IOSP
INNOSPEC INCData as of 2026 Q1 (03-31) · 13F snapshot
Summary
INNOSPEC INC (IOSP) is held by 6 tracked hedge-fund managers, a combined reported value of ~$42.59M; the largest are Ken Griffin, Steven Cohen, Renaissance Technologies. This quarter: 2 new, 2 added, 2 trimmed. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Heating up
Gurus holding6
Congress trades0
Price$84.76vs quarter-end+16.08%
Sectors0
This quarter's moves
Top holderKen GriffinNew2
Added2
Trimmed / sold2
Value $104.2K— of portfolio1,1002025 Q1
Value $18.9K— of portfolio2002025 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinPUT | $104.2K | — | — |
| Ken GriffinCALL | $18.9K | — | — |
Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.