Rockwell Medical (RMTI) Institutional Ownership $1.14 -0.02 (-1.30%) Closing price 08/22/2025 04:00 PM EasternExtended Trading$1.16 +0.02 (+1.75%) As of 08/22/2025 06:54 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 Rockwell Medical (NASDAQ:RMTI)CurrentInstitutional OwnershipPercentage23.31%Number ofInstitutional Buyers(last 12 months)19TotalInstitutional Inflows(last 12 months)$3.27MNumber ofInstitutional Sellers(last 12 months)11TotalInstitutional Outflows(last 12 months)$3.20M Get RMTI Insider Trade Alerts Want to know when executives and insiders are buying or selling Rockwell Medical stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data RMTI Institutional Buying and Selling by Quarter Rockwell Medical Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/14/2025 Globeflex Capital L P312,055$265K0.0%-58.0%0.913% 8/14/2025 Armistice Capital LLC2,149,471$1.82M0.0%-9.2%6.291% 8/13/2025 Marshall Wace LLP173,779$148K0.0%-47.9%0.509% 8/13/2025 Panagora Asset Management Inc.48,398$41K0.0%N/A0.142% 6/27/2025 Goldman Sachs Group Inc.40,122$45K0.0%-51.5%0.117% 5/16/2025 Goldman Sachs Group Inc.40,122$45K0.0%-51.5%0.117% 5/15/2025 Armistice Capital LLC2,366,144$2.67M0.0%-22.3%6.924% 5/15/2025 Corsair Capital Management L.P.55,000$62K0.0%-26.7%0.161% 2/17/2025 Millennium Management LLC74,345$152K0.0%-49.5%0.230% 2/14/2025 Two Sigma Securities LLC16,280$33K0.0%N/A0.050% Get the Latest News and Ratings for RMTI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Rockwell Medical and its competitors with MarketBeat's FREE daily newsletter. 2/14/2025 Dimensional Fund Advisors LP71,623$146K0.0%N/A0.222% 2/13/2025 Marshall Wace LLP596,359$1.22M0.0%+17.2%1.845% 2/13/2025 XTX Topco Ltd44,962$92K0.0%+58.0%0.139% 2/13/2025 Barclays PLC28,854$59K0.0%+27.5%0.089% 2/13/2025 Raymond James Financial Inc.13,482$28K0.0%N/A0.042% 2/13/2025 Renaissance Technologies LLC442,350$902K0.0%+285.8%1.369% 2/12/2025 Geode Capital Management LLC320,416$654K0.0%+4.3%0.991% 2/12/2025 Arrowstreet Capital Limited Partnership106,135$217K0.0%-26.6%0.328% 2/11/2025 Perkins Capital Management Inc.73,967$151K0.1%-78.9%0.229% 2/11/2025 LPL Financial LLC54,872$112K0.0%+91.3%0.170% 2/11/2025 Richmond Brothers Inc.32,682$67K0.0%-86.9%0.101% 2/6/2025 Raymond James Financial Inc.13,482$28K0.0%N/A0.042% 1/24/2025 SkyOak Wealth LLC12,300$25K0.0%-50.9%0.038% 12/26/2024 JPMorgan Chase & Co.47,074$187K0.0%+134,397.1%0.146% 11/19/2024 Barclays PLC22,625$90K0.0%N/A0.070% 11/15/2024 Barclays PLC22,625$90K0.0%N/A0.070% 11/15/2024 XTX Topco Ltd28,455$113K0.0%+45.7%0.088% 11/15/2024 Jane Street Group LLC134,390$534K0.0%N/A0.416% 11/15/2024 State Street Corp95,004$377K0.0%+21.5%0.294% 11/15/2024 HighTower Advisors LLC57,413$228K0.0%+75.6%0.178% 11/14/2024 Walleye Capital LLC109,561$435K0.0%N/A0.353% 11/14/2024 Corsair Capital Management L.P.75,000$298K0.1%N/A0.242% 11/5/2024 Verus Capital Partners LLC12,800$51K0.0%N/A0.041% 11/5/2024 GSA Capital Partners LLP88,590$352K0.0%-51.2%0.285% 10/31/2024 Concurrent Investment Advisors LLC10,000$40K0.0%N/A0.032% 10/30/2024 Beacon Financial Advisory LLC24,645$98K0.0%N/A0.079% 8/15/2024 Armistice Capital LLC3,221,640$5.67M0.1%+22.5%10.627% 8/12/2024 Richmond Brothers Inc.276,828$487K1.0%-14.1%0.913% 8/12/2024 XTX Topco Ltd19,533$34K0.0%-39.7%0.064% 8/9/2024 Renaissance Technologies LLC102,700$181K0.0%+877.1%0.339% Alex’s “Next Magnificent Seven” stocks (Ad)The original “Magnificent Seven” turned $7K into $1.18 million. Now, Alex Green has identified AI’s Next Magnificent Seven—seven stocks he believes could deliver similar gains in under six years. His full breakdown is now live.Watch the “Next Magnificent Seven” presentation here5/10/2024 Vanguard Group Inc.1,118,277$1.86M0.0%+4.0%3.808% 5/10/2024 Richmond Brothers Inc.322,251$535K1.0%-21.9%1.097% 4/30/2024 SkyOak Wealth LLC25,110$42K0.0%+47.3%0.086% 2/13/2024 Armistice Capital LLC1,852,000$3.50M0.0%-34.3%6.501% 2/5/2024 WealthTrust Axiom LLC31,500$60K0.0%+49.3%0.111% 1/22/2024 Perkins Capital Management Inc.349,934$661K0.6%+366.3%1.228% 1/16/2024Raymond James & Associates220,979$418K0.0%+15.9%0.776% 11/15/2023 Armistice Capital LLC2,817,000$5.86M0.1%+631.7%9.888% 11/13/2023ClariVest Asset Management LLC134,200$279K0.0%N/A0.471% 11/7/2023 Great Valley Advisor Group Inc.17,961$37K0.0%N/A0.063% 11/3/2023 Richmond Brothers Inc.410,352$854K1.6%-2.9%1.440% 11/3/2023 WealthTrust Axiom LLC21,100$44K0.0%N/A0.074% 10/24/2023Raymond James & Associates190,670$397K0.0%+298.7%0.669% 9/8/2023Tucker Asset Management LLC52,049$284K0.1%N/A0.183% 8/11/2023 Richmond Brothers Inc.422,624$2.31M3.7%-7.3%3.075% 8/7/2023 Acadian Asset Management LLC13,852$75K0.0%N/A0.101% 7/27/2023 Virtu Financial LLC32,020$175K0.0%N/A0.233% 7/25/2023Raymond James & Associates47,820$261K0.0%-20.1%0.348% 7/25/2023 Ameritas Advisory Services LLC10,563$54K0.0%N/A0.077% 7/21/2023 Perkins Capital Management Inc.80,043$437K0.4%-75.2%0.583% 7/18/2023 Stratos Wealth Partners LTD.150,176$820K0.0%N/A1.093% 5/10/2023 Richmond Brothers Inc.455,938$825K1.4%-19.6%3.633% 5/8/2023 Sigma Planning Corp25,268$46K0.0%N/A0.201% 4/24/2023 Verdence Capital Advisors LLC13,697$25K0.0%-78.5%0.109% 4/14/2023Raymond James & Associates59,820$108K0.0%N/A0.477% 2/8/2023 Richmond Brothers Inc.567,373$576K0.8%-9.2%6.029% 1/26/2023 Perkins Capital Management Inc.326,270$331K0.3%+3.9%3.468% 11/15/2022 Verdence Capital Advisors LLC63,689$84K0.0%-11.2%0.677% 11/14/2022 Armistice Capital LLC959,000$1.27M0.0%+364.4%10.195% 11/2/2022 Richmond Brothers Inc.624,695$724K0.8%-2.2%6.639% 10/24/2022 Perkins Capital Management Inc.313,903$414K0.5%-11.6%3.337% 8/12/2022 Richmond Brothers Inc.638,985$717K0.7%-90.7%6.790% 8/8/2022 Verdence Capital Advisors LLC71,689$92K0.0%-86.6%0.762% 7/29/2022 Perkins Capital Management Inc.355,052$458K0.5%-91.4%3.783% 7/26/2022 SkyOak Wealth LLC19,545$25K0.0%-90.9%0.208% 5/5/2022 Richmond Brothers Inc.6,897,427$3.24M2.5%-1.8%7.338% 5/2/2022 Verdence Capital Advisors LLC535,591$252K0.0%+20.8%0.570% 4/20/2022 Perkins Capital Management Inc.4,130,175$1.95M1.6%+39.7%4.394% 2/10/2022 Richmond Brothers Inc.7,023,717$2.85M2.0%N/A7.475% 2/10/2022 Perkins Capital Management Inc.2,957,025$1.21M0.8%+34.5%3.147% 1/26/2022 Verdence Capital Advisors LLC443,545$182K0.0%+25.1%0.472% 11/15/2021 Marshall Wace LLP42,111$25K0.0%N/A0.045% 11/5/2021 Sigma Investment Counselors Inc.142,834$85K0.0%+26.7%0.152% 10/25/2021 Perkins Capital Management Inc.2,198,625$1.31M0.8%-20.8%2.342% 10/21/2021 SkyOak Wealth LLC242,444$144K0.0%+22.1%0.258% 9/17/2021 Virtu Financial LLC138,976$126K0.0%+551.1%0.148% 8/17/2021 Millennium Management LLC1,107,806$1.01M0.0%N/A1.183% 8/17/2021 Price T Rowe Associates Inc. MD265,890$242K0.0%-16.1%0.284% 8/17/2021 Bridgeway Capital Management LLC230,600$210K0.0%-35.8%0.246% 8/16/2021 AQR Capital Management LLC83,668$76K0.0%-88.6%0.089% Alex’s “Next Magnificent Seven” stocks (Ad)The original “Magnificent Seven” turned $7K into $1.18 million. Now, Alex Green has identified AI’s Next Magnificent Seven—seven stocks he believes could deliver similar gains in under six years. His full breakdown is now live.Watch the “Next Magnificent Seven” presentation here8/16/2021 LMR Partners LLP37,473$34K0.0%N/A0.040% 8/16/2021 State Street Corp190,377$173K0.0%-82.8%0.203% 8/16/2021Tibra Equities Europe Ltd366,900$334K0.1%N/A0.392% 8/16/2021Nuveen Asset Management LLC200,074$182K0.0%-23.2%0.214% 8/16/2021 Goldman Sachs Group Inc.147,204$134K0.0%+23.2%0.157% 8/13/2021 Renaissance Technologies LLC393,471$358K0.0%-71.2%0.420% 8/13/2021 Northern Trust Corp178,895$163K0.0%-77.2%0.191% 8/13/2021 Geode Capital Management LLC711,373$647K0.0%-42.8%0.760% 8/12/2021 JPMorgan Chase & Co.234,602$213K0.0%+74.7%0.251% 8/12/2021Ergoteles LLC177,384$161K0.0%N/A0.189% (Data available from 1/1/2016 forward) RMTI Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of RMTI shares? During the previous two years, 34 institutional investors and hedge funds held shares of Rockwell Medical. The most heavily invested institutionals were Vanguard Group Inc. ($1.86M), Armistice Capital LLC ($1.82M), Renaissance Technologies LLC ($902K), Geode Capital Management LLC ($654K), Jane Street Group LLC ($534K), Walleye Capital LLC ($435K), and Raymond James & Associates ($418K).Learn more on Rockwell Medical's institutional investors. What percentage of Rockwell Medical's stock is owned by institutional investors? 23.31% of Rockwell Medical's stock is owned by institutional investors. Learn more on RMTI's institutional investor holdings. Which institutional investors have been buying Rockwell Medical's stock? Of the 28 institutional investors that purchased Rockwell Medical's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Armistice Capital LLC ($3.02M), Renaissance Technologies LLC ($419.87K), Perkins Capital Management Inc. ($274.89K), Raymond James & Associates ($173.16K), Jane Street Group LLC ($134.39K), ClariVest Asset Management LLC ($134.20K), and Walleye Capital LLC ($109.56K). How much institutional buying is happening at Rockwell Medical? Institutional investors have bought a total of 1,149,799 shares in the last 24 months. This purchase volume represents approximately $3.27M in transactions. Which of Rockwell Medical's major shareholders have been selling company stock? Of the 11 institutional investors that sold Rockwell Medical's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Armistice Capital LLC ($894.21K), Globeflex Capital L P ($431.20K), Perkins Capital Management Inc. ($276.41K), Richmond Brothers Inc. ($217.19K), Marshall Wace LLP ($159.82K), GSA Capital Partners LLP ($92.77K), and Goldman Sachs Group Inc. ($85.11K). How much institutional selling is happening at Rockwell Medical? Institutional investors have sold a total of 2,300,684 shares in the last 24 months. This volume of shares sold represents approximately $3.20M in transactions. Related Companies Abbott Laboratories Major Shareholders Intuitive Surgical Major Shareholders Boston Scientific Major Shareholders Stryker Major Shareholders Medtronic Major Shareholders Becton, Dickinson and Company Major Shareholders IDEXX Laboratories Major Shareholders Edwards Lifesciences Major Shareholders ResMed Major Shareholders DexCom Major Shareholders This page (NASDAQ:RMTI) was last updated on 8/23/2025 by MarketBeat.com Staff From Our PartnersBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist ...Goldco Precious Metals | SponsoredAlex’s “Next Magnificent Seven” stocksThe original “Magnificent Seven” turned $7K into $1.18 million. 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