LOS ANGELES, CA
RADNET, INC.RDNT— Latest position per institution from SEC 13F filings
15
Institutional holders
66.48M
Total shares held
3.79B
Estimated value
3.32M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
10.96M
Value
675.77M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
9.61M
Value
565.97M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
7.46M
Value
532.49M
Filed
Dec 31, 2025
RTW INVESTMENTS, LP
CIK 1493215
Shares
4.85M
Value
298.91M
Filed
Jun 30, 2026
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
4.50M
Value
277.59K
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
4.07M
Value
250.81M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
3.19M
Value
196.95M
Filed
Jun 30, 2026
BECK MACK & OLIVER LLC
CIK 10742
Shares
3.16M
Value
195.10M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
2.84M
Value
175.19M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.86M
Value
114.64M
Filed
Jun 30, 2026
INVESCO LTD.
CIK 914208
Shares
1.64M
Value
101.22M
Filed
Jun 30, 2026
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
1.62M
Value
99.81M
Filed
Jun 30, 2026
CLEARBRIDGE INVESTMENTS, LLC
CIK 1348883
Shares
1.55M
Value
95.38M
Filed
Jun 30, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
1.49M
Value
91.94M
Filed
Jun 30, 2026
HOOD RIVER CAPITAL MANAGEMENT LLC
CIK 1578177
Shares
1.46M
Value
89.80M
Filed
Jun 30, 2026
JB CAPITAL PARTNERS LP
CIK 1138532
Shares
1.42M
Value
87.82M
Filed
Jun 30, 2026
BAMCO INC /NY/
CIK 1017918
Shares
1.26M
Value
77.77M
Filed
Jun 30, 2026
VAN BERKOM & ASSOCIATES INC.
CIK 1524408
Shares
1.19M
Value
73.58K
Filed
Jun 30, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
1.18M
Value
72.67M
Filed
Jun 30, 2026
ALYESKA INVESTMENT GROUP, L.P.
CIK 1453072
Shares
1.17M
Value
72.26M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 10.96M | 675.77M | Jun 30, 2026 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 9.61M | 565.97M | Jun 30, 2024 |
| 3 | VANGUARD GROUP INC | 102909 | 7.46M | 532.49M | Dec 31, 2025 |
| 4 | RTW INVESTMENTS, LP | 1493215 | 4.85M | 298.91M | Jun 30, 2026 |
| 5 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 4.50M | 277.59K | Jun 30, 2026 |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 4.07M | 250.81M | Jun 30, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 3.19M | 196.95M | Jun 30, 2026 |
| 8 | BECK MACK & OLIVER LLC | 10742 | 3.16M | 195.10M | Jun 30, 2026 |
| 9 | STATE STREET CORP | 93751 | 2.84M | 175.19M | Jun 30, 2026 |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.86M | 114.64M | Jun 30, 2026 |
| 11 | INVESCO LTD. | 914208 | 1.64M | 101.22M | Jun 30, 2026 |
| 12 | AMERICAN CENTURY COMPANIES INC | 748054 | 1.62M | 99.81M | Jun 30, 2026 |
| 13 | CLEARBRIDGE INVESTMENTS, LLC | 1348883 | 1.55M | 95.38M | Jun 30, 2026 |
| 14 | DIMENSIONAL FUND ADVISORS LP | 354204 | 1.49M | 91.94M | Jun 30, 2026 |
| 15 | HOOD RIVER CAPITAL MANAGEMENT LLC | 1578177 | 1.46M | 89.80M | Jun 30, 2026 |
| 16 | JB CAPITAL PARTNERS LP | 1138532 | 1.42M | 87.82M | Jun 30, 2026 |
| 17 | BAMCO INC /NY/ | 1017918 | 1.26M | 77.77M | Jun 30, 2026 |
| 18 | VAN BERKOM & ASSOCIATES INC. | 1524408 | 1.19M | 73.58K | Jun 30, 2026 |
| 19 | GOLDMAN SACHS GROUP INC | 886982 | 1.18M | 72.67M | Jun 30, 2026 |
| 20 | ALYESKA INVESTMENT GROUP, L.P. | 1453072 | 1.17M | 72.26M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.