Position in IOSP
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$4,033,186
-$124,160 QoQ
Shares Held
55,234
+1.7% QoQ
Ownership
0.224%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
20 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, 2026AMERICAN CENTURY COMPANIES INC holds $1,949,091,916 across 45 Specialty Chemicals names. IOSP ranks #35 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ECL |
Ecolab Inc.
|
1,182,558 | $314,584,079 | |
| 2 | LIN |
Linde PLC
|
517,253 | $256,433,347 | |
| 3 | CBT |
Cabot Corp
|
2,237,491 | $168,505,447 | |
| 4 | PPG |
Ppg Industries Inc
|
1,432,320 | $153,086,361 | |
| 5 | NEU |
Newmarket Corp
|
168,644 | $108,092,371 | |
| 6 | NGVT |
Ingevity Corp
|
1,432,566 | $102,041,676 | |
| 7 | SHW |
Sherwin Williams Co
|
312,732 | $100,246,242 | |
| 8 | ESI |
Element Solutions Inc
|
2,891,000 | $98,698,740 |
All Filings in IOSP
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,033,186 | 55,234 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $4,157,346 | 54,316 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $4,838,086 | 62,702 | Shares | Defined | 2025-11-12 | |
| 2025-06-30 | $4,697,351 | 55,861 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $4,504,888 | 47,545 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $4,098,194 | 37,236 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $2,844,439 | 25,152 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $1,235,776 | 9,999 | Shares | Defined | 2024-08-07 | |
| 2024-03-31 | $2,921,522 | 22,658 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $2,648,920 | 21,494 | Shares | Defined | 2024-02-13 | |
| 2023-06-30 | $1,507,303 | 15,007 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $816,739 | 7,955 | Shares | Defined | 2023-05-11 | |
| 2022-12-31 | $688,956 | 6,698 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $638,498 | 7,453 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $703,098 | 7,340 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $549,191 | 5,934 | Shares | Defined | 2022-05-11 | |
| 2021-12-31 | $445,556 | 4,932 | Shares | Defined | 2022-02-07 | |
| 2021-09-30 | $338,311 | 4,017 | Shares | Defined | 2021-11-10 | |
| 2021-06-30 | $309,523 | 3,416 | Shares | Defined | 2021-08-05 | |
| 2021-03-31 | $269,972 | 2,629 | Shares | Defined | 2021-05-14 | |
| No filing history on record for this holder in this stock. | ||||||