Position in IOSP
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$22,300,778
+$13,352,031 QoQ
Shares Held
273,999
+123.6% QoQ
Ownership
1.11%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#20
of 280 holders
Holding Since
Mar 2020
26 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, 2026ACADIAN ASSET MANAGEMENT LLC holds $557,494,957 across 31 Specialty Chemicals names. IOSP ranks #7 (4.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LIN |
Linde PLC
|
325,879 | $169,111,648 | |
| 2 | APD |
Air Products & Chemicals, Inc.
|
390,465 | $114,476,528 | |
| 3 | ECL |
Ecolab Inc.
|
347,295 | $96,759,859 | |
| 4 | LYB |
LyondellBasell Industries N.V.
|
976,243 | $51,399,193 | |
| 5 | SHW |
Sherwin Williams Co
|
74,479 | $25,644,609 | |
| 6 | RPM |
Rpm International Inc/De/
|
230,320 | $25,600,068 | |
| 7 | IOSP |
Innospec Inc.
This page
|
273,999 | $22,300,778 | |
| 8 | ALTO |
Alto Ingredients, Inc.
|
2,048,492 | $11,676,404 |
All Filings in IOSP
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $22,300,778 | 273,999 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $8,948,747 | 122,552 | Shares | Defined | 2026-05-13 | |
| 2025-12-31 | $1,083,729 | 14,159 | Shares | Defined | 2026-02-10 | |
| 2025-09-30 | $2,107,548 | 27,314 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $393,961 | 4,685 | Shares | Defined | 2025-08-07 | |
| 2025-03-31 | $271,364 | 2,864 | Shares | Defined | 2025-05-21 | |
| 2024-12-31 | $721,113 | 6,552 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $6,014,691 | 53,185 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $7,349,279 | 59,465 | Shares | Defined | 2024-08-06 | |
| 2024-03-31 | $8,131,472 | 63,064 | Shares | Defined | 2024-05-10 | |
| 2023-12-31 | $12,253,137 | 99,425 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $11,410,834 | 111,652 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $9,369,143 | 93,281 | Shares | Defined | 2023-08-07 | |
| 2023-03-31 | $7,641,830 | 74,431 | Shares | Defined | 2023-05-11 | |
| 2022-12-31 | $7,393,371 | 71,878 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $2,313,175 | 27,001 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $6,754,344 | 70,512 | Shares | Defined | 2022-08-09 | |
| 2022-03-31 | $5,275,072 | 56,997 | Shares | Defined | 2022-05-12 | |
| 2021-12-31 | $4,740,410 | 52,473 | Shares | Defined | 2022-02-10 | |
| 2021-09-30 | $2,607,619 | 30,962 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $748,982 | 8,266 | Shares | Defined | 2021-08-11 | |
| 2021-03-31 | $860,131 | 8,376 | Shares | Defined | 2021-05-11 | |
| 2020-12-31 | $1,205,710 | 13,289 | Shares | Defined | 2021-02-11 | |
| 2020-09-30 | $875,082 | 13,820 | Shares | Defined | 2020-11-09 | |
| 2020-06-30 | $1,067,595 | 13,820 | Shares | Defined | 2020-08-12 | |
| 2020-03-31 | $863,969 | 12,433 | Shares | Defined | 2020-05-11 | |
| No filing history on record for this holder in this stock. | ||||||