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 |
|---|---|---|---|---|---|
| Occudo Quantitative Strategies LP | 16,274 | $1.26M | 0.15% | −2,835−14.8% | Reduced |
| HSBC Holdings PLC | 15,031 | $1.16M | 0.00% | +3,174+26.8% | Added |
| MetLife Investment Management | 14,889 | $1.15M | 0.01% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 14,566 | $1.12M | 0.00% | −2,016−12.2% | Reduced |
| Illinois Municipal Retirement Fund | 13,785 | $1.06M | 0.01% | +868+6.7% | Added |
| Creative Planning | 13,631 | $1.05M | 0.00% | +9,616+239.5% | Added |
| State of Alaska, Department of Revenue | 13,627 | $1.05M | 0.01% | −1,218−8.2% | Reduced |
| Envestnet Asset Management Inc | 13,542 | $1.04M | 0.00% | −3,711−21.5% | Reduced |
| Jacobs Levy Equity Management, Inc | 13,089 | $1.01M | 0.00% | −8,967−40.7% | Reduced |
| Capital Fund Management S.A. | 12,583 | $970.9K | 0.01% | +12,583 | New |
| Manufacturers Life Insurance Company, The | 12,378 | $955.1K | 0.00% | −749−5.7% | Reduced |
| Squarepoint Ops LLC | 12,216 | $942.6K | 0.00% | +4,489+58.1% | Added |
| QSV Equity Investors LLC | 12,165 | $938.7K | 0.96% | 00.0% | Unchanged |
| CM Management, LLC | 12,000 | $925.9K | 0.77% | +2,000+20.0% | Added |
| Round Hill Asset Management | 11,974 | $923.9K | 0.61% | 00.0% | Unchanged |
| Comerica Bank | 11,838 | $913.4K | 0.00% | −257−2.1% | Reduced |
| Point72 Asset Management, L.P. | 11,793 | $910.0K | 0.00% | +745+6.7% | Added |
| Linden Thomas Advisory Services, LLC | 11,772 | $908.3K | 0.09% | +36+0.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 11,674 | $900.8K | 0.00% | −2,098−15.2% | Reduced |
| Louisiana State Employees Retirement System | 11,400 | $879.6K | 0.01% | −300−2.6% | Reduced |
| CBOE Vest Financial, LLC | 11,210 | $865.0K | 0.01% | −7,043−38.6% | Reduced |
| Balyasny Asset Management LLC | 11,000 | $848.8K | 0.00% | −36,239−76.7% | Reduced |
| EntryPoint Capital, LLC | 10,685 | $824.5K | 0.32% | +8,089+311.6% | Added |
| CWM, LLC | 10,172 | $785.0K | 0.00% | +4,680+85.2% | Added |
| James Investment Research Inc | 9,949 | $767.7K | 0.08% | +1,615+19.4% | Added |
| Quantinno Capital Management LP | 9,814 | $757.3K | 0.00% | +9,814 | New |
| Susquehanna International Group, LLP | 9,679 | $746.8K | 0.00% | −27,182−73.7% | Reduced |
| Freestone Grove Partners LP | 9,277 | $715.8K | 0.01% | 00.0% | Unchanged |
| Entropy Technologies, LP | 9,179 | $708.3K | 0.05% | −1,200−11.6% | Reduced |
| New York State Common Retirement Fund | 8,911 | $687.6K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 8,758 | $675.8K | 0.01% | −4,266−32.8% | Reduced |
| New York State Teachers Retirement System | 7,962 | $614.0K | 0.00% | −3,634−31.3% | Reduced |
| Yousif Capital Management, LLC | 7,694 | $593.7K | 0.01% | −1,581−17.0% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 7,331 | $572.6K | 0.00% | +3,438+88.3% | Added |
| Arizona State Retirement System | 7,373 | $568.9K | 0.00% | +55+0.8% | Added |
| Semanteon Capital Management, LP | 7,324 | $565.1K | 0.71% | +7,324 | New |
| Amalgamated Bank | 7,223 | $557.0K | 0.00% | +96+1.3% | Added |
| Russell Investments Group, Ltd. | 7,114 | $548.9K | 0.00% | +1,766+33.0% | Added |
| Teachers Retirement System of the State of Kentucky | 7,082 | $546.0K | 0.00% | −257−3.5% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 6,949 | $536.2K | 0.00% | +1,321+23.5% | Added |
| LPL Financial LLC | 6,846 | $528.2K | 0.00% | +153+2.3% | Added |
| Capstone Investment Advisors, LLC | 6,792 | $524.1K | 0.00% | +6,792 | New |
| Aigen Investment Management, LP | 6,743 | $520.3K | 0.08% | +321+5.0% | Added |
| State Board of Administration of Florida Retirement System | 6,727 | $519.1K | 0.00% | −29−0.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,649 | $513.0K | 0.00% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 6,359 | $490.7K | 0.00% | +6,359 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 6,324 | $488.0K | 0.00% | −84−1.3% | Reduced |
| Mercer Global Advisors Inc | 6,309 | $486.8K | 0.00% | +6,309 | New |
| Meeder Asset Management Inc | 6,238 | $481.3K | 0.03% | +3,013+93.4% | Added |
| CWM Advisors, LLC | 5,872 | $453.1K | 0.04% | +1,252+27.1% | Added |
| R Squared Ltd | 5,841 | $450.7K | 0.19% | +330+6.0% | Added |
| Oregon Public Employees Retirement Fund | 5,631 | $434.5K | 0.01% | −100−1.7% | Reduced |
| Guggenheim Capital LLC | 5,567 | $429.6K | 0.00% | +15+0.3% | Added |
| Mariner, LLC | 5,562 | $429.1K | 0.00% | +5,562 | New |
| Tredje AP-fonden | 5,478 | $422.7K | 0.00% | −9,569−63.6% | Reduced |
| GWM Advisors LLC | 5,363 | $413.8K | 0.00% | +860+19.1% | Added |
| Oxford Asset Management LLP | 5,237 | $404.1K | 0.13% | +2,004+62.0% | Added |
| Ensign Peak Advisors, Inc | 5,009 | $386.5K | 0.00% | −6,150−55.1% | Reduced |
| KLP Kapitalforvaltning AS | 5,000 | $385.8K | 0.00% | 00.0% | Unchanged |
| Bell & Brown Wealth Advisors, LLC | 4,967 | $383.2K | 0.13% | +10.0% | Added |
| Man Group plc | 4,918 | $379.5K | 0.00% | +374+8.2% | Added |
| Polymer Capital Management (US) LLC | 4,910 | $378.9K | 0.05% | +1,552+46.2% | Added |
| Keybank National Association | 4,615 | $356.1K | 0.00% | −284−5.8% | Reduced |
| Royal Bank of Canada | 4,604 | $355.0K | 0.00% | −13,897−75.1% | Reduced |
| HGK Asset Management Inc | 4,593 | $354.4K | 0.06% | +68+1.5% | Added |
| Amundi | 4,490 | $353.9K | 0.00% | +214+5.0% | Added |
| Tudor Investment Corp Et Al | 4,215 | $325.2K | 0.00% | −18,558−81.5% | Reduced |
| Bailard, Inc. | 4,200 | $324.1K | 0.01% | +4,200 | New |
| Legacy Wealth Asset Management, LLC | 4,063 | $313.5K | 0.08% | −89−2.1% | Reduced |
| Pictet Asset Management Holding SA | 4,052 | $312.7K | 0.00% | 00.0% | Unchanged |
| DRW Securities, LLC | 3,929 | $299.5K | 0.02% | −1,180−23.1% | Reduced |
| Diversified Trust Co | 3,798 | $293.1K | 0.01% | +288+8.2% | Added |
| Petrus Trust Company, LTA | 3,738 | $288.4K | 0.03% | −2,397−39.1% | Reduced |
| Twinbeech Capital LP | 3,656 | $282.1K | 0.01% | −28,593−88.7% | Reduced |
| SRS Capital Advisors, Inc. | 3,611 | $278.6K | 0.00% | +3,506+3,339.0% | Added |
| Maryland State Retirement & Pension System | 3,570 | $275.5K | 0.01% | −3,706−50.9% | Reduced |
| Atom Investors LP | 3,425 | $264.3K | 0.02% | +3,425 | New |
| Inceptionr LLC | 3,275 | $252.7K | 0.06% | +3,275 | New |
| Mackenzie Financial Corp | 3,156 | $243.5K | 0.00% | −403−11.3% | Reduced |
| Public Employees Retirement Association of Colorado | 3,018 | $233.0K | 0.00% | 00.0% | Unchanged |
| 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 |
| State of Wisconsin Investment Board | 2,920 | $225.3K | 0.00% | −6,672−69.6% | Reduced |
| Farringdon Capital, Ltd. | 2,746 | $211.9K | 0.05% | +2,746 | New |
| CIBC Bancorp USA Inc. | 2,679 | $206.7K | 0.00% | +2,679 | New |
| Dynamic Technology Lab Private Ltd | 2,640 | $204.0K | 0.03% | −14,161−84.3% | Reduced |
| Tower Research Capital LLC (TRC) | 2,517 | $194.2K | 0.01% | −4,193−62.5% | Reduced |
| Ameritas Investment Partners, Inc. | 2,099 | $162.0K | 0.00% | −509−19.5% | Reduced |
| Nisa Investment Advisors, LLC | 1,917 | $147.9K | 0.00% | +155+8.8% | Added |
| The PNC Financial Services Group, Inc. | 1,669 | $128.8K | 0.00% | −87−5.0% | Reduced |
| Sterling Capital Management LLC | 1,654 | $127.6K | 0.00% | +1,007+155.6% | Added |
| Smartleaf Asset Management LLC | 1,317 | $101.5K | 0.01% | +566+75.4% | Added |
| FMR LLC | 1,006 | $77.6K | 0.00% | −981−49.4% | Reduced |
| Murphy & Mullick Capital Management Corp | 962 | $74.2K | 0.06% | 00.0% | Unchanged |
| HM Payson & Co | 909 | $70.1K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 901 | $69.5K | 0.02% | +799+783.3% | Added |
| MAI Capital Management | 900 | $69.4K | 0.00% | +106+13.4% | Added |
| KBC Group NV | 860 | $66.0K | 0.00% | 00.0% | Unchanged |
| Vestcor Inc | 813 | $63.0K | 0.00% | −1,328−62.0% | Reduced |
| Point72 (DIFC) Ltd | 765 | $59.0K | 0.00% | +765 | New |