Acadian Asset Management’s Innospec IOSP Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$22.3M Buy
273,999
+151,447
+124% +$12M 0.03% 397
2026
Q1
$8.94M Buy
122,552
+108,393
+766% +$8.44M 0.01% 561
2025
Q4
$1.08M Sell
14,159
-13,155
-48% -$993K ﹤0.01% 1102
2025
Q3
$2.1M Buy
27,314
+22,629
+483% +$1.89M ﹤0.01% 877
2025
Q2
$393K Buy
4,685
+1,821
+64% +$159K ﹤0.01% 1186
2025
Q1
$271K Sell
2,864
-3,688
-56% -$390K ﹤0.01% 1196
2024
Q4
$720K Sell
6,552
-46,633
-88% -$5.34M ﹤0.01% 991
2024
Q3
$6.01M Sell
53,185
-6,280
-11% -$731K 0.02% 451
2024
Q2
$7.34M Sell
59,465
-3,599
-6% -$450K 0.02% 410
2024
Q1
$8.13M Sell
63,064
-36,361
-37% -$4.42M 0.03% 354
2023
Q4
$12.2M Sell
99,425
-12,227
-11% -$1.3M 0.05% 263
2023
Q3
$11.4M Buy
111,652
+18,371
+20% +$1.92M 0.05% 269
2023
Q2
$9.35M Buy
93,281
+18,850
+25% +$1.89M 0.04% 306
2023
Q1
$7.63M Buy
74,431
+2,553
+4% +$275K 0.03% 356
2022
Q4
$7.38M Buy
71,878
+44,877
+166% +$4.56M 0.04% 337
2022
Q3
$2.3M Sell
27,001
-43,511
-62% -$4.11M 0.01% 594
2022
Q2
$6.75M Buy
70,512
+13,515
+24% +$1.31M 0.03% 349
2022
Q1
$5.27M Buy
56,997
+4,524
+9% +$428K 0.02% 451
2021
Q4
$4.73M Buy
52,473
+21,511
+69% +$1.9M 0.02% 459
2021
Q3
$2.6M Buy
30,962
+22,696
+275% +$2.02M 0.01% 615
2021
Q2
$749K Sell
8,266
-110
-1% -$10.9K ﹤0.01% 1017
2021
Q1
$859K Sell
8,376
-4,913
-37% -$486K ﹤0.01% 992
2020
Q4
$1.21M Sell
13,289
-531
-4% -$41.2K ﹤0.01% 927
2020
Q3
$876K Hold
13,820
﹤0.01% 949
2020
Q2
$1.07M Buy
13,820
+1,387
+11% +$101K ﹤0.01% 939
2020
Q1
$865K Buy
12,433
+923
+8% +$84.3K 0.01% 834
2019
Q4
$1.19M Buy
11,510
+3,298
+40% +$315K 0.01% 832
2019
Q3
$731K Buy
8,212
+1,225
+18% +$110K ﹤0.01% 984
2019
Q2
$637K Sell
6,987
-3,205
-31% -$270K ﹤0.01% 935
2019
Q1
$849K Sell
10,192
-5,997
-37% -$447K ﹤0.01% 948
2018
Q4
$1M Sell
16,189
-3,935
-20% -$271K 0.01% 730
2018
Q3
$1.54M Buy
20,124
+8,061
+67% +$628K 0.01% 619
2018
Q2
$923K Buy
+12,063
New +$905K ﹤0.01% 749
2017
Q1
Sell
-24
Closed -$2K 1661
2016
Q4
$2K Sell
24
-6,393
-100% -$411K ﹤0.01% 1564
2016
Q3
$390K Buy
+6,417
New +$357K ﹤0.01% 859
2016
Q1
Sell
-3,987
Closed -$216K 1416
2015
Q4
$216K Buy
+3,987
New +$220K ﹤0.01% 949
2015
Q2
Sell
-52,614
Closed -$2.44M 1428
2015
Q1
$2.44M Buy
52,614
+42,788
+435% +$1.84M 0.01% 506
2014
Q4
$419K Buy
+9,826
New +$403K ﹤0.01% 791

Other funds holding IOSP

Acadian Asset Management's IOSP Position: Q2 2026 in Review

Acadian Asset Management increased its Innospec (IOSP) stake by 124% in Q2 2026, buying an estimated $12M and bringing the position to 273,999 shares worth $22.3M. The position accounts for 0.03% of the portfolio, ranked #397.

Acadian Asset Management first reported a position in IOSP in Q4 2014 and has held it in 38 quarters since. 282 funds tracked by Wall St. Rank hold IOSP as of Q2 2026.

  • Acadian Asset Management held 273,999 shares of Innospec worth $22.3M as of Q2 2026.
  • Acadian Asset Management bought 151,447 Innospec shares in Q2 2026, an estimated $12M.
  • Innospec made up 0.03% of Acadian Asset Management's portfolio in Q2 2026, its #397 holding.
  • Acadian Asset Management first reported a position in Innospec in Q4 2014 and has held it in 38 quarters since.
  • 282 funds tracked by Wall St. Rank held Innospec as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.