Nephros (NEPH) Institutional Ownership $1.64 +0.04 (+2.19%) As of 12:15 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Nephros (NASDAQ:NEPH)CurrentInstitutional OwnershipPercentage41.10%Number ofInstitutional Buyers(last 12 months)3TotalInstitutional Inflows(last 12 months)$688.12KNumber ofInstitutional Sellers(last 12 months)1TotalInstitutional Outflows(last 12 months)$25.14K Get NEPH Insider Trade Alerts Want to know when executives and insiders are buying or selling Nephros stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Skip Chart & View Institutional Buying and Selling Data NEPH Institutional Buying and Selling by Quarter Remove Ads Nephros Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails2/14/2025 Topline Capital Management LLC419,887$617K0.1%N/A3.984% 2/6/2025 Bard Associates Inc.155,271$228K0.1%-9.9%1.473% 8/9/2024 Dimensional Fund Advisors LP17,631$37K0.0%N/A0.167% 4/26/2024 Mesirow Financial Investment Management Inc.15,383$34K0.0%N/A0.146% 2/10/2023 Bard Associates Inc.194,789$225K0.1%-22.7%1.887% 11/15/2022 Elkhorn Partners Limited Partnership50,341$46K0.0%+48.1%0.488% 8/11/2022 Bard Associates Inc.263,754$404K0.2%+7.0%2.556% 8/1/2022Cowen Prime Advisors LLC42,500$65K0.0%-47.1%0.412% 5/23/2022 Cantor Fitzgerald L. P.12,813$56K0.0%N/A0.124% 5/11/2022 Bard Associates Inc.246,408$1.08M0.4%+6.0%2.388% Get the Latest News and Ratings for NEPH and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Nephros and its competitors with MarketBeat's FREE daily newsletter. 5/10/2022 Elkhorn Partners Limited Partnership23,712$104K0.1%+56.0%0.230% 5/2/2022Cowen Prime Advisors LLC80,400$354K0.1%-87.3%0.780% 2/19/2022 Wexford Capital LP3,650,529$646.53M27.0%N/A35.674% 2/14/2022 Elkhorn Partners Limited Partnership15,200$90K0.1%+78.8%0.149% 2/8/2022Cowen Prime Advisors LLC633,050$3.74M1.3%-4.1%6.186% 2/8/2022Samjo Capital LLC425,000$2.51M1.7%-22.7%4.153% 11/9/2021BlackRock Inc.18,079$158K0.0%-23.0%0.177% 11/2/2021Cowen Prime Advisors LLC660,150$5.79M2.2%+5.4%6.461% 8/17/2021 Wexford Capital LP3,631,197$36.85M5.6%+1.9%35.541% 8/13/2021 Vanguard Group Inc.99,936$1.01M0.0%+3.9%0.978% 8/12/2021 Bard Associates Inc.231,508$2.35M0.8%+5.5%2.266% 8/4/2021Cowen Prime Advisors LLC626,450$6.36M2.3%N/A6.290% 8/2/2021 Advisor Group Holdings Inc.4,574$46K0.0%+91,380.0%0.046% 5/21/2021 Citadel Advisors LLC18,421$123K0.0%N/A0.185% 5/18/2021 Millennium Management LLC18,909$126K0.0%-10.4%0.190% 5/18/2021 Citadel Advisors LLC18,421$123K0.0%N/A0.185% 5/13/2021 Wexford Capital LP3,564,530$23.70M3.5%+0.1%35.781% 5/7/2021BlackRock Inc.23,559$157K0.0%+20.9%0.237% 4/27/2021Cowen Prime Services LLC622,750$4.14M1.6%+8.3%6.258% (Data available from 1/1/2016 forward)Remove Ads NEPH Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of NEPH shares? During the previous two years, the following institutional investors and hedge funds held shares of Nephros shares: Topline Capital Management LLC ($617K), Bard Associates Inc. ($228K), and Dimensional Fund Advisors LP ($37K), Mesirow Financial Investment Management Inc. ($34K).Learn more on NEPH's institutional investors. What percentage of Nephros stock is owned by institutional investors? 41.10% of Nephros stock is owned by institutional investors. Learn more on NEPH's institutional investor holdings. Which institutional investors have been buying Nephros stock? The following institutional investors have purchased Nephros stock in the last 24 months: Topline Capital Management LLC ($419.89K), Dimensional Fund Advisors LP ($17.63K), and Mesirow Financial Investment Management Inc. ($15.38K). How much institutional buying is happening at Nephros? Institutional investors have bought a total of 452,901 shares in the last 24 months. This purchase volume represents approximately $688.12K in transactions. Which Nephros major shareholders have been selling company stock? The following institutional investors have sold Nephros stock in the last 24 months: Bard Associates Inc. ($17.10K). How much institutional selling is happening at Nephros? Institutional investors have sold a total of 17,100 shares in the last 24 months. This volume of shares sold represents approximately $25.14K in transactions. Related Companies Vivani Medical Institutional Ownership Fractyl Health Institutional Ownership iCAD Institutional Ownership Cytosorbents Institutional Ownership Microbot Medical Institutional Ownership Alpha Pro Tech Institutional Ownership Inovio Pharmaceuticals Institutional Ownership electroCore Institutional Ownership Safe Pro Group Inc. Common Stock Institutional Ownership Apyx Medical Institutional Ownership This page (NASDAQ:NEPH) was last updated on 3/27/2025 by MarketBeat.com Staff From Our PartnersA market crash is coming—here’s whenThe stock market cycle I've used to identify the most likely day of the next market crash is the exact same in...Chaikin Analytics | SponsoredYour Wealth is Under AttackPlease don't wait—this is your moment to take action. Download your Wealth Protection Guide now, claim your fr...American Alternative | SponsoredA 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. 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