Position in IOSP
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$2,838,557
+$1,487,907 QoQ
Shares Held
34,876
+88.5% QoQ
Ownership
0.142%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#71
of 282 holders
Holding Since
Mar 2020
9 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, 2026ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $2,728,652,453 across 33 Specialty Chemicals names. IOSP ranks #24 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LIN |
Linde PLC
|
1,844,738 | $957,308,337 | |
| 2 | ECL |
Ecolab Inc.
|
2,293,546 | $639,004,851 | |
| 3 | SHW |
Sherwin Williams Co
|
1,563,851 | $538,465,176 | |
| 4 | SOLS |
Solstice Advanced Materials Inc.
|
1,162,932 | $103,035,775 | |
| 5 | EMN |
Eastman Chemical Co
|
1,134,344 | $75,978,361 | |
| 6 | ECVT |
Ecovyst Inc.
|
5,132,947 | $63,905,190 | |
| 7 | AXTA |
Axalta Coating Systems Ltd.
|
1,361,714 | $46,597,853 | |
| 8 | PRM |
Perimeter Solutions, Inc.
|
1,238,374 | $44,148,033 |
All Filings in IOSP
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $2,838,557 | 34,876 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $1,350,650 | 18,497 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $477,456 | 6,238 | Shares | Defined | 2026-02-13 | |
| 2022-12-31 | $289,962 | 2,819 | Shares | Defined | 2023-02-14 | |
| 2021-03-31 | $2,701,260 | 26,305 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $5,641,954 | 62,184 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $9,825,997 | 155,180 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $7,271,697 | 94,132 | Shares | Defined | 2020-08-12 | |
| 2020-03-31 | $3,567,616 | 51,340 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||