Chuck Royce's IOSP Position Overview
Chuck Royce (via Royce & Associates Lp) currently holds 261,336 shares of Innospec Inc. (IOSP) worth $19.08 M, representing 0.19% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 52 quarters.
Based on 13F filings since 2013, Chuck Royce has maintained a long-term strategic position in IOSP, representing a significant commitment to this investment thesis. Largest addition occurred in Q4 2013, adding 730,163 shares. Largest reduction occurred in Q2 2015, reducing 1.02 M shares.
Analysis based on 13F filings available since 2013 Q2
Chuck Royce's Innospec (IOSP) Holding Value Over Time
Track share changes against reported price movement
Quarterly Innospec (IOSP) Trades by Chuck Royce
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | -43,890 | Reduce 14.38% | 261,336 | $73.02 |
| Q4 2025 | -187,388 | Reduce 38.04% | 305,226 | $76.54 |
| Q3 2025 | -134,888 | Reduce 21.50% | 492,614 | $77.16 |
| Q2 2025 | -26,134 | Reduce 4.00% | 627,502 | $84.09 |
| Q1 2025 | -124,075 | Reduce 15.95% | 653,636 | $94.75 |
| Q4 2024 | -57,622 | Reduce 6.90% | 777,711 | $110.06 |
| Q3 2024 | +70,902 | Add 9.28% | 835,333 | $113.09 |
| Q2 2024 | -38,844 | Reduce 4.84% | 764,431 | $123.59 |
| Q1 2024 | -20,850 | Reduce 2.53% | 803,275 | $128.94 |
| Q4 2023 | -23,525 | Reduce 2.78% | 824,125 | $123.24 |
| Q3 2023 | -9,640 | Reduce 1.12% | 847,650 | $102.20 |
| Q2 2023 | +25,843 | Add 3.11% | 857,290 | $100.44 |
| Q1 2023 | -39,289 | Reduce 4.51% | 831,447 | $102.67 |
| Q4 2022 | -176,952 | Reduce 16.89% | 870,736 | $102.86 |
| Q3 2022 | -20,636 | Reduce 1.93% | 1.05 M | $85.67 |
| Q2 2022 | -134,432 | Reduce 11.18% | 1.07 M | $95.79 |
| Q1 2022 | -148,731 | Reduce 11.00% | 1.2 M | $92.55 |
| Q4 2021 | +153,469 | Add 12.81% | 1.35 M | $90.34 |
| Q3 2021 | +281,743 | Add 30.75% | 1.2 M | $84.22 |
| Q2 2021 | +1,370 | Add 0.15% | 916,275 | $90.61 |
| Q1 2021 | +24,937 | Add 2.80% | 914,905 | $102.69 |
| Q4 2020 | +214,205 | Add 31.70% | 889,968 | $90.73 |
| Q3 2020 | -2,728 | Reduce 0.40% | 675,763 | $63.32 |
| Q2 2020 | -17,611 | Reduce 2.53% | 678,491 | $77.25 |
| Q1 2020 | +103,761 | Add 17.52% | 696,102 | $69.49 |
| Q4 2019 | -31,790 | Reduce 5.09% | 592,341 | $103.44 |
| Q3 2019 | +156,116 | Add 33.36% | 624,131 | $89.14 |
| Q2 2019 | +101,907 | Add 27.84% | 468,015 | $91.24 |
| Q1 2019 | +153,879 | Add 72.51% | 366,108 | $83.35 |
| Q4 2018 | +7,641 | Add 3.73% | 212,229 | $61.76 |
| Q3 2018 | +27,300 | Add 15.40% | 204,588 | $76.75 |
| Q2 2018 | +4,900 | Add 2.84% | 177,288 | $76.55 |
| Q1 2018 | -600 | Reduce 0.35% | 172,388 | $68.60 |
| Q4 2017 | -17,079 | Reduce 8.99% | 172,988 | $70.60 |
| Q3 2017 | -5,864 | Reduce 2.99% | 190,067 | $61.65 |
| Q2 2017 | -4,700 | Reduce 2.34% | 195,931 | $65.55 |
| Q4 2016 | -9,800 | Reduce 4.66% | 200,631 | $68.50 |
| Q3 2016 | -3,200 | Reduce 1.50% | 210,431 | $60.81 |
| Q2 2016 | -368,401 | Reduce 63.30% | 213,631 | $45.99 |
| Q1 2016 | -40,155 | Reduce 6.45% | 582,032 | $43.36 |
| Q4 2015 | -554,708 | Reduce 47.13% | 622,187 | $54.31 |
| Q3 2015 | +30,662 | Add 2.68% | 1.18 M | $46.51 |
| Q2 2015 | -1.02 M | Reduce 47.19% | 1.15 M | $45.04 |
| Q1 2015 | -878,282 | Reduce 28.81% | 2.17 M | $46.39 |
| Q4 2014 | -312,856 | Reduce 9.31% | 3.05 M | $42.70 |
| Q3 2014 | +47,423 | Add 1.43% | 3.36 M | $35.90 |
| Q2 2014 | +13,661 | Add 0.41% | 3.31 M | $43.17 |
| Q1 2014 | +224,504 | Add 7.30% | 3.3 M | $45.23 |
| Q4 2013 | +730,163 | Add 31.12% | 3.08 M | $46.22 |
| Q3 2013 | +281,546 | Add 13.64% | 2.35 M | $46.66 |
| Q2 2013 | +2.06 M | Add 0.00% | 2.06 M | $40.18 |
Chuck Royce's Innospec Investment FAQs
Chuck Royce first purchased Innospec Inc. (IOSP) in Q2 2013, acquiring 2,064,391 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Chuck Royce has held Innospec Inc. (IOSP) for 52 quarters since Q2 2013.
Chuck Royce's largest addition to Innospec Inc. (IOSP) was in Q2 2013, adding 2,064,391 shares worth $82.95 M.
According to the latest 13F filing for Q1 2026, Chuck Royce's firm, Royce & Associates Lp, owns 261,336 shares of Innospec Inc. (IOSP), valued at approximately $19.08 M.
As of the Q1 2026 filing, Innospec Inc. (IOSP) represents approximately 0.19% of Chuck Royce's publicly disclosed stock portfolio, making it one of their key holdings.
Chuck Royce's peak holding in Innospec Inc. (IOSP) was 3,361,688 shares, as reported at the end of Q3 2014.