Joel Greenblatt’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 | $395K | Sell |
4,848
-2,826
| -37% | -$224K | ﹤0.01% | 1572 |
|
|
2026
Q1 | $560K | Buy |
+7,674
| New | +$598K | ﹤0.01% | 1463 |
|
|
2025
Q2 | – | Sell |
-5,617
| Closed | -$532K | – | 1704 |
|
|
2025
Q1 | $532K | Sell |
5,617
-67
| -1% | -$7.09K | ﹤0.01% | 1215 |
|
|
2024
Q4 | $626K | Buy |
5,684
+252
| +5% | +$28.8K | 0.01% | 1051 |
|
|
2024
Q3 | $614K | Sell |
5,432
-6,475
| -54% | -$754K | 0.01% | 1043 |
|
|
2024
Q2 | $1.47M | Buy |
11,907
+5,800
| +95% | +$726K | 0.02% | 771 |
|
|
2024
Q1 | $787K | Sell |
6,107
-1,613
| -21% | -$196K | 0.01% | 910 |
|
|
2023
Q4 | $951K | Sell |
7,720
-2,342
| -23% | -$249K | 0.02% | 809 |
|
|
2023
Q3 | $1.03M | Buy |
10,062
+1,610
| +19% | +$168K | 0.02% | 769 |
|
|
2023
Q2 | $849K | Buy |
8,452
+4,785
| +130% | +$479K | 0.02% | 813 |
|
|
2023
Q1 | $376K | Buy |
+3,667
| New | +$395K | 0.01% | 1054 |
|
|
2022
Q2 | – | Sell |
-2,217
| Closed | -$205K | – | 1184 |
|
|
2022
Q1 | $205K | Buy |
+2,217
| New | +$210K | 0.01% | 1077 |
|
|
2021
Q4 | – | Sell |
-3,787
| Closed | -$319K | – | 1188 |
|
|
2021
Q3 | $319K | Sell |
3,787
-1,917
| -34% | -$171K | 0.01% | 807 |
|
|
2021
Q2 | $517K | Buy |
+5,704
| New | +$565K | 0.02% | 668 |
|
|
2021
Q1 | – | Sell |
-5,305
| Closed | -$481K | – | 1034 |
|
|
2020
Q4 | $481K | Sell |
5,305
-7,094
| -57% | -$550K | 0.02% | 719 |
|
|
2020
Q3 | $785K | Sell |
12,399
-8,513
| -41% | -$632K | 0.03% | 612 |
|
|
2020
Q2 | $1.61M | Sell |
20,912
-11,207
| -35% | -$819K | 0.05% | 449 |
|
|
2020
Q1 | $2.23M | Sell |
32,119
-2,073
| -6% | -$189K | 0.06% | 385 |
|
|
2019
Q4 | $3.54M | Sell |
34,192
-1,540
| -4% | -$147K | 0.06% | 333 |
|
|
2019
Q3 | $3.19M | Buy |
35,732
+1,679
| +5% | +$151K | 0.06% | 366 |
|
|
2019
Q2 | $3.11M | Buy |
34,053
+21,443
| +170% | +$1.81M | 0.05% | 415 |
|
|
2019
Q1 | $1.05M | Buy |
+12,610
| New | +$940K | 0.02% | 647 |
|
|
2018
Q3 | – | Sell |
-17,726
| Closed | -$1.36M | – | 975 |
|
|
2018
Q2 | $1.36M | Buy |
17,726
+11,777
| +198% | +$883K | 0.02% | 536 |
|
|
2018
Q1 | $408K | Buy |
+5,949
| New | +$414K | 0.01% | 744 |
|
|
2016
Q3 | – | Sell |
-12,942
| Closed | -$595K | – | 976 |
|
|
2016
Q2 | $595K | Sell |
12,942
-95,907
| -88% | -$4.54M | 0.01% | 701 |
|
|
2016
Q1 | $4.72M | Buy |
108,849
+95,113
| +692% | +$4.39M | 0.05% | 445 |
|
|
2015
Q4 | $746K | Buy |
13,736
+3,023
| +28% | +$167K | 0.01% | 642 |
|
|
2015
Q3 | $498K | Buy |
10,713
+1,078
| +11% | +$49.4K | ﹤0.01% | 727 |
|
|
2015
Q2 | $434K | Sell |
9,635
-1,322
| -12% | -$59.3K | ﹤0.01% | 765 |
|
|
2015
Q1 | $508K | Buy |
+10,957
| New | +$470K | ﹤0.01% | 691 |
|
Other funds holding IOSP
Joel Greenblatt's IOSP Position: Q2 2026 in Review
Joel Greenblatt reduced its Innospec (IOSP) stake by 37% in Q2 2026, selling an estimated $224K and leaving 4,848 shares worth $395K. The position accounts for ﹤0.01% of the portfolio, ranked #1572.
Joel Greenblatt first reported a position in IOSP in Q1 2015 and has held it in 30 quarters since. The position peaked at $4.72M in Q1 2016. 280 funds tracked by Wall St. Rank hold IOSP as of Q2 2026.
- Joel Greenblatt held 4,848 shares of Innospec worth $395K as of Q2 2026.
- Joel Greenblatt sold 2,826 Innospec shares in Q2 2026, an estimated $224K.
- Innospec made up ﹤0.01% of Joel Greenblatt's portfolio in Q2 2026, its #1572 holding.
- Joel Greenblatt first reported a position in Innospec in Q1 2015 and has held it in 30 quarters since.
- Joel Greenblatt's Innospec position peaked at $4.72M in Q1 2016.
- 280 funds tracked by Wall St. Rank held Innospec as of Q2 2026.
Based on Gotham Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.