Position in IOSP
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,369,198
-$817,562 QoQ
Shares Held
18,751
-27.9% QoQ
Ownership
0.076%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2020
9 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in IOSP Over Time
Shares Held
Position Value (USD)
Position in Specialty Chemicals
Basic Materials · as of Mar 31, 2026Campbell & CO Investment Adviser LLC holds $29,355,669 across 19 Specialty Chemicals names. IOSP ranks #7 (4.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APD |
Air Products & Chemicals, Inc.
|
28,281 | $8,215,347 | |
| 2 | ASH |
Ashland Inc.
|
84,710 | $4,710,723 | |
| 3 | ECL |
Ecolab Inc.
|
11,825 | $3,145,686 | |
| 4 | DD |
DuPont de Nemours, Inc.
|
50,151 | $2,296,915 | |
| 5 | CBT |
Cabot Corp
|
23,979 | $1,805,858 | |
| 6 | ECVT |
Ecovyst Inc.
|
117,420 | $1,510,021 | |
| 7 | IOSP |
Innospec Inc.
This page
|
18,751 | $1,369,198 | |
| 8 | SQM |
Chemical & Mining Co Of Chile Inc
|
13,536 | $1,095,603 |
All Filings in IOSP
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9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,369,198 | 18,751 | Shares | Sole | 2026-05-15 | |
| 2025-06-30 | $2,186,760 | 26,005 | Shares | Sole | 2025-08-07 | |
| 2025-03-31 | $414,626 | 4,376 | Shares | Sole | 2025-05-14 | |
| 2024-09-30 | $246,423 | 2,179 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $1,034,448 | 8,370 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $650,115 | 5,042 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $504,421 | 4,093 | Shares | Sole | 2024-02-13 | |
| 2022-12-31 | $767,849 | 7,465 | Shares | Sole | 2023-02-14 | |
| 2020-09-30 | $353,705 | 5,586 | Shares | Sole | 2020-10-15 | |
| No filing history on record for this holder in this stock. | ||||||