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, Q1 2025
Institutional positions in Innospec Inc. as of Mar 31, 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
- 272
- +12 vs. Q4 2024
- Shares held
- 24.5M
- +760.3K (+3.2%) vs. Q4 2024
- Total value
- $2.29B
- −$314.1M (−12.0%) vs. Q4 2024
- New holders
- 44
- 96 more added
- Sold out
- 32
- 91 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Innospec Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Aster Capital Management (DIFC) Ltd | 3,266 | $337.7K | 0.06% | +3,266 | New |
| CWM Advisors, LLC | 3,630 | $343.9K | 0.04% | −9−0.2% | Reduced |
| Mutual of America Capital Management LLC | 3,633 | $344.2K | 0.00% | −146−3.9% | Reduced |
| Allianz Asset Management GmbH | 3,644 | $345.3K | 0.00% | −1,379−27.5% | Reduced |
| Pictet Asset Management Holding SA | 3,648 | $345.6K | 0.00% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 3,729 | $353.3K | 0.05% | +3,729 | New |
| Aigen Investment Management, LP | 3,859 | $365.6K | 0.06% | +3,859 | New |
| Inceptionr LLC | 4,279 | $405.4K | 0.12% | +4,279 | New |
| Campbell & CO Investment Adviser LLC | 4,376 | $414.6K | 0.03% | +4,376 | New |
| Man Group plc | 4,426 | $419.4K | 0.00% | +1,205+37.4% | Added |
| Bailard, Inc. | 4,500 | $426.4K | 0.01% | +4,500 | New |
| GWM Advisors LLC | 4,567 | $432.7K | 0.00% | +1,243+37.4% | Added |
| Guggenheim Capital LLC | 4,643 | $439.9K | 0.00% | +1,914+70.1% | Added |
| Legacy Wealth Asset Management, LLC | 4,750 | $450.1K | 0.12% | −660−12.2% | Reduced |
| HGK Asset Management Inc | 4,823 | $457.0K | 0.09% | −100−2.0% | Reduced |
| Petrus Trust Company, LTA | 4,839 | $458.5K | 0.04% | +4,839 | New |
| Russell Investments Group, Ltd. | 4,995 | $473.3K | 0.00% | +753+17.8% | Added |
| KLP Kapitalforvaltning AS | 5,000 | $473.8K | 0.00% | 00.0% | Unchanged |
| Bank of Montreal | 5,021 | $475.7K | 0.00% | −1,472−22.7% | Reduced |
| US Bancorp | 5,082 | $481.5K | 0.00% | +207+4.2% | Added |
| Bell & Brown Wealth Advisors, LLC | 5,216 | $494.2K | 0.19% | 00.0% | Unchanged |
| Creative Planning | 5,307 | $502.8K | 0.00% | +560+11.8% | Added |
| Police & Firemen's Retirement System of New Jersey | 5,308 | $502.9K | 0.01% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 5,429 | $514.4K | 0.00% | +1,189+28.0% | Added |
| Hancock Whitney Corp | 5,435 | $515.0K | 0.02% | +347+6.8% | Added |
| CIBC World Markets Corp | 5,532 | $524.2K | 0.00% | +3,200+137.2% | Added |
| Scientech Research LLC | 5,612 | $531.7K | 0.14% | +5,612 | New |
| Gotham Asset Management, LLC | 5,617 | $532.2K | 0.00% | −67−1.2% | Reduced |
| Oregon Public Employees Retirement Fund | 5,731 | $543.0K | 0.01% | −169−2.9% | Reduced |
| ProShare Advisors LLC | 5,871 | $556.3K | 0.00% | −1,641−21.8% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 5,969 | $565.6K | 0.00% | +644+12.1% | Added |
| Caxton Associates LLP | 6,182 | $585.7K | 0.02% | +6,182 | New |
| Teacher Retirement System of Texas | 6,201 | $587.5K | 0.00% | −50,780−89.1% | Reduced |
| Keybank National Association | 6,616 | $626.9K | 0.00% | +1,187+21.9% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,649 | $630.0K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 6,756 | $640.1K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 7,114 | $674.0K | 0.01% | −203−2.8% | Reduced |
| Arizona State Retirement System | 7,143 | $676.8K | 0.00% | −80−1.1% | Reduced |
| Magnetar Financial LLC | 7,181 | $680.4K | 0.01% | +7,181 | New |
| Maryland State Retirement & Pension System | 7,276 | $689.4K | 0.02% | −1,083−13.0% | Reduced |
| Centiva Capital, LP | 7,320 | $693.6K | 0.04% | +7,320 | New |
| HSBC Holdings PLC | 7,398 | $700.2K | 0.00% | +208+2.9% | Added |
| Jump Financial, LLC | 7,451 | $706.0K | 0.01% | +693+10.3% | Added |
| New York State Common Retirement Fund | 7,711 | $730.6K | 0.00% | 00.0% | Unchanged |
| Holocene Advisors, LP | 7,728 | $732.2K | 0.00% | +7,728 | New |
| Teachers Retirement System of the State of Kentucky | 7,854 | $744.0K | 0.01% | 00.0% | Unchanged |
| Virtu Financial LLC | 8,297 | $786.0K | 0.04% | +8,297 | New |
| James Investment Research Inc | 8,334 | $789.6K | 0.10% | 00.0% | Unchanged |
| STRS Ohio | 8,400 | $795.9K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 8,429 | $798.7K | 0.00% | −208−2.4% | Reduced |
| Schonfeld Strategic Advisors LLC | 8,460 | $801.6K | 0.01% | +4,720+126.2% | Added |
| EntryPoint Capital, LLC | 8,932 | $846.3K | 0.39% | +5,314+146.9% | Added |
| Yousif Capital Management, LLC | 9,234 | $874.9K | 0.01% | −236−2.5% | Reduced |
| Walleye Capital LLC | 9,451 | $895.5K | 0.01% | +9,451 | New |
| Amundi | 10,638 | $940.9K | 0.00% | −2,380−18.3% | Reduced |
| Dynamic Technology Lab Private Ltd | 10,185 | $965.0K | 0.14% | +10,185 | New |
| Aquatic Capital Management LLC | 10,371 | $982.7K | 0.03% | +9,755+1,583.6% | Added |
| Tredje AP-fonden | 10,499 | $994.8K | 0.01% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 10,709 | $1.01M | 0.03% | +3,207+42.7% | Added |
| LPL Financial LLC | 10,776 | $1.02M | 0.00% | +1,193+12.4% | Added |
| ExodusPoint Capital Management, LP | 10,963 | $1.04M | 0.01% | +10,963 | New |
| Ensign Peak Advisors, Inc | 11,159 | $1.06M | 0.00% | 00.0% | Unchanged |
| B. Metzler seel. Sohn & Co. AG | 11,559 | $1.10M | 0.01% | −13,472−53.8% | Reduced |
| AMG National Trust Bank | 11,614 | $1.10M | 0.03% | +18+0.2% | Added |
| Louisiana State Employees Retirement System | 11,700 | $1.11M | 0.02% | −400−3.3% | Reduced |
| Linden Thomas Advisory Services, LLC | 11,926 | $1.13M | 0.15% | −41−0.3% | Reduced |
| Round Hill Asset Management | 11,974 | $1.13M | 0.82% | 00.0% | Unchanged |
| QSV Equity Investors LLC | 12,307 | $1.17M | 1.21% | −28−0.2% | Reduced |
| XTX Topco Ltd | 12,545 | $1.19M | 0.06% | +12,545 | New |
| New York State Teachers Retirement System | 12,696 | $1.20M | 0.00% | −2,285−15.3% | Reduced |
| Public Employees Retirement System of Ohio | 12,981 | $1.23M | 0.00% | −2,500−16.1% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 13,000 | $1.23M | 0.00% | 00.0% | Unchanged |
| Corebridge Financial, Inc. | 13,018 | $1.23M | 0.01% | −255−1.9% | Reduced |
| Cerity Partners LLC | 13,218 | $1.25M | 0.00% | −29−0.2% | Reduced |
| Illinois Municipal Retirement Fund | 13,218 | $1.25M | 0.02% | −211−1.6% | Reduced |
| Tudor Investment Corp Et Al | 13,315 | $1.26M | 0.01% | +13,315 | New |
| Manufacturers Life Insurance Company, The | 13,765 | $1.30M | 0.00% | +524+4.0% | Added |
| State of Alaska, Department of Revenue | 13,821 | $1.31M | 0.01% | −328−2.3% | Reduced |
| Verition Fund Management LLC | 14,208 | $1.35M | 0.01% | +11,817+494.2% | Added |
| AQR Capital Management LLC | 14,318 | $1.36M | 0.00% | −1,565−9.9% | Reduced |
| MetLife Investment Management | 14,730 | $1.40M | 0.01% | −496−3.3% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 14,833 | $1.41M | 0.00% | +645+4.5% | Added |
| Pathstone Holdings, LLC | 15,342 | $1.45M | 0.01% | −638−4.0% | Reduced |
| Point72 Asset Management, L.P. | 15,600 | $1.48M | 0.00% | +13,175+543.3% | Added |
| Quantbot Technologies LP | 15,996 | $1.52M | 0.05% | +15,996 | New |
| State of Tennessee, Treasury Department | 16,582 | $1.57M | 0.01% | +505+3.1% | Added |
| State of New Jersey Common Pension Fund D | 18,968 | $1.80M | 0.01% | +979+5.4% | Added |
| HRT Financial LP | 19,193 | $1.82M | 0.01% | +19,193 | New |
| Deutsche Bank AG | 19,710 | $1.87M | 0.00% | −2,273−10.3% | Reduced |
| CBOE Vest Financial, LLC | 20,379 | $1.93M | 0.03% | +20,379 | New |
| Occudo Quantitative Strategies LP | 20,632 | $1.96M | 0.26% | +15,869+333.2% | Added |
| Price T Rowe Associates Inc | 20,873 | $1.98M | 0.00% | +855+4.3% | Added |
| Connors Investor Services Inc | 21,613 | $2.05M | 0.20% | −243−1.1% | Reduced |
| Intech Investment Management LLC | 22,023 | $2.09M | 0.02% | +5,178+30.7% | Added |
| California State Teachers Retirement System | 22,883 | $2.17M | 0.00% | −439−1.9% | Reduced |
| Nebula Research & Development LLC | 24,299 | $2.30M | 0.21% | +12,625+108.1% | Added |
| Jacobs Levy Equity Management, Inc | 26,192 | $2.48M | 0.01% | −1,191−4.3% | Reduced |
| Franklin Resources Inc | 26,999 | $2.56M | 0.00% | +221+0.8% | Added |
| Envestnet Asset Management Inc | 28,194 | $2.67M | 0.00% | +640+2.3% | Added |
| Alliancebernstein L.P. | 28,353 | $2.69M | 0.00% | 00.0% | Unchanged |