investors. The average institutional ownership in comScore's industry, Internet Content & Information Stocks , is 29.27%, which comScore falls below.

Who owns the most shares of comScore?

comScore’s largest shareholders are Cerberus capital management (3.4M shares, 64.73%), Westerly capital management (897K shares, 17.09%), and Vanguard group (172.73K shares, 3.29%). Together, they hold 85.11% of comScore’s total shares outstanding.

Does Blackrock own comScore?

BlackRock is not among the top 10 institutional shareholders of comScore.

Who is comScore’s biggest shareholder by percentage of total assets invested?

Westerly capital management is comScore’s biggest shareholder by percentage of total assets invested, with 1.69% of its assets in 897K comScore shares, valued at 6.23M$.

Who is the top mutual fund holder of comScore shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of comScore shares, with 2.42% of its total shares outstanding invested in 118.99K comScore shares.

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