Ironwood Pharmaceuticals (IRWD) Institutional Ownership $0.59 -0.06 (-9.72%) Closing price 04:00 PM EasternExtended Trading$0.60 +0.01 (+1.87%) As of 05:26 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Ironwood Pharmaceuticals (NASDAQ:IRWD)Number ofInstitutional Buyers(last 12 months)115TotalInstitutional Inflows(last 12 months)$127.73MNumber ofInstitutional Sellers(last 12 months)68TotalInstitutional Outflows(last 12 months)$130.02M 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 CompanyDetails5/21/2025McAdam LLC27,294$40K0.0%N/A0.017% 5/21/2025Acadian 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% 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% 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. 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% Elon just did WHAT!? 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But Trump stopped them cold on January 23rd, 2025, when he outlawed CBDCs… Paving the way for Elon Musk's secret master plan.Click here to see how to claim your stake before they launch to avoid missing out.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% 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% 2/14/2025 Jane Street Group LLC417,642$1.85M0.0%+29.0%0.261% 2/14/2025 Comerica Bank122,083$541K0.0%-18.7%0.076% 2/14/2025 Voleon Capital Management LP82,728$366K0.0%N/A0.052% 2/14/2025 PDT Partners LLC223,938$992K0.1%+720.3%0.140% 2/14/2025 Schonfeld Strategic Advisors LLC255,040$1.13M0.0%+40.4%0.159% 2/14/2025 Northern Trust Corp1,625,110$7.20M0.0%+7.9%1.016% 2/14/2025 Tudor Investment Corp ET AL26,066$115K0.0%-65.4%0.016% 2/14/2025 Boothbay Fund Management LLC12,970$57K0.0%N/A0.008% 2/14/2025 Virtus ETF Advisers LLC98,218$435K0.2%+78.3%0.061% 2/14/2025 Price T Rowe Associates Inc. MD95,898$425K0.0%-7.2%0.060% 2/14/2025 Dark Forest Capital Management LP53,776$238K0.0%-58.1%0.034% 2/14/2025 Hsbc Holdings PLC20,886$91K0.0%+88.9%0.013% 2/14/2025 Tower Research Capital LLC TRC17,521$78K0.0%+1,130.4%0.011% 2/14/2025 MetLife Investment Management LLC89,255$395K0.0%+10.6%0.056% 2/14/2025 MYDA Advisors LLC115,200$510K0.1%N/A0.072% 2/14/2025 Dimensional Fund Advisors LP218,422$968K0.0%+4.9%0.136% 2/13/2025 CANADA LIFE ASSURANCE Co129,507$573K0.0%-12.8%0.081% 2/13/2025 Walleye Capital LLC580,097$2.57M0.0%+107.0%0.362% 2/13/2025 XTX Topco Ltd45,881$203K0.0%N/A0.029% 2/13/2025 Mariner LLC105,964$469K0.0%+134.4%0.066% 2/13/2025 LSV Asset Management4,081,501$18.08M0.0%-19.2%2.550% 2/13/2025 Raymond James Financial Inc.15,295$68K0.0%N/A0.010% 2/13/2025 Renaissance Technologies LLC9,066,241$40.16M0.1%+5.5%5.665% 2/13/2025 Invesco Ltd.521,988$2.31M0.0%-1.1%0.326% 2/13/2025 Bank of Montreal Can24,758$110K0.0%+81.1%0.015% 2/13/2025 Federated Hermes Inc.370,476$1.64M0.0%N/A0.232% 2/13/2025 Russell Investments Group Ltd.420,451$1.86M0.0%-9.2%0.263% Trump wipes out trillions overnight… (Ad)Is there anybody more powerful than Donald Trump right now? In a single tariff announcement, he wiped out nearly $5 trillion in wealth from the S&P 500 and $6.4 trillion from the Dow Jones… Not to mention the countless trillions of dollars lost in every market around the world… leaving the major political powers scrambling in fear of Trump’s next move.Whether you take some of that wealth for yourself depends on if you watch this controversial exposé 2/13/2025 Envestnet Asset Management Inc.11,272$50K0.0%N/A0.007% 2/13/2025 Old West Investment Management LLC62,119$275K0.1%-8.6%0.039% 2/12/2025 RPO LLC17,293$77K0.1%N/A0.011% 2/12/2025 Headlands Technologies LLC20,185$89K0.0%-63.4%0.013% 2/12/2025 Geode Capital Management LLC3,306,570$14.65M0.0%+0.4%2.066% 2/12/2025 Norges Bank252,291$1.12M0.0%N/A0.158% 2/11/2025 EntryPoint Capital LLC62,913$279K0.1%+277.5%0.039% 2/11/2025 Corebridge Financial Inc.75,304$334K0.0%-7.2%0.047% 2/11/2025 Vanguard Group Inc.19,538,555$86.56M0.0%-11.3%12.209% 2/11/2025 KLP Kapitalforvaltning AS24,200$107K0.0%N/A0.015% (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, 230 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), Armistice Capital LLC ($20.14M), and LSV Asset Management ($18.08M).Learn more on IRWD's institutional investors. Which institutional investors have been buying Ironwood Pharmaceuticals stock? Of the 186 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 ($12.33M), Pacer Advisors Inc. ($4.73M), Vanguard Group Inc. ($4.67M), Millennium Management LLC ($4.14M), Jacobs Levy Equity Management Inc. ($3.60M), Jane Street Group LLC ($3.35M), and Renaissance Technologies LLC ($2.62M). How much institutional buying is happening at Ironwood Pharmaceuticals? Institutional investors have bought a total of 74,559,233 shares in the last 24 months. This purchase volume represents approximately $460.53M in transactions. Which Ironwood Pharmaceuticals major shareholders have been selling company stock? Of the 117 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), Bank of Montreal Can ($8.42M), Vanguard Group Inc. ($6.34M), Jacobs Levy Equity Management Inc. ($2.78M), LSV Asset Management ($2.57M), Dimensional Fund Advisors LP ($2.44M), and Royce & Associates LP ($1.60M). How much institutional selling is happening at Ironwood Pharmaceuticals? Institutional investors have sold a total of 49,653,442 shares in the last 24 months. This volume of shares sold represents approximately $259.72M in transactions. 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