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 |
|---|---|---|---|---|---|
| KLP Kapitalforvaltning AS | 5,000 | $420.4K | 0.00% | 00.0% | Unchanged |
| DRW Securities, LLC | 5,109 | $429.6K | 0.03% | +2,772+118.6% | Added |
| Caxton Associates LLP | 5,116 | $430.2K | 0.01% | −1,066−17.2% | Reduced |
| Burney Co | 5,291 | $444.9K | 0.02% | −24,154−82.0% | Reduced |
| Russell Investments Group, Ltd. | 5,348 | $449.8K | 0.00% | +353+7.1% | Added |
| CWM, LLC | 5,492 | $462.0K | 0.00% | +4,860+769.0% | Added |
| R Squared Ltd | 5,511 | $463.4K | 0.26% | +2,741+99.0% | Added |
| Guggenheim Capital LLC | 5,552 | $466.9K | 0.00% | +909+19.6% | Added |
| Police & Firemen's Retirement System of New Jersey | 5,628 | $473.3K | 0.00% | +320+6.0% | Added |
| Oregon Public Employees Retirement Fund | 5,731 | $481.9K | 0.01% | 00.0% | Unchanged |
| Petrus Trust Company, LTA | 6,135 | $515.9K | 0.05% | +1,296+26.8% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 6,408 | $538.8K | 0.00% | +439+7.4% | Added |
| Aigen Investment Management, LP | 6,422 | $540.0K | 0.07% | +2,563+66.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,649 | $559.1K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 6,693 | $562.8K | 0.00% | −4,083−37.9% | Reduced |
| Tower Research Capital LLC (TRC) | 6,710 | $564.2K | 0.02% | +6,430+2,296.4% | Added |
| Axq Capital, LP | 6,751 | $567.7K | 0.18% | +6,751 | New |
| State Board of Administration of Florida Retirement System | 6,756 | $568.1K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 7,127 | $599.0K | 0.00% | +13+0.2% | Added |
| Maryland State Retirement & Pension System | 7,276 | $611.8K | 0.01% | 00.0% | Unchanged |
| Arizona State Retirement System | 7,318 | $615.4K | 0.00% | +175+2.4% | Added |
| Teachers Retirement System of the State of Kentucky | 7,339 | $617.0K | 0.00% | −515−6.6% | Reduced |
| STRS Ohio | 7,400 | $622.3K | 0.00% | −1,000−11.9% | Reduced |
| Squarepoint Ops LLC | 7,727 | $649.8K | 0.00% | +7,727 | New |
| XTX Topco Ltd | 8,039 | $676.0K | 0.03% | −4,506−35.9% | Reduced |
| James Investment Research Inc | 8,334 | $700.8K | 0.08% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 8,911 | $749.3K | 0.00% | +1,200+15.6% | Added |
| Brevan Howard Capital Management LP | 9,053 | $761.3K | 0.01% | −1,656−15.5% | Reduced |
| Yousif Capital Management, LLC | 9,275 | $779.9K | 0.01% | +41+0.4% | Added |
| Freestone Grove Partners LP | 9,277 | $780.1K | 0.01% | +9,277 | New |
| State of Wisconsin Investment Board | 9,592 | $806.6K | 0.00% | +6,937+261.3% | Added |
| Ieq Capital, LLC | 9,977 | $839.0K | 0.01% | +9,977 | New |
| CM Management, LLC | 10,000 | $840.9K | 0.77% | +10,000 | New |
| Entropy Technologies, LP | 10,379 | $872.8K | 0.07% | +10,379 | New |
| Pathstone Holdings, LLC | 10,509 | $883.7K | 0.00% | −4,833−31.5% | Reduced |
| Point72 Asset Management, L.P. | 11,048 | $929.1K | 0.00% | −4,552−29.2% | Reduced |
| Ensign Peak Advisors, Inc | 11,159 | $938.4K | 0.00% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 11,596 | $975.0K | 0.00% | −1,100−8.7% | Reduced |
| Louisiana State Employees Retirement System | 11,700 | $983.9K | 0.02% | 00.0% | Unchanged |
| Linden Thomas Advisory Services, LLC | 11,736 | $986.9K | 0.11% | −190−1.6% | Reduced |
| HSBC Holdings PLC | 11,857 | $1.00M | 0.00% | +4,459+60.3% | Added |
| Round Hill Asset Management | 11,974 | $1.01M | 0.68% | 00.0% | Unchanged |
| Comerica Bank | 12,095 | $1.02M | 0.00% | +3,666+43.5% | Added |
| QSV Equity Investors LLC | 12,165 | $1.02M | 1.07% | −142−1.2% | Reduced |
| Jump Financial, LLC | 12,259 | $1.03M | 0.01% | +4,808+64.5% | Added |
| Illinois Municipal Retirement Fund | 12,917 | $1.09M | 0.01% | −301−2.3% | Reduced |
| Aquatic Capital Management LLC | 13,024 | $1.10M | 0.02% | +2,653+25.6% | Added |
| Manufacturers Life Insurance Company, The | 13,127 | $1.10M | 0.00% | −638−4.6% | Reduced |
| PDT Partners, LLC | 13,443 | $1.13M | 0.06% | +13,443 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 13,772 | $1.16M | 0.00% | −1,061−7.2% | Reduced |
| State of Alaska, Department of Revenue | 14,845 | $1.25M | 0.01% | +1,024+7.4% | Added |
| Cerity Partners LLC | 14,833 | $1.25M | 0.00% | +1,615+12.2% | Added |
| MetLife Investment Management | 14,889 | $1.25M | 0.01% | +159+1.1% | Added |
| Wedge Capital Management L L P | 14,952 | $1.26M | 0.02% | +14,952 | New |
| Public Employees Retirement System of Ohio | 14,957 | $1.26M | 0.00% | +1,976+15.2% | Added |
| Tredje AP-fonden | 15,047 | $1.27M | 0.01% | +4,548+43.3% | Added |
| Deutsche Bank AG | 16,395 | $1.38M | 0.00% | −3,315−16.8% | Reduced |
| State of Tennessee, Treasury Department | 16,582 | $1.39M | 0.00% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 16,801 | $1.41M | 0.19% | +6,616+65.0% | Added |
| Envestnet Asset Management Inc | 17,253 | $1.45M | 0.00% | −10,941−38.8% | Reduced |
| CBOE Vest Financial, LLC | 18,253 | $1.53M | 0.02% | −2,126−10.4% | Reduced |
| Royal Bank of Canada | 18,501 | $1.56M | 0.00% | −11,766−38.9% | Reduced |
| Occudo Quantitative Strategies LP | 19,109 | $1.61M | 0.18% | −1,523−7.4% | Reduced |
| Gsa Capital Partners LLP | 19,300 | $1.62M | 0.11% | +19,300 | New |
| Holocene Advisors, LP | 19,441 | $1.63M | 0.00% | +11,713+151.6% | Added |
| BNP Paribas Arbitrage, SA | 19,985 | $1.68M | 0.00% | +14,556+268.1% | Added |
| Huber Capital Management LLC | 20,148 | $1.69M | 0.29% | −48,787−70.8% | Reduced |
| Intech Investment Management LLC | 20,969 | $1.76M | 0.02% | −1,054−4.8% | Reduced |
| Assenagon Asset Management S.A. | 21,143 | $1.78M | 0.00% | +21,143 | New |
| Connors Investor Services Inc | 21,566 | $1.81M | 0.16% | −47−0.2% | Reduced |
| State of New Jersey Common Pension Fund D | 21,862 | $1.84M | 0.01% | +2,894+15.3% | Added |
| Bridgeway Capital Management, LLC | 21,900 | $1.84M | 0.04% | −21,900−50.0% | Reduced |
| Jacobs Levy Equity Management, Inc | 22,056 | $1.85M | 0.01% | −4,136−15.8% | Reduced |
| Price T Rowe Associates Inc | 22,381 | $1.88M | 0.00% | +1,508+7.2% | Added |
| Tudor Investment Corp Et Al | 22,773 | $1.91M | 0.01% | +9,458+71.0% | Added |
| California State Teachers Retirement System | 23,062 | $1.94M | 0.00% | +179+0.8% | Added |
| Campbell & CO Investment Adviser LLC | 26,005 | $2.19M | 0.14% | +21,629+494.3% | Added |
| Bahl & Gaynor Inc | 26,575 | $2.23M | 0.01% | −4,368−14.1% | Reduced |
| Alliancebernstein L.P. | 27,223 | $2.29M | 0.00% | −1,130−4.0% | Reduced |
| Franklin Resources Inc | 27,672 | $2.33M | 0.00% | +673+2.5% | Added |
| Nebula Research & Development LLC | 28,128 | $2.37M | 0.20% | +3,829+15.8% | Added |
| Citigroup Inc | 28,291 | $2.38M | 0.00% | −13,286−32.0% | Reduced |
| Quest Partners LLC | 28,814 | $2.42M | 0.24% | +25,847+871.1% | Added |
| Ingalls & Snyder LLC | 28,927 | $2.43M | 0.09% | 00.0% | Unchanged |
| Dark Forest Capital Management LP | 29,197 | $2.46M | 0.10% | +29,197 | New |
| Great West Life Assurance Co | 29,268 | $2.46M | 0.00% | +293+1.0% | Added |
| Schonfeld Strategic Advisors LLC | 29,431 | $2.47M | 0.02% | +20,971+247.9% | Added |
| Algert Global LLC | 30,548 | $2.57M | 0.05% | +1,690+5.9% | Added |
| Quantbot Technologies LP | 31,052 | $2.61M | 0.07% | +15,056+94.1% | Added |
| HRT Financial LP | 32,242 | $2.71M | 0.01% | +13,049+68.0% | Added |
| Twinbeech Capital LP | 32,249 | $2.71M | 0.06% | +32,249 | New |
| Verition Fund Management LLC | 32,618 | $2.74M | 0.02% | +18,410+129.6% | Added |
| Thrivent Financial for Lutherans | 35,757 | $3.01M | 0.01% | −742−2.0% | Reduced |
| Prudential Financial Inc | 26,049 | $3.05M | 0.00% | +1,650+6.8% | Added |
| Susquehanna International Group, LLP | 36,861 | $3.10M | 0.00% | +2,558+7.5% | Added |
| Engineers Gate Manager LP | 39,062 | $3.28M | 0.04% | +7,827+25.1% | Added |
| ZWJ Investment Counsel Inc | 39,420 | $3.31M | 0.12% | −6,891−14.9% | Reduced |
| Walleye Capital LLC | 40,120 | $3.37M | 0.03% | +30,669+324.5% | Added |
| Y-Intercept (Hong Kong) Ltd | 41,245 | $3.47M | 0.08% | +41,245 | New |
| Moran Wealth Management, LLC | 42,603 | $3.58M | 0.11% | −2,422−5.4% | Reduced |