Skip to main content

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.

Institutional holdersQ1 2024: 277 institutions
Q1 2021: 142 institutionsQ2 2021: 169 institutionsQ3 2021: 179 institutionsQ4 2021: 171 institutionsQ1 2022: 164 institutionsQ2 2022: 152 institutionsQ3 2022: 153 institutionsQ4 2022: 145 institutionsQ1 2023: 152 institutionsQ2 2023: 185 institutionsQ3 2023: 191 institutionsQ4 2023: 214 institutionsQ1 2024: 277 institutionsQ2 2024: 277 institutionsQ3 2024: 303 institutionsQ4 2024: 330 institutionsQ1 2025: 307 institutionsQ2 2025: 328 institutionsQ3 2025: 328 institutionsQ4 2025: 342 institutionsQ1 2026: 340 institutionsQ2 2026: 328 institutions
Value heldQ1 2024: $2.91B
Q1 2021: $764.5MQ2 2021: $1.20BQ3 2021: $1.04BQ4 2021: $1.08BQ1 2022: $847.5MQ2 2022: $672.9MQ3 2022: $798.7MQ4 2022: $744.5MQ1 2023: $1.00BQ2 2023: $1.66BQ3 2023: $1.49BQ4 2023: $1.86BQ1 2024: $2.91BQ2 2024: $3.60BQ3 2024: $4.42BQ4 2024: $4.49BQ1 2025: $3.43BQ2 2025: $4.03BQ3 2025: $5.65BQ4 2025: $5.44BQ1 2026: $4.31BQ2 2026: $5.03B
Institutions holding RDNT and their total value by quarter
QuarterHoldersValue
Q2 2026328$5.03B
Q1 2026340$4.31B
Q4 2025342$5.44B
Q3 2025328$5.65B
Q2 2025328$4.03B
Q1 2025307$3.43B
Q4 2024330$4.49B
Q3 2024303$4.42B
Q2 2024277$3.60B
Q1 2024277$2.91B
Q4 2023214$1.86B
Q3 2023191$1.49B
Q2 2023185$1.66B
Q1 2023152$1.00B
Q4 2022145$744.5M
Q3 2022153$798.7M
Q2 2022152$672.9M
Q1 2022164$847.5M
Q4 2021171$1.08B
Q3 2021179$1.04B
Q2 2021169$1.20B
Q1 2021142$764.5M

Institutions, Q1 2024

Shares, value and share of portfolio for each institution holding RadNet, Inc.; share changes are against Q4 2023.

Institutions holding RDNT in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
LMR Partners LLP53,844$2.62M0.07%+53,844New
Harbor Capital Advisors, Inc.53,844$2.62M0.34%+53,844New
Barclays PLC53,835$2.62M0.00%−141,629−72.5%Reduced
Paradigm Capital Management Inc50,900$2.48M0.12%00.0%Unchanged
Wells Fargo & Company49,197$2.39M0.00%−384−0.8%Reduced
White Pine Capital LLC48,703$2.36M0.90%−12,021−19.8%Reduced
UBS Group AG43,148$2.10M0.00%−8,792−16.9%Reduced
Prescott Group Capital Management, L.L.C.41,611$2.02M0.32%+41,611New
State of Alaska, Department of Revenue39,872$1.94M0.02%+2,697+7.3%Added
Lighthouse Investment Partners, LLC38,730$1.88M0.11%+38,730New
BNP Paribas Arbitrage, SA38,161$1.86M0.00%+8,623+29.2%Added
Roubaix Capital, LLC37,658$1.83M1.16%+37,658New
Lido Advisors, LLC37,191$1.81M0.02%−10.0%Reduced
Raymond James Trust N.A.36,505$1.78M0.04%−18,221−33.3%Reduced
Price T Rowe Associates Inc35,054$1.71M0.00%+2,222+6.8%Added
Portland Investment Counsel Inc.34,500$1.68M0.94%00.0%Unchanged
Manufacturers Life Insurance Company, The33,399$1.63M0.00%+3,535+11.8%Added
Two Sigma Investments, LP33,118$1.61M0.00%−5,498−14.2%Reduced
American International Group, Inc.32,716$1.59M0.01%−69−0.2%Reduced
Assenagon Asset Management S.A.31,812$1.55M0.00%00.0%Unchanged
Ensign Peak Advisors, Inc31,806$1.55M0.00%−1,604−4.8%Reduced
Susquehanna International Group, LLP31,709$1.54M0.00%−11,137−26.0%Reduced
MetLife Investment Management31,361$1.53M0.01%00.0%Unchanged
Renaissance Technologies LLC31,100$1.51M0.00%−109,970−78.0%Reduced
Norges Bank31,000$1.51M0.00%00.0%Unchanged
Miracle Mile Advisors, LLC30,271$1.47M0.04%00.0%Unchanged
Jane Street Group, LLC30,119$1.47M0.00%−29,164−49.2%Reduced
Louisiana State Employees Retirement System29,900$1.45M0.03%−300−1.0%Reduced
Chartwell Investment Partners, LLC28,740$1.40M0.05%+685+2.4%Added
State of Tennessee, Treasury Department28,364$1.38M0.01%−7,359−20.6%Reduced
Yousif Capital Management, LLC27,558$1.34M0.01%−3,653−11.7%Reduced
Semanteon Capital Management, LP27,490$1.34M0.85%+27,490New
Illinois Municipal Retirement Fund27,006$1.31M0.02%−5,397−16.7%Reduced
Nebula Research & Development LLC26,321$1.28M0.28%+19,514+286.7%Added
Comerica Bank25,344$1.23M0.01%−2,485−8.9%Reduced
D. E. Shaw & Co., Inc.24,511$1.19M0.00%+24,511New
Jackson Creek Investment Advisors LLC23,253$1.13M0.40%+23,253New
Federation des caisses Desjardins du Quebec32,324$1.12M0.01%00.0%Unchanged
Maryland State Retirement & Pension System23,494$1.12M0.02%+1,532+7.0%Added
Quadrature Capital Ltd21,559$1.05M0.02%+21,559New
Zurcher Kantonalbank (Zurich Cantonalbank)21,108$1.03M0.00%+7,751+58.0%Added
Amalgamated Bank20,429$994.0K0.01%−5,245−20.4%Reduced
Steel Peak Wealth Management LLC20,000$973.2K0.05%00.0%Unchanged
Westmount Partners, LLC20,000$973.2K0.35%00.0%Unchanged
Bamco Inc20,000$973.2K0.00%+20,000New
Voya Investment Management LLC19,722$959.7K0.00%−4,078−17.1%Reduced
Hanseatic Management Services Inc19,615$954.5K1.45%+619+3.3%Added
Virtue Capital Management, LLC19,348$937.8K0.17%−884−4.4%Reduced
New York State Teachers Retirement System18,955$922.0K0.00%00.0%Unchanged
Oregon Public Employees Retirement Fund17,586$855.7K0.02%−100−0.6%Reduced
Occudo Quantitative Strategies LP16,757$815.4K0.14%+16,757New
Dynamic Technology Lab Private Ltd16,540$805.0K0.09%+8,289+100.5%Added
Arizona State Retirement System15,860$771.7K0.01%−1,191−7.0%Reduced
Royal Bank of Canada15,604$759.0K0.00%−24,230−60.8%Reduced
Capstone Investment Advisors, LLC15,240$741.6K0.01%+7,659+101.0%Added
Fisher Asset Management, LLC15,138$736.6K0.00%+15,138New
TD Asset Management Inc14,948$727.4K0.00%+14,948New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys14,080$685.1K0.00%+1,040+8.0%Added
UniSuper Management Pty Ltd14,026$682.5K0.01%+14,026New
Natixis Advisors, L.P.13,843$674.0K0.00%+2,054+17.4%Added
Axq Capital, LP12,336$600.3K0.14%+5,554+81.9%Added
ProShare Advisors LLC12,252$596.2K0.00%+940+8.3%Added
Brave Asset Management Inc11,791$573.8K0.15%00.0%Unchanged
Raymond James Financial Services Advisors, Inc.11,377$553.6K0.00%−4,350−27.7%Reduced
Everence Capital Management Inc11,320$551.0K0.04%00.0%Unchanged
Amundi11,543$549.6K0.00%+3,599+45.3%Added
Mutual of America Capital Management LLC11,232$546.5K0.01%+656+6.2%Added
Mirae Asset Global Investments Co., Ltd.22,583$541.1K0.00%−4,412−16.3%Reduced
State of Wisconsin Investment Board11,076$539.0K0.00%+5,291+91.5%Added
Sowell Financial Services LLC10,622$517.0K0.02%−29−0.3%Reduced
Y-Intercept (Hong Kong) Ltd9,544$464.4K0.03%−4,203−30.6%Reduced
Navellier & Associates Inc9,491$461.8K0.06%+333+3.6%Added
Handelsbanken Fonder AB9,400$457.0K0.00%00.0%Unchanged
Summit Financial, LLC9,356$455.3K0.03%+9,356New
Scientech Research LLC9,263$450.7K0.24%−374−3.9%Reduced
HighTower Advisors, LLC8,602$422.0K0.00%+2,613+43.6%Added
Quantbot Technologies LP8,493$413.3K0.02%+8,493New
Stratos Wealth Partners, LTD.8,366$407.1K0.01%−43−0.5%Reduced
Lombard Odier Asset Management (USA) Corp8,127$395.5K0.06%+8,127New
Moran Wealth Management, LLC7,420$361.1K0.01%+629+9.3%Added
CWM Advisors, LLC7,376$358.9K0.04%−3,907−34.6%Reduced
Tiaa Trust, National Association7,375$358.9K0.00%00.0%Unchanged
MML Investors Services, LLC7,286$355.0K0.00%+7,286New
SG Capital Management LLC7,101$345.5K0.11%−78,324−91.7%Reduced
Premier Fund Managers Ltd7,082$343.0K0.01%+7,082New
State Board of Administration of Florida Retirement System13,671$342.2K0.00%−3,320−19.5%Reduced
Pictet Asset Management Holding SA7,028$342.0K0.00%00.0%Unchanged
Pathstone Holdings, LLC7,020$341.6K0.00%+737+11.7%Added
Beverly Hills Private Wealth, LLC7,000$340.6K0.08%00.0%Unchanged
Bank of Montreal6,687$325.7K0.00%+400+6.4%Added
Edgestream Partners, L.P.6,657$323.9K0.02%+6,657New
Teacher Retirement System of Texas6,638$323.0K0.00%−4,750−41.7%Reduced
Fox Run Management, L.L.C.6,492$315.9K0.07%+6,492New
Deerfield Management Company, L.P. (Series C)6,462$314.4K0.01%+6,462New
IHT Wealth Management, LLC6,448$313.8K0.01%+6,448New
Samalin Investment Counsel, LLC6,440$313.4K0.15%00.0%Unchanged
Eqis Capital Management, Inc.6,411$312.0K0.03%−1,873−22.6%Reduced
Seven Eight Capital, LP6,279$305.5K0.03%+6,279New
Ameritas Investment Partners, Inc.6,237$303.5K0.01%00.0%Unchanged
Contravisory Investment Management, Inc.6,220$302.7K0.07%+5,875+1,702.9%Added