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 $2.02B 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
- 24.9M
- +90.3K (+0.4%) vs. Q1 2026
- Total value
- $2.02B
- +$213.5M (+11.8%) vs. Q1 2026
- New holders
- 45
- 104 more added
- Sold out
- 27
- 96 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 | $2.02B |
| Q1 2026 | 266 | $1.82B |
| Q4 2025 | 261 | $1.86B |
| Q3 2025 | 267 | $1.87B |
| Q2 2025 | 262 | $2.03B |
| Q1 2025 | 272 | $2.32B |
| Q4 2024 | 262 | $2.66B |
| Q3 2024 | 261 | $2.76B |
| Q2 2024 | 266 | $2.99B |
| Q1 2024 | 239 | $3.20B |
| Q4 2023 | 223 | $3.00B |
| Q3 2023 | 212 | $2.44B |
| Q2 2023 | 205 | $2.39B |
| Q1 2023 | 219 | $2.45B |
| Q4 2022 | 223 | $2.44B |
| Q3 2022 | 193 | $2.08B |
| Q2 2022 | 199 | $2.29B |
| Q1 2022 | 188 | $2.20B |
| Q4 2021 | 184 | $2.15B |
| Q3 2021 | 188 | $1.98B |
| 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 4,381,323 | $356.6M | 0.01% | +502,348+13.0% | Added |
| Allspring Global Investments Holdings, LLC | 1,892,471 | $154.7M | 0.24% | −423,471−18.3% | Reduced |
| Vanguard Portfolio Management LLC | 1,884,244 | $153.4M | 0.01% | +24,153+1.3% | Added |
| Dimensional Fund Advisors LP | 1,305,038 | $106.2M | 0.02% | +62,949+5.1% | Added |
| Vanguard Capital Management LLC | 1,108,107 | $90.2M | 0.00% | −6,491−0.6% | Reduced |
| State Street Corp | 996,027 | $81.1M | 0.00% | +31,692+3.3% | Added |
| Nuveen, LLC | 755,723 | $61.5M | 0.01% | +112,475+17.5% | Added |
| Geode Capital Management, LLC | 666,589 | $54.3M | 0.00% | +35,997+5.7% | Added |
| Goldman Sachs Group Inc | 662,210 | $53.9M | 0.01% | +170,199+34.6% | Added |
| Victory Capital Management Inc | 660,110 | $53.7M | 0.03% | −204,884−23.7% | Reduced |
| Two Sigma Investments, LP | 568,709 | $46.3M | 0.03% | −24,330−4.1% | Reduced |
| Assenagon Asset Management S.A. | 545,564 | $44.4M | 0.03% | +54,680+11.1% | Added |
| AQR Capital Management LLC | 482,545 | $39.3M | 0.01% | +170,480+54.6% | Added |
| Brown Advisory Inc | 408,468 | $33.2M | 0.05% | +112,003+37.8% | Added |
| JPMorgan Chase & Co | 370,574 | $30.0M | 0.00% | −55,476−13.0% | Reduced |
| Charles Schwab Investment Management Inc | 355,658 | $28.9M | 0.00% | −10,216−2.8% | Reduced |
| Gendell Jeffrey L | 324,504 | $26.4M | 0.24% | +30,000+10.2% | Added |
| Royce & Associates LP | 308,726 | $25.1M | 0.20% | +47,390+18.1% | Added |
| Northern Trust Corp | 303,044 | $24.7M | 0.00% | +18,805+6.6% | Added |
| Qube Research & Technologies Ltd | 285,849 | $23.3M | 0.03% | −120,775−29.7% | Reduced |
| Acadian Asset Management LLC | 273,999 | $22.3M | 0.03% | +151,447+123.6% | Added |
| Western Standard LLC | 236,833 | $19.3M | 6.53% | +10,000+4.4% | Added |
| Bank of America Corp | 235,742 | $19.2M | 0.00% | −55,024−18.9% | Reduced |
| Morgan Stanley | 230,793 | $18.8M | 0.00% | −4,778−2.0% | Reduced |
| Renaissance Technologies LLC | 185,000 | $15.1M | 0.02% | +66,100+55.6% | Added |
| Panagora Asset Management Inc | 182,538 | $14.9M | 0.05% | +62,863+52.5% | Added |
| D. E. Shaw & Co., Inc. | 165,746 | $13.5M | 0.01% | −121,048−42.2% | Reduced |
| Vanguard Fiduciary Trust Co | 163,715 | $13.3M | 0.00% | +2,963+1.8% | Added |
| SEI Investments Co | 156,051 | $12.7M | 0.01% | −18,070−10.4% | Reduced |
| UBS Group AG | 154,001 | $12.5M | 0.00% | −411,910−72.8% | Reduced |
| First Wilshire Securities Management Inc | 147,112 | $12.0M | 2.47% | −960−0.6% | Reduced |
| Mackenzie Financial Corp | 144,677 | $11.8M | 0.01% | +144,677 | New |
| Bank of New York Mellon Corp | 137,261 | $11.2M | 0.00% | +5,970+4.5% | Added |
| Hotchkis & Wiley Capital Management LLC | 135,740 | $11.0M | 0.03% | +14,930+12.4% | Added |
| Jupiter Topco LLC | 127,976 | $10.4M | 0.00% | +127,976 | New |
| Leeward Investments, LLC - MA | 125,308 | $10.2M | 0.46% | +55,498+79.5% | Added |
| Principal Financial Group Inc | 119,053 | $9.69M | 0.00% | −1,424−1.2% | Reduced |
| Russell Investments Group, Ltd. | 118,614 | $9.64M | 0.01% | +47,007+65.6% | Added |
| Invesco Ltd. | 118,427 | $9.64M | 0.00% | +343+0.3% | Added |
| ZWJ Investment Counsel Inc | 108,502 | $8.83M | 0.29% | +4,715+4.5% | Added |
| Creative Planning | 104,224 | $8.48M | 0.00% | +66,589+176.9% | Added |
| Citadel Advisors LLC | 98,549 | $8.02M | 0.00% | −122,334−55.4% | Reduced |
| Deprince Race & Zollo Inc | 93,348 | $7.60M | 0.13% | +25,319+37.2% | Added |
| First Trust Advisors LP | 91,252 | $7.43M | 0.00% | +78,536+617.6% | Added |
| Teacher Retirement System of Texas | 85,463 | $6.96M | 0.02% | −17,639−17.1% | Reduced |
| Public Sector Pension Investment Board | 84,577 | $6.88M | 0.02% | −4,117−4.6% | Reduced |
| HRT Financial LP | 84,349 | $6.87M | 0.01% | −40,706−32.6% | Reduced |
| Mutual of America Capital Management LLC | 82,920 | $6.75M | 0.07% | −4,543−5.2% | Reduced |
| FMR LLC | 82,759 | $6.74M | 0.00% | +30,954+59.8% | Added |
| ProShare Advisors LLC | 81,232 | $6.61M | 0.01% | −8,609−9.6% | Reduced |
| UBS Asset Management Americas Inc | 73,457 | $5.98M | 0.00% | −986−1.3% | Reduced |
| SG Capital Management LLC | 71,022 | $5.78M | 0.52% | +71,022 | New |
| Numerai GP LLC | 66,931 | $5.45M | 0.45% | −9,685−12.6% | Reduced |
| Rhumbline Advisers | 65,055 | $5.29M | 0.00% | −6,102−8.6% | Reduced |
| Trexquant Investment LP | 60,528 | $4.93M | 0.03% | −17,842−22.8% | Reduced |
| Balyasny Asset Management LLC | 59,751 | $4.86M | 0.01% | +59,751 | New |
| Legal & General Group Plc | 58,841 | $4.79M | 0.00% | −279−0.5% | Reduced |
| American Century Companies Inc | 55,093 | $4.48M | 0.00% | −141−0.3% | Reduced |
| Ameriprise Financial Inc | 54,517 | $4.44M | 0.00% | −2,018−3.6% | Reduced |
| Swiss National Bank | 49,903 | $4.06M | 0.00% | +900+1.8% | Added |
| Ieq Capital, LLC | 45,343 | $3.69M | 0.02% | +5,383+13.5% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 43,995 | $3.58M | 0.01% | −17,674−28.7% | Reduced |
| Point72 Asset Management, L.P. | 42,648 | $3.47M | 0.01% | −124,146−74.4% | Reduced |
| Atom Investors LP | 40,870 | $3.33M | 0.30% | +99+0.2% | Added |
| BNP Paribas Arbitrage, SA | 39,514 | $3.22M | 0.00% | +1,547+4.1% | Added |
| Dark Forest Capital Management LP | 38,862 | $3.16M | 0.20% | +13,219+51.6% | Added |
| Franklin Resources Inc | 38,748 | $3.15M | 0.00% | +5,263+15.7% | Added |
| Intech Investment Management LLC | 38,292 | $3.12M | 0.03% | −6,675−14.8% | Reduced |
| SG Americas Securities, LLC | 37,665 | $3.07M | 0.00% | −23,203−38.1% | Reduced |
| Price T Rowe Associates Inc | 37,345 | $3.04M | 0.00% | +5,519+17.3% | Added |
| Arrowstreet Capital, Limited Partnership | 34,876 | $2.84M | 0.00% | +16,379+88.5% | Added |
| CM Management, LLC | 32,000 | $2.60M | 1.65% | +8,000+33.3% | Added |
| Voloridge Investment Management, LLC | 31,857 | $2.59M | 0.01% | −76,106−70.5% | Reduced |
| Cerity Partners LLC | 31,315 | $2.55M | 0.00% | +8,802+39.1% | Added |
| PDT Partners, LLC | 31,176 | $2.54M | 0.13% | −3,400−9.8% | Reduced |
| Wells Fargo & Company | 30,221 | $2.46M | 0.00% | +12,595+71.5% | Added |
| Edgestream Partners, L.P. | 29,208 | $2.38M | 0.07% | −5,018−14.7% | Reduced |
| Huber Capital Management LLC | 29,148 | $2.37M | 0.35% | +4,000+15.9% | Added |
| Ingalls & Snyder LLC | 28,927 | $2.35M | 0.06% | 00.0% | Unchanged |
| California State Teachers Retirement System | 27,765 | $2.26M | 0.00% | +236+0.9% | Added |
| Deutsche Bank AG | 27,565 | $2.24M | 0.00% | +4,815+21.2% | Added |
| Mariner, LLC | 26,935 | $2.19M | 0.00% | +7,225+36.7% | Added |
| Voya Investment Management LLC | 25,915 | $2.11M | 0.00% | +822+3.3% | Added |
| Citigroup Inc | 25,692 | $2.09M | 0.00% | +1,900+8.0% | Added |
| Alliancebernstein L.P. | 28,622 | $2.09M | 0.00% | +2,113+8.0% | Added |
| Prudential Financial Inc | 25,529 | $2.08M | 0.00% | +260+1.0% | Added |
| Barclays PLC | 24,713 | $2.01M | 0.00% | +3,524+16.6% | Added |
| ExodusPoint Capital Management, LP | 23,810 | $1.94M | 0.02% | +23,810 | New |
| HSBC Holdings PLC | 23,693 | $1.94M | 0.00% | −1,658−6.5% | Reduced |
| Holocene Advisors, LP | 23,760 | $1.93M | 0.00% | −2,713−10.2% | Reduced |
| Moran Wealth Management, LLC | 23,639 | $1.92M | 0.05% | −3,392−12.5% | Reduced |
| Connors Investor Services Inc | 23,363 | $1.90M | 0.16% | −9,732−29.4% | Reduced |
| KLP Kapitalforvaltning AS | 23,300 | $1.90M | 0.01% | 00.0% | Unchanged |
| Marshall Wace, LLP | 23,075 | $1.88M | 0.00% | −10,451−31.2% | Reduced |
| Wedge Capital Management L L P | 20,329 | $1.65M | 0.03% | −1,144−5.3% | Reduced |
| XTX Topco Ltd | 20,188 | $1.64M | 0.02% | −16,104−44.4% | Reduced |
| Linden Thomas Advisory Services, LLC | 19,815 | $1.61M | 0.13% | +8,005+67.8% | Added |
| Vanguard Asset Management, Ltd | 19,560 | $1.59M | 0.00% | +2,281+13.2% | Added |
| Great West Life Assurance Co | 19,508 | $1.59M | 0.00% | −797−3.9% | Reduced |
| Blackstone Group Inc. | 19,163 | $1.56M | 0.01% | +19,163 | New |