IOSP

INNOSPEC INC

Data as of 2026 Q2 (06-30) · 13F snapshot

Summary

INNOSPEC INC (IOSP) is held as common stock by 4 tracked hedge-fund managers, with a combined reported value of ~$26.94M; the largest are Renaissance Technologies, Ken Griffin, Steven Cohen. This quarter: 1 added, 3 trimmed, 3 closed. 3 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.

Attention · MediumThis quarter · Cooling

Common-stock holders4

Congress trades3

Price$97.88vs quarter-end+20.26%

Sectors0

This quarter's moves

New0

Added1

Trimmed / sold6

Top holder

Renaissance Technologies

Common-stock positions

PUT and CALL disclosures are excluded from these holder counts and values.

Investor	Period	Value	Shares	% of portfolio	Action

Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.