Position in IOSP
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$8,682,078
-$525,684 QoQ
Shares Held
118,900
-1.2% QoQ
Ownership
0.483%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
19 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in IOSP Over Time
Shares Held
Position Value (USD)
Position in Specialty Chemicals
Basic Materials · as of Mar 31, 2026RENAISSANCE TECHNOLOGIES LLC holds $838,121,675 across 36 Specialty Chemicals names. IOSP ranks #15 (1.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LIN |
Linde PLC
|
629,820 | $312,239,563 | |
| 2 | ALB |
Albemarle Corp
|
730,745 | $131,190,649 | |
| 3 | ECL |
Ecolab Inc.
|
313,397 | $83,369,869 | |
| 4 | WDFC |
Wd 40 Co
|
203,476 | $41,496,895 | |
| 5 | SQM |
Chemical & Mining Co Of Chile Inc
|
502,484 | $40,671,054 | |
| 6 | SOLS |
Solstice Advanced Materials Inc.
|
504,100 | $38,392,256 | |
| 7 | BCPC |
Balchem Corp
|
177,000 | $29,997,960 | |
| 8 | ODC |
Oil-Dri Corp of America
|
422,392 | $27,493,495 |
All Filings in IOSP
Export CSV
19 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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. | ||||||