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, Q4 2025
Institutional positions in Innospec Inc. as of Dec 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
- 261
- +1 vs. Q3 2025
- Shares held
- 24.3M
- +496.4K (+2.1%) vs. Q3 2025
- Total value
- $1.86B
- +$23.6M (+1.3%) vs. Q3 2025
- New holders
- 31
- 104 more added
- Sold out
- 30
- 92 more reduced
6 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Innospec Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Torren Management, LLC | 0 | $17 | 0.00% | 0 | New |
| Dunhill Financial, LLC | 1 | $40 | 0.00% | +1 | New |
| Bay Harbor Wealth Management, LLC | 1 | $76 | 0.00% | −1−50.0% | Reduced |
| DiNuzzo Private Wealth, Inc. | 1 | $77 | 0.00% | −4−80.0% | Reduced |
| Rialto Wealth Management, LLC | 1 | $77 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1 | $77 | 0.00% | 00.0% | Unchanged |
| HFM Investment Advisors, LLC | 1 | $77 | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 1 | $77 | 0.00% | +1 | New |
| Abound Wealth Management | 2 | $154 | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 4 | $306 | 0.00% | −5−55.6% | Reduced |
| JFS Wealth Advisors, LLC | 5 | $383 | 0.00% | −3−37.5% | Reduced |
| CIBC Private Wealth Group, LLC | 6 | $459 | 0.00% | +6 | New |
| Harbour Investments, Inc. | 8 | $612 | 0.00% | −59−88.1% | Reduced |
| Clearstead Advisors, LLC | 8 | $613 | 0.00% | −177−95.7% | Reduced |
| Cornerstone Planning Group LLC | 8 | $634 | 0.00% | +8 | New |
| First Horizon Corp | 9 | $689 | 0.00% | 00.0% | Unchanged |
| WPG Advisers, LLC | 10 | $765 | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 12 | $919 | 0.00% | +10+500.0% | Added |
| Kilter Group LLC | 16 | $1.23K | 0.00% | +16 | New |
| Farmers & Merchants Investments Inc | 18 | $1.38K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 19 | $1.46K | 0.00% | +13+216.7% | Added |
| True Wealth Design, LLC | 38 | $2.91K | 0.00% | −39−50.6% | Reduced |
| Root Financial Partners, LLC | 39 | $2.98K | 0.00% | −6−13.3% | Reduced |
| Parkside Financial Bank & Trust | 39 | $2.99K | 0.00% | +32+457.1% | Added |
| SageView Advisory Group, LLC | 40 | $3.06K | 0.00% | +40 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 42 | $3.20K | 0.00% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 43 | $3.29K | 0.00% | +43 | New |
| Private Wealth Asset Management, LLC | 63 | $4.82K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 71 | $5.00K | 0.00% | 00.0% | Unchanged |
| Aster Capital Management (DIFC) Ltd | 71 | $5.43K | 0.00% | −78−52.3% | Reduced |
| Harbor Capital Advisors, Inc. | 86 | $7.00K | 0.00% | −1−1.1% | Reduced |
| Salomon & Ludwin, LLC | 90 | $7.04K | 0.00% | +42+87.5% | Added |
| TD Waterhouse Canada Inc. | 100 | $7.65K | 0.00% | +100 | New |
| STRS Ohio | 100 | $7.65K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 112 | $8.57K | 0.00% | −3,499−96.9% | Reduced |
| GAMMA Investing LLC | 114 | $8.73K | 0.00% | +39+52.0% | Added |
| Massmutual Trust Co FSB | 120 | $9.19K | 0.00% | +120 | New |
| Los Angeles Capital Management LLC | 129 | $9.43K | 0.00% | +129 | New |
| IFP Advisors, Inc | 141 | $10.8K | 0.00% | +85+151.8% | Added |
| Rothschild Investment LLC | 151 | $11.6K | 0.00% | +117+344.1% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 157 | $12.0K | 0.00% | 00.0% | Unchanged |
| Zions Bancorporation, National Association | 178 | $13.6K | 0.00% | +178 | New |
| Quarry LP | 190 | $14.5K | 0.00% | +69+57.0% | Added |
| Farther Finance Advisors, LLC | 195 | $14.9K | 0.00% | +57+41.3% | Added |
| Crews Bank & Trust | 200 | $15.3K | 0.00% | 00.0% | Unchanged |
| Umb Bank N A | 220 | $16.8K | 0.00% | +160+266.7% | Added |
| US Bancorp | 225 | $17.2K | 0.00% | −146−39.4% | Reduced |
| Fifth Third Bancorp | 231 | $17.7K | 0.00% | +213+1,183.3% | Added |
| Global Retirement Partners, LLC | 233 | $17.8K | 0.00% | +233 | New |
| Jones Financial Companies LLLP | 239 | $18.3K | 0.00% | +2+0.8% | Added |
| Pinnacle Wealth Planning Services, Inc. | 246 | $18.8K | 0.00% | +246 | New |
| Quadrant Capital Group LLC | 264 | $20.2K | 0.00% | +208+371.4% | Added |
| Parallel Advisors, LLC | 274 | $21.0K | 0.00% | +150+121.0% | Added |
| Advisor Group Holdings, Inc. | 326 | $25.0K | 0.00% | +22+7.2% | Added |
| TSFG, LLC | 370 | $28.0K | 0.00% | 00.0% | Unchanged |
| CDKV Holdings LLC | 400 | $30.6K | 0.03% | +400 | New |
| Versant Capital Management, Inc | 433 | $33.1K | 0.00% | −112−20.6% | Reduced |
| Covestor Ltd | 461 | $35.0K | 0.02% | −2−0.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 457 | $35.0K | 0.00% | +150+48.9% | Added |
| Essential Partners LLC | 477 | $36.5K | 0.01% | −424−47.1% | Reduced |
| Hantz Financial Services, Inc. | 575 | $44.0K | 0.00% | +420+271.0% | Added |
| Danske Bank A/S | 600 | $45.9K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 662 | $50.7K | 0.01% | +503+316.4% | Added |
| EverSource Wealth Advisors, LLC | 683 | $52.3K | 0.00% | +90+15.2% | Added |
| Rockefeller Capital Management L.P. | 728 | $55.7K | 0.00% | +405+125.4% | Added |
| Eurizon Capital SGR S.p.A. | 804 | $62.8K | 0.00% | +804 | New |
| KBC Group NV | 860 | $66.0K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 880 | $67.4K | 0.00% | +292+49.7% | Added |
| DekaBank Deutsche Girozentrale | 515 | $68.0K | 0.00% | 00.0% | Unchanged |
| HM Payson & Co | 909 | $69.6K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 956 | $73.2K | 0.00% | +56+6.2% | Added |
| Murphy & Mullick Capital Management Corp | 962 | $73.6K | 0.05% | 00.0% | Unchanged |
| Signaturefd, LLC | 993 | $76.0K | 0.00% | +393+65.5% | Added |
| Ensign Peak Advisors, Inc | 1,209 | $92.5K | 0.00% | −3,800−75.9% | Reduced |
| Sterling Capital Management LLC | 1,367 | $104.6K | 0.00% | −287−17.4% | Reduced |
| Smartleaf Asset Management LLC | 1,665 | $130.1K | 0.00% | +348+26.4% | Added |
| Nisa Investment Advisors, LLC | 1,934 | $148.0K | 0.00% | +17+0.9% | Added |
| Ameritas Investment Partners, Inc. | 2,099 | $160.7K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 2,186 | $167.3K | 0.02% | +2,014+1,170.9% | Added |
| Tower Research Capital LLC (TRC) | 2,330 | $178.3K | 0.00% | −187−7.4% | Reduced |
| The PNC Financial Services Group, Inc. | 2,361 | $180.7K | 0.00% | +692+41.5% | Added |
| PharVision Advisers, LLC | 2,817 | $215.6K | 0.11% | +2,817 | New |
| Toroso Investments, LLC | 2,834 | $216.9K | 0.00% | +2,834 | New |
| Aigen Investment Management, LP | 2,980 | $228.1K | 0.05% | −3,763−55.8% | Reduced |
| Mackenzie Financial Corp | 2,960 | $230.8K | 0.00% | −196−6.2% | Reduced |
| Public Employees Retirement Association of Colorado | 3,018 | $231.0K | 0.00% | 00.0% | Unchanged |
| Profund Advisors LLC | 3,042 | $232.8K | 0.01% | +3,042 | New |
| Captrust Financial Advisors | 3,360 | $257.2K | 0.00% | +406+13.7% | Added |
| Meeder Asset Management Inc | 3,425 | $262.1K | 0.01% | −2,813−45.1% | Reduced |
| Polymer Capital Management (US) LLC | 3,458 | $264.7K | 0.03% | −1,452−29.6% | Reduced |
| Envestnet Asset Management Inc | 3,461 | $264.9K | 0.00% | −10,081−74.4% | Reduced |
| Maryland State Retirement & Pension System | 3,612 | $276.5K | 0.01% | +42+1.2% | Added |
| Oxford Asset Management LLP | 3,632 | $278.0K | 0.10% | −1,605−30.6% | Reduced |
| Diversified Trust Co | 3,823 | $292.6K | 0.01% | +25+0.7% | Added |
| Pictet Asset Management Holding SA | 4,052 | $310.1K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 4,103 | $314.0K | 0.01% | −12,868−75.8% | Reduced |
| Royal Bank of Canada | 4,176 | $319.0K | 0.00% | −428−9.3% | Reduced |
| HGK Asset Management Inc | 4,316 | $330.3K | 0.05% | −277−6.0% | Reduced |
| Cetera Investment Advisers | 4,859 | $371.9K | 0.00% | +4,859 | New |
| Bell & Brown Wealth Advisors, LLC | 4,966 | $380.1K | 0.12% | −10.0% | Reduced |