Position in IOSP
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$16,128,876
+$10,564,878 QoQ
Shares Held
220,883
+203.9% QoQ
Ownership
0.897%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
24 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)
Derivatives in IOSP
reported options exposure · as of Mar 31, 2025CallValue
$18,950
CallShares
200
PutValue
$104,225
PutShares
1,100
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Specialty Chemicals
Basic Materials · as of Mar 31, 2026CITADEL ADVISORS LLC holds $1,378,172,185 across 51 Specialty Chemicals names. IOSP ranks #18 (1.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APD |
Air Products & Chemicals, Inc.
|
1,016,233 | $295,205,524 | |
| 2 | SHW |
Sherwin Williams Co
|
434,610 | $139,314,235 | |
| 3 | DD |
DuPont de Nemours, Inc.
|
898,340 | $123,431,916 | |
| 4 | LYB |
LyondellBasell Industries N.V.
|
1,504,143 | $121,173,759 | |
| 5 | WLK |
Westlake Corp
|
715,586 | $83,594,756 | |
| 6 | RPM |
Rpm International Inc/De/
|
839,494 | $83,445,703 | |
| 7 | IFF |
International Flavors & Fragrances Inc
|
1,102,513 | $79,987,318 | |
| 8 | LIN |
Linde PLC
|
129,535 | $64,218,271 |
All Filings in IOSP
Export CSV
42 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $16,128,876 | 220,883 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $5,563,998 | 72,694 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $6,434,295 | 83,389 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $7,952,895 | 94,576 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $18,950 | 200 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $7,119,893 | 75,144 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $104,225 | 1,100 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $2,798,055 | 25,423 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $11,006 | 100 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $2,428,041 | 21,470 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $135,708 | 1,200 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $22,618 | 200 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $2,710,328 | 21,930 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $12,894 | 100 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $12,894 | 100 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $954,929 | 7,406 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $73,944 | 600 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $160,212 | 1,300 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $30,660 | 300 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $204,911 | 2,005 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $81,760 | 800 | Put | Defined | 2023-11-14 | |
| 2023-03-31 | $344,047 | 3,351 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $10,267 | 100 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $92,574 | 900 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $2,872,468 | 27,926 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $296,161 | 3,457 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $670,530 | 7,000 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $1,185,592 | 12,377 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $268,212 | 2,800 | Call | Defined | 2022-08-15 | |
| 2022-03-31 | $1,069,322 | 11,554 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $530,204 | 5,869 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $3,672,833 | 43,610 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $380,562 | 4,200 | Call | Defined | 2021-08-16 | |
| 2021-06-30 | $1,723,220 | 19,018 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $493,014 | 4,801 | Shares | Defined | 2021-05-21 | |
| 2020-12-31 | $1,543,498 | 17,012 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $2,512,156 | 39,674 | Shares | Defined | 2020-11-16 | |
| 2020-09-30 | $626,868 | 9,900 | Put | Defined | 2020-11-16 | |
| 2020-06-30 | $641,175 | 8,300 | Call | Defined | 2020-08-14 | |
| 2020-06-30 | $3,657,632 | 47,348 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $1,287,580 | 18,529 | Shares | Defined | 2020-05-15 | |
| 2020-03-31 | $319,654 | 4,600 | Call | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||