Quadrature Capital’s Innospec IOSP Stock Holding History

Quadrature Capital’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
2026 Q2	$730K	Sell	8,972 -3,528	-28%	-$279K	0.01%	848
2026 Q1	$913K	Buy	12,500 +6,545	+110%	+$510K	0.01%	590
2025 Q4	$456K	Buy	+5,955	New	+$450K	﹤0.01%	720
2023 Q4	–	Sell	-14,553	Closed	-$1.49M	–	1255
2023 Q3	$1.49M	Sell	14,553 -6,980	-32%	-$729K	0.03%	325
2023 Q2	$2.16M	Buy	+21,533	New	+$2.16M	0.05%	278
2022 Q3	–	Sell	-6,298	Closed	-$603K	–	954
2022 Q2	$603K	Buy	+6,298	New	+$612K	0.03%	386
2021 Q4	–	Sell	-7,482	Closed	-$629K	–	815
2021 Q3	$629K	Buy	7,482 +5,182	+225%	+$462K	0.02%	343
2021 Q2	$208K	Buy	+2,300	New	+$228K	0.01%	809
2018 Q1	–	Sell	-3,653	Closed	-$258K	–	667
2017 Q4	$258K	Buy	+3,653	New	+$243K	0.02%	432
2016 Q4	–	Sell	-4,259	Closed	-$259K	–	697
2016 Q3	$259K	Buy	+4,259	New	+$237K	0.02%	477
2016 Q2	–	Sell	-8,297	Closed	-$360K	–	584
2016 Q1	$360K	Buy	+8,297	New	+$383K	0.05%	304

Other funds holding IOSP

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Allspring Global Investments Charlotte, North Carolina $65.2B AUM 39.42% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return

Quadrature Capital's IOSP Position: Q2 2026 in Review

Quadrature Capital reduced its Innospec (IOSP) stake by 28% in Q2 2026, selling an estimated $279K and leaving 8,972 shares worth $730K. The position accounts for 0.01% of the portfolio, ranked #848.

Quadrature Capital first reported a position in IOSP in Q1 2016 and has held it in 11 quarters since. The position peaked at $2.16M in Q2 2023. 281 funds tracked by Wall St. Rank hold IOSP as of Q2 2026.

Quadrature Capital held 8,972 shares of Innospec worth $730K as of Q2 2026.
Quadrature Capital sold 3,528 Innospec shares in Q2 2026, an estimated $279K.
Innospec made up 0.01% of Quadrature Capital's portfolio in Q2 2026, its #848 holding.
Quadrature Capital first reported a position in Innospec in Q1 2016 and has held it in 11 quarters since.
Quadrature Capital's Innospec position peaked at $2.16M in Q2 2023.
281 funds tracked by Wall St. Rank held Innospec as of Q2 2026.

Based on Quadrature Capital's 13F filing for Q2 2026, filed 7 Aug 2026.