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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,747,726 | $355.1M | 0.01% | −160,221−4.1% | Reduced |
| Vanguard Group Inc | 3,210,768 | $304.2M | 0.01% | +30,031+0.9% | Added |
| Allspring Global Investments Holdings, LLC | 2,404,825 | $227.4M | 0.39% | +19,018+0.8% | Added |
| Dimensional Fund Advisors LP | 1,158,017 | $109.7M | 0.03% | −5660.0% | Reduced |
| Victory Capital Management Inc | 1,106,482 | $104.8M | 0.11% | +184,262+20.0% | Added |
| State Street Corp | 1,011,441 | $95.8M | 0.00% | −24,113−2.3% | Reduced |
| First Trust Advisors LP | 892,153 | $84.5M | 0.07% | +462,232+107.5% | Added |
| Geode Capital Management, LLC | 705,135 | $66.8M | 0.01% | +13,064+1.9% | Added |
| Royce & Associates LP | 653,636 | $61.9M | 0.67% | −124,075−16.0% | Reduced |
| Wasatch Advisors Inc | 528,144 | $50.0M | 0.28% | −1,051,971−66.6% | Reduced |
| Janus Henderson Group PLC | 474,518 | $45.2M | 0.02% | +6,580+1.4% | Added |
| Nuveen, LLC | 453,465 | $43.0M | 0.01% | +453,465 | New |
| Westwood Holdings Group Inc. | 382,410 | $36.2M | 0.27% | +84,314+28.3% | Added |
| Charles Schwab Investment Management Inc | 354,706 | $33.6M | 0.01% | +2,129+0.6% | Added |
| Brown Advisory Inc | 329,415 | $31.2M | 0.04% | +329,415 | New |
| Voya Investment Management LLC | 327,289 | $31.0M | 0.03% | +126,750+63.2% | Added |
| Northern Trust Corp | 318,306 | $30.2M | 0.00% | −9,170−2.8% | Reduced |
| JPMorgan Chase & Co | 273,012 | $25.9M | 0.00% | −39,868−12.7% | Reduced |
| Invesco Ltd. | 249,877 | $23.7M | 0.00% | −202,282−44.7% | Reduced |
| Bank of America Corp | 243,686 | $23.1M | 0.00% | +10,232+4.4% | Added |
| Morgan Stanley | 239,195 | $22.7M | 0.00% | +1,318+0.6% | Added |
| Bank of New York Mellon Corp | 228,739 | $21.7M | 0.00% | −8,877−3.7% | Reduced |
| Voloridge Investment Management, LLC | 189,786 | $18.0M | 0.07% | +147,326+347.0% | Added |
| Raymond James Financial Inc | 187,216 | $17.7M | 0.01% | −3,520−1.8% | Reduced |
| Qube Research & Technologies Ltd | 178,217 | $16.9M | 0.03% | +85,047+91.3% | Added |
| Millennium Management LLC | 170,414 | $16.1M | 0.02% | +168,355+8,176.5% | Added |
| Financial Harvest, LLC | 433,843 | $12.6M | 12.79% | +433,843 | New |
| Principal Financial Group Inc | 132,493 | $12.6M | 0.01% | +3,045+2.4% | Added |
| Goldman Sachs Group Inc | 132,399 | $12.5M | 0.00% | +8,014+6.4% | Added |
| Cubist Systematic Strategies, LLC | 130,427 | $12.4M | 0.16% | +86,780+198.8% | Added |
| Renaissance Technologies LLC | 126,900 | $12.0M | 0.02% | +122,100+2,543.8% | Added |
| Norges Bank | 105,689 | $10.0M | 0.00% | +2,910+2.8% | Added |
| UBS Asset Management Americas Inc | 101,773 | $9.64M | 0.00% | +12,755+14.3% | Added |
| D. E. Shaw & Co., Inc. | 99,076 | $9.39M | 0.01% | +61,044+160.5% | Added |
| Segall Bryant & Hamill, LLC | 97,941 | $9.28M | 0.14% | −2,734−2.7% | Reduced |
| Jane Street Group, LLC | 95,243 | $9.02M | 0.02% | +89,476+1,551.5% | Added |
| UBS Group AG | 81,865 | $7.76M | 0.00% | −2,807−3.3% | Reduced |
| Public Sector Pension Investment Board | 79,121 | $7.50M | 0.03% | +16,993+27.4% | Added |
| Panagora Asset Management Inc | 79,098 | $7.49M | 0.04% | +260.0% | Added |
| Kirr Marbach & Co LLC | 79,066 | $7.49M | 1.74% | +1,370+1.8% | Added |
| Two Sigma Investments, LP | 78,446 | $7.43M | 0.02% | +65,276+495.6% | Added |
| Rhumbline Advisers | 77,760 | $7.37M | 0.01% | +6,602+9.3% | Added |
| Gendell Jeffrey L | 77,247 | $7.32M | 0.32% | −18,070−19.0% | Reduced |
| Leeward Investments, LLC - MA | 76,439 | $7.24M | 0.39% | −3,591−4.5% | Reduced |
| Citadel Advisors LLC | 75,144 | $7.12M | 0.01% | +49,721+195.6% | Added |
| Edgestream Partners, L.P. | 70,039 | $6.64M | 0.23% | +56,991+436.8% | Added |
| Huber Capital Management LLC | 68,935 | $6.53M | 1.23% | +19,800+40.3% | Added |
| Legal & General Group Plc | 68,730 | $6.51M | 0.00% | −2,919−4.1% | Reduced |
| Ameriprise Financial Inc | 66,087 | $6.26M | 0.00% | −3,491−5.0% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 60,545 | $5.74M | 0.02% | −760−1.2% | Reduced |
| Trexquant Investment LP | 60,346 | $5.72M | 0.07% | +39,979+196.3% | Added |
| Wells Fargo & Company | 53,216 | $5.04M | 0.00% | −2,486−4.5% | Reduced |
| SEI Investments Co | 48,601 | $4.60M | 0.01% | −90,572−65.1% | Reduced |
| Swiss National Bank | 48,303 | $4.58M | 0.00% | −800−1.6% | Reduced |
| American Century Companies Inc | 47,545 | $4.50M | 0.00% | +10,309+27.7% | Added |
| ZWJ Investment Counsel Inc | 46,311 | $4.39M | 0.18% | +2,885+6.6% | Added |
| Moran Wealth Management, LLC | 45,025 | $4.27M | 0.14% | −3,139−6.5% | Reduced |
| Bridgeway Capital Management, LLC | 43,800 | $4.15M | 0.10% | 00.0% | Unchanged |
| Citigroup Inc | 41,577 | $3.94M | 0.00% | +6,400+18.2% | Added |
| Two Sigma Advisers, LP | 38,300 | $3.63M | 0.01% | +28,200+279.2% | Added |
| Thrivent Financial for Lutherans | 36,499 | $3.46M | 0.01% | −959−2.6% | Reduced |
| Barclays PLC | 36,487 | $3.46M | 0.00% | −9,173−20.1% | Reduced |
| Balyasny Asset Management LLC | 36,001 | $3.41M | 0.01% | +36,001 | New |
| Susquehanna International Group, LLP | 34,303 | $3.25M | 0.01% | +22,676+195.0% | Added |
| Engineers Gate Manager LP | 31,235 | $2.96M | 0.05% | +27,871+828.5% | Added |
| Bahl & Gaynor Inc | 30,943 | $2.93M | 0.01% | −5,013−13.9% | Reduced |
| Prudential Financial Inc | 24,399 | $2.90M | 0.00% | −970−3.8% | Reduced |
| Royal Bank of Canada | 30,267 | $2.87M | 0.00% | −769−2.5% | Reduced |
| Burney Co | 29,445 | $2.79M | 0.10% | +2,010+7.3% | Added |
| Great West Life Assurance Co | 28,975 | $2.75M | 0.00% | −2,231−7.1% | Reduced |
| Ingalls & Snyder LLC | 28,927 | $2.74M | 0.09% | +59+0.2% | Added |
| Algert Global LLC | 28,858 | $2.73M | 0.07% | −5,357−15.7% | Reduced |
| Alliancebernstein L.P. | 28,353 | $2.69M | 0.00% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 28,194 | $2.67M | 0.00% | +640+2.3% | Added |
| Franklin Resources Inc | 26,999 | $2.56M | 0.00% | +221+0.8% | Added |
| Jacobs Levy Equity Management, Inc | 26,192 | $2.48M | 0.01% | −1,191−4.3% | Reduced |
| Nebula Research & Development LLC | 24,299 | $2.30M | 0.21% | +12,625+108.1% | Added |
| California State Teachers Retirement System | 22,883 | $2.17M | 0.00% | −439−1.9% | Reduced |
| Intech Investment Management LLC | 22,023 | $2.09M | 0.02% | +5,178+30.7% | Added |
| Connors Investor Services Inc | 21,613 | $2.05M | 0.20% | −243−1.1% | Reduced |
| Price T Rowe Associates Inc | 20,873 | $1.98M | 0.00% | +855+4.3% | Added |
| Occudo Quantitative Strategies LP | 20,632 | $1.96M | 0.26% | +15,869+333.2% | Added |
| CBOE Vest Financial, LLC | 20,379 | $1.93M | 0.03% | +20,379 | New |
| Deutsche Bank AG | 19,710 | $1.87M | 0.00% | −2,273−10.3% | Reduced |
| HRT Financial LP | 19,193 | $1.82M | 0.01% | +19,193 | New |
| State of New Jersey Common Pension Fund D | 18,968 | $1.80M | 0.01% | +979+5.4% | Added |
| State of Tennessee, Treasury Department | 16,582 | $1.57M | 0.01% | +505+3.1% | Added |
| Quantbot Technologies LP | 15,996 | $1.52M | 0.05% | +15,996 | New |
| Point72 Asset Management, L.P. | 15,600 | $1.48M | 0.00% | +13,175+543.3% | Added |
| Pathstone Holdings, LLC | 15,342 | $1.45M | 0.01% | −638−4.0% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 14,833 | $1.41M | 0.00% | +645+4.5% | Added |
| MetLife Investment Management | 14,730 | $1.40M | 0.01% | −496−3.3% | Reduced |
| AQR Capital Management LLC | 14,318 | $1.36M | 0.00% | −1,565−9.9% | Reduced |
| Verition Fund Management LLC | 14,208 | $1.35M | 0.01% | +11,817+494.2% | Added |
| State of Alaska, Department of Revenue | 13,821 | $1.31M | 0.01% | −328−2.3% | Reduced |
| Manufacturers Life Insurance Company, The | 13,765 | $1.30M | 0.00% | +524+4.0% | Added |
| Tudor Investment Corp Et Al | 13,315 | $1.26M | 0.01% | +13,315 | New |
| Illinois Municipal Retirement Fund | 13,218 | $1.25M | 0.02% | −211−1.6% | Reduced |
| Cerity Partners LLC | 13,218 | $1.25M | 0.00% | −29−0.2% | Reduced |
| Corebridge Financial, Inc. | 13,018 | $1.23M | 0.01% | −255−1.9% | Reduced |