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 2025
Institutional positions in Innospec Inc. as of Jun 30, 2025. 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
- 262
- −9 vs. Q1 2025
- Shares held
- 24.0M
- −458.5K (−1.9%) vs. Q1 2025
- Total value
- $2.03B
- −$263.2M (−11.5%) vs. Q1 2025
- New holders
- 31
- 110 more added
- Sold out
- 40
- 86 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Innospec Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,662,412 | $308.0M | 0.01% | −85,314−2.3% | Reduced |
| Vanguard Group Inc | 3,162,941 | $266.0M | 0.00% | −47,827−1.5% | Reduced |
| Allspring Global Investments Holdings, LLC | 2,483,185 | $216.2M | 0.36% | +78,360+3.3% | Added |
| Dimensional Fund Advisors LP | 1,168,925 | $98.3M | 0.02% | +10,908+0.9% | Added |
| State Street Corp | 970,225 | $81.6M | 0.00% | −41,216−4.1% | Reduced |
| Victory Capital Management Inc | 958,486 | $80.6M | 0.05% | −147,996−13.4% | Reduced |
| First Trust Advisors LP | 802,504 | $67.5M | 0.05% | −89,649−10.0% | Reduced |
| Geode Capital Management, LLC | 719,598 | $60.5M | 0.00% | +14,463+2.1% | Added |
| Royce & Associates LP | 627,502 | $52.8M | 0.54% | −26,134−4.0% | Reduced |
| Brown Advisory Inc | 426,544 | $35.9M | 0.05% | +97,129+29.5% | Added |
| Westwood Holdings Group Inc. | 412,310 | $34.7M | 0.25% | +29,900+7.8% | Added |
| Charles Schwab Investment Management Inc | 356,177 | $30.0M | 0.01% | +1,471+0.4% | Added |
| Millennium Management LLC | 350,005 | $29.4M | 0.03% | +179,591+105.4% | Added |
| JPMorgan Chase & Co | 321,164 | $27.0M | 0.00% | +48,152+17.6% | Added |
| Qube Research & Technologies Ltd | 306,761 | $25.8M | 0.04% | +128,544+72.1% | Added |
| Northern Trust Corp | 302,502 | $25.4M | 0.00% | −15,804−5.0% | Reduced |
| Nuveen, LLC | 296,012 | $24.9M | 0.01% | −157,453−34.7% | Reduced |
| Bank of America Corp | 295,498 | $24.8M | 0.00% | +51,812+21.3% | Added |
| Morgan Stanley | 263,835 | $22.2M | 0.00% | +24,640+10.3% | Added |
| Janus Henderson Group PLC | 255,419 | $21.5M | 0.01% | −219,099−46.2% | Reduced |
| Bank of New York Mellon Corp | 231,007 | $19.4M | 0.00% | +2,268+1.0% | Added |
| Invesco Ltd. | 223,763 | $18.8M | 0.00% | −26,114−10.5% | Reduced |
| Cubist Systematic Strategies, LLC | 219,088 | $18.4M | 0.20% | +88,661+68.0% | Added |
| D. E. Shaw & Co., Inc. | 171,738 | $14.4M | 0.01% | +72,662+73.3% | Added |
| Voloridge Investment Management, LLC | 160,163 | $13.5M | 0.05% | −29,623−15.6% | Reduced |
| Voya Investment Management LLC | 147,338 | $12.4M | 0.01% | −179,951−55.0% | Reduced |
| Renaissance Technologies LLC | 146,600 | $12.3M | 0.02% | +19,700+15.5% | Added |
| Two Sigma Investments, LP | 138,239 | $11.6M | 0.02% | +59,793+76.2% | Added |
| Principal Financial Group Inc | 137,216 | $11.5M | 0.01% | +4,723+3.6% | Added |
| Norges Bank | 133,545 | $11.2M | 0.00% | +27,856+26.4% | Added |
| UBS Asset Management Americas Inc | 125,164 | $10.5M | 0.00% | +23,391+23.0% | Added |
| Segall Bryant & Hamill, LLC | 118,161 | $9.94M | 0.14% | +20,220+20.6% | Added |
| Jane Street Group, LLC | 117,199 | $9.86M | 0.02% | +21,956+23.1% | Added |
| UBS Group AG | 106,269 | $8.94M | 0.00% | +24,404+29.8% | Added |
| Goldman Sachs Group Inc | 104,671 | $8.80M | 0.00% | −27,728−20.9% | Reduced |
| Citadel Advisors LLC | 94,576 | $7.95M | 0.01% | +19,432+25.9% | Added |
| Ameriprise Financial Inc | 85,277 | $7.17M | 0.00% | +19,190+29.0% | Added |
| Public Sector Pension Investment Board | 84,959 | $7.14M | 0.03% | +5,838+7.4% | Added |
| Rhumbline Advisers | 81,481 | $6.85M | 0.01% | +3,721+4.8% | Added |
| Two Sigma Advisers, LP | 80,500 | $6.77M | 0.01% | +42,200+110.2% | Added |
| Gendell Jeffrey L | 79,781 | $6.71M | 0.18% | +2,534+3.3% | Added |
| Panagora Asset Management Inc | 79,158 | $6.66M | 0.03% | +60+0.1% | Added |
| Mutual of America Capital Management LLC | 77,255 | $6.50M | 0.07% | +73,622+2,026.5% | Added |
| ProShare Advisors LLC | 75,056 | $6.31M | 0.01% | +69,185+1,178.4% | Added |
| Leeward Investments, LLC - MA | 73,734 | $6.20M | 0.33% | −2,705−3.5% | Reduced |
| AQR Capital Management LLC | 72,024 | $6.06M | 0.01% | +57,706+403.0% | Added |
| Raymond James Financial Inc | 70,675 | $5.94M | 0.00% | −116,541−62.2% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 70,235 | $5.91M | 0.02% | +9,690+16.0% | Added |
| Legal & General Group Plc | 69,673 | $5.86M | 0.00% | +943+1.4% | Added |
| Numerai GP LLC | 62,892 | $5.29M | 0.76% | +62,892 | New |
| Teacher Retirement System of Texas | 60,010 | $5.05M | 0.02% | +53,809+867.7% | Added |
| Trexquant Investment LP | 59,424 | $5.00M | 0.06% | −922−1.5% | Reduced |
| ExodusPoint Capital Management, LP | 56,808 | $4.78M | 0.06% | +45,845+418.2% | Added |
| American Century Companies Inc | 55,861 | $4.70M | 0.00% | +8,316+17.5% | Added |
| SEI Investments Co | 55,472 | $4.66M | 0.01% | +6,871+14.1% | Added |
| Kirr Marbach & Co LLC | 54,335 | $4.57M | 0.90% | −24,731−31.3% | Reduced |
| Barclays PLC | 51,510 | $4.33M | 0.00% | +15,023+41.2% | Added |
| SG Americas Securities, LLC | 50,924 | $4.28M | 0.02% | +48,349+1,877.6% | Added |
| Wells Fargo & Company | 48,246 | $4.06M | 0.00% | −4,970−9.3% | Reduced |
| Swiss National Bank | 48,003 | $4.04M | 0.00% | −300−0.6% | Reduced |
| Balyasny Asset Management LLC | 47,239 | $3.97M | 0.01% | +11,238+31.2% | Added |
| Edgestream Partners, L.P. | 47,068 | $3.96M | 0.11% | −22,971−32.8% | Reduced |
| Moran Wealth Management, LLC | 42,603 | $3.58M | 0.11% | −2,422−5.4% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 41,245 | $3.47M | 0.08% | +41,245 | New |
| Walleye Capital LLC | 40,120 | $3.37M | 0.03% | +30,669+324.5% | Added |
| ZWJ Investment Counsel Inc | 39,420 | $3.31M | 0.12% | −6,891−14.9% | Reduced |
| Engineers Gate Manager LP | 39,062 | $3.28M | 0.04% | +7,827+25.1% | Added |
| Susquehanna International Group, LLP | 36,861 | $3.10M | 0.00% | +2,558+7.5% | Added |
| Prudential Financial Inc | 26,049 | $3.05M | 0.00% | +1,650+6.8% | Added |
| Thrivent Financial for Lutherans | 35,757 | $3.01M | 0.01% | −742−2.0% | Reduced |
| Verition Fund Management LLC | 32,618 | $2.74M | 0.02% | +18,410+129.6% | Added |
| Twinbeech Capital LP | 32,249 | $2.71M | 0.06% | +32,249 | New |
| HRT Financial LP | 32,242 | $2.71M | 0.01% | +13,049+68.0% | Added |
| Quantbot Technologies LP | 31,052 | $2.61M | 0.07% | +15,056+94.1% | Added |
| Algert Global LLC | 30,548 | $2.57M | 0.05% | +1,690+5.9% | Added |
| Schonfeld Strategic Advisors LLC | 29,431 | $2.47M | 0.02% | +20,971+247.9% | Added |
| Great West Life Assurance Co | 29,268 | $2.46M | 0.00% | +293+1.0% | Added |
| Dark Forest Capital Management LP | 29,197 | $2.46M | 0.10% | +29,197 | New |
| Ingalls & Snyder LLC | 28,927 | $2.43M | 0.09% | 00.0% | Unchanged |
| Quest Partners LLC | 28,814 | $2.42M | 0.24% | +25,847+871.1% | Added |
| Citigroup Inc | 28,291 | $2.38M | 0.00% | −13,286−32.0% | Reduced |
| Nebula Research & Development LLC | 28,128 | $2.37M | 0.20% | +3,829+15.8% | Added |
| Franklin Resources Inc | 27,672 | $2.33M | 0.00% | +673+2.5% | Added |
| Alliancebernstein L.P. | 27,223 | $2.29M | 0.00% | −1,130−4.0% | Reduced |
| Bahl & Gaynor Inc | 26,575 | $2.23M | 0.01% | −4,368−14.1% | Reduced |
| Campbell & CO Investment Adviser LLC | 26,005 | $2.19M | 0.14% | +21,629+494.3% | Added |
| California State Teachers Retirement System | 23,062 | $1.94M | 0.00% | +179+0.8% | Added |
| Tudor Investment Corp Et Al | 22,773 | $1.91M | 0.01% | +9,458+71.0% | Added |
| Price T Rowe Associates Inc | 22,381 | $1.88M | 0.00% | +1,508+7.2% | Added |
| Jacobs Levy Equity Management, Inc | 22,056 | $1.85M | 0.01% | −4,136−15.8% | Reduced |
| Bridgeway Capital Management, LLC | 21,900 | $1.84M | 0.04% | −21,900−50.0% | Reduced |
| State of New Jersey Common Pension Fund D | 21,862 | $1.84M | 0.01% | +2,894+15.3% | Added |
| Connors Investor Services Inc | 21,566 | $1.81M | 0.16% | −47−0.2% | Reduced |
| Assenagon Asset Management S.A. | 21,143 | $1.78M | 0.00% | +21,143 | New |
| Intech Investment Management LLC | 20,969 | $1.76M | 0.02% | −1,054−4.8% | Reduced |
| Huber Capital Management LLC | 20,148 | $1.69M | 0.29% | −48,787−70.8% | Reduced |
| BNP Paribas Arbitrage, SA | 19,985 | $1.68M | 0.00% | +14,556+268.1% | Added |
| Holocene Advisors, LP | 19,441 | $1.63M | 0.00% | +11,713+151.6% | Added |
| Gsa Capital Partners LLP | 19,300 | $1.62M | 0.11% | +19,300 | New |
| Occudo Quantitative Strategies LP | 19,109 | $1.61M | 0.18% | −1,523−7.4% | Reduced |