This company has been marked as potentially delisted and may not be actively trading. National Interstate (NATL) Institutional Ownership Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for National Interstate (NASDAQ:NATL)CurrentInstitutional OwnershipPercentage88.66%Number ofInstitutional Buyers(last 12 months)6TotalInstitutional Inflows(last 12 months)$11.61MNumber ofInstitutional Sellers(last 12 months)8TotalInstitutional Outflows(last 12 months)$18.85M Get NATL Insider Trade Alerts Want to know when executives and insiders are buying or selling National Interstate 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 NATL Institutional Buying and Selling by Quarter National Interstate Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails4/25/2025Amalgamated Bank20,695$546K0.0%-2.4%0.029% 4/15/2025 SG Americas Securities LLC24,631$650K0.0%N/A0.034% 4/15/2025 GAMMA Investing LLC2,002$53K0.0%-18.6%0.003% 4/7/2025 GAMMA Investing LLC52,813$1.39M0.0%+2,047.7%0.073% 2/14/2025State of Tennessee Department of Treasury17,182$583K0.0%-47.7%0.024% 2/10/2025Cibc World Markets Corp6,752$229K0.0%N/A0.009% 2/10/2025Great Lakes Advisors LLC216,726$7.35M0.1%-3.0%0.299% 2/3/2025 Handelsbanken Fonder AB22,700$770K0.0%N/A0.031% 1/17/2025 Avior Wealth Management LLC2,100$71K0.0%+31.8%0.003% 11/8/2024 Avior Wealth Management LLC1,593$45K0.0%+1,752.3%0.002% 11/1/2024Hollencrest Capital Management1,000$29K0.0%-91.9%0.001% 10/7/2024 GAMMA Investing LLC2,487$71K0.0%+35.2%0.003% 10/3/2024 SG Americas Securities LLC38,168$1.09M0.0%-62.7%0.053% 8/13/2024Hollencrest Capital Management12,357$334K0.0%-5.7%0.017% 8/12/2024Amalgamated Bank20,667$558K0.0%-34.1%0.029% 8/6/2024Great Lakes Advisors LLC235,088$6.35M0.1%N/A0.326% 7/12/2024 SG Americas Securities LLC102,446$2.77M0.0%-7.1%0.142% 7/2/2024 GAMMA Investing LLC1,839$50K0.0%+363.2%0.003% 5/17/2024Comerica Bank44,418$877K0.0%-46.0%0.062% 5/16/2024Silvercrest Asset Management Group LLC26,365$521K0.0%-96.6%0.037% 5/7/2024 SG Americas Securities LLC110,259$2.18M0.0%N/A0.153% 5/2/2024Hollencrest Capital Management13,107$259K0.0%-11.8%0.018% 2/15/2024Comerica Bank82,199$2.00M0.0%N/A0.116% 2/6/2024Amalgamated Bank33,129$805K0.0%N/A0.047% (Data available from 1/1/2016 forward) NATL Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of NATL shares? During the previous two years, 11 institutional investors and hedge funds held shares of National Interstate. The most heavily invested institutionals were Great Lakes Advisors LLC ($7.35M), Comerica Bank ($877K), Handelsbanken Fonder AB ($770K), SG Americas Securities LLC ($650K), State of Tennessee Department of Treasury ($583K), Amalgamated Bank ($546K), and Silvercrest Asset Management Group LLC ($521K).Learn more on NATL's institutional investors. What percentage of National Interstate stock is owned by institutional investors? 88.66% of National Interstate stock is owned by institutional investors. Learn more on NATL's institutional investor holdings. Which institutional investors have been buying National Interstate stock? The following institutional investors have purchased National Interstate stock in the last 24 months: Great Lakes Advisors LLC ($235.09K), SG Americas Securities LLC ($134.89K), Comerica Bank ($82.20K), GAMMA Investing LLC ($52.44K), Amalgamated Bank ($33.13K), Handelsbanken Fonder AB ($22.70K), and Cibc World Markets Corp ($6.75K). How much institutional buying is happening at National Interstate? Institutional investors have bought a total of 569,216 shares in the last 24 months. This purchase volume represents approximately $14.41M in transactions. Which National Interstate major shareholders have been selling company stock? The following institutional investors have sold National Interstate stock in the last 24 months: Silvercrest Asset Management Group LLC ($740.08K), SG Americas Securities LLC ($72.09K), Comerica Bank ($37.78K), State of Tennessee Department of Treasury ($15.70K), Hollencrest Capital Management ($13.86K), Amalgamated Bank ($11.21K), and Great Lakes Advisors LLC ($6.67K). How much institutional selling is happening at National Interstate? Institutional investors have sold a total of 897,847 shares in the last 24 months. This volume of shares sold represents approximately $18.85M in transactions. 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