Atom Investors LP

SEC CIK: 0001738902
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

IOSP holding history

Innospec Inc. in every 13F filed by Atom Investors LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

IOSP overview All 13F holders of IOSP Full Q2 2026 holdings

Shares (Q2 2026): 40,870
Value: $3.33M
% of portfolio: 0.3%
Quarters held: 4; Since Q3 2025

Holdings of IOSP by Atom Investors LP, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	40,870	$3.33M	0.3%	+99+0.2%	Added	Holders
Q1 2026	40,771	$2.98M	0.2%	+17,941+78.6%	Added	Holders
Q4 2025	22,830	$1.75M	0.1%	+19,405+566.6%	Added	Holders
Q3 2025	3,425	$264.3K	<0.1%	+3,425	New	Holders