Security key
750491102
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 76,223,567
- Total 13F value
- $5,440,637,967
- Share change
- +1,524,287
- Put/Call ratio
- 133%
- SEC-reported price per share
- $71.35
- Number of holders
- 340
- Value change
- +$107,811,891
- Number of buys
- 162
- Number of sells
- 147
- Shares outstanding
- 76,941,426
Holder snapshot
7 signals
Show 1 more signal
Security identity
Who this page is about.
1 source field
Report period
Q4 2025
Institutions
340
Top holders
10
RDNT full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
RadNet, Inc. SEC filings
RadNet, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 750491102
Recent filing periods:
Ownership snapshot
Top reported holders of RDNT - RadNet, Inc. - COMMON STOCK (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, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
31 Dec 2025
13F
13D/G
3/4/5
Lead comparable stake: 12%
13D/G row: BlackRock, Inc.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 12%.
15 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.
Comparable ownership
Top 5
BlackRock, Inc.
12%
RTW INVESTMENTS, LP
5.1%
David L. Swartz
0.28%
Lawrence L. Levitt
0.21%
Ranjan Jayanathan
0.18%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
12%
from 13D/G
|
$720,464,573
9,453,675 shares
|
— | 30 Sep 2025 |
| RTW INVESTMENTS, LP |
13D/G
13F
Company
|
5.1%
|
$300,704,475
3,938,500 shares
|
$0 | 31 Dec 2025 |
| David L. Swartz |
3/4/5
Director
|
0.28%
|
$11,916,375
213,785 shares
|
— | 10 Jun 2025 |
| Lawrence L. Levitt |
3/4/5
Director
|
0.21%
|
$13,671,553
164,956 shares
|
— | 25 Nov 2025 |
| Ranjan Jayanathan |
3/4/5
Chief Information Officer
|
0.18%
|
$9,328,365
138,198 shares
|
-$4,427,865 | 19 Aug 2025 |
| Laura Pastre Jacobs |
3/4/5
Director
|
0.04%
|
$1,505,370
27,007 shares
|
— | 10 Jun 2025 |
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 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
340
Shares
76,223,567
Rows available
340
| 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 2025 vs Q3 2025 Across Filers
Q3 2025 holders
326
Q4 2025 holders
340
Holder diff
14
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend