Ironwood Pharmaceuticals (IRWD) Institutional Ownership $1.27 +0.09 (+7.63%) Closing price 08/22/2025 04:00 PM EasternExtended Trading$1.27 0.00 (0.00%) As of 08/22/2025 07:59 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Ironwood Pharmaceuticals (NASDAQ:IRWD)Number ofInstitutional Buyers(last 12 months)111TotalInstitutional Inflows(last 12 months)$99.22MNumber ofInstitutional Sellers(last 12 months)61TotalInstitutional Outflows(last 12 months)$68.59M Get IRWD Insider Trade Alerts Want to know when executives and insiders are buying or selling Ironwood Pharmaceuticals stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data IRWD Institutional Buying and Selling by Quarter Ironwood Pharmaceuticals Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/19/2025 State of Wyoming205,644$147K0.0%+249.9%0.127% 8/15/2025 Captrust Financial Advisors44,447$32K0.0%N/A0.027% 8/15/2025 Tidal Investments LLC310,079$222K0.0%N/A0.192% 8/15/2025 Man Group plc234,257$168K0.0%-29.8%0.145% 8/15/2025 Engineers Gate Manager LP73,354$53K0.0%+369.2%0.045% 8/15/2025 Bridgeway Capital Management LLC75,000$54K0.0%+141.9%0.046% 8/15/2025 Bank of America Corp DE3,357,872$2.41M0.0%+135.1%2.075% 8/15/2025 AQR Capital Management LLC6,165,637$4.42M0.0%+144.3%3.810% 8/14/2025 Jane Street Group LLC1,745,122$1.25M0.0%-50.3%1.078% 8/14/2025 Armistice Capital LLC16,150,000$11.58M0.2%+17.9%9.980% Get the Latest News and Ratings for IRWD and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Ironwood Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 8/14/2025 Sei Investments Co.683,604$490K0.0%+381.8%0.422% 8/14/2025 Qube Research & Technologies Ltd3,351,002$2.40M0.0%+1.3%2.071% 8/14/2025 Cerity Partners LLC339,689$244K0.0%+252.1%0.210% 8/14/2025 Federated Hermes Inc.2,177,038$1.56M0.0%+66.8%1.345% 8/13/2025 Amundi755,536$559K0.0%+979.6%0.467% 8/13/2025 Marshall Wace LLP3,993,557$2.88M0.0%+616.3%2.468% 8/13/2025 Invesco Ltd.322,147$231K0.0%+17.0%0.199% 8/13/2025 State Board of Administration of Florida Retirement System44,394$32K0.0%-84.8%0.027% 8/11/2025 LSV Asset Management2,750,200$1.97M0.0%-31.2%1.700% 8/11/2025 Universal Beteiligungs und Servicegesellschaft mbH526,775$378K0.0%+26.0%0.326% 8/8/2025 Geode Capital Management LLC3,499,332$2.51M0.0%+2.4%2.162% 8/7/2025 Acadian Asset Management LLC6,549,687$4.69M0.0%+147.6%4.048% 8/7/2025 Connor Clark & Lunn Investment Management Ltd.2,206,948$1.58M0.0%+48.3%1.364% 8/7/2025 Los Angeles Capital Management LLC1,211,155$869K0.0%+76.1%0.748% 8/6/2025 Savant Capital LLC267,776$192K0.0%+134.2%0.165% 8/1/2025 OVERSEA CHINESE BANKING Corp Ltd35,016$25K0.0%N/A0.022% 7/31/2025 Focus Partners Advisor Solutions LLC39,743$29K0.0%+284.6%0.025% 7/31/2025 R Squared Ltd38,765$28K0.0%+286.5%0.024% 7/25/2025 CWM LLC182,774$131K0.0%+220.7%0.113% 7/25/2025 Vanguard Personalized Indexing Management LLC50,677$36K0.0%N/A0.031% 7/24/2025 Inspire Investing LLC552,420$396K0.0%+138.3%0.341% 7/23/2025 KLP Kapitalforvaltning AS174,200$125K0.0%-12.2%0.108% 7/10/2025 Wealth Enhancement Advisory Services LLC125,460$96K0.0%+425.2%0.078% 7/9/2025 Pallas Capital Advisors LLC79,512$57K0.0%+454.5%0.049% 6/3/2025 Inspire Investing LLC231,825$341K0.0%+159.7%0.143% 5/29/2025 Rhumbline Advisers208,043$306K0.0%-40.2%0.129% 5/28/2025 Strs Ohio76,600$113K0.0%N/A0.047% 5/21/2025 McAdam LLC27,294$40K0.0%N/A0.017% 5/21/2025 Acadian Asset Management LLC2,645,189$3.88M0.0%+160.7%1.635% 5/19/2025 Jane Street Group LLC3,510,117$5.16M0.0%+740.5%2.169% When the levee breaks (Ad)The U.S. Treasury just confirmed it plans to borrow $1.01 trillion this quarter—nearly double what was projected. According to Porter Stansberry, this is panic-level borrowing… and a clear sign we’re nearing America’s financial breaking point. In his latest emergency briefing, Porter outlines why the cracks in our system are widening fast—and how Trump’s policies may be accelerating the collapse. More importantly, he reveals three moves you can make now to protect and potentially grow your wealth before the levee breaks.Click here to watch the urgent broadcast and get ahead of what’s coming.5/16/2025 Voleon Capital Management LP 870,629$1.28M0.1%+952.4%0.538% 5/16/2025 Goldman Sachs Group Inc.1,575,416$2.32M0.0%+72.1%0.974% 5/16/2025 Dynamic Technology Lab Private Ltd38,610$57K0.0%N/A0.024% 5/16/2025 Parkman Healthcare Partners LLC205,086$301K0.0%-49.8%0.127% 5/16/2025 Millennium Management LLC6,359,682$9.35M0.0%+186.6%3.930% 5/16/2025 Jacobs Levy Equity Management Inc.1,580,320$2.32M0.0%-56.4%0.977% 5/16/2025 AQR Capital Management LLC2,523,875$3.71M0.0%+535.8%1.560% 5/15/2025 Armistice Capital LLC13,700,000$20.14M0.3%+44.7%8.467% 5/15/2025 State of Wyoming58,775$86K0.0%+40.4%0.036% 5/14/2025 Ieq Capital LLC185,728$273K0.0%N/A0.115% 5/14/2025 Old West Investment Management LLC108,211$159K0.1%+74.2%0.067% 5/14/2025 MetLife Investment Management LLC67,229$99K0.0%-24.7%0.042% 5/14/2025 Walleye Capital LLC431,410$634K0.0%-25.6%0.267% 5/14/2025 EntryPoint Capital LLC215,843$317K0.1%+243.1%0.133% 5/13/2025 Russell Investments Group Ltd.218,028$320K0.0%-48.1%0.135% 5/12/2025 Nuveen LLC471,361$693K0.0%N/A0.291% 5/12/2025 Invesco Ltd.275,253$405K0.0%-47.3%0.170% 5/12/2025 Connor Clark & Lunn Investment Management Ltd.1,488,044$2.19M0.0%+335.8%0.920% 5/9/2025 Charles Schwab Investment Management Inc.2,647,015$3.89M0.0%+33.5%1.636% 5/9/2025 Vanguard Group Inc.15,696,161$23.07M0.0%-19.7%9.700% 5/8/2025 XTX Topco Ltd552,613$812K0.0%+1,104.4%0.342% 5/8/2025 GSA Capital Partners LLP524,676$771K0.1%+3,683.6%0.324% 5/8/2025 Federated Hermes Inc.1,305,362$1.92M0.0%+252.3%0.807% 5/6/2025 Pacer Advisors Inc.1,789,098$2.63M0.0%-84.7%1.106% 5/6/2025 KLP Kapitalforvaltning AS198,400$292K0.0%+719.8%0.123% 5/6/2025 Y Intercept Hong Kong Ltd39,782$58K0.0%+162.6%0.025% 5/5/2025 Allianz Asset Management GmbH293,100$431K0.0%+411.5%0.181% 5/2/2025 Victory Capital Management Inc.18,714$28K0.0%-91.2%0.012% 5/1/2025 CWM LLC57,001$84K0.0%+801.1%0.035% 4/30/2025 Cerity Partners LLC96,478$142K0.0%N/A0.060% 4/30/2025 Alps Advisors Inc.116,860$172K0.0%-9.7%0.072% 4/29/2025 Bank of New York Mellon Corp499,613$734K0.0%-48.9%0.309% 4/28/2025 Principal Financial Group Inc.92,382$136K0.0%-87.9%0.057% 4/17/2025 Exchange Traded Concepts LLC178,523$262K0.0%+173.5%0.110% 4/15/2025 Simplicity Wealth LLC30,324$45K0.0%N/A0.019% 4/8/2025 Rhumbline Advisers208,043$306K0.0%-40.2%0.129% 3/17/2025 Wealth Enhancement Advisory Services LLC13,235$59K0.0%N/A0.008% 2/28/2025 Universal Beteiligungs und Servicegesellschaft mbH426,138$1.89M0.0%N/A0.266% 2/19/2025 Public Employees Retirement System of Ohio100,172$444K0.0%-8.8%0.063% 2/17/2025 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC286,990$1.27M0.0%+6.4%0.179% 2/17/2025 Two Sigma Advisers LP1,234,000$5.47M0.0%-2.1%0.771% 2/17/2025 Two Sigma Investments LP863,428$3.83M0.0%-3.1%0.540% 2/17/2025 State of Wyoming41,858$185K0.0%+37.8%0.026% 2/17/2025 Stonepine Capital Management LLC648,785$2.87M2.3%-35.1%0.405% 2/17/2025 Rafferty Asset Management LLC236,732$1.05M0.0%-40.3%0.148% 2/17/2025 Point72 Asia Singapore Pte. Ltd.8,022$36K0.0%N/A0.005% 2/17/2025 ProShare Advisors LLC50,204$222K0.0%+28.9%0.031% 2/17/2025 Parkman Healthcare Partners LLC408,535$1.81M0.2%-10.3%0.255% 2/17/2025 Man Group plc354,824$1.57M0.0%-60.3%0.222% 2/17/2025 Nomura Holdings Inc.23,852$106K0.0%N/A0.015% When the levee breaks (Ad)The U.S. Treasury just confirmed it plans to borrow $1.01 trillion this quarter—nearly double what was projected. According to Porter Stansberry, this is panic-level borrowing… and a clear sign we’re nearing America’s financial breaking point. In his latest emergency briefing, Porter outlines why the cracks in our system are widening fast—and how Trump’s policies may be accelerating the collapse. More importantly, he reveals three moves you can make now to protect and potentially grow your wealth before the levee breaks.Click here to watch the urgent broadcast and get ahead of what’s coming.2/17/2025 OMERS ADMINISTRATION Corp215,110$953K0.0%-32.9%0.134% 2/17/2025 Jacobs Levy Equity Management Inc.3,623,026$16.05M0.1%-15.1%2.264% 2/17/2025 Graham Capital Management L.P.63,032$279K0.0%-41.6%0.039% 2/17/2025 Deutsche Bank AG1,567,535$6.94M0.0%+47.4%0.980% 2/17/2025 Caption Management LLC50,000$222K0.0%N/A0.031% 2/17/2025 Bridgeway Capital Management LLC31,000$137K0.0%-90.0%0.019% 2/17/2025 Bank of America Corp DE678,145$3.00M0.0%+61.6%0.424% 2/17/2025 BNP Paribas Financial Markets122,640$543K0.0%-20.7%0.077% 2/17/2025 Ameriprise Financial Inc.565,618$2.51M0.0%-5.4%0.353% 2/17/2025 AXA S.A.288,471$1.28M0.0%N/A0.180% (Data available from 1/1/2016 forward) IRWD Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of IRWD shares? During the previous two years, 222 institutional investors and hedge funds held shares of Ironwood Pharmaceuticals. The most heavily invested institutionals were State Street Corp ($40.87M), Renaissance Technologies LLC ($40.16M), Adage Capital Partners GP L.L.C. ($23.71M), Brown Capital Management LLC ($23.52M), Vanguard Group Inc. ($23.07M), Kynam Capital Management LP ($14.15M), and Hotchkis & Wiley Capital Management LLC ($13.05M).Learn more on Ironwood Pharmaceuticals' institutional investors. Which institutional investors have been buying Ironwood Pharmaceuticals' stock? Of the 184 institutional investors that purchased Ironwood Pharmaceuticals' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Armistice Capital LLC ($14.78M), AQR Capital Management LLC ($5.98M), Acadian Asset Management LLC ($5.54M), Vanguard Group Inc. ($4.67M), Pacer Advisors Inc. ($4.52M), Millennium Management LLC ($4.14M), and Jacobs Levy Equity Management Inc. ($3.60M). How much institutional buying is happening at Ironwood Pharmaceuticals? Institutional investors have bought a total of 55,155,380 shares in the last 24 months. This purchase volume represents approximately $99.22M in transactions. Which of Ironwood Pharmaceuticals' major shareholders have been selling company stock? Of the 61 institutional investors that sold Ironwood Pharmaceuticals' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Pacer Advisors Inc. ($9.94M), Vanguard Group Inc. ($6.34M), Jacobs Levy Equity Management Inc. ($2.78M), LSV Asset Management ($2.22M), Jane Street Group LLC ($1.76M), Principal Financial Group Inc. ($792.17K), and Hodges Capital Management Inc. ($693.50K). How much institutional selling is happening at Ironwood Pharmaceuticals? Institutional investors have sold a total of 30,703,075 shares in the last 24 months. This volume of shares sold represents approximately $68.59M in transactions. Related Companies AbbVie Major Shareholders Myriad Genetics Major Shareholders Verastem Major Shareholders Emergent Biosolutions Major Shareholders Lexicon Pharmaceuticals Major Shareholders XOMA Royalty Major Shareholders Codexis Major Shareholders Crescent Biopharma Major Shareholders Vanda Pharmaceuticals Major Shareholders Sangamo Therapeutics Major Shareholders This page (NASDAQ:IRWD) was last updated on 8/24/2025 by MarketBeat.com Staff From Our PartnersGENIUS Act: Cancel Your Money?A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. B...Priority Gold | SponsoredEveryone’s watching Nvidia right now. 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