What does CUSIP 20564W105 represent in this 13F holders report?

CUSIP 20564W105 is the security identifier for SCOR - comScore, Inc. - Common Stock, par value $0.001 per share used to aggregate holder disclosures.

How many institutions held SCOR - comScore, Inc. - Common Stock, par value $0.001 per share in Q1 2021?

98 institutional investors reported SCOR - comScore, Inc. - Common Stock, par value $0.001 per share for Q1 2021. Use the holders table for investor-level position and value details.

comScore, Inc. - Common Stock, par value $0.001 per share (SCOR)

CUSIP: 20564W105

Q1 2021 13F Holders as of 31 Mar 2021

Security type / class: Equity / Common Stock, par value $0.001 per share
Total 13F shares: 53,346,947
Total 13F value: $195,244,255
Share change: +975,019
Put/Call ratio: 72%
SEC-reported price per share: $3.66
Number of holders: 98
Value change: +$11,054,587
Number of buys: 56
Number of sells: 31
Shares outstanding: 30,187,399

Security key

20564W105

Report period

Q1 2021

Institutions

Top holders

SCOR full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2025 COMSCORE, INC. SEC filings COMSCORE, INC. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 20564W105

Newer quarter: Q3 2025

Recent filing periods:

Q3 2026 Q2 2026 Q1 2026 Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of SCOR - comScore, Inc. - Common Stock, par value $0.001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Weiss Multi-Strategy Advi...

Disclosed value leader

Weiss Multi-Strategy Advi...

Comparable rows

0/15

Latest evidence

31 Dec 2020

13F Highest disclosed value: $16,146,000 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

Weiss Multi-Strategy Advisers LLC has the largest disclosed position value at $16.15M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Weiss Multi-Strategy Advisers LLC's linked filing trail.

Disclosed position value Top 5

Weiss Multi-Strategy Advisers LLC $16.15M

PRIMECAP MANAGEMENT CO/CA/ $13.66M

BlackRock Finance, Inc. $10.02M

Tenzing Global Management, LLC $7.66M

ROYCE & ASSOCIATES LP $7.6M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Weiss Multi-Strategy Advisers LLC	13F Company 13F	— denominator unverified	$16,146,000 6,484,199 shares	—	31 Dec 2020
PRIMECAP MANAGEMENT CO/CA/	13F Company 13F	— denominator unverified	$13,665,000 5,487,965 shares	—	31 Dec 2020
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$10,017,000 4,023,029 shares	—	31 Dec 2020
Tenzing Global Management, LLC	13F Company 13F	— denominator unverified	$7,657,000 3,075,000 shares	—	31 Dec 2020
ROYCE & ASSOCIATES LP	13F Company 13F	— denominator unverified	$7,604,000 3,053,801 shares	—	31 Dec 2020
Roumell Asset Management, LLC	13F Company 13F	— denominator unverified	$7,469,000 2,999,755 shares	—	31 Dec 2020

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2021

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

53,346,947

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2021 vs Q2 2026 Across Filers

Q2 2026 holders

Q1 2021 holders

Holder diff

Investor	Q2 2026 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q2 2026 value	Q1 2021 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend