CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
PensionPosition in IOSP — Innospec Inc.
CIK 1081019
WEST SACRAMENTO, CA
Position in IOSP
as of Mar 31, 2026
· filed May 18, 2026
Position Value
$2,010,167
+$188,515 QoQ
Shares Held
27,529
+15.7% QoQ
Ownership
0.112%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 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, 2026CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $937,098,459 across 42 Specialty Chemicals names. IOSP ranks #31 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LIN |
Linde PLC
|
541,846 | $268,625,572 | |
| 2 | ECL |
Ecolab Inc.
|
492,286 | $130,957,921 | |
| 3 | SHW |
Sherwin Williams Co
|
393,809 | $126,235,474 | |
| 4 | APD |
Air Products & Chemicals, Inc.
|
258,781 | $75,173,292 | |
| 5 | DD |
DuPont de Nemours, Inc.
|
504,651 | $69,339,047 | |
| 6 | PPG |
Ppg Industries Inc
|
472,931 | $50,546,865 | |
| 7 | RPM |
Rpm International Inc/De/
|
392,315 | $38,996,111 | |
| 8 | ALB |
Albemarle Corp
|
136,123 | $24,438,162 |
All Filings in IOSP
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,010,167 | 27,529 | Shares | Sole | 2026-05-18 | |
| 2025-12-31 | $1,821,652 | 23,800 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $1,779,541 | 23,063 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $1,939,283 | 23,062 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $2,168,164 | 22,883 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $2,566,819 | 23,322 | Shares | Sole | 2025-03-18 | |
| 2024-09-30 | $2,667,340 | 23,586 | Shares | Sole | 2025-04-04 | |
| 2024-06-30 | $2,999,405 | 24,269 | Shares | Sole | 2025-04-08 | |
| 2024-03-31 | $3,207,124 | 24,873 | Shares | Sole | 2024-05-16 | |
| 2023-12-31 | $3,245,402 | 26,334 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $2,809,682 | 27,492 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $3,038,812 | 30,255 | Shares | Sole | 2023-08-21 | |
| 2023-03-31 | $3,179,587 | 30,969 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $3,235,564 | 31,456 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $2,667,078 | 31,132 | Shares | Sole | 2022-11-21 | |
| 2022-06-30 | $3,044,110 | 31,779 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $2,907,180 | 31,412 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $3,091,434 | 34,220 | Shares | Sole | 2022-02-15 | |
| 2021-09-30 | $2,815,137 | 33,426 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $3,062,799 | 33,802 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $3,795,833 | 36,964 | Shares | Sole | 2021-05-18 | |
| 2020-12-31 | $3,352,382 | 36,949 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $2,339,610 | 36,949 | Shares | Sole | 2020-11-17 | |
| 2020-06-30 | $2,854,310 | 36,949 | Shares | Sole | 2020-08-17 | |
| 2020-03-31 | $2,567,586 | 36,949 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||