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 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
- 24.6M
- −182.4K (−0.7%) vs. Q1 2026
- Total value
- $2.00B
- +$191.3M (+10.6%) vs. Q1 2026
- New holders
- 45
- 103 more added
- Sold out
- 27
- 97 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 | $2.00B |
| 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 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 |
|---|---|---|---|---|---|
| Deutsche Bank AG | 27,565 | $2.24M | 0.00% | +4,815+21.2% | Added |
| California State Teachers Retirement System | 27,765 | $2.26M | 0.00% | +236+0.9% | Added |
| Ingalls & Snyder LLC | 28,927 | $2.35M | 0.06% | 00.0% | Unchanged |
| Huber Capital Management LLC | 29,148 | $2.37M | 0.35% | +4,000+15.9% | Added |
| Edgestream Partners, L.P. | 29,208 | $2.38M | 0.07% | −5,018−14.7% | Reduced |
| Wells Fargo & Company | 30,221 | $2.46M | 0.00% | +12,595+71.5% | Added |
| PDT Partners, LLC | 31,176 | $2.54M | 0.13% | −3,400−9.8% | Reduced |
| Cerity Partners LLC | 31,315 | $2.55M | 0.00% | +8,802+39.1% | Added |
| Voloridge Investment Management, LLC | 31,857 | $2.59M | 0.01% | −76,106−70.5% | Reduced |
| CM Management, LLC | 32,000 | $2.60M | 1.65% | +8,000+33.3% | Added |
| Arrowstreet Capital, Limited Partnership | 34,876 | $2.84M | 0.00% | +16,379+88.5% | Added |
| Price T Rowe Associates Inc | 37,345 | $3.04M | 0.00% | +5,519+17.3% | Added |
| SG Americas Securities, LLC | 37,665 | $3.07M | 0.00% | −23,203−38.1% | Reduced |
| Intech Investment Management LLC | 38,292 | $3.12M | 0.03% | −6,675−14.8% | Reduced |
| Franklin Resources Inc | 38,748 | $3.15M | 0.00% | +5,263+15.7% | Added |
| Dark Forest Capital Management LP | 38,862 | $3.16M | 0.20% | +13,219+51.6% | Added |
| BNP Paribas Arbitrage, SA | 39,514 | $3.22M | 0.00% | +1,547+4.1% | Added |
| Atom Investors LP | 40,870 | $3.33M | 0.30% | +99+0.2% | Added |
| Point72 Asset Management, L.P. | 42,648 | $3.47M | 0.01% | −124,146−74.4% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 43,995 | $3.58M | 0.01% | −17,674−28.7% | Reduced |
| Ieq Capital, LLC | 45,343 | $3.69M | 0.02% | +5,383+13.5% | Added |
| Swiss National Bank | 49,903 | $4.06M | 0.00% | +900+1.8% | Added |
| Ameriprise Financial Inc | 54,517 | $4.44M | 0.00% | −2,018−3.6% | Reduced |
| American Century Companies Inc | 55,093 | $4.48M | 0.00% | −141−0.3% | Reduced |
| Legal & General Group Plc | 58,841 | $4.79M | 0.00% | −279−0.5% | Reduced |
| Balyasny Asset Management LLC | 59,751 | $4.86M | 0.01% | +59,751 | New |
| Trexquant Investment LP | 60,528 | $4.93M | 0.03% | −17,842−22.8% | Reduced |
| Rhumbline Advisers | 65,055 | $5.29M | 0.00% | −6,102−8.6% | Reduced |
| Numerai GP LLC | 66,931 | $5.45M | 0.45% | −9,685−12.6% | Reduced |
| SG Capital Management LLC | 71,022 | $5.78M | 0.52% | +71,022 | New |
| UBS Asset Management Americas Inc | 73,457 | $5.98M | 0.00% | −986−1.3% | Reduced |
| ProShare Advisors LLC | 81,232 | $6.61M | 0.01% | −8,609−9.6% | Reduced |
| FMR LLC | 82,759 | $6.74M | 0.00% | +30,954+59.8% | Added |
| Mutual of America Capital Management LLC | 82,920 | $6.75M | 0.07% | −4,543−5.2% | Reduced |
| HRT Financial LP | 84,349 | $6.87M | 0.01% | −40,706−32.6% | Reduced |
| Public Sector Pension Investment Board | 84,577 | $6.88M | 0.02% | −4,117−4.6% | Reduced |
| Teacher Retirement System of Texas | 85,463 | $6.96M | 0.02% | −17,639−17.1% | Reduced |
| First Trust Advisors LP | 91,252 | $7.43M | 0.00% | +78,536+617.6% | Added |
| Deprince Race & Zollo Inc | 93,348 | $7.60M | 0.13% | +25,319+37.2% | Added |
| Citadel Advisors LLC | 98,549 | $8.02M | 0.00% | −122,334−55.4% | Reduced |
| Creative Planning | 104,224 | $8.48M | 0.00% | +66,589+176.9% | Added |
| ZWJ Investment Counsel Inc | 108,502 | $8.83M | 0.29% | +4,715+4.5% | Added |
| Invesco Ltd. | 118,427 | $9.64M | 0.00% | +343+0.3% | Added |
| Russell Investments Group, Ltd. | 118,614 | $9.64M | 0.01% | +47,007+65.6% | Added |
| Principal Financial Group Inc | 119,053 | $9.69M | 0.00% | −1,424−1.2% | Reduced |
| Leeward Investments, LLC - MA | 125,308 | $10.2M | 0.46% | +55,498+79.5% | Added |
| Jupiter Topco LLC | 127,976 | $10.4M | 0.00% | +127,976 | New |
| Hotchkis & Wiley Capital Management LLC | 135,740 | $11.0M | 0.03% | +14,930+12.4% | Added |
| Bank of New York Mellon Corp | 137,261 | $11.2M | 0.00% | +5,970+4.5% | Added |
| Mackenzie Financial Corp | 144,677 | $11.8M | 0.01% | +144,677 | New |
| First Wilshire Securities Management Inc | 147,112 | $12.0M | 2.47% | −960−0.6% | Reduced |
| UBS Group AG | 154,001 | $12.5M | 0.00% | −411,910−72.8% | Reduced |
| SEI Investments Co | 156,051 | $12.7M | 0.01% | −18,070−10.4% | Reduced |
| Vanguard Fiduciary Trust Co | 163,715 | $13.3M | 0.00% | +2,963+1.8% | Added |
| D. E. Shaw & Co., Inc. | 165,746 | $13.5M | 0.01% | −121,048−42.2% | Reduced |
| Panagora Asset Management Inc | 182,538 | $14.9M | 0.05% | +62,863+52.5% | Added |
| Renaissance Technologies LLC | 185,000 | $15.1M | 0.02% | +66,100+55.6% | Added |
| Morgan Stanley | 230,793 | $18.8M | 0.00% | −4,778−2.0% | Reduced |
| Bank of America Corp | 235,742 | $19.2M | 0.00% | −55,024−18.9% | Reduced |
| Western Standard LLC | 236,833 | $19.3M | 6.53% | +10,000+4.4% | Added |
| Assenagon Asset Management S.A. | 272,782 | $22.2M | 0.03% | −218,102−44.4% | Reduced |
| Acadian Asset Management LLC | 273,999 | $22.3M | 0.03% | +151,447+123.6% | Added |
| Qube Research & Technologies Ltd | 285,849 | $23.3M | 0.03% | −120,775−29.7% | Reduced |
| Northern Trust Corp | 303,044 | $24.7M | 0.00% | +18,805+6.6% | Added |
| Royce & Associates LP | 308,726 | $25.1M | 0.20% | +47,390+18.1% | Added |
| Gendell Jeffrey L | 324,504 | $26.4M | 0.24% | +30,000+10.2% | Added |
| Charles Schwab Investment Management Inc | 355,658 | $28.9M | 0.00% | −10,216−2.8% | Reduced |
| JPMorgan Chase & Co | 370,574 | $30.0M | 0.00% | −55,476−13.0% | Reduced |
| Brown Advisory Inc | 408,468 | $33.2M | 0.05% | +112,003+37.8% | Added |
| AQR Capital Management LLC | 482,545 | $39.3M | 0.01% | +170,480+54.6% | Added |
| Two Sigma Investments, LP | 568,709 | $46.3M | 0.03% | −24,330−4.1% | Reduced |
| Victory Capital Management Inc | 660,110 | $53.7M | 0.03% | −204,884−23.7% | Reduced |
| Goldman Sachs Group Inc | 662,210 | $53.9M | 0.01% | +170,199+34.6% | Added |
| Geode Capital Management, LLC | 666,589 | $54.3M | 0.00% | +35,997+5.7% | Added |
| Nuveen, LLC | 755,723 | $61.5M | 0.01% | +112,475+17.5% | Added |
| State Street Corp | 996,027 | $81.1M | 0.00% | +31,692+3.3% | Added |
| Vanguard Capital Management LLC | 1,108,107 | $90.2M | 0.00% | −6,491−0.6% | Reduced |
| Dimensional Fund Advisors LP | 1,305,038 | $106.2M | 0.02% | +62,949+5.1% | Added |
| Vanguard Portfolio Management LLC | 1,884,244 | $153.4M | 0.01% | +24,153+1.3% | Added |
| Allspring Global Investments Holdings, LLC | 1,892,471 | $154.7M | 0.24% | −423,471−18.3% | Reduced |
| BlackRock, Inc. | 4,381,323 | $356.6M | 0.01% | +502,348+13.0% | Added |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −94,506−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −61,427−100.0% | Sold out |
| Penn Capital Management Co Inc | 0 | $0 | 0.00% | −33,286−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −20,834−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −18,751−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −18,185−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −17,515−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −14,430−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −10,359−100.0% | Sold out |
| HGK Asset Management Inc | 0 | $0 | 0.00% | −8,373−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −6,784−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −5,950−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −4,726−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −4,700−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −4,363−100.0% | Sold out |
| Polymer Capital Management (US) LLC | 0 | $0 | 0.00% | −4,269−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −3,928−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −3,918−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −3,784−100.0% | Sold out |