Tower Research Capital (TRC)’s Innospec IOSP Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$139K Sell
1,902
-428
-18% -$33.3K ﹤0.01% 1918
2025
Q4
$178K Sell
2,330
-187
-7% -$14.1K ﹤0.01% 1523
2025
Q3
$194K Sell
2,517
-4,193
-62% -$350K 0.01% 1480
2025
Q2
$564K Buy
6,710
+6,430
+2,296% +$563K 0.02% 881
2025
Q1
$26.5K Sell
280
-527
-65% -$55.8K ﹤0.01% 2709
2024
Q4
$88.8K Sell
807
-2,660
-77% -$304K ﹤0.01% 2207
2024
Q3
$392K Sell
3,467
-2,206
-39% -$257K 0.01% 1041
2024
Q2
$701K Buy
5,673
+5,669
+141,725% +$710K 0.01% 1047
2024
Q1
$516 Sell
4
-8,198
-100% -$996K ﹤0.01% 5456
2023
Q4
$1.01M Buy
8,202
+7,621
+1,312% +$811K 0.01% 851
2023
Q3
$59.4K Sell
581
-6,080
-91% -$635K ﹤0.01% 2402
2023
Q2
$669K Buy
6,661
+1,418
+27% +$142K 0.02% 777
2023
Q1
$538K Buy
5,243
+5,203
+13,008% +$560K 0.02% 786
2022
Q4
$5K Sell
40
-7,742
-99% -$786K ﹤0.01% 4874
2022
Q3
$667K Buy
7,782
+6,827
+715% +$645K 0.01% 919
2022
Q2
$92K Buy
955
+225
+31% +$21.9K ﹤0.01% 2360
2022
Q1
$67K Buy
730
+301
+70% +$28.5K ﹤0.01% 2501
2021
Q4
$39K Sell
429
-1,093
-72% -$96.5K ﹤0.01% 2974
2021
Q3
$128K Buy
1,522
+677
+80% +$60.4K ﹤0.01% 2192
2021
Q2
$77K Sell
845
-368
-30% -$36.5K ﹤0.01% 2641
2021
Q1
$125K Sell
1,213
-439
-27% -$43.4K ﹤0.01% 2410
2020
Q4
$150K Sell
1,652
-18,895
-92% -$1.46M ﹤0.01% 1981
2020
Q3
$1.3M Buy
20,547
+17,750
+635% +$1.32M 0.01% 730
2020
Q2
$216K Buy
+2,797
New +$204K 0.01% 1721
2020
Q1
Sell
-260
Closed -$27K 3462
2019
Q4
$27K Buy
260
+101
+64% +$9.66K ﹤0.01% 1736
2019
Q3
$14K Buy
+159
New +$14.3K ﹤0.01% 2729
2019
Q1
Sell
-32
Closed -$2K 4022
2018
Q4
$2K Sell
32
-208
-87% -$14.3K ﹤0.01% 3375
2018
Q3
$18K Sell
240
-5,704
-96% -$444K ﹤0.01% 2414
2018
Q2
$455K Buy
5,944
+5,437
+1,072% +$408K 0.03% 684
2018
Q1
$35K Buy
507
+335
+195% +$23.3K ﹤0.01% 1881
2017
Q4
$12K Sell
172
-2,371
-93% -$158K ﹤0.01% 2437
2017
Q3
$157K Buy
2,543
+2,343
+1,172% +$140K 0.01% 954
2017
Q2
$13K Buy
+200
New +$12.8K ﹤0.01% 1451
2017
Q1
Sell
-1,099
Closed -$75K 3466
2016
Q4
$75K Buy
1,099
+999
+999% +$64.3K 0.01% 1131
2016
Q3
$6K Sell
100
-2,311
-96% -$129K ﹤0.01% 2425
2016
Q2
$111K Buy
2,411
+2,331
+2,914% +$110K 0.01% 1035
2016
Q1
$3K Buy
+80
New +$3.7K ﹤0.01% 3107
2015
Q2
Sell
-1,062
Closed -$50K 4696
2015
Q1
$50K Buy
+1,062
New +$45.6K 0.01% 1464
2014
Q4
Sell
-307
Closed -$11K 4323
2014
Q3
$11K Buy
307
+191
+165% +$7.75K ﹤0.01% 2755
2014
Q2
$5K Sell
116
-75
-39% -$3.23K ﹤0.01% 2855
2014
Q1
$9K Sell
191
-217
-53% -$9.56K ﹤0.01% 2709
2013
Q4
$19K Sell
408
-1,099
-73% -$50.4K ﹤0.01% 2385
2013
Q3
$70K Buy
1,507
+1,489
+8,272% +$64.2K 0.01% 1619
2013
Q2
$1K Buy
+18
New +$751 ﹤0.01% 3687

Other funds holding IOSP

Tower Research Capital (TRC)'s IOSP Position: Q1 2026 in Review

Tower Research Capital (TRC) reduced its Innospec (IOSP) stake by 18% in Q1 2026, selling an estimated $33.3K and leaving 1,902 shares worth $139K. The position accounts for ﹤0.01% of the portfolio, ranked #1918.

Tower Research Capital (TRC) first reported a position in IOSP in Q2 2013 and has held it in 44 quarters since. The position peaked at $1.3M in Q3 2020. 266 funds tracked by Wall St. Rank hold IOSP as of Q1 2026.

  • Tower Research Capital (TRC) held 1,902 shares of Innospec worth $139K as of Q1 2026.
  • Tower Research Capital (TRC) sold 428 Innospec shares in Q1 2026, an estimated $33.3K.
  • Innospec made up ﹤0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #1918 holding.
  • Tower Research Capital (TRC) first reported a position in Innospec in Q2 2013 and has held it in 44 quarters since.
  • Tower Research Capital (TRC)'s Innospec position peaked at $1.3M in Q3 2020.
  • 266 funds tracked by Wall St. Rank held Innospec as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.