Amprius Technologies (AMPX) Institutional Ownership $2.41 -0.02 (-0.82%) Closing price 04/14/2025 03:58 PM EasternExtended Trading$2.42 +0.01 (+0.62%) As of 08:16 AM 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Amprius Technologies (NYSE:AMPX)CurrentInstitutional OwnershipPercentage5.04%Number ofInstitutional Buyers(last 12 months)34TotalInstitutional Inflows(last 12 months)$16.53MNumber ofInstitutional Sellers(last 12 months)6TotalInstitutional Outflows(last 12 months)$752.96K Get AMPX Insider Trade Alerts Want to know when executives and insiders are buying or selling Amprius Technologies 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 AMPX Institutional Buying and Selling by Quarter Remove Ads Amprius Technologies Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails4/8/2025 Rhumbline Advisers15,690$42K0.0%+61.1%0.013% 2/25/2025B. Riley Wealth Advisors Inc.45,500$127K0.0%+55.8%0.043% 2/17/2025Wolverine Trading LLC15,958$48K0.0%N/A0.015% 2/17/2025Two Sigma Advisers LP45,700$128K0.0%N/A0.043% 2/17/2025Two Sigma Investments LP443,311$1.24M0.0%+323.1%0.419% 2/17/2025Nuveen Asset Management LLC23,300$65K0.0%-70.6%0.022% 2/17/2025Millennium Management LLC717,571$2.01M0.0%N/A0.678% 2/17/2025Blackstone Inc.257,923$722K0.0%N/A0.244% 2/17/2025Bank of America Corp DE12,890$36K0.0%+31.1%0.012% 2/14/2025Mercer Global Advisors Inc. ADV10,000$28K0.0%N/A0.009% Get the Latest News and Ratings for AMPX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Amprius Technologies and its competitors with MarketBeat's FREE daily newsletter. 2/14/2025Jane Street Group LLC258,618$724K0.0%N/A0.244% 2/14/2025Utah Retirement Systems36,846$103K0.0%N/A0.035% 2/14/2025Northern Trust Corp208,420$584K0.0%+33.6%0.197% 2/13/2025Marshall Wace LLP53,635$150K0.0%N/A0.051% 2/13/2025XTX Topco Ltd280,094$784K0.1%+486.4%0.265% 2/13/2025Board of Trustees of The Leland Stanford Junior University1,457,557$4.08M0.3%N/A1.377% 2/13/2025DRW Securities LLC33,557$94K0.0%N/A0.032% 2/13/2025Advisory Services Network LLC35,349$99K0.0%N/A0.033% 2/13/2025Renaissance Technologies LLC765,100$2.14M0.0%+5,740.5%0.723% 2/13/2025Invesco Ltd.2,484,662$6.96M0.0%+56.5%2.348% 2/12/2025Geode Capital Management LLC580,819$1.63M0.0%+6.0%0.549% 2/12/2025Diametric Capital LP24,445$68K0.0%N/A0.023% 2/12/2025Cannell & Spears LLC26,270$74K0.0%-29.8%0.025% 2/11/2025Lexington Partners L.P.76,764$215K0.3%N/A0.073% 2/11/2025AXQ Capital LP15,655$44K0.0%N/A0.015% 2/11/2025Sei Investments Co.10,229$29K0.0%-84.5%0.010% 2/11/2025American Century Companies Inc.24,207$68K0.0%N/A0.023% 2/7/2025HighTower Advisors LLC15,500$43K0.0%N/A0.015% 2/7/2025O Dell Group LLC12,410$35K0.0%N/A0.012% 2/6/2025Charles Schwab Investment Management Inc.198,442$556K0.0%-27.6%0.187% 2/5/2025Pathway Capital Management LP87,510$245K0.2%N/A0.083% 2/5/2025Oppenheimer & Co. Inc.117,150$328K0.0%N/A0.111% 1/30/2025 Rhumbline Advisers9,739$27K0.0%+49.4%0.009% 1/22/2025Kingswood Wealth Advisors LLC10,554$30K0.0%N/A0.010% 1/14/2025 Hamilton Lane Advisors LLC46,058$129K0.1%N/A0.044% 12/26/2024JPMorgan Chase & Co.27,041$30K0.0%+343.1%0.026% 12/13/2024B. Riley Wealth Advisors Inc.29,200$31K0.0%+29.8%0.028% 11/16/2024Geode Capital Management LLC548,138$608K0.0%+50.9%0.494% 11/15/2024XTX Topco Ltd47,762$53K0.0%-15.3%0.043% 11/15/2024State Street Corp286,390$318K0.0%+4.7%0.258% New “Trump” currency proposed in DC (Ad)According to one of the most connected men in Washington… A surprising new bill was just introduced in Washington. Its purpose: to put Donald Trump’s face on the $100 note. All to celebrate a new “golden age” for America. When you see what could happen – I think you’ll be excited.11/12/2024Charles Schwab Investment Management Inc.274,047$304K0.0%+124.7%0.247% 8/19/2024B. Riley Wealth Advisors Inc.22,500$29K0.0%+84.4%0.021% 8/15/2024AQR Capital Management LLC78,314$99K0.0%N/A0.073% 8/12/2024XTX Topco Ltd56,369$72K0.0%N/A0.052% 8/9/2024Warberg Asset Management LLC133,637$170K0.0%-52.5%0.124% 3/15/2024B. Riley Wealth Advisors Inc.15,775$83K0.0%+29.3%0.018% 2/13/2024Tower Research Capital LLC TRC8,252$44K0.0%+45.9%0.009% 1/25/2024International Assets Investment Management LLC13,357$710K0.0%N/A0.015% 1/24/2024International Assets Investment Management LLC13,357$710K0.0%N/A0.015% 1/12/2024FNY Investment Advisers LLC16,000$84K0.1%N/A0.018% 12/1/2023B. Riley Wealth Advisors Inc.12,200$58K0.0%N/A0.014% 11/13/2023Invesco Ltd.1,689,124$8.01M0.0%N/A1.958% 11/13/2023Kestra Advisory Services LLC102,050$484K0.0%N/A0.118% 11/8/2023Pathstone Family Office LLC12,750$60K0.0%N/A0.015% 11/7/2023Barclays PLC29,163$140K0.0%+2,623.0%0.034% 8/9/2023IPG Investment Advisors LLC25,000$180K0.0%N/A0.029% 11/10/2022ExodusPoint Capital Management LP19,768$182K0.0%N/A0.060% (Data available from 1/1/2016 forward)Remove Ads AMPX Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of AMPX shares? During the previous two years, 45 institutional investors and hedge funds held shares of Amprius Technologies. The most heavily invested institutionals were Invesco Ltd. ($6.96M), Board of Trustees of The Leland Stanford Junior University ($4.08M), Renaissance Technologies LLC ($2.14M), Millennium Management LLC ($2.01M), Geode Capital Management LLC ($1.63M), Two Sigma Investments LP ($1.24M), and XTX Topco Ltd ($784K).Learn more on AMPX's institutional investors. What percentage of Amprius Technologies stock is owned by institutional investors? 5.04% of Amprius Technologies stock is owned by institutional investors. Learn more on AMPX's institutional investor holdings. Which institutional investors have been buying Amprius Technologies stock? Of the 41 institutional investors that purchased Amprius Technologies stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Invesco Ltd. ($2.59M), Board of Trustees of The Leland Stanford Junior University ($1.46M), Renaissance Technologies LLC ($752K), Millennium Management LLC ($717.57K), Two Sigma Investments LP ($338.52K), XTX Topco Ltd ($288.70K), and Jane Street Group LLC ($258.62K). How much institutional buying is happening at Amprius Technologies? Institutional investors have bought a total of 8,127,213 shares in the last 24 months. This purchase volume represents approximately $25.70M in transactions. Which Amprius Technologies major shareholders have been selling company stock? The following institutional investors have sold Amprius Technologies stock in the last 24 months: Warberg Asset Management LLC ($147.84K), Charles Schwab Investment Management Inc. ($75.61K), Nuveen Asset Management LLC ($55.85K), Sei Investments Co. ($55.85K), Cannell & Spears LLC ($11.13K), and XTX Topco Ltd ($8.61K). How much institutional selling is happening at Amprius Technologies? Institutional investors have sold a total of 354,894 shares in the last 24 months. This volume of shares sold represents approximately $752.96K in transactions. Related Companies EOSE Major Shareholders FLNC Major Shareholders MVST Major Shareholders NPWR Major Shareholders BYRN Major Shareholders BLDP Major Shareholders SES Major Shareholders EAF Major Shareholders SLDP Major Shareholders NVX Major Shareholders This page (NYSE:AMPX) was last updated on 4/15/2025 by MarketBeat.com Staff From Our PartnersElon Set to Shock the World by May 1st ?Tech legend Jeff Brown recently traveled to the industrial zone of South Memphis to investigate what he believ...Brownstone Research | Sponsored[Action Required] Claim Your FREE IRS Loophole GuideThis shouldn't surprise anyone who's been paying attention, but... Pres. Trump may be about to unleash the ...Colonial Metals | SponsoredElon’s Silver Play? Trump Clears the PathNothing is confirmed—yet. 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