National Grid Transco (NGG) Institutional Ownership $70.86 -0.76 (-1.06%) Closing price 03:59 PM EasternExtended Trading$70.47 -0.39 (-0.54%) As of 04:55 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)336TotalInstitutional Inflows(last 12 months)$1.06BNumber ofInstitutional Sellers(last 12 months)189TotalInstitutional Outflows(last 12 months)$225.56M Get NGG Insider Trade Alerts Want to know when executives and insiders are buying or selling National Grid Transco stock? 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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 CompanyDetails9/12/2025 Valeo Financial Advisors LLC3,134$233K0.0%N/A0.000% 9/4/2025 Osaic Holdings Inc.111,083$7.60M0.0%+189.2%0.011% 8/27/2025 Orion Porfolio Solutions LLC42,157$3.14M0.0%+170.6%0.004% 8/19/2025 Cape Investment Advisory Inc.5,733$427K0.2%-24.0%0.001% 8/19/2025 Advisory Services Network LLC8,345$587K0.0%-71.4%0.001% 8/19/2025 Pitcairn Co.3,908$291K0.0%-10.6%0.000% 8/18/2025 Geneos Wealth Management Inc.651$48K0.0%+58.8%0.000% 8/16/2025 Evergreen Capital Management LLC6,115$455K0.0%+45.1%0.001% 8/16/2025 Headlands Technologies LLC16,073$1.20M0.1%N/A0.002% 8/15/2025 Captrust Financial Advisors24,861$1.85M0.0%+2.8%0.003% 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. 8/15/2025 Keel Point LLC2,927$218K0.0%N/A0.000% 8/15/2025 Vident Advisory LLC20,887$1.55M0.0%-2.4%0.002% 8/15/2025 Two Sigma Securities LLC7,058$525K0.1%N/A0.001% 8/15/2025 Smartleaf Asset Management LLC5,814$427K0.0%+63.9%0.001% 8/15/2025 Snowden Capital Advisors LLC7,863$601K0.0%+7.1%0.001% 8/15/2025 Orion Porfolio Solutions LLC28,968$2.16M0.0%+85.9%0.003% 8/15/2025 MML Investors Services LLC108,542$8.08M0.0%+17.6%0.011% 8/15/2025 Modern Wealth Management LLC3,415$254K0.0%N/A0.000% 8/15/2025 IHT Wealth Management LLC6,950$517K0.0%-5.0%0.001% 8/15/2025 Gallagher Fiduciary Advisors LLC11,044$822K0.0%-17.6%0.001% 8/15/2025 Benjamin Edwards Inc.24,551$1.83M0.0%+16.2%0.003% 8/15/2025 BNP Paribas Financial Markets116,019$8.63M0.0%+41.9%0.012% 8/15/2025 Bank of America Corp DE4,596,387$342.02M0.0%+21.5%0.469% 8/15/2025 Ameriprise Financial Inc.202,531$15.07M0.0%-13.0%0.021% 8/14/2025 Raymond James Financial Inc.1,671,746$124.40M0.0%+20.3%0.171% 8/14/2025 Transamerica Financial Advisors LLC2,338$174K0.0%+12.4%0.000% 8/14/2025 Quantinno Capital Management LP112,792$8.39M0.0%+65.7%0.012% 8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.35,750$2.66M0.0%-0.6%0.004% 8/14/2025 The Manufacturers Life Insurance Company 441,470$32.85M0.0%+0.1%0.045% 8/14/2025 Sei Investments Co.42,060$3.13M0.0%+80.7%0.004% 8/14/2025 Frisch Financial Group Inc.3,550$264K0.1%N/A0.000% 8/14/2025 NewEdge Advisors LLC9,395$699K0.0%+7.2%0.001% 8/14/2025 Bollard Group LLC22,057$1.64M0.0%+2.7%0.002% 8/14/2025 Cerity Partners LLC51,782$3.85M0.0%+7.5%0.005% 8/14/2025 Federated Hermes Inc.3,200,004$238.11M0.4%+2.1%0.326% 8/13/2025 Gabelli Funds LLC121,800$9.06M0.1%-7.0%0.012% 8/13/2025 Flow Traders U.S. LLC25,651$1.91M0.1%N/A0.003% 8/13/2025 Marshall Wace LLP97,607$7.26M0.0%N/A0.010% 8/13/2025 First Trust Advisors LP16,089$1.20M0.0%+4.2%0.002% 8/13/2025 Guggenheim Capital LLC13,076$973K0.0%+10.3%0.001% 8/13/2025 EverSource Wealth Advisors LLC3,563$265K0.0%+78.6%0.000% 8/13/2025 Invesco Ltd.336,069$25.01M0.0%-29.3%0.034% 8/13/2025 CW Advisors LLC5,071$377K0.0%+35.2%0.001% 8/13/2025 Beacon Pointe Advisors LLC4,671$348K0.0%+3.4%0.000% 8/13/2025 M&T Bank Corp67,547$5.03M0.0%+1.8%0.007% 8/13/2025 Fisher Asset Management LLC23,153$1.72M0.0%+58.6%0.002% 8/13/2025 Lido Advisors LLC3,044$232K0.0%N/A0.000% 8/13/2025 New York State Common Retirement Fund33,970$2.53M0.0%N/A0.003% 8/13/2025 Hsbc Holdings PLC4,820$354K0.0%-3.7%0.000% 8/13/2025 Level Four Advisory Services LLC5,692$424K0.0%+5.4%0.001% 8/13/2025 Northwestern Mutual Wealth Management Co.8,415$626K0.0%+2.9%0.001% 8/13/2025 Elevation Point Wealth Partners LLC2,184$163K0.0%N/A0.000% 8/13/2025 Quadrant Capital Group LLC36,107$2.69M0.1%+3.8%0.004% 8/13/2025 Wambolt & Associates LLC25,219$1.88M0.6%-6.4%0.003% 8/13/2025 Choreo LLC10,744$801K0.0%+22.7%0.001% 8/13/2025 Russell Investments Group Ltd.50,049$3.72M0.0%-31.3%0.005% 8/12/2025 J.W. Cole Advisors Inc.6,977$519K0.0%+6.2%0.001% 8/12/2025 Advisors Asset Management Inc.12,245$911K0.0%-12.6%0.001% 8/12/2025 XTX Topco Ltd46,629$3.47M0.1%N/A0.005% 8/12/2025 Steward Partners Investment Advisory LLC5,646$420K0.0%-7.5%0.001% 8/12/2025 Summit Global Investments53,559$3.99M0.2%+19.1%0.005% 8/12/2025 Global Retirement Partners LLC6,549$487K0.0%N/A0.001% 8/12/2025 Coldstream Capital Management Inc.6,648$495K0.0%+25.2%0.001% 8/12/2025 Quantum Private Wealth LLC7,841$583K0.2%-3.7%0.001% 8/12/2025 American Century Companies Inc.189,463$14.10M0.0%+10.2%0.019% 8/12/2025 Rhumbline Advisers16,538$1.23M0.0%-3.8%0.002% 8/12/2025 AlphaCore Capital LLC1,560$116K0.0%N/A0.000% 8/12/2025 Franklin Resources Inc.9,292$691K0.0%+75.2%0.001% 8/12/2025 Journey Strategic Wealth LLC4,599$342K0.0%N/A0.000% 8/12/2025 MAI Capital Management2,485$185K0.0%+49.2%0.000% 8/12/2025 JPMorgan Chase & Co.2,041,602$151.92M0.0%+23.0%0.208% 8/12/2025 Entropy Technologies LP10,343$770K0.1%-25.2%0.001% 8/11/2025 TD Waterhouse Canada Inc.1,975$147K0.0%+2,144.3%0.000% 8/11/2025 Frank Rimerman Advisors LLC3,187$237K0.0%N/A0.000% 8/11/2025 Intrust Bank NA18,672$1.39M0.1%+14.1%0.002% 8/11/2025 Integrated Quantitative Investments LLC33,970$2.53M0.7%N/A0.003% 8/8/2025 MTM Investment Management LLC964$72K0.0%N/A0.000% 8/8/2025 Rockefeller Capital Management L.P.11,801$878K0.0%N/A0.001% 8/8/2025 Cetera Investment Advisers117,252$8.73M0.0%-0.9%0.012% 8/8/2025 Creative Planning89,239$6.64M0.0%+23.3%0.009% 8/8/2025 Wrapmanager Inc.3,996$297K0.1%-5.2%0.000% 8/8/2025 L & S Advisors Inc39,579$2.95M0.3%N/A0.004% 8/8/2025 Bailard Inc.7,725$575K0.0%-4.6%0.001% 8/8/2025 ABC Arbitrage SA154,546$11.50M1.3%-35.4%0.016% 8/8/2025 PNC Financial Services Group Inc.63,405$4.72M0.0%+11.7%0.006% 8/8/2025 Wealth Alliance LLC27,280$2.03M0.2%+5.9%0.003% 8/8/2025 SBI Securities Co. Ltd.10,265$764K0.0%-10.8%0.001% 8/7/2025 Vise Technologies Inc.14,061$1.05M0.0%N/A0.001% 8/7/2025 Allworth Financial LP3,676$274K0.0%+43.4%0.000% 8/7/2025 Profund Advisors LLC10,294$766K0.0%+3.6%0.001% 8/7/2025 Zions Bancorporation National Association UT162,146$12.07M0.6%-0.6%0.017% 8/7/2025 Future Fund LLC6,594$491K0.2%N/A0.001% 8/7/2025 FDx Advisors Inc.4,009$298K0.1%-3.9%0.000% 8/7/2025 Parkside 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% (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, 472 institutional investors and hedge funds held shares of National Grid Transco. The most heavily invested institutionals were Bank of America Corp DE ($342.02M), FMR LLC ($265.19M), Federated Hermes Inc. ($238.11M), Renaissance Technologies LLC ($185.23M), JPMorgan Chase & Co. ($151.92M), Goldman Sachs Group Inc. ($132.06M), and Envestnet Asset Management Inc. ($132.06M).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 420 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. ($1.67M), Federated Hermes Inc. ($1.33M), Capital International Investors ($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 15,665,174 shares in the last 24 months. This purchase volume represents approximately $1.06B in transactions. Which of National Grid Transco's major shareholders have been selling company stock? Of the 189 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), Invesco Ltd. ($201.20K), and Capital International Investors ($143.43K). How much institutional selling is happening at National Grid Transco? Institutional investors have sold a total of 3,562,364 shares in the last 24 months. This volume of shares sold represents approximately $225.56M in transactions. Related Companies CEG Major Shareholders VST Major Shareholders EPD 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 9/16/2025 by MarketBeat.com Staff From Our PartnersWhy More Investors Are Using Family Trusts to Protect Their WealthFor many investors, a family trust can be an essential tool for protecting assets, avoiding probate, and ensur...SmartAsset | SponsoredFanatics Hit $31B-Is This Nasdaq Next?Fanatics built an empire by owning the fan experience-scaling to a $31B valuation. 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