Notice: This company has been marked as potentially delisted and may not be actively trading. NASDAQ:RTTR Ritter Pharmaceuticals (RTTR) Stock Price, News & Analysis Add Compare Share Share Stock Analysis Stock AnalysisCompetitorsTrendsBuy This Stock About Ritter Pharmaceuticals Stock (NASDAQ:RTTR) 30 days 90 days 365 days Advanced Chart Remove Ads Get Ritter Pharmaceuticals alerts:Sign Up Key Stats Today's Range$3.09▼$4.0250-Day Range$0.45▼$4.0952-Week Range$0.15▼$1.27Volume1.00 million shsAverage Volume14.23 million shsMarket Capitalization$175.38 millionP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company OverviewRitter Pharmaceuticals, Inc. develops and sells novel therapeutic products that modulate the human gut microbiome to treat gastrointestinal diseases. Its lead product candidate is RP-G28, a novel microbiome modulator, which has completed Phase 2b clinical trial for the reduction of symptoms associated with lactose intolerance. The company's product, RP-G28 is designed to stimulate the growth of lactose-metabolizing bacteria in the colon, thereby adapting the gut microbiome to assist in digesting the lactose that reaches the large intestine. The company was formerly known as Ritter Natural Sciences, LLC and changed its name to Ritter Pharmaceuticals, Inc. in September 2008. Ritter Pharmaceuticals, Inc. was founded in 2004 and is headquartered in Los Angeles, California.Read More… Remove Ads Receive RTTR Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Ritter Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. Email Address RTTR Stock News HeadlinesFBI raids NY home of ex-UN weapons inspector Scott RitterAugust 9, 2024 | nypost.comDr. John D. RitterJanuary 24, 2024 | health.usnews.comThe Greatest "Income Opportunity" of 2025?It has been a wild couple of months so far. And not just in the markets. In our everyday lives. For me, it's highlighted the importance of investment income you can count on…even when life becomes unpredictable. Which is why I've put together this urgent presentation.March 31, 2025 | Behind the Markets (Ad)Kristen RitterSeptember 15, 2023 | health.usnews.comDr. Harold K. RitterJuly 8, 2023 | health.usnews.comDenver Business Journal welcomes new tech reporterJuly 1, 2023 | bizjournals.comJason Ritter and Drew Barrymore's raw conversation on her show may matter more than you thinkApril 10, 2023 | usatoday.comRitter Pharmaceuticals Changing the Game With Lactose Intolerance TreatmentMarch 29, 2023 | thestreet.comSee More Headlines RTTR Stock Analysis - Frequently Asked Questions How were Ritter Pharmaceuticals' earnings last quarter? Ritter Pharmaceuticals Inc (NASDAQ:RTTR) posted its quarterly earnings results on Friday, May, 1st. The biotechnology company reported ($0.05) earnings per share (EPS) for the quarter, missing the consensus estimate of ($0.04) by $0.01. When did Ritter Pharmaceuticals' stock split? Ritter Pharmaceuticals shares reverse split on the morning of Friday, March 23rd 2018. The 1-10 reverse split was announced on Thursday, March 22nd 2018. The number of shares owned by shareholders was adjusted after the closing bell on Thursday, March 22nd 2018. An investor that had 100 shares of stock prior to the reverse split would have 10 shares after the split. When did Ritter Pharmaceuticals IPO? Ritter Pharmaceuticals (RTTR) raised $20 million in an initial public offering on Wednesday, June 24th 2015. The company issued 4,000,000 shares at a price of $5.00 per share. Aegis Capital Corp and Chardan Capital Markets acted as the underwriters for the IPO and Barrington Research was co-manager. What other stocks do shareholders of Ritter Pharmaceuticals own? Based on aggregate information from My MarketBeat watchlists, some other companies that Ritter Pharmaceuticals investors own include Endologix (ELGX), Chipotle Mexican Grill (CMG), Aegean Marine Petroleum Network (ANW), APA (APA), Charles Schwab (SCHW), Genocea Biosciences (GNCA) and Hudson Technologies (HDSN). Company Calendar Last Earnings5/01/2020Today3/31/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry Pharmaceutical Preparations Sub-IndustryN/A Current SymbolNASDAQ:RTTR CIK1460702 Webwww.ritterpharmaceuticals.com Phone310-203-1000FaxN/AEmployees7Year FoundedN/AProfitability EPS (Most Recent Fiscal Year)N/A Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income$-10,130,000.00 Net MarginsN/A Pretax MarginN/A Return on EquityN/A Return on Assets-162.05% Debt Debt-to-Equity RatioN/A Current Ratio3.67 Quick Ratio3.67 Sales & Book Value Annual SalesN/A Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book Value$0.10 per share Price / Book38.00Miscellaneous Outstanding Shares46,153,000Free FloatN/AMarket Cap$175.38 million OptionableNot Optionable Beta-0.43 7 Stocks to Buy And Hold ForeverEnter your email address and we'll send you MarketBeat's list of seven stocks and why their long-term outlooks are very promising. Get This Free Report This page (NASDAQ:RTTR) was last updated on 3/31/2025 by MarketBeat.com Staff From Our PartnersA brutally honest economic warning for 2025 (see proof)New York Times best-selling financial author and world-renowned economist Addison Wiggin (a man who’s worked s...Banyan Hill Publishing | Sponsored$2 Trillion Disappears Because of Fed's Secretive New Move$2 trillion has disappeared from the US government's books. The reason why is a new, secretive move being c...Stansberry Research | SponsoredHas Trump finally met his match?Dylan Jovine predicted the 2008 crash over a year before it happened. Folks who listened to him had the chance...Behind the Markets | SponsoredCollect $7k per month from Tesla’s SECRET dividendTesla doesn't pay a traditional dividend.... 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