National Grid Transco (NGG) Institutional Ownership $71.00 -1.08 (-1.50%) Closing price 03:59 PM EasternExtended Trading$71.08 +0.08 (+0.12%) As of 05:46 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 ForecastsChartCompetitorsDividendFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for National Grid Transco (NYSE:NGG)CurrentInstitutional OwnershipPercentage4.68%Number ofInstitutional Buyers(last 12 months)310TotalInstitutional Inflows(last 12 months)$972.88MNumber ofInstitutional Sellers(last 12 months)190TotalInstitutional Outflows(last 12 months)$225.89M Get NGG Insider Trade Alerts Want to know when executives and insiders are buying or selling National Grid Transco 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 NGG Institutional Buying and Selling by Quarter National Grid Transco Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/8/2025Bailard Inc.7,725$575K0.0%-4.6%0.001% 8/8/2025ABC Arbitrage SA154,546$11.50M1.3%-35.4%0.016% 8/8/2025PNC Financial Services Group Inc.63,405$4.72M0.0%+11.7%0.006% 8/8/2025Wealth Alliance LLC27,280$2.03M0.2%+5.9%0.003% 8/8/2025SBI Securities Co. Ltd.10,265$764K0.0%-10.8%0.001% 8/7/2025Vise Technologies Inc.14,061$1.05M0.0%N/A0.001% 8/7/2025Allworth Financial LP3,676$274K0.0%+43.4%0.000% 8/7/2025Profund Advisors LLC10,294$766K0.0%+3.6%0.001% 8/7/2025Zions Bancorporation National Association UT162,146$12.07M0.6%-0.6%0.017% 8/7/2025Future Fund LLC6,594$491K0.2%N/A0.001% Get the Latest News and Ratings for NGG and Related StocksEnter your email address below to receive the latest news and analysts' ratings for National Grid Transco and its competitors with MarketBeat's FREE daily newsletter. 8/7/2025FDx Advisors Inc.4,009$298K0.1%-3.9%0.000% 8/7/2025Parkside Financial Bank & Trust526$39K0.0%+100.0%0.000% 8/6/2025 AE Wealth Management LLC9,602$714K0.0%+4.6%0.001% 8/6/2025 Vestmark Advisory Solutions Inc.22,366$1.66M0.0%+8.4%0.002% 8/6/2025 Zevin Asset Management LLC71,955$5.35M0.8%N/A0.007% 8/6/2025 Savant Capital LLC4,705$350K0.0%N/A0.000% 8/6/2025 Yelin Lapidot Holdings Management Ltd.2,718$202K0.0%N/A0.000% 8/6/2025 First Horizon Advisors Inc.1,545$115K0.0%+25.9%0.000% 8/6/2025 Moors & Cabot Inc.6,128$456K0.0%+10.2%0.001% 8/5/2025 Prosperity Consulting Group LLC25,196$1.88M0.1%-8.6%0.003% 8/5/2025 Code Waechter LLC11,540$859K0.6%+37.9%0.001% 8/5/2025 Huntington National Bank501$37K0.0%+41.1%0.000% 8/5/2025 Bank of New York Mellon Corp347,391$25.85M0.0%+398.9%0.035% 8/5/2025 Bank of Montreal Can997,141$74.20M0.0%-1.7%0.102% 8/4/2025 Bay Colony Advisory Group Inc d b a Bay Colony Advisors11,680$869K0.1%+39.1%0.001% 8/4/2025 Lockheed Martin Investment Management Co.96,700$7.20M0.3%N/A0.010% 8/4/2025 AMG National Trust Bank27,592$2.05M0.1%+0.7%0.003% 8/4/2025 Simon Quick Advisors LLC3,708$276K0.0%N/A0.000% 8/4/2025 Atria Investments Inc81,160$6.04M0.1%+13.4%0.008% 8/4/2025 Savvy Advisors Inc.5,428$404K0.0%+15.3%0.001% 8/4/2025 Assetmark Inc.50,569$3.76M0.0%+11.7%0.005% 8/4/2025 Keybank National Association OH4,408$328K0.0%+7.8%0.000% 8/4/2025 HBK Sorce Advisory LLC7,398$550K0.0%+4.1%0.001% 8/4/2025 Hantz Financial Services Inc.4,340$323K0.0%+1,937.6%0.000% 8/4/2025 World Investment Advisors9,123$679K0.0%-19.5%0.001% 8/4/2025 Mayflower Financial Advisors LLC3,810$284K0.0%+4.4%0.000% 8/1/2025 May Hill Capital LLC3,286$245K0.1%N/A0.000% 8/1/2025 Envestnet Asset Management Inc.1,774,746$132.06M0.0%+29.3%0.181% 7/31/2025 Oppenheimer Asset Management Inc.132,847$9.89M0.1%+2,944.9%0.014% 7/31/2025 180 Wealth Advisors LLC3,882$289K0.0%-6.5%0.000% Trump set to Boost Social Security Checks by 400%? (Ad)If you're collecting or planning to collect social security... You should see this presentation about President Trump's Executive Order #14196. Legendary investor Louis Navellier believes it could soon not only save Social Security from collapse... But BOOST benefits for millions of retirees by up to 400%. No wonder the financial times called this new initiative...Click here to see the details because the stakes couldn't be any higher.7/30/2025 Bleakley Financial Group LLC14,559$1.08M0.0%+12.7%0.001% 7/30/2025 RNC Capital Management LLC5,740$427K0.0%+13.7%0.001% 7/30/2025 Freedom Investment Management Inc.3,917$291K0.0%-9.0%0.000% 7/30/2025 Ethic Inc.29,499$2.17M0.0%-8.6%0.003% 7/30/2025 Rehmann Capital Advisory Group5,850$435K0.0%N/A0.001% 7/30/2025 D.A. Davidson & CO.3,041$226K0.0%-16.7%0.000% 7/30/2025 Liberty One Investment Management LLC9,840$732K0.1%-9.9%0.001% 7/30/2025 Pittenger & Anderson Inc.42,765$3.18M0.1%+36.1%0.004% 7/29/2025 Stephens Inc. AR10,865$808K0.0%+3.6%0.001% 7/29/2025 Cidel Asset Management Inc.69,633$5.18M0.3%+21.6%0.007% 7/29/2025 Albert D Mason Inc.14,298$1.06M0.8%-11.1%0.001% 7/29/2025 Stratos Wealth Partners LTD.2,830$211K0.0%N/A0.000% 7/28/2025 Sagespring Wealth Partners LLC7,429$553K0.0%+81.9%0.001% 7/28/2025 TD Asset Management Inc19,997$1.49M0.0%+191.2%0.002% 7/28/2025 Naviter Wealth LLC22,373$1.71M0.2%+6.1%0.002% 7/25/2025 Verdence Capital Advisors LLC26,535$1.97M0.1%+1.3%0.003% 7/25/2025 Atria Wealth Solutions Inc.2,737$204K0.0%N/A0.000% 7/25/2025 Envestnet Portfolio Solutions Inc.53,039$3.95M0.0%+3.5%0.005% 7/25/2025 Sequoia Financial Advisors LLC16,989$1.26M0.0%+48.9%0.002% 7/25/2025 Yousif Capital Management LLC12,084$899K0.0%+8.3%0.001% 7/25/2025 MGO One Seven LLC5,158$384K0.0%N/A0.001% 7/25/2025 Allspring Global Investments Holdings LLC9,815$730K0.0%+3.5%0.001% 7/25/2025 CWM LLC16,290$1.21M0.0%+265.8%0.002% 7/25/2025 Vanguard Personalized Indexing Management LLC37,715$2.81M0.0%+29.1%0.004% 7/25/2025 Concurrent Investment Advisors LLC6,075$452K0.0%+58.1%0.001% 7/25/2025 Natural Investments LLC11,484$854K0.2%+1.6%0.001% 7/24/2025 Trust Co. of Toledo NA OH413$31K0.0%N/A0.000% 7/24/2025 Aberdeen Group plc8,200$610K0.0%+8.6%0.001% 7/24/2025 Eastern Bank652$49K0.0%-32.9%0.000% 7/24/2025 PDS Planning Inc3,673$273K0.0%+11.2%0.000% 7/24/2025 Blue Trust Inc.8,305$618K0.0%+155.6%0.001% 7/24/2025 Fourpath Capital Management LLC15,785$1.18M0.2%-3.2%0.002% 7/24/2025 IFP Advisors Inc540$40K0.0%-36.8%0.000% 7/24/2025 Callan Family Office LLC18,404$1.37M0.0%N/A0.002% 7/24/2025 US Bancorp DE39,115$2.91M0.0%+7.1%0.004% 7/23/2025 Abel Hall LLC3,639$271K0.1%N/A0.000% 7/23/2025 Venturi Wealth Management LLC7,629$568K0.0%+5.0%0.001% 7/23/2025 Kingswood Wealth Advisors LLC3,126$233K0.0%-48.4%0.000% 7/22/2025 Valeo Financial Advisors LLC3,126$233K0.0%N/A0.000% 7/22/2025 Plimoth Trust Co. LLC9,631$717K0.2%-1.9%0.001% 7/22/2025 DAVENPORT & Co LLC89,706$6.68M0.0%+10.1%0.009% 7/22/2025 Highland Capital Management LLC13,269$987K0.1%-3.0%0.001% 7/22/2025 Checchi Capital Advisers LLC3,483$259K0.0%+6.9%0.000% 7/21/2025 Hennessy Advisors Inc.211,044$15.70M0.5%+5.9%0.022% 7/21/2025 QRG Capital Management Inc.83,182$6.19M0.1%+50.0%0.008% 7/21/2025 Hilltop National Bank2,252$168K0.0%N/A0.000% 7/18/2025 Trust Co. of Vermont1,146$85K0.0%+526.2%0.000% 7/18/2025 PFG Investments LLC9,899$737K0.0%-2.5%0.001% 7/18/2025 Truist Financial Corp238,937$17.78M0.0%+0.2%0.024% 7/17/2025 Greenleaf Trust4,777$355K0.0%+18.6%0.000% Trump’s national nightmare is here (Ad)Porter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger the biggest forced rotation of capital since World War II. They reveal why Trump is mobilizing America’s tech giants… and name the two stocks most likely to soar as trillions shift behind the scenes.Watch the National Emergency broadcast here7/17/2025 Raleigh Capital Management Inc.31,148$2.32M1.0%+2.2%0.003% 7/17/2025 HB Wealth Management LLC10,820$805K0.0%+22.1%0.001% 7/17/2025 Janney Montgomery Scott LLC101,299$7.54M0.0%+6.3%0.010% 7/17/2025 FARMERS & MERCHANTS TRUST Co OF LONG BEACH3,709$276K0.1%N/A0.000% 7/17/2025 GC Wealth Management RIA LLC4,510$336K0.0%N/A0.000% 7/17/2025 V Square Quantitative Management LLC466$35K0.0%N/A0.000% 7/17/2025 First County Bank CT 12,756$949K0.5%-15.6%0.001% 7/17/2025 LVW Advisors LLC3,858$287K0.0%-7.0%0.000% 7/16/2025 Signaturefd LLC20,248$1.51M0.0%+11.7%0.002% 7/16/2025 Old Port Advisors49,772$3.70M1.0%+0.7%0.005% (Data available from 1/1/2016 forward) NGG Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of NGG shares? During the previous two years, 460 institutional investors and hedge funds held shares of National Grid Transco. The most heavily invested institutionals were FMR LLC ($265.19M), Federated Hermes Inc. ($205.59M), Bank of America Corp DE ($198.60M), Renaissance Technologies LLC ($185.23M), Goldman Sachs Group Inc. ($132.06M), Envestnet Asset Management Inc. ($132.06M), and Royal Bank of Canada ($123.38M).Learn more on National Grid Transco's institutional investors. What percentage of National Grid Transco's stock is owned by institutional investors? 4.68% of National Grid Transco's stock is owned by institutional investors. Learn more on NGG's institutional investor holdings. Which institutional investors have been buying National Grid Transco's stock? Of the 406 institutional investors that purchased National Grid Transco's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: FMR LLC ($2.53M), Raymond James Financial Inc. ($1.39M), Capital International Investors ($1.26M), Federated Hermes Inc. ($1.26M), Merewether Investment Management LP ($1.05M), Envestnet Asset Management Inc. ($916.16K), and Ausbil Investment Management Ltd ($895.95K). How much institutional buying is happening at National Grid Transco? Institutional investors have bought a total of 14,848,125 shares in the last 24 months. This purchase volume represents approximately $972.88M in transactions. Which of National Grid Transco's major shareholders have been selling company stock? Of the 188 institutional investors that sold National Grid Transco's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Federated Hermes Inc. ($575.72K), Nuveen Asset Management LLC ($212.92K), ABC Arbitrage SA ($210.76K), Connor Clark & Lunn Investment Management Ltd. ($208.96K), Bank of America Corp DE ($203.51K), Renaissance Technologies LLC ($197.20K), and Capital International Investors ($143.43K). How much institutional selling is happening at National Grid Transco? Institutional investors have sold a total of 3,641,713 shares in the last 24 months. This volume of shares sold represents approximately $225.89M in transactions. Related Companies CEG Major Shareholders EPD Major Shareholders VST Major Shareholders ET Major Shareholders AEP Major Shareholders TRP Major Shareholders EXC Major Shareholders XEL Major Shareholders VG Major Shareholders CQP Major Shareholders This page (NYSE:NGG) was last updated on 8/8/2025 by MarketBeat.com Staff From Our PartnersTrump set to Boost Social Security Checks by 400%?If you're collecting or planning to collect social security... 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