Innospec Inc.
IOSP- Exchange
- Nasdaq
- Industry
- Chemicals & Allied Products
- SEC CIK
- 0001054905
No open-market purchases or sales by Innospec Inc. insiders were filed in the last 90 days; 281 institutions reported holding it in 13F filings for Q2 2026, worth $2.00B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Innospec Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 281
- +18 vs. Q1 2026
- Shares held
- 24.6M
- −182.4K (−0.7%) vs. Q1 2026
- Total value
- $2.00B
- +$191.3M (+10.6%) vs. Q1 2026
- New holders
- 45
- 103 more added
- Sold out
- 27
- 97 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IOSP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 281 | $2.00B |
| Q1 2026 | 266 | $1.82B |
| Q4 2025 | 261 | $1.86B |
| Q3 2025 | 266 | $1.85B |
| Q2 2025 | 262 | $2.03B |
| Q1 2025 | 272 | $2.29B |
| Q4 2024 | 262 | $2.66B |
| Q3 2024 | 261 | $2.73B |
| Q2 2024 | 266 | $2.96B |
| Q1 2024 | 239 | $3.10B |
| Q4 2023 | 223 | $2.96B |
| Q3 2023 | 212 | $2.44B |
| Q2 2023 | 205 | $2.39B |
| Q1 2023 | 219 | $2.45B |
| Q4 2022 | 223 | $2.44B |
| Q3 2022 | 193 | $2.03B |
| Q2 2022 | 199 | $2.29B |
| Q1 2022 | 188 | $2.20B |
| Q4 2021 | 184 | $2.14B |
| Q3 2021 | 188 | $1.97B |
| Q2 2021 | 180 | $2.12B |
| Q1 2021 | 180 | $2.42B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Innospec Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sequoia Financial Advisors, LLC | 2,540 | $206.7K | 0.00% | +2,540 | New |
| Ethic Inc. | 2,551 | $207.7K | 0.00% | −3,540−58.1% | Reduced |
| Prelude Capital Management, LLC | 2,587 | $210.6K | 0.02% | +2,587 | New |
| Bell & Brown Wealth Advisors, LLC | 2,609 | $212.3K | 0.06% | −2,357−47.5% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2,609 | $212.3K | 0.00% | +1,993+323.5% | Added |
| Neuberger Berman Group LLC | 2,718 | $221.2K | 0.00% | +2,718 | New |
| CI Private Wealth, LLC | 2,982 | $242.7K | 0.00% | +2,982 | New |
| MAI Capital Management | 2,991 | $243.4K | 0.00% | +1,415+89.8% | Added |
| ISAM Funds (UK) Ltd | 3,000 | $244.2K | 0.17% | −922−23.5% | Reduced |
| SRS Capital Advisors, Inc. | 3,014 | $245.3K | 0.00% | +2,711+894.7% | Added |
| James Investment Research Inc | 3,015 | $245.4K | 0.02% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 3,018 | $246.0K | 0.00% | 00.0% | Unchanged |
| Brighton Jones LLC | 3,235 | $263.3K | 0.00% | +3,235 | New |
| Toroso Investments, LLC | 3,330 | $271.0K | 0.00% | −523−13.6% | Reduced |
| Maryland State Retirement & Pension System | 3,560 | $289.7K | 0.00% | −52−1.4% | Reduced |
| Amundi | 3,565 | $290.2K | 0.00% | −5,310−59.8% | Reduced |
| Susquehanna International Group, LLP | 3,615 | $294.2K | 0.00% | −6,877−65.5% | Reduced |
| MQS Management LLC | 3,643 | $296.5K | 0.36% | −19−0.5% | Reduced |
| Aigen Investment Management, LP | 3,647 | $296.8K | 0.08% | −2,942−44.7% | Reduced |
| Vise Technologies, Inc. | 3,650 | $297.1K | 0.00% | +3,650 | New |
| Merit Financial Group, LLC | 3,758 | $305.9K | 0.00% | +3,758 | New |
| Colony Group, LLC | 3,783 | $308.0K | 0.00% | +3,783 | New |
| Cetera Investment Advisers | 3,845 | $313.0K | 0.00% | −1,470−27.7% | Reduced |
| Indivisible Partners | 4,233 | $344.5K | 0.02% | +365+9.4% | Added |
| Headlands Technologies LLC | 4,632 | $377.0K | 0.04% | +1,113+31.6% | Added |
| Pictet Asset Management Holding SA | 4,708 | $383.2K | 0.00% | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 4,848 | $394.6K | 0.00% | −2,826−36.8% | Reduced |
| Keybank National Association | 5,006 | $407.4K | 0.00% | −577−10.3% | Reduced |
| LPL Financial LLC | 5,186 | $422.1K | 0.00% | +276+5.6% | Added |
| Vanguard Investments Australia, Ltd. | 5,396 | $439.2K | 0.00% | −2,539−32.0% | Reduced |
| Jain Global LLC | 5,413 | $440.6K | 0.01% | +5,413 | New |
| Jump Financial, LLC | 5,500 | $447.6K | 0.00% | −20,700−79.0% | Reduced |
| Oregon Public Employees Retirement Fund | 5,591 | $455.1K | 0.00% | −40−0.7% | Reduced |
| Guggenheim Capital LLC | 5,614 | $456.9K | 0.00% | −1,027−15.5% | Reduced |
| State of Wisconsin Investment Board | 5,688 | $462.9K | 0.00% | +5,688 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 5,841 | $475.4K | 0.00% | −286−4.7% | Reduced |
| Man Group plc | 6,151 | $500.6K | 0.00% | −1,941−24.0% | Reduced |
| Teachers Retirement System of the State of Kentucky | 6,230 | $507.0K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 6,340 | $516.0K | 0.01% | −58,342−90.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,419 | $522.4K | 0.00% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 6,568 | $534.6K | 0.01% | −51−0.8% | Reduced |
| Amalgamated Bank | 6,632 | $540.0K | 0.00% | −503−7.0% | Reduced |
| State Board of Administration of Florida Retirement System | 6,727 | $547.5K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 6,868 | $559.0K | 0.00% | +63+0.9% | Added |
| Freestone Grove Partners LP | 7,189 | $585.1K | 0.00% | −3,322−31.6% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 7,489 | $609.5K | 0.00% | +538+7.7% | Added |
| Magnetar Financial LLC | 8,039 | $654.3K | 0.01% | +8,039 | New |
| Captrust Financial Advisors | 8,113 | $660.3K | 0.00% | +4,513+125.4% | Added |
| CWM Advisors, LLC | 8,302 | $675.7K | 0.03% | +1,269+18.0% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 8,605 | $700.4K | 0.00% | +4,078+90.1% | Added |
| Entropy Technologies, LP | 8,739 | $711.3K | 0.03% | −11,229−56.2% | Reduced |
| Quantinno Capital Management LP | 8,906 | $724.9K | 0.00% | +3,300+58.9% | Added |
| New York State Common Retirement Fund | 8,911 | $725.3K | 0.00% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 8,972 | $730.2K | 0.01% | −3,528−28.2% | Reduced |
| State of Alaska, Department of Revenue | 9,243 | $752.0K | 0.01% | −4,222−31.4% | Reduced |
| Vanguard Global Advisers, LLC | 9,331 | $759.5K | 0.00% | −462−4.7% | Reduced |
| State of Tennessee, Treasury Department | 9,756 | $794.0K | 0.00% | −3,111−24.2% | Reduced |
| Capstone Investment Advisors, LLC | 9,993 | $813.3K | 0.01% | −5,764−36.6% | Reduced |
| EntryPoint Capital, LLC | 9,993 | $813.3K | 0.20% | 00.0% | Unchanged |
| Horizon Investments, LLC | 10,167 | $827.5K | 0.01% | +211+2.1% | Added |
| Squarepoint Ops LLC | 10,379 | $844.7K | 0.00% | −6,107−37.0% | Reduced |
| Louisiana State Employees Retirement System | 10,800 | $879.0K | 0.01% | −200−1.8% | Reduced |
| New York State Teachers Retirement System | 10,930 | $890.0K | 0.00% | +2,279+26.3% | Added |
| Jacobs Levy Equity Management, Inc | 10,959 | $892.0K | 0.00% | −663−5.7% | Reduced |
| GWM Advisors LLC | 11,286 | $918.6K | 0.00% | +2,661+30.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 11,617 | $945.5K | 0.00% | −25−0.2% | Reduced |
| Fifth Third Bancorp | 11,654 | $948.6K | 0.00% | −828−6.6% | Reduced |
| Round Hill Asset Management | 11,974 | $974.6K | 0.61% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 12,070 | $982.4K | 0.00% | +867+7.7% | Added |
| Diversified Trust Co | 12,625 | $1.03M | 0.02% | +7,247+134.8% | Added |
| Illinois Municipal Retirement Fund | 13,043 | $1.06M | 0.01% | −818−5.9% | Reduced |
| Centiva Capital, LP | 13,234 | $1.08M | 0.04% | −8,407−38.8% | Reduced |
| Schonfeld Strategic Advisors LLC | 13,276 | $1.08M | 0.01% | −12,974−49.4% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 13,679 | $1.12M | 0.00% | +5,782+73.2% | Added |
| Gsa Capital Partners LLP | 14,271 | $1.16M | 0.07% | −6,829−32.4% | Reduced |
| Mercer Global Advisors Inc | 14,522 | $1.18M | 0.00% | +6,118+72.8% | Added |
| MetLife Investment Management | 14,712 | $1.20M | 0.01% | +581+4.1% | Added |
| Y-Intercept (Hong Kong) Ltd | 14,815 | $1.21M | 0.02% | −18,481−55.5% | Reduced |
| Thrivent Financial for Lutherans | 16,174 | $1.32M | 0.00% | −365−2.2% | Reduced |
| State of New Jersey Common Pension Fund D | 17,315 | $1.41M | 0.00% | −10,912−38.7% | Reduced |
| Brevan Howard Capital Management LP | 17,540 | $1.43M | 0.02% | −6,896−28.2% | Reduced |
| Blackstone Group Inc. | 19,163 | $1.56M | 0.01% | +19,163 | New |
| Great West Life Assurance Co | 19,508 | $1.59M | 0.00% | −797−3.9% | Reduced |
| Vanguard Asset Management, Ltd | 19,560 | $1.59M | 0.00% | +2,281+13.2% | Added |
| Linden Thomas Advisory Services, LLC | 19,815 | $1.61M | 0.13% | +8,005+67.8% | Added |
| XTX Topco Ltd | 20,188 | $1.64M | 0.02% | −16,104−44.4% | Reduced |
| Wedge Capital Management L L P | 20,329 | $1.65M | 0.03% | −1,144−5.3% | Reduced |
| Marshall Wace, LLP | 23,075 | $1.88M | 0.00% | −10,451−31.2% | Reduced |
| KLP Kapitalforvaltning AS | 23,300 | $1.90M | 0.01% | 00.0% | Unchanged |
| Connors Investor Services Inc | 23,363 | $1.90M | 0.16% | −9,732−29.4% | Reduced |
| Moran Wealth Management, LLC | 23,639 | $1.92M | 0.05% | −3,392−12.5% | Reduced |
| Holocene Advisors, LP | 23,760 | $1.93M | 0.00% | −2,713−10.2% | Reduced |
| HSBC Holdings PLC | 23,693 | $1.94M | 0.00% | −1,658−6.5% | Reduced |
| ExodusPoint Capital Management, LP | 23,810 | $1.94M | 0.02% | +23,810 | New |
| Barclays PLC | 24,713 | $2.01M | 0.00% | +3,524+16.6% | Added |
| Prudential Financial Inc | 25,529 | $2.08M | 0.00% | +260+1.0% | Added |
| Alliancebernstein L.P. | 28,622 | $2.09M | 0.00% | +2,113+8.0% | Added |
| Citigroup Inc | 25,692 | $2.09M | 0.00% | +1,900+8.0% | Added |
| Voya Investment Management LLC | 25,915 | $2.11M | 0.00% | +822+3.3% | Added |
| Mariner, LLC | 26,935 | $2.19M | 0.00% | +7,225+36.7% | Added |