John Overdeck’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 | $46.3M | Sell |
568,709
-24,330
| -4% | -$1.93M | 0.03% | 591 |
|
|
2026
Q1 | $43.3M | Buy |
593,039
+433,525
| +272% | +$33.8M | 0.03% | 555 |
|
|
2025
Q4 | $12.2M | Buy |
159,514
+11,309
| +8% | +$854K | 0.02% | 993 |
|
|
2025
Q3 | $11.4M | Buy |
148,205
+9,966
| +7% | +$832K | 0.02% | 885 |
|
|
2025
Q2 | $11.6M | Buy |
138,239
+59,793
| +76% | +$5.23M | 0.02% | 756 |
|
|
2025
Q1 | $7.43M | Buy |
78,446
+65,276
| +496% | +$6.91M | 0.02% | 905 |
|
|
2024
Q4 | $1.45M | Sell |
13,170
-12,425
| -49% | -$1.42M | ﹤0.01% | 1938 |
|
|
2024
Q3 | $2.89M | Sell |
25,595
-4,388
| -15% | -$511K | 0.01% | 1438 |
|
|
2024
Q2 | $3.71M | Buy |
29,983
+22,913
| +324% | +$2.87M | 0.01% | 1153 |
|
|
2024
Q1 | $912K | Buy |
7,070
+2,219
| +46% | +$269K | ﹤0.01% | 2009 |
|
|
2023
Q4 | $598K | Sell |
4,851
-17,077
| -78% | -$1.82M | ﹤0.01% | 2364 |
|
|
2023
Q3 | $2.24M | Sell |
21,928
-11,559
| -35% | -$1.21M | 0.01% | 1306 |
|
|
2023
Q2 | $3.36M | Sell |
33,487
-9,769
| -23% | -$978K | 0.01% | 1122 |
|
|
2023
Q1 | $4.44M | Buy |
43,256
+31,063
| +255% | +$3.34M | 0.01% | 970 |
|
|
2022
Q4 | $1.25M | Buy |
12,193
+6,395
| +110% | +$649K | ﹤0.01% | 1581 |
|
|
2022
Q3 | $497K | Buy |
5,798
+3,206
| +124% | +$303K | ﹤0.01% | 1787 |
|
|
2022
Q2 | $248K | Sell |
2,592
-14,781
| -85% | -$1.44M | ﹤0.01% | 2087 |
|
|
2022
Q1 | $1.61M | Sell |
17,373
-14,894
| -46% | -$1.41M | ﹤0.01% | 1457 |
|
|
2021
Q4 | $2.92M | Sell |
32,267
-49,966
| -61% | -$4.41M | 0.01% | 1597 |
|
|
2021
Q3 | $6.93M | Buy |
82,233
+22,201
| +37% | +$1.98M | 0.02% | 991 |
|
|
2021
Q2 | $5.44M | Buy |
60,032
+49,913
| +493% | +$4.95M | 0.01% | 1144 |
|
|
2021
Q1 | $1.04M | Buy |
+10,119
| New | +$1M | ﹤0.01% | 2277 |
|
|
2019
Q2 | – | Sell |
-4,896
| Closed | -$408K | – | 3485 |
|
|
2019
Q1 | $408K | Buy |
+4,896
| New | +$365K | ﹤0.01% | 2403 |
|
|
2016
Q2 | – | Sell |
-43,918
| Closed | -$1.9M | – | 3042 |
|
|
2016
Q1 | $1.9M | Buy |
+43,918
| New | +$2.03M | 0.01% | 1207 |
|
|
2015
Q3 | – | Sell |
-17,765
| Closed | -$800K | – | 2450 |
|
|
2015
Q2 | $800K | Sell |
17,765
-10,080
| -36% | -$452K | ﹤0.01% | 1816 |
|
|
2015
Q1 | $1.29M | Sell |
27,845
-8,560
| -24% | -$367K | 0.01% | 1425 |
|
|
2014
Q4 | $1.55M | Buy |
+36,405
| New | +$1.49M | 0.01% | 1153 |
|
|
2013
Q3 | – | Sell |
-15,641
| Closed | -$628K | – | 1964 |
|
|
2013
Q2 | $628K | Buy |
+15,641
| New | +$653K | ﹤0.01% | 1298 |
|
Other funds holding IOSP
John Overdeck's IOSP Position: Q2 2026 in Review
John Overdeck reduced its Innospec (IOSP) stake by 4.1% in Q2 2026, selling an estimated $1.93M and leaving 568,709 shares worth $46.3M. The position accounts for 0.03% of the portfolio, ranked #591.
John Overdeck first reported a position in IOSP in Q2 2013 and has held it in 28 quarters since. 281 funds tracked by Wall St. Rank hold IOSP as of Q2 2026.
- John Overdeck held 568,709 shares of Innospec worth $46.3M as of Q2 2026.
- John Overdeck sold 24,330 Innospec shares in Q2 2026, an estimated $1.93M.
- Innospec made up 0.03% of John Overdeck's portfolio in Q2 2026, its #591 holding.
- John Overdeck first reported a position in Innospec in Q2 2013 and has held it in 28 quarters since.
- 281 funds tracked by Wall St. Rank held Innospec as of Q2 2026.
Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.