Simplex Trading
IOSP icon

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
2025
Q4 		– Sell
-4
Closed – – 9264
2025
Q3 		$0 Buy
+4
New +$334 ﹤0.01% 9497
2021
Q4 		– Sell
-200
Closed -$18K – 10906
2021
Q3 		$18K Hold
200
– – ﹤0.01% 8521
2021
Q2 		$18K Buy
+200
New +$19.8K ﹤0.01% 8674
2020
Q4 		– Sell
-3,396
Closed -$215K – 8671
2020
Q3 		$215K Buy
+3,396
New +$252K ﹤0.01% 4020
2019
Q3 		– Sell
-757
Closed -$67.9K – 7542
2019
Q2 		$69K Buy
+757
New +$63.8K ﹤0.01% 4558
2016
Q2 		– Sell
-26
Closed -$1K – 6099
2016
Q1 		$1K Buy
+26
New +$1.2K ﹤0.01% 5119
2015
Q4 		– Sell
-267
Closed -$12K – 5719
2015
Q3 		$12K Buy
267
+39
+17% +$1.79K ﹤0.01% 3269
2015
Q2 		$10K Buy
+228
New +$10.2K ﹤0.01% 3057

Other funds holding IOSP

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
N
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.