RadNet, Inc.
RDNT- Exchange
- Nasdaq
- Industry
- Services-Medical Laboratories
- SEC CIK
- 0000790526
No open-market purchases or sales by RadNet, Inc. insiders were filed in the last 90 days; 328 institutions reported holding it in 13F filings for Q2 2026, worth $5.03B in total; Soros Fund Management is the only superinvestor holding it.
13F holders, Q1 2024
Institutional positions in RadNet, Inc. as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 277
- +64 vs. Q4 2023
- Shares held
- 59.8M
- +6.62M (+12.4%) vs. Q4 2023
- Total value
- $2.91B
- +$1.06B (+57.6%) vs. Q4 2023
- New holders
- 79
- 90 more added
- Sold out
- 15
- 73 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting RDNT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 328 | $5.03B |
| Q1 2026 | 340 | $4.31B |
| Q4 2025 | 342 | $5.44B |
| Q3 2025 | 328 | $5.65B |
| Q2 2025 | 328 | $4.03B |
| Q1 2025 | 307 | $3.43B |
| Q4 2024 | 330 | $4.49B |
| Q3 2024 | 303 | $4.42B |
| Q2 2024 | 277 | $3.60B |
| Q1 2024 | 277 | $2.91B |
| Q4 2023 | 214 | $1.86B |
| Q3 2023 | 191 | $1.49B |
| Q2 2023 | 185 | $1.66B |
| Q1 2023 | 152 | $1.00B |
| Q4 2022 | 145 | $744.5M |
| Q3 2022 | 153 | $798.7M |
| Q2 2022 | 152 | $672.9M |
| Q1 2022 | 164 | $847.5M |
| Q4 2021 | 171 | $1.08B |
| Q3 2021 | 179 | $1.04B |
| Q2 2021 | 169 | $1.20B |
| Q1 2021 | 142 | $764.5M |
Institutions, Q1 2024
Shares, value and share of portfolio for each institution holding RadNet, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Raymond James & Associates | 93,198 | $4.54M | 0.00% | +17,266+22.7% | Added |
| Portolan Capital Management, LLC | 93,981 | $4.57M | 0.35% | −48,540−34.1% | Reduced |
| Knights of Columbus Asset Advisors LLC | 95,015 | $4.62M | 0.33% | +95,015 | New |
| EAM Global Investors LLC | 95,747 | $4.66M | 1.08% | −70.0% | Reduced |
| First Eagle Investment Management, LLC | 97,443 | $4.74M | 0.01% | +22,400+29.8% | Added |
| Monashee Investment Management LLC | 100,000 | $4.87M | 0.58% | +100,000 | New |
| Franklin Resources Inc | 100,666 | $4.90M | 0.00% | +91,431+990.0% | Added |
| AYAL Capital Advisors Ltd | 105,000 | $5.11M | 3.67% | +105,000 | New |
| Rathbone Brothers plc | 107,843 | $5.25M | 0.03% | −86,346−44.5% | Reduced |
| Swiss National Bank | 113,900 | $5.54M | 0.00% | −6,300−5.2% | Reduced |
| Alliancebernstein L.P. | 115,260 | $5.61M | 0.00% | +44,830+63.7% | Added |
| Guggenheim Capital LLC | 115,637 | $5.63M | 0.04% | +115,637 | New |
| Marshall Wace, LLP | 116,134 | $5.65M | 0.01% | +109,089+1,548.5% | Added |
| Calamos Advisors LLC | 130,945 | $6.37M | 0.03% | +71,064+118.7% | Added |
| Citadel Advisors LLC | 133,222 | $6.48M | 0.01% | +128,435+2,683.0% | Added |
| Public Sector Pension Investment Board | 133,862 | $6.51M | 0.05% | +8,470+6.8% | Added |
| Castleark Management LLC | 149,723 | $7.29M | 0.30% | +149,723 | New |
| Citigroup Inc | 158,941 | $7.73M | 0.01% | +22,203+16.2% | Added |
| Rhumbline Advisers | 173,656 | $8.45M | 0.01% | +5,207+3.1% | Added |
| Nuveen Asset Management, LLC | 173,781 | $8.46M | 0.00% | +31,024+21.7% | Added |
| Legal & General Group Plc | 181,870 | $8.85M | 0.00% | +8,145+4.7% | Added |
| Eagle Asset Management Inc | 192,023 | $9.24M | 0.05% | +192,023 | New |
| Woodline Partners LP | 197,709 | $9.62M | 0.09% | +197,709 | New |
| Picton Mahoney Asset Management | 210,866 | $10.3M | 0.43% | +103,010+95.5% | Added |
| Royce & Associates LP | 217,660 | $10.6M | 0.09% | −134,475−38.2% | Reduced |
| Avidity Partners Management LP | 238,000 | $11.6M | 0.41% | +238,000 | New |
| Russell Investments Group, Ltd. | 249,898 | $12.2M | 0.02% | +127,039+103.4% | Added |
| Bessemer Group Inc | 250,317 | $12.2M | 0.02% | +18,386+7.9% | Added |
| Bank of America Corp | 257,956 | $12.6M | 0.00% | +106,771+70.6% | Added |
| New York State Common Retirement Fund | 265,989 | $12.9M | 0.02% | +186+0.1% | Added |
| Pier Capital, LLC | 285,509 | $13.9M | 1.91% | +9,886+3.6% | Added |
| Robotti Robert | 291,083 | $14.2M | 1.92% | +1,070+0.4% | Added |
| HSBC Holdings PLC | 312,826 | $15.2M | 0.01% | +70,666+29.2% | Added |
| Rockefeller Capital Management L.P. | 318,011 | $15.5M | 0.05% | +155,366+95.5% | Added |
| Neuberger Berman Group LLC | 340,615 | $16.6M | 0.01% | +170,801+100.6% | Added |
| Penn Capital Management Co Inc | 356,382 | $17.4M | 1.54% | −2,874−0.8% | Reduced |
| Ameriprise Financial Inc | 383,094 | $18.6M | 0.01% | +16,347+4.5% | Added |
| Silvercrest Asset Management Group LLC | 392,108 | $19.1M | 0.13% | −7,942−2.0% | Reduced |
| Cerity Partners LLC | 399,354 | $19.4M | 0.05% | +230,490+136.5% | Added |
| Victory Capital Management Inc | 420,875 | $20.5M | 0.02% | +164,836+64.4% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 432,018 | $21.0M | 0.10% | −4,000−0.9% | Reduced |
| UBS Asset Management Americas Inc | 432,122 | $21.0M | 0.01% | +13,186+3.1% | Added |
| Bank of New York Mellon Corp | 443,000 | $21.6M | 0.00% | −5,399−1.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 496,632 | $24.2M | 0.04% | +78,857+18.9% | Added |
| Morgan Stanley | 497,982 | $24.2M | 0.00% | −28,246−5.4% | Reduced |
| Deutsche Bank AG | 520,620 | $25.3M | 0.01% | −53,146−9.3% | Reduced |
| T. Rowe Price Investment Management, Inc. | 520,682 | $25.3M | 0.02% | +520,682 | New |
| Emerald Mutual Fund Advisers Trust | 528,545 | $25.7M | 1.34% | +83,615+18.8% | Added |
| Clearbridge Investments, LLC | 547,004 | $26.6M | 0.02% | +547,004 | New |
| FMR LLC | 595,942 | $29.0M | 0.00% | +591,484+13,267.9% | Added |
| 8 Knots Management, LLC | 509,247 | $30.0M | 2.90% | +509,247 | New |
| Northern Trust Corp | 630,199 | $30.7M | 0.01% | −2,394−0.4% | Reduced |
| Charles Schwab Investment Management Inc | 637,450 | $31.0M | 0.01% | +31,243+5.2% | Added |
| Emerald Advisers, LLC | 670,979 | $32.6M | 1.31% | +122,348+22.3% | Added |
| Adage Capital Partners GP, L.L.C. | 722,956 | $35.2M | 0.07% | +163,563+29.2% | Added |
| Wellington Management Group LLP | 727,562 | $35.4M | 0.01% | +390+0.1% | Added |
| Alyeska Investment Group, L.P. | 779,225 | $37.9M | 0.24% | −392,260−33.5% | Reduced |
| Goldman Sachs Group Inc | 815,891 | $39.7M | 0.01% | +44,229+5.7% | Added |
| Punch & Associates Investment Management, Inc. | 856,699 | $41.7M | 2.37% | −82,565−8.8% | Reduced |
| Edmond de Rothschild Holding S.A. | 877,057 | $42.7M | 0.71% | −670,595−43.3% | Reduced |
| Falcon Edge Capital, LP | 877,250 | $42.7M | 12.97% | +268,439+44.1% | Added |
| American Century Companies Inc | 905,939 | $44.1M | 0.03% | −302,809−25.1% | Reduced |
| Loomis Sayles & Co L P | 988,520 | $48.1M | 0.07% | +282,519+40.0% | Added |
| Global Alpha Capital Management Ltd. | 1,019,934 | $49.6M | 3.69% | +141,830+16.2% | Added |
| Hood River Capital Management LLC | 1,071,129 | $52.1M | 1.16% | +77,244+7.8% | Added |
| Millennium Management LLC | 1,082,971 | $52.7M | 0.04% | +344,132+46.6% | Added |
| Geode Capital Management, LLC | 1,413,197 | $68.8M | 0.01% | +85,975+6.5% | Added |
| Principal Financial Group Inc | 1,442,887 | $70.2M | 0.04% | +152,305+11.8% | Added |
| Invesco Ltd. | 1,604,251 | $78.1M | 0.02% | +43,485+2.8% | Added |
| RTW Investments, LP | 1,700,550 | $82.7M | 1.22% | +1,036,948+156.3% | Added |
| Dimensional Fund Advisors LP | 1,814,232 | $88.3M | 0.02% | +70,108+4.0% | Added |
| JB Capital Partners LP | 2,007,211 | $97.7M | 18.40% | −120,000−5.6% | Reduced |
| State Street Corp | 2,333,991 | $113.6M | 0.01% | +112,359+5.1% | Added |
| Beck Mack & Oliver LLC | 3,353,735 | $163.2M | 3.31% | +123,678+3.8% | Added |
| Vanguard Group Inc | 4,600,539 | $223.9M | 0.00% | +345,822+8.1% | Added |
| BlackRock Inc. | 9,258,407 | $450.5M | 0.01% | +364,090+4.1% | Added |
| SageView Advisory Group, LLC | 9,602 | – | – | +9,602 | New |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −891,100−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −43,369−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −21,864−100.0% | Sold out |
| Yorktown Management & Research Co Inc | 0 | $0 | 0.00% | −19,500−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −16,654−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −10,043−100.0% | Sold out |
| Stephens Inc | 0 | $0 | 0.00% | −8,276−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −8,238−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −7,043−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −6,897−100.0% | Sold out |
| West Tower Group, LLC | 0 | $0 | 0.00% | −1,370−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −240−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −155−100.0% | Sold out |
| Bokf, NA | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| AdvisorNet Financial, Inc | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Putnam Investments LLC | – | – | – | – | Not filed |