Position in IOSP
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$15,057,150
+$6,375,072 QoQ
Shares Held
185,000
+55.6% QoQ
Ownership
0.751%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#25
of 282 holders
Holding Since
Mar 2020
20 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IOSP Over Time
Shares Held
Position Value (USD)
Position in Specialty Chemicals
Basic Materials · as of Jun 30, 2026RENAISSANCE TECHNOLOGIES LLC holds $437,706,773 across 33 Specialty Chemicals names. IOSP ranks #7 (3.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SOLS |
Solstice Advanced Materials Inc.
|
795,000 | $70,437,000 | |
| 2 | ALB |
Albemarle Corp
|
456,145 | $61,593,259 | |
| 3 | SQM |
Chemical & Mining Co Of Chile Inc
|
779,484 | $57,712,995 | |
| 4 | WDFC |
Wd 40 Co
|
176,076 | $42,899,156 | |
| 5 | ODC |
Oil-Dri Corp of America
|
407,692 | $41,670,199 | |
| 6 | BCPC |
Balchem Corp
|
193,300 | $32,658,035 | |
| 7 | IOSP |
Innospec Inc.
This page
|
185,000 | $15,057,150 | |
| 8 | APD |
Air Products & Chemicals, Inc.
|
43,860 | $12,858,874 |
All Filings in IOSP
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $15,057,150 | 185,000 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $8,682,078 | 118,900 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $9,207,762 | 120,300 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $11,303,940 | 146,500 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $12,327,594 | 146,600 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $12,023,775 | 126,900 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $528,288 | 4,800 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $588,068 | 5,200 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $1,137,028 | 9,200 | Shares | Sole | 2024-08-09 | |
| 2023-12-31 | $320,424 | 2,600 | Shares | Sole | 2024-02-13 | |
| 2023-06-30 | $3,093,552 | 30,800 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $3,527,946 | 34,362 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $1,851,480 | 18,000 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $2,647,203 | 30,900 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $2,538,435 | 26,500 | Shares | Sole | 2022-08-12 | |
| 2021-09-30 | $1,878,106 | 22,300 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $3,715,010 | 41,000 | Shares | Sole | 2021-08-13 | |
| 2020-09-30 | $3,925,840 | 62,000 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $324,450 | 4,200 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $1,132,687 | 16,300 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||