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, Q3 2025
Institutional positions in Innospec Inc. as of Sep 30, 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
- 266
- +8 vs. Q2 2025
- Shares held
- 24.0M
- +54.7K (+0.2%) vs. Q2 2025
- Total value
- $1.85B
- −$170.5M (−8.4%) vs. Q2 2025
- New holders
- 32
- 108 more added
- Sold out
- 24
- 97 more reduced
4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Innospec Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Simplex Trading, LLC | 4 | $0 | 0.00% | +4 | New |
| Cloud Capital Management, LLC | 4 | $0 | 0.00% | +4 | New |
| HFM Investment Advisors, LLC | 1 | $77 | 0.00% | −1−50.0% | Reduced |
| SBI Securities Co., Ltd. | 1 | $77 | 0.00% | 00.0% | Unchanged |
| Rialto Wealth Management, LLC | 1 | $78 | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 2 | $154 | 0.00% | −670−99.7% | Reduced |
| Bay Harbor Wealth Management, LLC | 2 | $154 | 0.00% | +2 | New |
| Abound Wealth Management | 2 | $155 | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 2 | $155 | 0.00% | +2 | New |
| DiNuzzo Private Wealth, Inc. | 5 | $438 | 0.00% | +1+25.0% | Added |
| Bell Investment Advisors, Inc | 6 | $463 | 0.00% | +6 | New |
| Parkside Financial Bank & Trust | 7 | $541 | 0.00% | −16−69.6% | Reduced |
| Wealthspire Advisors, LLC | 8 | $617 | 0.00% | +8 | New |
| JFS Wealth Advisors, LLC | 8 | $618 | 0.00% | +5+166.7% | Added |
| Fortitude Family Office, LLC | 9 | $694 | 0.00% | +3+50.0% | Added |
| First Horizon Corp | 9 | $694 | 0.00% | +9 | New |
| WPG Advisers, LLC | 10 | $772 | 0.00% | +2+25.0% | Added |
| Sunbelt Securities, Inc. | 11 | $849 | 0.00% | +11 | New |
| Bare Financial Services, Inc | 12 | $926 | 0.00% | +6+100.0% | Added |
| Hemington Wealth Management | 22 | $1.00K | 0.00% | +8+57.1% | Added |
| Fifth Third Bancorp | 18 | $1.39K | 0.00% | −44−71.0% | Reduced |
| Farmers & Merchants Investments Inc | 18 | $1.39K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 20 | $1.54K | 0.00% | −23−53.5% | Reduced |
| Rothschild Investment LLC | 34 | $2.62K | 0.00% | −1−2.9% | Reduced |
| Point72 Asia (Singapore) Pte. Ltd. | 39 | $3.01K | 0.00% | −1,911−98.0% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 42 | $3.24K | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 45 | $3.47K | 0.00% | +45 | New |
| Salomon & Ludwin, LLC | 48 | $3.78K | 0.00% | +48 | New |
| High Note Wealth, LLC | 52 | $4.01K | 0.00% | +52 | New |
| IFP Advisors, Inc | 56 | $4.32K | 0.00% | −3−5.1% | Reduced |
| Quadrant Capital Group LLC | 56 | $4.32K | 0.00% | +56 | New |
| Umb Bank N A | 60 | $4.63K | 0.00% | −29−32.6% | Reduced |
| Private Wealth Asset Management, LLC | 63 | $4.86K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 71 | $5.00K | 0.00% | −16−18.4% | Reduced |
| Harbour Investments, Inc. | 67 | $5.17K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 75 | $5.79K | 0.00% | −153−67.1% | Reduced |
| True Wealth Design, LLC | 77 | $5.94K | 0.00% | +18+30.5% | Added |
| Harbor Capital Advisors, Inc. | 87 | $7.00K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 100 | $7.72K | 0.00% | −7,300−98.6% | Reduced |
| Rise Advisors, LLC | 103 | $7.95K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 121 | $9.34K | 0.00% | +100+476.2% | Added |
| Parallel Advisors, LLC | 124 | $9.57K | 0.00% | +92+287.5% | Added |
| Optiver Holding B.V. | 128 | $9.88K | 0.00% | +78+156.0% | Added |
| Farther Finance Advisors, LLC | 138 | $10.6K | 0.00% | +3+2.2% | Added |
| Aster Capital Management (DIFC) Ltd | 149 | $11.5K | 0.01% | +149 | New |
| Hantz Financial Services, Inc. | 155 | $12.0K | 0.00% | +135+675.0% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 157 | $12.1K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 159 | $12.3K | 0.01% | −337−67.9% | Reduced |
| State of Wyoming | 172 | $13.3K | 0.00% | −629−78.5% | Reduced |
| Clearstead Advisors, LLC | 185 | $14.3K | 0.00% | +87+88.8% | Added |
| Westside Investment Management, Inc. | 199 | $15.4K | 0.00% | 00.0% | Unchanged |
| Crews Bank & Trust | 200 | $15.4K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 237 | $18.4K | 0.00% | +28+13.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 307 | $24.0K | 0.00% | −25−7.5% | Reduced |
| Rockefeller Capital Management L.P. | 323 | $25.0K | 0.00% | +323 | New |
| Advisor Group Holdings, Inc. | 304 | $26.2K | 0.00% | +24+8.6% | Added |
| US Bancorp | 371 | $28.6K | 0.00% | −4,215−91.9% | Reduced |
| TSFG, LLC | 370 | $29.0K | 0.00% | 00.0% | Unchanged |
| Shell Asset Management Co | 425 | $33.0K | 0.00% | −745−63.7% | Reduced |
| Covestor Ltd | 463 | $36.0K | 0.02% | +130+39.0% | Added |
| DekaBank Deutsche Girozentrale | 515 | $39.0K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 545 | $42.1K | 0.01% | +431+378.1% | Added |
| Allworth Financial LP | 588 | $45.4K | 0.00% | +139+31.0% | Added |
| EverSource Wealth Advisors, LLC | 593 | $45.8K | 0.00% | +64+12.1% | Added |
| Signaturefd, LLC | 600 | $46.3K | 0.00% | −4−0.7% | Reduced |
| Danske Bank A/S | 600 | $46.3K | 0.00% | 00.0% | Unchanged |
| Point72 (DIFC) Ltd | 765 | $59.0K | 0.00% | +765 | New |
| Vestcor Inc | 813 | $63.0K | 0.00% | −1,328−62.0% | Reduced |
| KBC Group NV | 860 | $66.0K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 900 | $69.4K | 0.00% | +106+13.4% | Added |
| Essential Partners LLC | 901 | $69.5K | 0.02% | +799+783.3% | Added |
| HM Payson & Co | 909 | $70.1K | 0.00% | 00.0% | Unchanged |
| Murphy & Mullick Capital Management Corp | 962 | $74.2K | 0.06% | 00.0% | Unchanged |
| FMR LLC | 1,006 | $77.6K | 0.00% | −981−49.4% | Reduced |
| Smartleaf Asset Management LLC | 1,317 | $101.5K | 0.01% | +566+75.4% | Added |
| Sterling Capital Management LLC | 1,654 | $127.6K | 0.00% | +1,007+155.6% | Added |
| The PNC Financial Services Group, Inc. | 1,669 | $128.8K | 0.00% | −87−5.0% | Reduced |
| Nisa Investment Advisors, LLC | 1,917 | $147.9K | 0.00% | +155+8.8% | Added |
| Ameritas Investment Partners, Inc. | 2,099 | $162.0K | 0.00% | −509−19.5% | Reduced |
| Tower Research Capital LLC (TRC) | 2,517 | $194.2K | 0.01% | −4,193−62.5% | Reduced |
| Dynamic Technology Lab Private Ltd | 2,640 | $204.0K | 0.03% | −14,161−84.3% | Reduced |
| CIBC Bancorp USA Inc. | 2,679 | $206.7K | 0.00% | +2,679 | New |
| Farringdon Capital, Ltd. | 2,746 | $211.9K | 0.05% | +2,746 | New |
| State of Wisconsin Investment Board | 2,920 | $225.3K | 0.00% | −6,672−69.6% | Reduced |
| MQS Management LLC | 2,954 | $227.9K | 0.13% | −1,357−31.5% | Reduced |
| Captrust Financial Advisors | 2,954 | $227.9K | 0.00% | +2,954 | New |
| Public Employees Retirement Association of Colorado | 3,018 | $233.0K | 0.00% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 3,156 | $243.5K | 0.00% | −403−11.3% | Reduced |
| Inceptionr LLC | 3,275 | $252.7K | 0.06% | +3,275 | New |
| Atom Investors LP | 3,425 | $264.3K | 0.02% | +3,425 | New |
| Maryland State Retirement & Pension System | 3,570 | $275.5K | 0.01% | −3,706−50.9% | Reduced |
| SRS Capital Advisors, Inc. | 3,611 | $278.6K | 0.00% | +3,506+3,339.0% | Added |
| Twinbeech Capital LP | 3,656 | $282.1K | 0.01% | −28,593−88.7% | Reduced |
| Petrus Trust Company, LTA | 3,738 | $288.4K | 0.03% | −2,397−39.1% | Reduced |
| Diversified Trust Co | 3,798 | $293.1K | 0.01% | +288+8.2% | Added |
| DRW Securities, LLC | 3,929 | $299.5K | 0.02% | −1,180−23.1% | Reduced |
| Pictet Asset Management Holding SA | 4,052 | $312.7K | 0.00% | 00.0% | Unchanged |
| Legacy Wealth Asset Management, LLC | 4,063 | $313.5K | 0.08% | −89−2.1% | Reduced |
| Bailard, Inc. | 4,200 | $324.1K | 0.01% | +4,200 | New |
| Tudor Investment Corp Et Al | 4,215 | $325.2K | 0.00% | −18,558−81.5% | Reduced |