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

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock, $0.0001 par value
Symbol
RDNT on Nasdaq
Shares outstanding
77,225,490
Price per share
$70.71
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
76,220,448
Total reported value
$5,440,415,426
% of total 13F portfolios
0.01%
Share change
+1,524,221
Value change
+$107,807,182
Number of holders
337
Price from insider filings
$70.71
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of RadNet, Inc. - Common Stock, $0.0001 par value (RDNT) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 12% $704,993,027 9,250,663 BlackRock, Inc. 30 Sep 2025
VANGUARD GROUP INC 10% $386,631,101 7,425,218 The Vanguard Group 31 Dec 2024
RTW INVESTMENTS, LP 5.1% $300,704,475 3,938,500 RTW Investments, LP 31 Dec 2025

As of 31 Dec 2025, 337 institutional investors reported holding 76,220,448 shares of RadNet, Inc. - Common Stock, $0.0001 par value (RDNT). This represents 99% of the company’s total 77,225,490 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of RadNet, Inc. - Common Stock, $0.0001 par value (RDNT) together control 66% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 13% 10,021,020 +6% 0.01% $714,999,811
VANGUARD GROUP INC 9.7% 7,463,101 -0.28% 0.01% $532,492,257
RTW INVESTMENTS, LP 5.1% 3,938,500 +40% 2.8% $281,011,975
BECK MACK & OLIVER LLC 4.2% 3,231,451 -1.4% 4.2% $230,564,029
PRICE T ROWE ASSOCIATES INC /MD/ 3.5% 2,699,082 +30% 0.02% $192,581,000
STATE STREET CORP 3.3% 2,579,073 +1.6% 0.01% $184,016,859
GEODE CAPITAL MANAGEMENT, LLC 2.2% 1,671,543 +0.4% 0.01% $119,283,231
Invesco Ltd. 2.1% 1,596,780 +26% 0.02% $113,930,252
JB CAPITAL PARTNERS LP 1.8% 1,424,061 0% 17% $101,606,752
Hood River Capital Management LLC 1.8% 1,395,891 +1.8% 1.1% $99,596,823
DIMENSIONAL FUND ADVISORS LP 1.8% 1,359,815 -1.3% 0.02% $97,022,582
Alyeska Investment Group, L.P. 1.5% 1,152,293 0% 0.23% $82,216,106
PRINCIPAL FINANCIAL GROUP INC 1.5% 1,133,089 -0.77% 0.04% $80,845,901
AMERIPRISE FINANCIAL INC 1.5% 1,120,144 -21% 0.02% $79,922,940
GOLDMAN SACHS GROUP INC 1.5% 1,120,042 +7.2% 0.01% $79,914,997
Clearbridge Investments, LLC 1.4% 1,114,973 -6% 0.06% $79,553,351
Allspring Global Investments Holdings, LLC 1.4% 1,048,327 -40% 0.12% $74,378,800
MORGAN STANLEY 1.2% 949,971 +30% 0% $67,780,563
AMERICAN CENTURY COMPANIES INC 1.2% 908,032 -28% 0.03% $64,788,210
Van Berkom & Associates Inc. 1.1% 823,728 +0.02% 1.7% $58,773,000
T. Rowe Price Investment Management, Inc. 1.1% 822,723 -23% 0.04% $58,702,000
BAMCO INC /NY/ 1% 810,066 0% 0.16% $57,798,209
FULLER & THALER ASSET MANAGEMENT, INC. 1% 768,464 +8.9% 0.19% $54,829,883
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.98% 758,304 +2.3% 0.01% $54,104,990
LOOMIS SAYLES & CO L P 0.96% 743,472 -4.5% 0.06% $53,046,727

Institutional Holders of RadNet, Inc. - Common Stock, $0.0001 par value (RDNT) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 76,220,448 $5,440,415,426 +$107,807,182 $71.35 337
2025 Q3 74,117,096 $5,650,834,032 +$284,022,490 $76.21 326
2025 Q2 70,905,299 $4,034,464,486 +$150,437,609 $56.91 326
2025 Q1 68,288,373 $3,396,956,782 +$155,222,910 $49.72 302
2024 Q4 64,315,643 $4,493,318,936 +$39,253,825 $69.84 327
2024 Q3 63,697,057 $4,421,272,087 +$181,481,630 $69.39 300
2024 Q2 61,184,391 $3,605,178,244 +$100,119,449 $58.92 275
2024 Q1 59,654,001 $2,902,884,328 +$331,719,856 $48.66 271
2023 Q4 53,353,765 $1,855,208,524 +$26,147,865 $34.77 213
2023 Q3 52,816,705 $1,489,029,059 +$33,857,606 $28.19 189
2023 Q2 50,826,091 $1,657,822,513 +$357,165,910 $32.62 182
2023 Q1 39,962,793 $1,000,578,016 +$12,281,386 $25.03 148
2022 Q4 39,552,373 $744,807,701 +$4,406,427 $18.83 145
2022 Q3 39,268,471 $799,025,645 +$7,472,877 $20.35 145
2022 Q2 38,907,018 $672,576,366 +$19,280,324 $17.28 140
2022 Q1 37,898,816 $847,483,854 +$34,952,087 $22.37 157
2021 Q4 36,078,664 $1,084,746,085 +$22,839,023 $30.11 164
2021 Q3 35,331,527 $1,035,436,669 -$13,789,344 $29.31 173
2021 Q2 35,697,383 $1,202,738,527 +$23,733,089 $33.69 165
2021 Q1 35,146,548 $764,511,328 +$11,561,688 $21.75 140
2020 Q4 34,676,721 $678,040,983 -$865,977 $19.57 136
2020 Q3 34,869,831 $535,065,200 +$574,603 $15.35 131
2020 Q2 34,757,896 $551,484,203 -$6,575,937 $15.87 130
2020 Q1 35,519,717 $369,099,195 -$11,528,810 $10.51 147
2019 Q4 36,270,650 $736,517,463 +$89,478,261 $20.30 141
2019 Q3 32,202,071 $462,413,355 +$29,046,576 $14.36 113
2019 Q2 31,356,616 $432,322,899 -$4,782,968 $13.79 119
2019 Q1 32,071,924 $397,372,583 +$14,246,006 $12.39 121
2018 Q4 31,037,003 $315,652,263 +$3,684,060 $10.17 122
2018 Q3 29,819,995 $448,233,597 +$7,681,238 $15.05 114
2018 Q2 29,350,431 $440,235,440 +$22,878,468 $15.00 117
2018 Q1 27,938,184 $402,214,324 +$24,554,462 $14.40 130
2017 Q4 27,018,764 $272,907,141 +$15,399,410 $10.10 124
2017 Q3 25,321,276 $292,403,228 +$26,554,796 $11.55 111
2017 Q2 23,071,761 $179,731,909 +$11,730,615 $7.75 100
2017 Q1 21,601,064 $127,422,657 +$8,417,410 $5.90 90
2016 Q4 22,142,741 $142,786,318 +$1,280,882 $6.45 97
2016 Q3 21,767,024 $161,055,288 +$1,752,519 $7.40 84
2016 Q2 21,852,089 $116,744,939 +$1,389,282 $5.34 91
2016 Q1 21,590,586 $104,292,000 -$146,275 $4.83 89
2015 Q4 21,579,893 $133,334,530 +$1,948,481 $6.18 87
2015 Q3 21,143,114 $117,574,098 -$2,732,389 $5.55 92
2015 Q2 22,067,083 $147,643,937 -$126,501 $6.69 96
2015 Q1 21,640,705 $181,665,759 +$7,435,386 $8.40 105
2014 Q4 20,766,265 $177,159,043 +$16,164,613 $8.54 98
2014 Q3 16,308,777 $107,975,537 +$8,909,106 $6.62 92
2014 Q2 14,725,325 $97,626,401 +$38,110,793 $6.63 88
2014 Q1 9,670,183 $27,462,000 +$1,744,376 $2.84 45