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Innospec (IOSP) Institutional Ownership

Innospec logo
$85.98 -0.09 (-0.10%)
Closing price 07/31/2026 04:00 PM Eastern
Extended Trading
$85.96 -0.02 (-0.02%)
As of 07/31/2026 07:34 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 Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Innospec (NASDAQ:IOSP)

Current
Institutional Ownership
Percentage
96.64%
Number of
Institutional Buyers
(last 12 months)
155
Total
Institutional Inflows
(last 12 months)
$365.62M
Number of
Institutional Sellers
(last 12 months)
110
Total
Institutional Outflows
(last 12 months)
$255.63M
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IOSP Institutional Buying and Selling by Quarter

Innospec Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/10/2026 Wedge Capital Management L L P NC20,329$1.66M0.0%-5.3%0.083%
7/8/2026 Assenagon Asset Management S.A.272,782$22.20M0.0%-44.4%1.107%
6/3/2026NewEdge Advisors LLC8,625$630K0.0%+32.5%0.035%
5/19/2026Bank of America Corp DE290,766$21.23M0.0%-9.8%1.180%
5/19/2026Edgestream Partners L.P.34,226$2.50M0.1%-26.3%0.139%
5/19/2026Janus Henderson Group PLC133,272$9.73M0.0%-11.7%0.541%
5/18/2026Amundi8,875$648K0.0%+71.0%0.036%
5/18/2026California State Teachers Retirement System27,529$2.01M0.0%+15.7%0.112%
5/18/2026Royal Bank of Canada745$55K0.0%-82.2%0.003%
5/16/2026The Manufacturers Life Insurance Company 11,203$818K0.0%-3.4%0.045%
5/16/2026Quantinno Capital Management LP5,606$409K0.0%-23.2%0.023%
5/15/2026Entropy Technologies LP19,968$1.46M0.1%+33.3%0.081%
5/14/2026Healthcare of Ontario Pension Plan Trust Fund61,669$4.50M0.0%-9.4%0.250%
5/14/2026Renaissance Technologies LLC118,900$8.68M0.0%-1.2%0.483%
5/14/2026Public Employees Retirement System of Ohio687$50K0.0%-96.6%0.003%
5/14/2026Arrowstreet Capital Limited Partnership18,497$1.35M0.0%+196.5%0.075%
5/14/2026Caxton Associates LLP4,726$345K0.0%N/A0.019%
5/14/2026Sei Investments Co.174,121$12.71M0.0%+67.9%0.707%
5/14/2026State of Wyoming3,918$286K0.0%+79.2%0.016%
5/13/2026Cetera Investment Advisers5,315$388K0.0%+9.4%0.022%
5/13/2026First Trust Advisors LP12,716$929K0.0%+3.6%0.052%
5/12/2026First Wilshire Securities Management Inc.148,072$10.81M2.4%+47.2%0.595%
5/8/2026PNC Financial Services Group Inc.1,079$79K0.0%-54.3%0.004%
5/8/2026Summit Global Investments14,430$1.05M0.1%N/A0.058%
5/7/2026Meeder Asset Management Inc.438$32K0.0%-87.2%0.002%
5/7/2026Dimensional Fund Advisors LP1,242,089$90.70M0.0%+5.7%4.990%
5/6/2026Allspring Global Investments Holdings LLC2,315,942$170.45M0.3%-1.7%9.305%
5/5/2026Bank of New York Mellon Corp131,291$9.59M0.0%-4.7%0.527%
5/5/2026Illinois Municipal Retirement Fund13,861$1.01M0.0%+8.6%0.056%
5/4/2026Principal Financial Group Inc.120,477$8.80M0.0%+2.0%0.484%
5/1/2026Fifth Third Bancorp12,482$911K0.0%+5,303.5%0.050%
4/30/2026Hsbc Holdings PLC25,351$1.86M0.0%+70.7%0.102%
4/29/2026R Squared Ltd4,363$319K0.2%-25.8%0.018%
4/28/2026 Hudson Edge Investment Partners Inc.8,373$611K0.1%+94.0%0.034%
4/27/2026Moran Wealth Management LLC27,031$1.97M0.1%-35.7%0.109%
4/27/2026 New York State Teachers Retirement System8,651$632K0.0%+8.7%0.035%
4/27/2026 Y Intercept Hong Kong Ltd33,296$2.43M0.0%+35.3%0.134%
4/25/2026 Keybank National Association OH5,583$408K0.0%-7.0%0.022%
4/24/2026Deprince Race & Zollo Inc.68,029$4.97M0.1%N/A0.273%
4/24/2026 James Investment Research Inc.3,015$220K0.0%-69.7%0.012%
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4/24/2026MQS Management LLC3,662$267K0.2%N/A0.015%
4/23/2026Inspire Investing LLC7,033$514K0.0%+15.6%0.028%
4/22/2026 Pictet Asset Management Holding SA4,708$344K0.0%+16.2%0.019%
4/22/2026 Sterling Capital Management LLC789$58K0.0%-42.3%0.003%
4/21/2026 Louisiana State Employees Retirement System11,000$803K0.0%N/A0.044%
4/20/2026 Assenagon Asset Management S.A.490,884$35.84M0.1%+175.5%1.972%
4/18/2026 Leeward Investments LLC MA69,810$5.10M0.3%-2.6%0.280%
4/16/2026SG Americas Securities LLC60,868$4.45M0.0%-19.7%0.245%
4/16/2026 Diversified Trust Co5,378$393K0.0%+40.7%0.022%
3/20/2026Hsbc Holdings PLC14,847$1.14M0.0%-1.2%0.060%
3/17/2026Rockefeller Capital Management L.P.728$56K0.0%+125.4%0.003%
3/3/2026Caitong International Asset Management Co. Ltd662$51K0.0%+316.4%0.003%
2/19/2026Invesco Ltd.104,639$8.01M0.0%+29.4%0.422%
2/18/2026Mercer Global Advisors Inc. ADV7,535$577K0.0%+19.4%0.030%
2/18/2026Vident Advisory LLC8,503$651K0.0%N/A0.034%
2/18/2026State of Tennessee Department of Treasury10,163$831K0.0%-30.2%0.041%
2/18/2026Mackenzie Financial Corp2,960$231K0.0%-6.2%0.012%
2/18/2026NewEdge Advisors LLC6,511$498K0.0%+21.4%0.026%
2/18/2026XTX Topco Ltd9,737$745K0.0%N/A0.039%
2/18/2026Voloridge Investment Management LLC138,401$10.59M0.0%+9.8%0.559%
2/18/2026Polymer Capital Management US LLC3,458$265K0.0%-29.6%0.014%
2/18/2026Quadrature Capital Ltd5,955$456K0.0%N/A0.024%
2/18/2026Numerai GP LLC98,269$7.52M0.9%+20.5%0.397%
2/18/2026Oxford Asset Management LLP3,632$278K0.1%-30.6%0.015%
2/18/2026Millennium Management LLC533,312$40.82M0.0%+10.8%2.152%
2/18/2026Man Group plc5,717$438K0.0%+16.2%0.023%
2/18/2026Inspire Investing LLC6,086$466K0.0%+3.6%0.025%
2/18/2026Janus Henderson Group PLC150,851$11.55M0.0%-41.6%0.609%
2/18/2026Engineers Gate Manager LP49,862$3.82M0.0%+22.5%0.201%
2/17/2026Freestone Grove Partners LP13,475$1.03M0.0%+45.3%0.054%
2/17/2026Schonfeld Strategic Advisors LLC17,677$1.35M0.0%-30.0%0.071%
2/17/2026AQR Capital Management LLC268,151$20.52M0.0%+48.0%1.082%
2/17/2026Cetera Investment Advisers4,859$372K0.0%N/A0.020%
2/17/2026Jain Global LLC22,159$1.70M0.0%N/A0.089%
2/17/2026Trexquant Investment LP46,073$3.53M0.0%+79.5%0.186%
2/17/2026Amundi5,189$397K0.0%+15.6%0.021%
2/17/2026Jump Financial LLC22,300$1.71M0.0%-20.0%0.090%
2/17/2026Price T Rowe Associates Inc. MD28,383$2.17M0.0%+21.5%0.115%
2/17/2026Public Employees Retirement System of Ohio20,136$1.54M0.0%+16.2%0.081%
2/17/2026California State Teachers Retirement System23,800$1.82M0.0%+3.2%0.096%
2/17/2026Russell Investments Group Ltd.11,628$890K0.0%+63.5%0.047%
2/17/2026Atom Investors LP22,830$1.75M0.1%+566.6%0.092%
2/17/2026Captrust Financial Advisors3,360$257K0.0%+13.7%0.014%
2/17/2026ExodusPoint Capital Management LP17,622$1.35M0.0%-63.7%0.071%
2/17/2026Royal Bank of Canada4,176$319K0.0%-9.3%0.017%
2/16/2026Verition Fund Management LLC26,664$2.04M0.0%-37.3%0.108%
2/16/2026Panagora Asset Management Inc.82,098$6.28M0.0%+3.3%0.331%
2/16/2026Mariner LLC15,683$1.21M0.0%+182.0%0.063%
2/16/2026Medina Value Partners LLC378,769$28.99M6.8%+60.5%1.529%
2/16/2026Healthcare of Ontario Pension Plan Trust Fund68,049$5.21M0.0%+74.6%0.275%
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2/16/2026Entropy Technologies LP14,979$1.15M0.1%+63.2%0.060%
2/16/2026Barclays PLC45,848$3.51M0.0%-1.1%0.185%
2/16/2026Brown Advisory Inc.305,977$23.42M0.0%-12.6%1.235%
2/16/2026Aigen Investment Management LP2,980$228K0.1%-55.8%0.012%
2/13/2026Marshall Wace LLP9,228$706K0.0%N/A0.037%
2/13/2026The Manufacturers Life Insurance Company 11,594$887K0.0%-6.3%0.047%
2/13/2026CANADA LIFE ASSURANCE Co21,279$1.63M0.0%-28.2%0.086%
2/13/2026Walleye Capital LLC103,935$7.96M0.0%-31.1%0.419%
2/13/2026Gendell Jeffrey L285,351$21.84M0.4%+63.1%1.152%
2/13/2026Smartleaf Asset Management LLC1,665$130K0.0%+26.4%0.007%


IOSP Institutional Ownership - Frequently Asked Questions

During the previous two years, 282 institutional investors and hedge funds held shares of Innospec. The most heavily invested institutionals were Vanguard Group Inc. ($238.89M), Wasatch Advisors LP ($173.91M), Allspring Global Investments Holdings LLC ($170.45M), Dimensional Fund Advisors LP ($90.70M), Victory Capital Management Inc. ($72.72M), State Street Corp ($72.64M), and Pacer Advisors Inc. ($53.46M).Learn more on Innospec's institutional investors.

96.64% of Innospec's stock is owned by institutional investors. Learn more on IOSP's institutional investor holdings.

Of the 243 institutional investors that purchased Innospec's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Nuveen LLC ($544.79K), Assenagon Asset Management S.A. ($506.17K), Pacer Advisors Inc. ($485.71K), Financial Harvest LLC ($433.84K), Brown Advisory Inc. ($426.54K), Raymond James Financial Inc. ($381.47K), and Medina Value Partners LLC ($378.77K).

Institutional investors have bought a total of 4,690,753 shares in the last 24 months. This purchase volume represents approximately $365.62M in transactions.

Of the 110 institutional investors that sold Innospec's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: First Trust Advisors LP ($879.88K), Royce & Associates LP ($322.28K), Assenagon Asset Management S.A. ($218.10K), Invesco Ltd. ($169.03K), Allspring Global Investments Holdings LLC ($167.24K), Janus Henderson Group PLC ($124.84K), and Victory Capital Management Inc. ($122.59K).

Institutional investors have sold a total of 3,280,583 shares in the last 24 months. This volume of shares sold represents approximately $255.63M in transactions.


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This page (NASDAQ:IOSP) was last updated on 8/2/2026 by MarketBeat.com Staff.
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