Simplex Trading’s Innospec IOSP Stock Holding History

Simplex Trading’s Portfolio IOSP Stock Details IOSP Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2020 Q4	–	Sell	-65	Closed	-$411K	–	8672
2020 Q3	$411K	Buy	+65	New	+$4.83K	﹤0.01%	3231
2019 Q3	–	Sell	-1	Closed	-$9K	–	7543
2019 Q2	$9K	Hold	1	–	–	﹤0.01%	6170
2019 Q1	$8K	Buy	+1	New	+$75	﹤0.01%	6273

Other funds holding IOSP

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

WHG

Westwood Holdings Group Dallas, Texas $13.7B AUM 21.48% 1-Year Est. Return

Simplex Trading's IOSP Position: Q4 2025 in Review

Simplex Trading sold out of Innospec (IOSP) in Q4 2025, closing a stake of 4 shares.

Simplex Trading first reported a position in IOSP in Q2 2015 and held it in 8 quarters. The position peaked at $215K in Q3 2020. 260 funds tracked by Wall St. Rank hold IOSP as of Q4 2025.

Simplex Trading reported no remaining Innospec position as of Q4 2025 after selling out during the quarter.
Simplex Trading sold 4 Innospec shares in Q4 2025.
Simplex Trading first reported a position in Innospec in Q2 2015 and held it in 8 quarters.
Simplex Trading's Innospec position peaked at $215K in Q3 2020.
260 funds tracked by Wall St. Rank held Innospec as of Q4 2025.

Based on Simplex Trading's 13F filing for Q4 2025, filed 11 Feb 2026.