Innospec (IOSP) Institutional Ownership $88.84 +1.32 (+1.51%) Closing price 06/10/2025 04:00 PM EasternExtended Trading$88.84 +0.00 (+0.01%) As of 06/10/2025 04:04 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 ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Innospec (NASDAQ:IOSP)CurrentInstitutional OwnershipPercentage96.64%Number ofInstitutional Buyers(last 12 months)162TotalInstitutional Inflows(last 12 months)$487.46MNumber ofInstitutional Sellers(last 12 months)116TotalInstitutional Outflows(last 12 months)$203.92M Get IOSP Insider Trade Alerts Want to know when executives and insiders are buying or selling Innospec stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data IOSP Institutional Buying and Selling by Quarter Innospec Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/29/2025 Rhumbline Advisers77,760$7.37M0.0%+9.3%0.312% 5/28/2025 Strs Ohio8,400$796K0.0%N/A0.034% 5/21/2025 Acadian Asset Management LLC2,864$271K0.0%-56.3%0.011% 5/20/2025 Intech Investment Management LLC22,023$2.09M0.0%+30.7%0.088% 5/19/2025 Jane Street Group LLC95,243$9.02M0.0%+1,551.5%0.382% 5/19/2025 UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC101,773$9.64M0.0%+14.3%0.408% 5/16/2025 Caxton Associates LLP6,182$586K0.0%N/A0.025% 5/16/2025 Goldman Sachs Group Inc.132,399$12.55M0.0%+6.4%0.527% 5/16/2025 Dynamic Technology Lab Private Ltd10,185$965K0.1%N/A0.041% 5/16/2025 Petrus Trust Company LTA4,839$458K0.0%N/A0.019% Get the Latest News and Ratings for IOSP and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Innospec and its competitors with MarketBeat's FREE daily newsletter. 5/16/2025 NewEdge Advisors LLC4,567$433K0.0%+37.4%0.018% 5/16/2025 Millennium Management LLC170,414$16.15M0.0%+8,176.5%0.678% 5/16/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.14,833$1.41M0.0%+4.5%0.059% 5/16/2025 Jacobs Levy Equity Management Inc.26,192$2.48M0.0%-4.3%0.104% 5/16/2025 Hancock Whitney Corp5,435$515K0.0%+6.8%0.022% 5/16/2025 Banque Transatlantique SA2,240$196K0.0%N/A0.009% 5/16/2025 AQR Capital Management LLC14,318$1.36M0.0%-9.9%0.057% 5/16/2025 Amundi10,638$941K0.0%-18.3%0.042% 5/15/2025 Cubist Systematic Strategies LLC130,427$12.36M0.1%+198.8%0.519% 5/15/2025 Royal Bank of Canada30,267$2.87M0.0%-2.5%0.120% 5/15/2025 DRW Securities LLC2,337$221K0.0%N/A0.009% 5/15/2025 Baird Financial Group Inc.2,170$206K0.0%+11.5%0.009% 5/15/2025 Magnetar Financial LLC7,181$680K0.0%N/A0.029% 5/15/2025 State of Wyoming628$60K0.0%-68.2%0.003% 5/15/2025 Trexquant Investment LP60,346$5.72M0.1%+196.3%0.240% 5/15/2025 Huber Capital Management LLC68,935$6.53M1.2%+40.3%0.274% 5/14/2025 B. Metzler seel. Sohn & Co. AG11,559$1.10M0.0%-53.8%0.046% 5/14/2025 Jane Street Group LLC95,243$9.02M0.0%+1,551.5%0.379% 5/14/2025 Corebridge Financial Inc.13,018$1.23M0.0%-1.9%0.052% 5/14/2025 Comerica Bank8,429$799K0.0%-2.4%0.034% 5/14/2025 MetLife Investment Management LLC14,730$1.40M0.0%-3.3%0.059% 5/14/2025 Walleye Capital LLC9,451$895K0.0%N/A0.038% 5/14/2025 Jump Financial LLC7,451$706K0.0%+10.3%0.030% 5/14/2025 Hotchkis & Wiley Capital Management LLC60,545$5.74M0.0%-1.2%0.241% 5/14/2025 Smartleaf Asset Management LLC1,429$136K0.0%-20.7%0.006% 5/14/2025 Bahl & Gaynor Inc.30,943$2.93M0.0%-13.9%0.123% 5/14/2025 AlphaQuest LLC2,967$281K0.0%-76.6%0.012% 5/14/2025 EntryPoint Capital LLC8,932$846K0.4%+146.9%0.036% 5/14/2025 Hsbc Holdings PLC7,398$700K0.0%+2.9%0.029% 5/14/2025 Quantbot Technologies LP15,996$1.52M0.0%N/A0.064% Everyone’s watching Nvidia right now. Here’s why I’m excited. (Ad)So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal with Saudi Arabia to power its new AI empire 🤯 We’re talking about hundreds of thousands of chips, including their latest Grace Blackwell supercomputer.🎯 Click here to watch the video and get the free ticker XGPT just flagged.5/13/2025 Northern Trust Corp318,306$30.16M0.0%-2.8%1.267% 5/13/2025 Algert Global LLC28,858$2.73M0.1%-15.7%0.115% 5/13/2025 Raymond James Financial Inc.187,216$17.74M0.0%-1.8%0.745% 5/13/2025 American Century Companies Inc.47,545$4.51M0.0%+27.7%0.189% 5/13/2025 Dimensional Fund Advisors LP1,158,017$109.72M0.0%0.0%4.610% 5/13/2025 Sei Investments Co.138,987$13.17M0.1%-0.1%0.553% 5/13/2025 Caitong International Asset Management Co. Ltd1,282$121K0.1%N/A0.005% 5/13/2025 Russell Investments Group Ltd.4,995$473K0.0%+17.8%0.020% 5/12/2025 Public Sector Pension Investment Board79,121$7.50M0.0%+27.4%0.315% 5/12/2025 Nuveen LLC453,465$42.97M0.0%N/A1.805% 5/12/2025 Aigen Investment Management LP3,859$366K0.1%N/A0.015% 5/12/2025 Virtu Financial LLC8,297$786K0.0%N/A0.033% 5/12/2025 Invesco Ltd.249,877$23.68M0.0%-44.7%0.995% 5/12/2025 Swiss National Bank48,303$4.58M0.0%-1.6%0.192% 5/12/2025 Maryland State Retirement & Pension System7,276$689K0.0%-13.0%0.029% 5/9/2025 Mutual of America Capital Management LLC3,633$344K0.0%-3.9%0.014% 5/9/2025 Deutsche Bank AG19,710$1.87M0.0%-10.3%0.078% 5/9/2025 Charles Schwab Investment Management Inc.354,706$33.61M0.0%+0.6%1.412% 5/9/2025 Vanguard Group Inc.3,210,768$304.22M0.0%+0.9%12.782% 5/9/2025 Westwood Holdings Group Inc.382,410$36.23M0.3%+28.3%1.522% 5/9/2025 R Squared Ltd2,770$262K0.3%N/A0.011% 5/8/2025 US Bancorp DE5,082$482K0.0%+4.2%0.020% 5/8/2025 XTX Topco Ltd12,545$1.19M0.1%N/A0.050% 5/7/2025 Mackenzie Financial Corp3,559$337K0.0%+19.5%0.014% 5/6/2025 Royce & Associates LP653,636$61.93M0.7%-16.0%2.602% 5/6/2025 Burney Co.29,445$2.79M0.1%+7.3%0.117% 5/5/2025 Allianz Asset Management GmbH3,644$345K0.0%-27.5%0.015% 5/5/2025 Financial Harvest LLC433,843$41.11M27.3%N/A1.727% 5/2/2025 Bailard Inc.4,500$426K0.0%N/A0.018% 5/2/2025 Segall Bryant & Hamill LLC97,941$9.28M0.1%-2.7%0.390% 5/2/2025 Victory Capital Management Inc.1,106,482$104.84M0.1%+20.0%4.405% 5/2/2025 Signaturefd LLC668$63K0.0%-21.5%0.003% 5/2/2025 Edgestream Partners L.P.70,039$6.64M0.2%+436.8%0.279% 5/1/2025 Louisiana State Employees Retirement System11,700$1.11M0.0%-3.3%0.047% 5/1/2025 Mutual of America Capital Management LLC3,633$344K0.0%-3.9%0.014% 4/30/2025 Nisa Investment Advisors LLC1,762$167K0.0%-15.6%0.007% 4/30/2025 Brown Advisory Inc.329,415$31.21M0.0%N/A1.311% 4/29/2025 Envestnet Asset Management Inc.28,194$2.67M0.0%+2.3%0.112% 4/29/2025 Bank of New York Mellon Corp228,739$21.67M0.0%-3.7%0.911% 4/29/2025 Leeward Investments LLC MA76,439$7.24M0.4%-4.5%0.304% 4/28/2025 Principal Financial Group Inc.132,493$12.55M0.0%+2.4%0.527% 4/28/2025 Oregon Public Employees Retirement Fund5,731$543K0.0%-2.9%0.023% 4/28/2025 ZWJ Investment Counsel Inc.46,311$4.39M0.2%+6.6%0.184% 4/28/2025 Teacher Retirement System of Texas6,201$588K0.0%-89.1%0.025% 4/25/2025 New York State Teachers Retirement System12,696$1.20M0.0%-15.3%0.051% 4/25/2025 Amalgamated Bank7,114$674K0.0%-2.8%0.028% 4/24/2025 Tsfg LLC370$35K0.0%N/A0.001% 4/24/2025 Allspring Global Investments Holdings LLC2,404,825$227.35M0.4%+0.8%9.573% 4/24/2025 Illinois Municipal Retirement Fund13,218$1.25M0.0%-1.6%0.053% 4/23/2025 Bessemer Group Inc.446$43K0.0%-99.7%0.002% Elon’s backup plan for AI (Ad)Elon knows the future isn’t about smarter AI — it’s about powering it. And this new technology is quietly becoming one of the most profitable stories of the year.Chris Rowe just shared the full details in a live presentation… Watch it here before it comes down.4/23/2025 Moran Wealth Management LLC45,025$4.27M0.1%-6.5%0.179% 4/23/2025 Kirr Marbach & Co. LLC IN79,066$7.49M1.7%+1.8%0.315% 4/21/2025 State of Alaska Department of Revenue13,821$1.31M0.0%-2.3%0.055% 4/14/2025 Yousif Capital Management LLC9,234$875K0.0%-2.5%0.037% 4/11/2025 Vest Financial LLC20,379$1.93M0.0%N/A0.081% 4/9/2025 Legacy Wealth Asset Management LLC4,750$450K0.1%-12.2%0.019% 4/8/2025 Rhumbline Advisers77,760$7.37M0.0%+9.3%0.310% 4/7/2025 GAMMA Investing LLC33,542$31.78M0.0%+7,113.3%0.134% 3/18/2025 California State Teachers Retirement System23,322$2.57M0.0%-1.1%0.093% 2/27/2025Jefferies Financial Group Inc.26,629$2.93M0.0%N/A0.107% (Data available from 1/1/2016 forward) IOSP Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of IOSP shares? During the previous two years, 258 institutional investors and hedge funds held shares of Innospec. The most heavily invested institutionals were Vanguard Group Inc. ($304.22M), Allspring Global Investments Holdings LLC ($227.35M), Wasatch Advisors LP ($173.91M), State Street Corp ($112.67M), Dimensional Fund Advisors LP ($109.72M), Victory Capital Management Inc. ($104.84M), and Geode Capital Management LLC ($76.18M).Learn more on IOSP's institutional investors. What percentage of Innospec stock is owned by institutional investors? 96.64% of Innospec stock is owned by institutional investors. Learn more on IOSP's institutional investor holdings. Which institutional investors have been buying Innospec stock? Of the 209 institutional investors that purchased Innospec stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Pacer Advisors Inc. ($485.71K), Nuveen LLC ($453.47K), Financial Harvest LLC ($433.84K), Raymond James Financial Inc. ($381.47K), Brown Advisory Inc. ($329.42K), Norges Bank ($313.14K), and Victory Capital Management Inc. ($303.35K). How much institutional buying is happening at Innospec? Institutional investors have bought a total of 6,067,858 shares in the last 24 months. This purchase volume represents approximately $643.47M in transactions. Which Innospec major shareholders have been selling company stock? Of the 154 institutional investors that sold Innospec stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Wasatch Advisors LP ($461.57K), Champlain Investment Partners LLC ($326.86K), Invesco Ltd. ($267.21K), Victory Capital Management Inc. ($226.94K), Allspring Global Investments Holdings LLC ($189.76K), Royce & Associates LP ($181.70K), and Bessemer Group Inc. ($145.13K). How much institutional selling is happening at Innospec? Institutional investors have sold a total of 3,216,885 shares in the last 24 months. This volume of shares sold represents approximately $356.80M in transactions. Related Companies ALB Major Shareholders CE Major Shareholders NEU Major Shareholders BCPC Major Shareholders SXT Major Shareholders FUL Major Shareholders ASH Major Shareholders KWR Major Shareholders MTX Major Shareholders SCL Major Shareholders This page (NASDAQ:IOSP) was last updated on 6/11/2025 by MarketBeat.com Staff From Our PartnersMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredTrump wipes out trillions overnight…Is there anybody more powerful than Donald Trump right now? In a single tariff announcement, he wiped out n...Porter & Company | SponsoredElon’s NEXT Big IPO?Cancel your internet TODAY!? 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