Position in IOSP
as of Mar 31, 2026
· filed May 7, 2026
Position Value
$90,697,336
+$753,500 QoQ
Shares Held
1,242,089
+5.7% QoQ
Ownership
5.04%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 93.43807086287697.ToString("F0")%
Shared 4.491868135053124.ToString("F0")%
None 2.0700610020698997.ToString("F0")%
Common Shares in IOSP Over Time
Shares Held
Position Value (USD)
Position in Specialty Chemicals
Basic Materials · as of Mar 31, 2026DIMENSIONAL FUND ADVISORS LP holds $7,060,889,608 across 47 Specialty Chemicals names. IOSP ranks #25 (1.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LIN |
Linde PLC
|
2,740,541 | $1,358,650,603 | |
| 2 | DD |
DuPont de Nemours, Inc.
|
3,509,831 | $482,250,777 | |
| 3 | APD |
Air Products & Chemicals, Inc.
|
1,609,936 | $467,670,305 | |
| 4 | SHW |
Sherwin Williams Co
|
1,417,166 | $454,272,558 | |
| 5 | EMN |
Eastman Chemical Co
|
4,936,789 | $376,775,734 | |
| 6 | PPG |
Ppg Industries Inc
|
2,925,343 | $312,660,658 | |
| 7 | ESI |
Element Solutions Inc
|
8,475,192 | $289,343,052 | |
| 8 | ECL |
Ecolab Inc.
|
982,363 | $261,328,202 |
All Filings in IOSP
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $106,217,042 | 1,305,038 | Shares | Sole | 2026-07-14 | |
| 2026-03-31 | $90,697,336 | 1,242,089 | Shares | Sole | 2026-05-07 | |
| 2025-12-31 | $89,943,836 | 1,175,122 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $90,043,789 | 1,166,975 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $98,294,901 | 1,168,925 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $109,722,110 | 1,158,017 | Shares | Sole | 2025-05-13 | |
| 2024-12-31 | $127,513,642 | 1,158,583 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $133,158,835 | 1,177,459 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $146,828,008 | 1,188,025 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $154,594,416 | 1,198,964 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $149,801,299 | 1,215,525 | Shares | Sole | 2024-02-07 | |
| 2023-09-30 | $124,896,064 | 1,222,075 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $123,195,684 | 1,226,560 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $124,966,020 | 1,217,162 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $123,195,419 | 1,197,700 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $102,565,150 | 1,197,212 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $114,088,858 | 1,191,031 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $108,189,654 | 1,168,986 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $104,527,264 | 1,157,043 | Shares | Defined | 2022-02-09 | |
| 2021-09-30 | $98,179,212 | 1,165,747 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $106,488,858 | 1,175,244 | Shares | Defined | 2021-08-12 | |
| 2021-03-31 | $122,020,057 | 1,188,237 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $112,298,879 | 1,237,726 | Shares | Defined | 2021-03-08 | |
| 2020-09-30 | $84,090,732 | 1,328,028 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $107,215,815 | 1,387,907 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $96,413,900 | 1,387,450 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||