- RMGCW — RMG Acquisition Corp. III
- RMGN — RMG Networks Holding Corporation
- RMHY — Global X Adaptive Risk Managed Yield ETF
- RMI — RiverNorth Opportunistic Municipal Income Fund, Inc.
- RMIAX — Riverfront Moderate Growth & Income Fund - Investor Class
- RMIX — Suncrete, Inc. Class A Common Stock
- RML.V — Rusoro Mining Ltd.
- RMM — Rivernorth Managed Duration Municipal Income Fund Inc.
- RMMZ — RiverNorth Managed Duration Municipal Income Fund II, Inc.
- RMNI — Rimini Street, Inc.
- RMNY — Rockefeller New York Municipal Bond ETF
- RMO — Romeo Power, Inc.
- RMOP — Rockefeller Opportunistic Municipal Bond ETF
- RMP — Rice Midstream Partners LP
- RMPL-P — RiverNorth Specialty Finance Corporation
- RMR — The RMR Group Inc.
- RMRC — ARMOR Core Risk-Managed ETF
- RMRM — Seven Hills Realty Trust
- RMSG — Real Messenger Corporation
- RMT — Royce Micro-Cap Trust, Inc.
- RMTI — Rockwell Medical, Inc.
- RMUNX — Invesco Rochester New York Municipals Fund Class A
- RMVIX — RBC Funds Trust - RBC Microcap Value Fund
- RNA — Avidity Biosciences, Inc.
- RNAC — Cartesian Therapeutics, Inc.
- RNAM — Avidity Biosciences Inc
- RNAZ — TransCode Therapeutics, Inc.
- RNBW — Rainbow Capital Holdings Limited Class A Ordinary Shares
- RND — First Trust Bloomberg R&D Leaders ETF
- RNDB — Randolph Bancorp, Inc.
- RNDLX — RiverNorth Doubleline Strategic Inc R
- RNDM — First Trust Developed International Equity Select ETF
- RNDV — First Trust US Equity Dividend Select ETF
- RNEM — Emerging Markets Equity Select ETF
- RNER — Mount Rainier Acquisition Corp.
- RNERU — Mount Rainier Acquisition Corp.
- RNERW — Mount Rainier Acquisition Corp.
- RNG — RingCentral, Inc.
- RNGR — Ranger Energy Services, Inc.
- RNGT — Range Capital Acquisition Corp II Class A Ordinary Shares
- RNGTU — Range Capital Acquisition Corp II Units
- RNGTW — Range Capital Acquisition Corp II Warrants
- RNLC — First Trust Large Cap US Equity Select ETF
- RNLX — Renalytix Plc
- RNMC — First Trust Mid Cap US Equity Select ETF
- RNNEX — American Funds The New Economy Fund Class R-2E
- RNP — Cohen & Steers REIT and Preferred Income Fund, Inc.
- RNPCX — American Funds New Perspective R3
- RNPGX — American Funds New Perspective Fund Class R-6
- RNR — RenaissanceRe Holdings Ltd.
- RNRG — Global X - Renewable Energy Producers ETF
- RNSC — First Trust Small Cap US Equity Select ETF
- RNST — Renasant Corporation
- RNTX — Rein Therapeutics Inc.
- RNTY — YieldMax Target 12 Real Estate Option Income ETF
- RNW — ReNew Energy Global Plc
- RNW.TO — TransAlta Renewables Inc.
- RNWGX — American Funds New World Fund Class R-6
- RNWIX — Rondure New World Fund, Instl Class
- RNWK — RealNetworks, Inc.
- RNWOX — Rondure New World Fund, Inv Class
- RNWWW — ReNew Energy Global plc
- RNWZ — TRUESHARES EAGLE GLOBAL RENEWABLE ENERGY INCOME ETF
- RNXT — RenovoRx, Inc.
- ROAD — Construction Partners, Inc.
- ROAM — Hartford Multifactor Emerging Markets ETF
- ROBO — L&G ROBO Global Robotics and Automation UCITS ETF
- ROBT — First Trust Nasdaq Artificial Intelligence and Robotics ETF
- ROC — Rank One Computing Corp.
- ROCAR — ROC Energy Acquisition Corp.
- ROCAU — ROC Energy Acquisition Corp.
- ROCC — Ranger Oil Corporation
- ROCG — Roth CH Acquisition IV Co.
- ROCGU — Roth CH Acquisition IV Co.
- ROCGW — Roth CH Acquisition IV Co.
- ROCK — Gibraltar Industries, Inc.
- ROCK.V — Trident Resources Corp.
- ROCL — Roth Ch Acquisition V Co.
- ROCLU — Roth Ch Acquisition V Co.
- ROCLW — Roth Ch Acquisition V Co.
- ROCQ — JPMorgan Nasdaq Equity Premium Yield ETF
- ROCR — Roth CH Acquisition III Co.
- ROCRU — Roth CH Acquisition III Co.
- ROCRW — Roth CH Acquisition III Co.
- ROCY — JPMorgan Equity Premium Yield ETF
- RODM — Hartford Multifactor Developed Markets (ex-US) ETF
- ROE — Astoria US Equal Weight Quality Kings ETF
- ROG — Rogers Corporation
- ROGSX — Red Oak Technology Select Fund
- ROI — RiskOn International, Inc.
- ROI.V — Route1 Inc.
- ROIC — Retail Opportunity Investments Corp.
- ROIV — Roivant Sciences Ltd.
- ROIVW — Roivant Sciences Ltd.
- ROK — Rockwell Automation, Inc.
- ROK.V — ROK Resources Inc.
- ROKT — State Street SPDR S&P Kensho Final Frontiers ETF
- ROKU — Roku, Inc.
- ROL — Rollins, Inc.
- ROLA — iPath Long Extended Russell 1000TR ETN