What does CUSIP 750491102 represent in this 13F holders report?

CUSIP 750491102 is the security identifier for RDNT - RadNet, Inc. - Common Stock, $0.0001 par value used to aggregate holder disclosures.

How many institutions held RDNT - RadNet, Inc. - Common Stock, $0.0001 par value in Q4 2020?

136 institutional investors reported RDNT - RadNet, Inc. - Common Stock, $0.0001 par value for Q4 2020. Use the holders table for investor-level position and value details.

RadNet, Inc. - Common Stock, $0.0001 par value (RDNT)

CUSIP: 750491102

Q4 2020 13F Holders as of 31 Dec 2020

Security type / class: Equity / Common Stock, $0.0001 par value
Total 13F shares: 34,676,721
Total 13F value: $678,040,983
Share change: -150,144
Put/Call ratio: 60%
SEC-reported price per share: $19.57
Number of holders: 136
Value change: -$865,977
Number of buys: 58
Number of sells: 61
Shares outstanding: 78,176,742

Security key

750491102

Report period

Q4 2020

Institutions

136

Top holders

RDNT full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 RadNet, Inc. SEC filings RadNet, Inc. company facts

Broader feeds

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

Reporting periods

Holder history for CUSIP 750491102

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of RDNT - RadNet, Inc. - Common Stock, $0.0001 par value (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

BlackRock Finance, Inc.

Disclosed value leader

BlackRock Finance, Inc.

Comparable rows

0/15

Latest evidence

30 Sep 2020

13F Highest disclosed value: $97,988,000 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

BlackRock Finance, Inc. has the largest disclosed position value at $97.99M.

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 BlackRock Finance, Inc.'s linked filing trail.

Disclosed position value Top 5

BlackRock Finance, Inc. $97.99M

Alan W. Weber $50.99M

VANGUARD GROUP INC $39.93M

BECK MACK & OLIVER LLC $29.85M

DIMENSIONAL FUND ADVISORS LP $24.22M

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
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$97,988,000 6,383,693 shares	—	30 Sep 2020
Alan W. Weber	13F Individual 13F	— denominator unverified	$50,988,000 3,321,721 shares	—	30 Sep 2020
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$39,930,000 2,601,255 shares	—	30 Sep 2020
BECK MACK & OLIVER LLC	13F Company 13F	— denominator unverified	$29,850,000 1,944,615 shares	—	30 Sep 2020
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	— denominator unverified	$24,215,000 1,577,701 shares	—	30 Sep 2020
RENAISSANCE TECHNOLOGIES LLC	13F Company 13F	— denominator unverified	$22,768,000 1,483,270 shares	—	30 Sep 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 Q4 2020

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

Institutions

136

34,676,721

Rows available

136

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 Q4 2020 vs Q3 2020 Across Filers

Q3 2020 holders

131

Q4 2020 holders

136

Holder diff

Investor	Q3 2020 Shares	Q4 2020 Shares	Share Diff	Share Chg %	Q3 2020 value	Q4 2020 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend